Stone River Products Castrol TranSynd 668 Allison 2021 Updated SPEC 1 GALLON ONLY BY DOXA WORLDWIDE
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Stone River Products Castrol TranSynd 668 Allison 2021 Updated SPEC 1 GALLON ONLY BY DOXA WORLDWIDE

4.9/5
Product ID: 321925241
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Details

  • Brand
    MERCHANT
  • Package Information
    Bottle
  • Liquid Volume
    1 Gallons
  • Recommended Uses For Product
    Automotive
  • Item Form
    Liquid
🔥Thermal & oxidative stability
⚙️Improved gear protection
🛡️Extended clutch-friction durability

Description

⚙️ Drive with confidence, powered by precision.

  • ANTI SHUDDER POWER - Say goodbye to annoying gear shudders with extended durability.
  • CLUTCH LONGEVITY BOOST - Protects clutch friction for a seamless driving experience.
  • UNMATCHED GEAR DEFENSE - Keeps your transmission running smoother, longer.
  • CORROSION FOAM FIGHTER - Prevents corrosion and foaming to maintain peak performance.
  • THERMAL STABILITY CHAMPION - Stops oil thickening and deposits even under extreme heat.

Castrol TranSynd 668 is a premium 1-gallon transmission fluid engineered for superior gear protection, extended clutch and anti-shudder durability, and excellent resistance to corrosion, foaming, and thermal breakdown—ideal for professionals demanding reliability and peak automotive performance.

Specifications

BrandMERCHANT AUTOMOTIVE
Package InformationBottle
Liquid Volume1 Gallons
Recommended Uses For ProductAutomotive
Item FormLiquid
ManufacturerCastrol
Unit Count128.0 Fluid Ounces
UPC079191219164
Number of Items1
Item Weight7.5 pounds
Package Dimensions11.73 x 9.57 x 4.76 inches
Manufacturer Part NumberTES 668

Have a Question? See What Others Asked

Can I use this in my 2001 silverado 2500hd with an allison transmission?
Can this be use with nissan rogue 2017?
Ok for Genesis 80 2017
I am trying to find the color of the fluid. Not able to find it on the product description. Any comments?

Reviews

4.9

All from verified purchases

E**B

Great Product and Quality

Great Product, made my transmission run and shift alot better.

V**N

Castrol TranSynd

Quality brand, reasonably priced

S**N

Best for the Alison transmission

Best transmission fluid if you have a Duramax/Alison

R**S

Better than OE fluid for your Allison 1000 transmission

Fluid quality:Works excellent with the Allison 1000 6spd

S**T

Great product and service

Arrived on time and as advertised. Just what I needed.

M**D

Just what I needed

Perfect. Just what I ordered.

C**R

The only oil for your transmission needs

My Alison transmission thanks me everytime I start my 2003 GMC lower temps and better shifts..

D**R

Best out there for the price!

Absolutely amazing service and quick delivery!

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Pooja R.

The customer service exceeded my expectations. Perfect for buying products you can't find elsewhere.

1 week ago

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€ 148.17

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Stone River Products Castrol Transynd 668 Allison 2021 Updated Spec | Desertcart GERMANY