A strong CVT additive should explicitly list CVT compatibility and match the transmission’s fluid requirements; Lubegard 67010 CVT Recharge & Protect is the clearest fit here for drivers seeking a product specified for all CVT transmissions. This roundup compares seven treatments, from CVT-focused conditioners to broader automatic-transmission formulas and a flush-and-conditioner kit. The listings describe different intended uses and formats, so a larger bottle or broader compatibility claim does not automatically make a product the right choice.
Check your owner’s manual and the additive label before use, particularly where the transmission maker restricts additives or requires a particular fluid. Use the comparisons below to narrow the options by compatibility, listed size, and whether you want a standalone treatment or a multi-step kit.
Lubegard 67010 CVT Recharge & Protect is the leading choice because its listing explicitly says it is for use in all CVT transmissions and describes protection for belts or chains, pulleys, and seals. It comes in a 10 fl. oz.
bottle and is presented as a CVT-specific additive, rather than a general automatic-transmission treatment. Confirm that its label and your vehicle’s service guidance allow its use before adding it; CVT fluid requirements can vary by vehicle.
Our Top Picks
Best OverallIts listing explicitly covers all CVT transmissions and describes belt or chain, pulley, and seal protection in a 10 fl. oz. bottle.
View on Amazon
CVT and DCT FormulaThe listing specifically names belt- and chain-type CVTs as well as DCT and DSG applications, and says it can treat new or used fluid.
View on Amazon
Mid-Size BottleHot Shot's Secret Shift Restore 16 oz
This 16 oz formula is listed for automatic and CVT transmissions and describes reduced operating temperatures and friction.
View on Amazon- Multi-Type Compatibility XADO EX120 Transmission Fix
- Largest Listed Bottle Hot Shot's Secret Shift Restore 32 oz
Compare CVT Additives and Transmission Treatments
| # | Product | Weight | Container Type | Form | Buy |
|---|---|---|---|---|---|
| 1 | 1. Lubegard 67010 CVT RechargeBest Overall | 10 oz | Bottle | Liquid | View on Amazon |
| 2 | 2. BG CVT PlusCVT and DCT Formula | 15.8 oz | — | — | View on Amazon |
| 3 | 3. Hot Shot's Secret Shift Restore 16 ozMid-Size Bottle | 16 oz | Bottle | Liquid | View on Amazon |
| 4 |  4. XADO EX120 Transmission FixMulti-Type Compatibility | 10 g | Syringe | Liquid | View on Amazon |
| 5 |  5. Bar's Leaks Transmission FixFor leaks and rough shifting | 11.5 oz | Bottle | Liquid | View on Amazon |
| 6 |  6. Hot Shot's Secret Shift Restore 32 ozLargest Listed Bottle | — | Bottle | Liquid | View on Amazon |
| 7 |  7. MotorPower Care Flush KitFor flush-and-conditioner upkeep | — | Bottle | Liquid | View on Amazon |
Detailed Reviews: Best Cvt Transmission Additive
#1 · Best Overall
1. Lubegard 67010 CVT Recharge
- Weight: 10 oz
- Container Type: Bottle
- Form: Liquid
Best for: For CVT fluid wear concerns.
Why it ranks #1: Its listing explicitly covers all CVT transmissions and describes belt or chain, pulley, and seal protection in a 10 fl. oz. bottle.
Foaming reduction is a defining feature of Lubegard 67010: it helps maintain fluid pressure and flow while the additive also targets degraded-fluid problems. Its CVT-specific formulation combines that focus with belt traction support, noise reduction, and protection for belts, chains, pulleys, and seals.
For drivers addressing worn or degraded CVT fluid, the product pairs foaming reduction with belt-traction maintenance. The first supports proper fluid pressure and flow; the second targets traction at the belt, while protection for belts, chains, and pulleys addresses component wear. Its seal lubrication claim is explicitly paired with avoiding shrinkage or swelling. The liquid comes in a bottle, and the stated application covers all CVT transmissions.
- For use in all CVT transmissions
- Targets problems caused by worn-out, degraded fluid
- Reduces foaming to maintain fluid pressure and flow
- Lubricates and protects seals without shrinking or swelling them
- Its stated application is CVT transmissions, not a range of gearbox types.
Skip it if you need one additive listed for CVT, DCT, and DSG systems; BG CVT Plus names all three transmission types.
Choose Lubegard 67010 if your priority is CVT fluid condition, belt traction, and seal protection. Its stated fit is all CVT transmissions, so buyers seeking a multi-type gearbox additive should consider that boundary.
Full product details
| Brand | Lubegard |
|---|---|
| Compatible Material | Cvt Transmission Components |
| Container Type | Bottle |
| Included Components | Lubegard 67010 CVT Recharge & Protect, 10 fl. oz. |
| Item Form | Liquid |
| Item Weight | 10 ounces |
| Manufacturer | Lubegard |
| Material | Plastic |
| Model Number | 67010 |
| Recommended Uses | Automotive |
| Warranty Description | Standard return policy applies |
| Additional Information | Important information Ingredients Mixture |
Listed on Amazon as: Lubegard 67010 CVT Recharge & Protect, 10 fl. oz.
View on Amazon#2 · CVT and DCT Formula
2. BG CVT Plus
- Weight: 15.8 oz
Best for: For CVT, DCT, and DSG fluid.
Why it ranks #2: The listing specifically names belt- and chain-type CVTs as well as DCT and DSG applications, and says it can treat new or used fluid.
BG CVT Plus explicitly covers belt- and chain-type CVTs as well as wet DCT and DSG transmissions, making its compatibility range the central draw. The conditioner is described as enhancing new or used fluid, with oxidation stability and deposit prevention aimed at supporting fluid performance over time.
By naming belt- and chain-type CVTs, plus wet DCT and DSG systems, the listing gives buyers specific transmission coverage to evaluate. Its fluid-life claim applies to both new and used fluid, while improved oxidation stability addresses fluid breakdown. Deposit prevention provides another maintenance angle: the listing connects deposits with shifting problems and wear. This is a conditioner added to transmission fluid, and the product facts identify it as BG CVT Plus, PN 303.
- Names belt- and chain-type CVTs
- Also lists wet DCT and DSG compatibility
- Enhances properties of new and used fluid
- Targets oxidation stability and deposit formation
- Its stated transmission coverage does not list standard automatic transmissions.
Skip it if you need an additive explicitly listed for standard automatic transmissions; Bar's Leaks Transmission Fix names automatic, manual, CVT, and DCT use.
BG CVT Plus fits buyers maintaining belt- or chain-type CVTs, wet DCTs, or DSGs who want fluid-life and deposit-control claims. Its listed scope is specific to those transmission types, so check that against your application.
Full product details
| Brand | Smilyeez |
|---|---|
| Item Weight | 15.8 ounces |
| Manufacturer | BG Products |
| Part Number | 303 |
| Package Dimensions | 5.71 x 3.31 x 3.31 inches |
Listed on Amazon as: Smilyeez Listing for BG CVT Plus CVT and DCT Fluid Conditioner PN 303 – Transmission Fluid Additive for CVT, DCT & DSG Transmissions Screwdriver Bundle (1 11 fl oz can)
View on Amazon#3 · Mid-Size Bottle
3. Hot Shot's Secret Shift Restore 16 oz
- Weight: 16 oz
- Container Type: Bottle
- Form: Liquid
Best for: For smoother automatic shifts.
Why it ranks #3: This 16 oz formula is listed for automatic and CVT transmissions and describes reduced operating temperatures and friction.
Shift Restore combines friction reduction with reduced metal-to-metal contact, giving automatic and CVT transmission owners a treatment aimed at smoother gear changes. Hot Shot's Secret also says the formula reduces operating temperatures, pairing its shift-smoothing focus with a heat-related benefit in a 16 oz bottle.
The friction-reduction claim connects to minimizing metal-to-metal contact, which the product says smooths gear changes. Its temperature-reduction claim adds a second operating focus for automatic and CVT transmissions. Together, these features suit drivers prioritizing shift feel and reduced operating heat in a transmission additive. The 16 oz bottle provides the listed liquid format; the supplied application covers automatic and CVT transmissions, rather than naming other gearbox types.
- For automatic and CVT transmissions
- Reduces the coefficient of friction
- Minimizes metal-to-metal contact
- Claims to reduce operating temperatures and smooth gear changes
- Its listed compatibility names automatic and CVT transmissions, not other gearbox types.
Skip it if you need a treatment listing DCT and DSG compatibility as well; BG CVT Plus specifically names both alongside CVT.
Choose this 16 oz Shift Restore for an automatic or CVT application where friction reduction, smoother gear changes, and lower operating temperatures matter. Its stated transmission coverage is the key fit consideration for buyers with other gearbox types.
Full product details
| Brand | Hot Shot's Secret |
|---|---|
| Container Type | Bottle |
| Included Components | Bottle |
| Item Form | Liquid |
| Item Weight | 16 ounces |
| Manufacturer | Lubrication Specialties, Inc. |
| Material | Liquid |
| Model Number | HSSTSE16Z |
| Recommended Uses | Vehicle |
| Warranty Description | 100% Money-Back Guarantee |
Listed on Amazon as: Hot Shot's Secret Shift Restore Transmission Additive, 16 oz
View on Amazon#4 · Multi-Type Compatibility
4. XADO EX120 Transmission Fix
- Weight: 10 g
- Container Type: Syringe
- Form: Liquid
Best for: For multi-type gearbox treatment.
Why it ranks #4: The 10 g syringe is listed for CVT, automatic, Tiptronic, Manumatic, and semi-automatic transmissions, making it a compact multi-type treatment.
XADO EX120 names CVT alongside automatic, Tiptronic, Manumatic, and semi-automatic transmissions, giving buyers with varied gearbox types a broadly listed treatment. Its anti-friction modifier pairs surface-defect protection with claims of reducing shudder, noise, vibration, and slipping for transmission-focused upkeep.
The product's stated compatibility spans several transmission types, including CVT, which gives it a wider listed application than a CVT-only treatment. XADO also says its modifier eliminates surface defects and protects against extreme heat, linking its anti-friction role to component protection. The syringe holds liquid treatment, while the supplied facts describe a durable protective coating intended to guard against future wear and state protection for 60,000 miles.
- Listed for automatic, CVT, Tiptronic, Manumatic, and semi-automatic transmissions
- Anti-friction modifier
- Claims to reduce shudder, noise, and vibration
- Protective coating is stated to guard against future wear for 60,000 miles
- The listed 10 g quantity is small compared with bottle-format treatments.
Skip it if you want a larger bottle-format treatment; Hot Shot's Secret Shift Restore is listed in a 32 oz bottle.
XADO EX120 suits buyers seeking one listed treatment across several gearbox types, including CVT, and who value its anti-friction and wear-protection claims. Its supplied format is a 10 g syringe, a factor for handling and application.
Full product details
| Brand | XADO |
|---|---|
| Compatible Material | Transmission Fluid |
| Container Type | Syringe |
| Item Form | Liquid |
| Item Weight | 10 g |
| Manufacturer | XADO Chemical Group |
| Material | Ceramic |
| Model Number | XA 12031 |
| Additional Information | Important information |
Listed on Amazon as: XADO EX120 Automatic Transmission Fix – Treatment for CVT & Other Gearbox Types | ATF Additive & Protectant – Reduces Sticking, Shudder and Slipping
View on Amazon#5
5. Bar's Leaks Transmission Fix
- Weight: 11.5 oz
- Container Type: Bottle
- Form: Liquid
Best for: For leaks and rough shifting.
Why it ranks #5: Its synthetic-blend treatment is described as compatible with CVT and other transmission types, but the listing covers a broader range than CVTs.
Seal conditioning is central to Bar's Leaks Transmission Fix: it aims to stop current leaks and prevent future ones by protecting and reconditioning seals. The synthetic-blend treatment also targets slipping, jerking, and hard shifting, with a stated formulation for automatic, manual, CVT, and DCT transmissions.
Seal reconditioning gives this treatment a specific role for buyers concerned about fluid leaks, while its extreme-pressure and anti-wear agents target friction and shifting symptoms. The product also says it renews worn bands and controls fluid degradation caused by high temperatures, linking shift feel to fluid and component upkeep. Its global domestic/import formulation is listed for automatic, manual, CVT, and DCT transmissions, supporting use across those types.
- Protects and reconditions seals to address current and future leaks
- Targets slipping, jerking, hard shifting, and shudder
- Renews worn bands and controls high-temperature fluid degradation
- Listed for automatic, manual, CVT, and DCT transmissions
- The California Proposition 65 warning identifies lead exposure and associated health risks.
Skip it if you want a CVT-focused additive without a listed Proposition 65 lead warning; Lubegard 67010 is specifically for CVT transmissions.
Bar's Leaks suits owners seeking a broad transmission treatment that targets leaks, shifting symptoms, and worn bands, including in CVTs. Its listed Proposition 65 warning is a relevant consideration before choosing this synthetic-blend product.
Full product details
| Brand | Bar's Leaks |
|---|---|
| Container Type | Bottle |
| Included Components | (1) Bar's Leaks Transmission Fix (1415) |
| Item Form | Liquid |
| Item Weight | 11.5 ounces |
| Manufacturer | Bar's Products |
| Model Number | 1415 |
| Recommended Uses | Fleet and plant maintenance. |
| Warranty Description | See manufacturer |
Listed on Amazon as: Bar's Leaks 1415 Transmission Fix, 11.5oz, Pack of 1
View on Amazon#6 · Largest Listed Bottle
6. Hot Shot's Secret Shift Restore 32 oz
- Container Type: Bottle
- Form: Liquid
Best for: For varnish-focused treatment.
Why it ranks #6: The 32 oz bottle offers the largest listed size among these options, and its formula is described for automatic and CVT transmissions.
A high-performance ester formula is the core of the 32 oz Shift Restore, which says it dissolves gum and varnish on precision transmission components. The formula also targets lower operating temperatures and friction, positioning this larger listed bottle around cleaning and lubrication functions in transmission care.
The gum-and-varnish claim gives the product a cleaning-oriented role, while the ester formula is also described as reducing operating temperatures. Its lubricant function is tied to hydraulic, lubricating, and heat-transfer roles, connecting the treatment to several transmission-fluid functions. The listing additionally says it reduces the coefficient of friction. At 32 oz, this bottle is the larger of the two supplied Shift Restore sizes, suitable for buyers selecting that listed volume.
- Claims to dissolve gum and varnish on precision transmission components
- High-performance ester formula
- Claims to reduce operating temperatures
- Acts as hydraulic, lubricating, and heat-transfer fluid
- The supplied listing does not name specific transmission types for compatibility.
Skip it if you need explicitly stated CVT compatibility; Hot Shot's Secret 16 oz Shift Restore listing names CVT transmissions.
This 32 oz Shift Restore suits buyers seeking the listed gum-and-varnish, friction, and temperature benefits in a larger bottle. Its supplied facts do not identify specific transmission types, so that compatibility detail is an important boundary.
Full product details
| Brand | Hot Shot's Secret |
|---|---|
| Compatible Material | Metal |
| Container Type | Bottle |
| Included Components | 1 QT BOTTLE |
| Item Form | Liquid |
| Manufacturer | Lubrication Specialties, Inc. |
| Material | Metal |
| Model Number | HSSTSE32Z |
| Recommended Uses | Automotive |
| Warranty Description | 100% Money Back Guarantee |
Listed on Amazon as: Hot Shot's Secret Shift Restore Transmission Additive, 32 oz
View on Amazon#7
7. MotorPower Care Flush Kit
- Container Type: Bottle
- Form: Liquid
Best for: For flush-and-conditioner upkeep.
Why it ranks #7: This pack of two combines a flush and conditioner and lists CVT compatibility, but its broad automatic-transmission focus is less CVT-specific.
MotorPower Care combines a transmission flush with a fluid conditioner, giving buyers a two-part treatment approach rather than a conditioner alone. The flush is described as cleaning the system and solenoids, while the conditioner lubricates and protects; the listing names automatic transmissions and CVT among its applications.
The flush-and-conditioner combination connects cleaning with ongoing fluid treatment: the flush cleans the system and solenoids, while the conditioner supplies lubrication and protection. The listing also links the kit to stopping slip and improving shifting performance. Its compatibility is described as wide, covering most automatic transmission types such as CVT. Buyers should account for a workflow that includes both flushing and conditioning rather than treating this as a single-function additive.
- Combines a transmission flush and fluid conditioner
- Flush is described as cleaning the system and solenoids
- Conditioner lubricates and protects the transmission
- Listed for most automatic transmission types, including CVT
- The kit combines flushing and conditioning rather than offering only a conditioner.
Skip it if you want a single CVT fluid conditioner without a flush step; Lubegard 67010 is listed as a CVT additive.
MotorPower Care suits buyers looking for a combined flush-and-conditioner approach for an automatic transmission or CVT, especially when cleaning solenoids is part of the goal. Its two-function workflow is the main fit consideration.
Full product details
| Brand | MotorPower Care |
|---|---|
| Container Type | Bottle |
| Item Form | Liquid |
| Manufacturer | MotorPower Care |
| Model Number | T400-2 |
| Recommended Uses | Automotive |
| Warranty Description | 2 years shelve warranty |
Listed on Amazon as: MotorPower Care Transmission Flush & Fluid Conditioner for Automatic Transmission, CVT, and Automatic Transmission (Pack of 2)
View on AmazonWhy an additive may not fix a CVT problem
An additive is not a substitute for diagnosing a CVT fault or correcting the wrong fluid. The products here describe aims such as reducing shudder, noise, friction, or slipping, but the supplied listings do not establish that any treatment repairs worn hardware or resolves a specific transmission fault. A change in symptoms after adding a product would not identify the underlying cause.
If the vehicle has a warning light, severe slipping, overheating, or a sudden change in operation, seek diagnosis before trying an additive. Another practical risk is adding a treatment to fluid that is already at the wrong level or is incompatible with the vehicle’s specification.
These products also vary in purpose: MotorPower Care Flush Kit combines a flush with a conditioner, while Lubegard 67010 CVT Recharge is a standalone CVT-focused product. Follow the vehicle maker’s service instructions and the product label, rather than combining treatments or assuming that a flush is suitable for every CVT.
CVT compatibility is not one-size-fits-all
A label that says CVT-compatible does not by itself confirm that an additive suits every vehicle’s required fluid. The listings describe broad compatibility in different ways: Lubegard 67010 CVT Recharge says it is for all CVT transmissions, BG CVT Plus names belt- and chain-type CVTs, and Bar’s Leaks Transmission Fix claims compatibility across CVT and several other transmission types. Those descriptions still do not identify every vehicle-specific fluid specification or manufacturer restriction.
Check your owner’s manual and the exact product instructions before use; do not infer compatibility from bottle size, a general automatic-transmission claim, or a seller’s product title. Also distinguish a treatment from a service product: MotorPower Care Flush Kit includes a flush and conditioner, which makes it a different choice from a single additive.
This compatibility check matters most when the transmission maker specifies a particular fluid or warns against supplemental products.
How to Choose a CVT Transmission Additive
CVT-specific compatibility
Look first for explicit CVT compatibility and compare it with your vehicle’s required fluid and service guidance. Lubegard 67010 CVT Recharge says it is for all CVT transmissions; BG CVT Plus names belt- and chain-type CVTs, alongside DCT and DSG. XADO EX120 and Bar’s Leaks Transmission Fix list CVT among several transmission types, while both Hot Shot’s Secret Shift Restore listings describe use in automatic and CVT transmissions.
MotorPower Care Flush Kit also lists CVT compatibility but has a broader automatic-transmission focus. These descriptions are not a substitute for checking your vehicle’s specification.
A buyer seeking a clearly CVT-focused treatment may favour Lubegard or BG; someone comparing a multi-type product may consider the broader listings only after confirming fit.
Treatment format and included process
Choose between a standalone liquid treatment and a product that adds a flush step. Most options are liquids in bottles, while XADO EX120 comes in a syringe; MotorPower Care Flush Kit is a pack of two that combines a flush and conditioner. BG CVT Plus is listed as one 11 fl oz can, and Lubegard 67010 CVT Recharge as a 10 fl.
oz. bottle.
A standalone treatment suits a buyer who wants a single additive, provided the vehicle instructions permit one. The MotorPower Care kit may suit someone specifically looking for a flush-and-conditioner process, but that is not the same as choosing a CVT-specific additive alone. Check the label for application instructions and whether the product requires a particular service procedure.
Listed quantity and application needs
Compare the listed quantity only after confirming compatibility and the directions for your transmission. The supplied sizes range from XADO EX120 at 10 g to Hot Shot’s Secret Shift Restore at 16 oz and 32 oz; Lubegard’s bottle is 10 fl. oz., and BG CVT Plus is listed as an 11 fl oz can.
Bar’s Leaks Transmission Fix is 11.5 oz, while the MotorPower Care listing specifies a pack of two without a per-bottle volume. These quantities are not directly equivalent: one is given in grams, and the kit’s bottle size is not stated.
A buyer wanting a clearly stated larger volume can compare the two Hot Shot’s Secret sizes, while someone prioritizing a small, measured format may prefer the XADO syringe. Always use the product’s stated dose rather than estimating from container size.
Which CVT additive should you choose?
For a clearly CVT-focused bottle, choose Lubegard 67010 CVT Recharge: its listing explicitly covers all CVT transmissions and identifies belt or chain, pulley, and seal protection. If you want a formula that also names DCT and DSG applications, BG CVT Plus lists belt- and chain-type CVTs and use with new or used fluid. For a broader automatic-and-CVT treatment in a 16 oz bottle, consider Hot Shot’s Secret Shift Restore 16 oz; its 32 oz version suits buyers comparing a larger listed bottle.
XADO EX120 is a compact 10 g syringe with several transmission types listed. Bar’s Leaks Transmission Fix is another broad-compatibility option, while MotorPower Care Flush Kit is the choice here for a combined flush-and-conditioner format.
Verify vehicle-specific fluid requirements before using any additive.
Related Buying Guides
Frequently Asked Questions
Can a CVT transmission additive fix slipping or shuddering, or does the transmission need repair?
An additive should not be treated as a repair for slipping or shuddering. These symptoms can have different causes, and a persistent or worsening problem calls for diagnosis by a qualified technician. Before adding anything, check the vehicle’s service guidance and fluid requirements; do not use an additive as a substitute for needed inspection or repair.
How can I tell whether an additive is compatible with my vehicle’s specific CVT fluid?
Compare the additive’s label and product listing with the vehicle manufacturer’s service guidance for your exact CVT and fluid. Check that the product explicitly covers the transmission type and that your vehicle’s instructions allow additives. If compatibility is unclear or the guidance conflicts, ask a qualified service professional before adding it.
Can using an additive affect a CVT warranty or scheduled fluid service?
It can depend on your vehicle’s warranty terms and maintenance instructions, so check both before using an additive. Follow the scheduled fluid service requirements; an additive does not replace a fluid change or other required maintenance. If the documents do not clearly permit the product, confirm with the vehicle manufacturer or an authorized service provider.
When should I choose a CVT-specific additive over a broader transmission treatment?
Choose a CVT-specific product when its listing explicitly identifies CVT use and its label agrees with your vehicle’s fluid guidance. Broader treatments may list automatic and CVT applications, but that alone does not confirm compatibility with a particular vehicle. Compare the stated applications, then verify them against your service instructions before use.
What distinguishes a flush-and-conditioner kit from a standalone additive?
The MotorPower Care listing describes a combined transmission flush and fluid conditioner, while the other listed options are presented as treatments or additives. That difference makes it relevant if you are considering both steps, but the product title alone does not establish a vehicle-specific procedure. Check the instructions and your service guidance before using it.
Final Words
For a clearly CVT-focused option, Lubegard 67010 is the leading choice in this roundup: its listing covers all CVT transmissions and identifies belt or chain, pulley, and seal protection. BG CVT Plus is an alternative when DCT and DSG applications also matter. Broader treatments and the flush kit have different listed use cases.
In every case, confirm the label and vehicle-specific fluid guidance before adding a product.
