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Transmission Additives

Vehicle
Tire Size
https://static.pepboys.com/images/productImages/32805100/m/20601_NL_Transmission_16oz_316.jpg
NO LEAK 16oz NO LEAK Transmission Treatment
$6.99 Sale
Price
$3.90
$2.92
With Promotion
Save 25% on Select Parts & Accessories
Part #: 20601
  |   SKU : 8994314
  • Stops and prevents transmission leaks
  • Stops hard shifting and repairs seals
See all 3 reviews
Not Available
Available today
Pay in Store Available
  • Stops and prevents transmission leaks
  • Stops hard shifting and repairs seals
Save 25% on Select Parts & Accessories
. .
Quantity

The quantity shown is what is currently available for your selected store. If your desired quantity is unavailable, contact your store for more help, or select another nearby Pep Boys location. Close [x]
Sale Price $6.99 $3.90

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Subtotal Subtotal: $2.92
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Bar's Leaks Transmission Stop Leaks Play Play
Play Play $5.39 $4.04
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Part #: 1420
  |   SKU : 555324
  • Designed for use with all domestic and import, automatic and manual transmission fluids
  • Formulated to stop transmission leaks and prevent new ones
See all 2 reviews
Available
Available today
Pay in Store Available
  • Designed for use with all domestic and import, automatic and manual transmission fluids
  • Formulated to stop transmission leaks and prevent new ones
Save 25% on Select Parts & Accessories
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Quantity

The quantity shown is what is currently available for your selected store. If your desired quantity is unavailable, contact your store for more help, or select another nearby Pep Boys location. Close [x]
Retail $5.39

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Subtotal Subtotal: $4.04
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MOTOR MEDIC TransMedic Shift Improver & Protectant
$6.49 $4.87
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Part #: M3616
  |   SKU : 8985701
  • Non-synthetic
  • Helps eliminate slippage
See all 2 reviews
Available
Available today
Pay in Store Available
  • Non-synthetic
  • Helps eliminate slippage
Save 25% on Select Parts & Accessories
. .
Quantity

The quantity shown is what is currently available for your selected store. If your desired quantity is unavailable, contact your store for more help, or select another nearby Pep Boys location. Close [x]
Retail $6.49

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Subtotal Subtotal: $4.87
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K&W Trans-X Automatic Transmission Slip-Stop & Leak Fix, 15 Ounces Play
Play $7.99 $5.99
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Part #: 402015X6
  |   SKU : 1099986
  • PROP65_3
  • Safe for all fluid types
Write the first review
Available
Available today
Pay in Store Available
  • PROP65_3
  • Safe for all fluid types
Save 25% on Select Parts & Accessories
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Quantity

The quantity shown is what is currently available for your selected store. If your desired quantity is unavailable, contact your store for more help, or select another nearby Pep Boys location. Close [x]
Retail $7.99

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Subtotal Subtotal: $5.99
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MOTOR MEDIC TransMedic SyntheticTransmission Treatment
$8.99 $6.74
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Part #: M1410TS
  |   SKU : 9273654
  • Automatic transmission treatment
  • Shift improver
See all 194 reviews
Available
Available today
Pay in Store Available
  • Automatic transmission treatment
  • Shift improver
Save 25% on Select Parts & Accessories
. .
Quantity

The quantity shown is what is currently available for your selected store. If your desired quantity is unavailable, contact your store for more help, or select another nearby Pep Boys location. Close [x]
Retail $8.99

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Subtotal Subtotal: $6.74
https://static.pepboys.com/images/productImages/63859100/m/SK_41806015 HM ATF ctn_15oz_z9.jpg
Slick 50 High Mileage Transmission Treatment
$15.99 Sale
Price
$9.90
$7.43
With Promotion
Save 25% on Select Parts & Accessories
Part #: 41806015
  |   SKU : 9113015
  • Keeps seals and gaskets soft and pliable to prevent transmission leaks
  • Helps eliminate the vibrations that are transmitted to the driveline from the faulty clutch-torque relationship
See all 101 reviews
Available
Available today after 1 p.m.
  • Keeps seals and gaskets soft and pliable to prevent transmission leaks
  • Helps eliminate the vibrations that are transmitted to the driveline from the faulty clutch-torque relationship
Save 25% on Select Parts & Accessories
. .
Quantity

The quantity shown is what is currently available for your selected store. If your desired quantity is unavailable, contact your store for more help, or select another nearby Pep Boys location. Close [x]
Sale Price $15.99 $9.90

Promotion: Save 25% on Select Parts & Accessories

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Available today after 1 p.m.

Promotion: Save 25% on Select Parts & Accessories

Subtotal Subtotal: $7.43
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zMAX Transmission Formula, 6 oz.
$9.99 $7.49
With Promotion
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Part #: 51-306
  |   SKU : 481427
  • zMAX Transmission Formula will help prevent leaks, reduce wear and varnish, plus improve shifting.
  • Can be used with all trans fluids and in automatic and manual transmissions.
See all 3 reviews
Available
Available today
Pay in Store Available
  • zMAX Transmission Formula will help prevent leaks, reduce wear and varnish, plus improve shifting.
  • Can be used with all trans fluids and in automatic and manual transmissions.
Save 25% on Select Parts & Accessories
. .
Quantity

The quantity shown is what is currently available for your selected store. If your desired quantity is unavailable, contact your store for more help, or select another nearby Pep Boys location. Close [x]
Retail $9.99

Promotion: Save 25% on Select Parts & Accessories

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Promotion: Save 25% on Select Parts & Accessories

Subtotal Subtotal: $7.49
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Bar's Leaks Transmission Repair Play
Play $10.99 $8.24
With Promotion
Save 25% on Select Parts & Accessories
Part #: 1400
  |   SKU : 9403505
  • Stops slipping, prevents lazy shifts and reduces rough shifting
  • Use when topping off existing fluid when low, or add a bottle when changing the fluid
See all 2 reviews
Available
Available today
Pay in Store Available
  • Stops slipping, prevents lazy shifts and reduces rough shifting
  • Use when topping off existing fluid when low, or add a bottle when changing the fluid
Save 25% on Select Parts & Accessories
. .
Quantity

The quantity shown is what is currently available for your selected store. If your desired quantity is unavailable, contact your store for more help, or select another nearby Pep Boys location. Close [x]
Retail $10.99

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Subtotal Subtotal: $8.24
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Sea Foam Trans Tune 16 oz. transmission treatment
$11.49
Part #: TT16
  |   SKU : 9410879
  • Pure petroleum product treatment and conditioner.
  • This is not a stop leak and does not swell or soften seals or o-rings.
See all 6 reviews
Available
Available today
Pay in Store Available
  • Pure petroleum product treatment and conditioner.
  • This is not a stop leak and does not swell or soften seals or o-rings.
. .
Quantity

The quantity shown is what is currently available for your selected store. If your desired quantity is unavailable, contact your store for more help, or select another nearby Pep Boys location. Close [x]
Retail $11.49
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Available today
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Subtotal Subtotal: $11.49
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K&W Trans-X Automatic Transmission Slip-Stop & Leak Fix, 32 Ounces
$11.99 $8.99
With Promotion
Save 25% on Select Parts & Accessories
Part #: 402033X6
  |   SKU : 9120510
  • PROP65_3
  • Works fast
See all 19 reviews
Available
Available today
Pay in Store Available
  • PROP65_3
  • Works fast
Save 25% on Select Parts & Accessories
. .
Quantity

The quantity shown is what is currently available for your selected store. If your desired quantity is unavailable, contact your store for more help, or select another nearby Pep Boys location. Close [x]
Retail $11.99

Promotion: Save 25% on Select Parts & Accessories

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Promotion: Save 25% on Select Parts & Accessories

Subtotal Subtotal: $8.99
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Rislone Transmission Stop Slip with Leak Repair Play Play
Play Play $12.49 $9.37
With Promotion
Save 25% on Select Parts & Accessories
Part #: 4502
  |   SKU : 9652613
  • Performance additives restore bands and clutches to stop slip, eliminate hesitation and reduce rough shifting
  • Renews and stabilizes automatic transmission fluid (ATF) reducing noise, shudder, and chatter
See all 8 reviews
Available
Available today
Pay in Store Available
  • Performance additives restore bands and clutches to stop slip, eliminate hesitation and reduce rough shifting
  • Renews and stabilizes automatic transmission fluid (ATF) reducing noise, shudder, and chatter
Save 25% on Select Parts & Accessories
. .
Quantity

The quantity shown is what is currently available for your selected store. If your desired quantity is unavailable, contact your store for more help, or select another nearby Pep Boys location. Close [x]
Retail $12.49

Promotion: Save 25% on Select Parts & Accessories

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Pay in Store Available

Promotion: Save 25% on Select Parts & Accessories

Subtotal Subtotal: $9.37
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BlueDevil Transmission Sealer Play
Play $12.99 $9.74
With Promotion
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Part #: 00236
  |   SKU : 929860
  • Guaranteed permanent repair
  • Works in manual or automatic transmissions
Write the first review
Available
Available today
Pay in Store Available
  • Guaranteed permanent repair
  • Works in manual or automatic transmissions
Save 25% on Select Parts & Accessories
. .
Quantity

The quantity shown is what is currently available for your selected store. If your desired quantity is unavailable, contact your store for more help, or select another nearby Pep Boys location. Close [x]
Retail $12.99

Promotion: Save 25% on Select Parts & Accessories

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Subtotal Subtotal: $9.74
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Lucas Oil Automatic Transmission Fluid Conditioner Play
Play $12.99 $9.74
With Promotion
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Part #: 10441
  |   SKU : 11352
  • Prolongs fluid life
  • Compatible with commercial and synthetic ATF fluids
See all 5 reviews
Available
Available today after 1 p.m.
  • Prolongs fluid life
  • Compatible with commercial and synthetic ATF fluids
Save 25% on Select Parts & Accessories
. .
Quantity

The quantity shown is what is currently available for your selected store. If your desired quantity is unavailable, contact your store for more help, or select another nearby Pep Boys location. Close [x]
Retail $12.99

Promotion: Save 25% on Select Parts & Accessories

Delivery Options
.
Available today after 1 p.m.

Promotion: Save 25% on Select Parts & Accessories

Subtotal Subtotal: $9.74
https://static.pepboys.com/images/productImages/55129100/m/10009-TransmissionFix-24OZ.jpg
Lucas Oil Transmission Fix Play
Play $12.99 $9.74
With Promotion
Select 2 for BUY 1 GET 1 50% OFF (Mix & Match)
Part #: 10009
  |   SKU : 9103328
  • Cleans and lubricates sticking valves for proper shifting
  • Extends fluid life up to three times longer
See all 123 reviews
Available
Available today
Pay in Store Available
  • Cleans and lubricates sticking valves for proper shifting
  • Extends fluid life up to three times longer
Select 2 for BUY 1 GET 1 50% OFF (Mix & Match)
. .
Quantity

The quantity shown is what is currently available for your selected store. If your desired quantity is unavailable, contact your store for more help, or select another nearby Pep Boys location. Close [x]
Retail $12.99

Promotion: Select 2 for BUY 1 GET 1 50% OFF (Mix & Match)

Delivery Options
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Available today
Pay in Store Available

Promotion: Select 2 for BUY 1 GET 1 50% OFF (Mix & Match)

Subtotal Subtotal: $9.74
https://static.pepboys.com/images/productImages/65169100/m/PSL15000 Transmission Treatment 8 oz Bottle and Box.jpg
Prolong Super Lubricants 8oz Transmission Treatment
$12.97 $9.73
With Promotion
Save 25% on Select Parts & Accessories
Part #: 15000
  |   SKU : 431439
  • Promotes smoother, more responsive shifts.
  • Compatible with all common transmission fluids and gear oils.
See all 3 reviews
Available
2 days after 6 p.m.
  • Promotes smoother, more responsive shifts.
  • Compatible with all common transmission fluids and gear oils.
Save 25% on Select Parts & Accessories
. .
Quantity

The quantity shown is what is currently available for your selected store. If your desired quantity is unavailable, contact your store for more help, or select another nearby Pep Boys location. Close [x]
Retail $12.97

Promotion: Save 25% on Select Parts & Accessories

Delivery Options
.
2 days after 6 p.m.

Promotion: Save 25% on Select Parts & Accessories

Subtotal Subtotal: $9.73
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