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Justice Brothers Premium Transmission Stop-Leak TSL-5

TSL-5
  • Stops & prevents transmission seal leaks
  • Reconditions old dry transmission seals
  • Reduces friction & wear in transmission
  • Cleans & prevents harmful formation of sludge & varnish
  • Helps transmission run cooler & last longer
  • Helps smooth rough shifting transmissions
  • Mixes with all factory approved transmission fluids
Shipping: A flat rate shipping charge of $8 will be applied at checkout.
Pricing: $34.95
Qty:

Description

Justice Brothers Premium Trans Stop-Leak – TSL-5

Stop Transmission Leaks and Restore Smooth Shifting

Protect your transmission from leaks and costly repairs with Justice Brothers Premium Trans Stop-Leak, now available at NorCal Diesel Performance. Specially formulated to recondition old, dry seals and prevent future leaks, this advanced additive is trusted by professionals and DIYers for its proven ability to keep transmissions running cooler, smoother, and longer.

Key Features & Benefits

  • Stops & Prevents Transmission Seal Leaks: Reconditions old, dry, or shrunken transmission seals to stop leaks and prevent future fluid loss.

  • Reduces Friction & Wear: Minimizes internal friction and wear, helping your transmission last longer and operate more efficiently.

  • Cleans & Prevents Harmful Deposits: Dissolves and prevents the formation of sludge and varnish, keeping your transmission clean and responsive.

  • Smooths Rough Shifting: Helps restore smooth, reliable shifting in both automatic and manual transmissions.

  • Helps Transmission Run Cooler: Improved lubrication and reduced friction help lower operating temperatures, reducing the risk of overheating.

  • Compatible with All Transmission Fluids: Mixes with all factory-approved transmission fluids for easy, worry-free use in virtually any vehicle.

How to Use

  • Check the transmission fluid level at normal operating temperature (see your owner's manual for instructions).

  • Add the entire contents of one can to restore fluid to the correct level—do not overfill.

  • Use one can per 10 to 12 quarts of transmission fluid.

  • Most leaks stop within 300 miles or 5 days of normal driving.

  • If leaks persist after treatment, mechanical repair may be necessary.

Product Details

Attribute Value
Part Number TSL-5
UPC 077445000056
Size 1 can (for 10–12 quarts)
Shipping Weight 1.0 lbs
 

Vehicle Compatibility

  • Suitable for all automatic and manual transmissions in cars, trucks, SUVs, and heavy-duty vehicles.

Why Choose Justice Brothers Premium Trans Stop-Leak?

Justice Brothers is a trusted name in automotive maintenance, known for nearly 90 years of innovation and quality. Their Premium Trans Stop-Leak is relied on by mechanics and drivers alike for its consistent results in stopping leaks, smoothing shifting, and extending transmission life. Customers have reported smoother operation and significant savings on transmission repairs after using this product.

Order with Confidence

  • Fast, flat-rate shipping

  • 30-day returns

Seal leaks, smooth shifting, and protect your transmission—order Justice Brothers Premium Trans Stop-Leak today from NorCal Diesel Performance!

 

Directions:

Directions:

Check level of transmission fluid when engine is at normal operating temperature. See your cars owner's manual for procedure.
Add contents of this can to restore original fluid level. *DO NOT OVERFILL*
Leaks usually stop in 300 miles or 5 days of driving.
Check transmission fluid dip stick level to see if leaks have stopped. Do not check drippings under car. Old accumulation of fluid on the outside of transmission may drip for a few days after leak has stopped.
If leak continues, mechanical attention is needed and replacement of seal may be required.
*Add one can per 10 to 12 quarts of transmission fluid.

Details

  • TSL-5
  • TSL-5
  • 077445000056
  • Justice Brothers
  • New

Categories

Shipping Information

  • Item Requires Shipping
  • 1.0 lbs.
  • W6.0000” x H6.0000” x L6.0000”
  • $8.00
  • A flat rate shipping charge of $8 will be applied at checkout.

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