---
product_id: 321925241
title: "TranSynd 668 Synthetic Automatic Transmission Fluid, 1 gal"
brand: "castrol"
price: "₨59979"
currency: LKR
in_stock: true
reviews_count: 13
category: "Castrol"
url: https://www.desertcart.lk/products/321925241-transynd-668-synthetic-automatic-transmission-fluid-1-gal
store_origin: LK
region: Sri Lanka
---

# Extended anti-shudder durability Thermal & oxidative stability Improved gear protection TranSynd 668 Synthetic Automatic Transmission Fluid, 1 gal

**Brand:** castrol
**Price:** ₨59979
**Availability:** ✅ In Stock

## Summary

> ⚙️ Shift into the future with Castrol TranSynd 668 – where performance meets precision!

## Quick Answers

- **What is this?** TranSynd 668 Synthetic Automatic Transmission Fluid, 1 gal by castrol
- **How much does it cost?** ₨59979 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/321925241-transynd-668-synthetic-automatic-transmission-fluid-1-gal)

## Best For

- castrol enthusiasts

## Why This Product

- Trusted castrol brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Clutch Longevity Boost:** Maximize clutch-friction durability and reduce costly wear and tear.
- • **Unmatched Gear Defense:** Keep your transmission running smoother, longer with superior gear protection.
- • **Anti-Shudder Powerhouse:** Experience extended anti-shudder durability for seamless shifting every time.
- • **Corrosion & Foam Fighter:** Advanced formula resists corrosion and foaming, ensuring peak performance.
- • **Thermal Stability Champion:** Prevents deposits and oil thickening even under extreme heat conditions.

## Overview

Castrol TranSynd 668 Allison 2021 Updated SPEC is a premium synthetic transmission fluid designed for universal fit, delivering enhanced gear protection, extended anti-shudder and clutch durability, excellent corrosion resistance, and superior thermal and oxidative stability to keep your vehicle’s transmission operating at peak efficiency.

## Description

Delivers improved gear protection. Delivers extended anti-shudder durability. Delivers extended clutch-friction durability. Excellent corrosion and foaming resistance. Excellent thermal and oxidative stability that helps to prevent deposits and oil thickening. Fit type: Universal

Review: Great great - 👍🤠
Review: Great for the Allison - Great fluid. Chevy shifting so much better now.

## Features

- Delivers improved gear protection.
- Delivers extended anti-shudder durability.
- Delivers extended clutch-friction durability.
- Excellent corrosion and foaming resistance.
- Excellent thermal and oxidative stability that helps to prevent deposits and oil thickening.
- Fit type: Universal

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B095SZB2DK |
| Best Sellers Rank | #3,385 in Automotive ( See Top 100 in Automotive ) #14 in Transmission Fluids |
| Brand | Castrol |
| Brand Name | Castrol |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 1,006 Reviews |
| Item Form | Liquid |
| Liquid Volume | 1 Gallons |
| Material | Synthetic |
| Number of Items | 1 |
| Package Information | Bottle |
| Part Number | TES 668 |
| Recommended Uses For Product | Automotive |
| UPC | 079191219164 |
| Unit Count | 128.0 Fluid Ounces |

## Product Details

- **Brand:** Castrol
- **Liquid Volume:** 1 Gallons
- **Material:** Synthetic
- **Package Information:** Bottle
- **Recommended Uses For Product:** Automotive

## Images

![TranSynd 668 Synthetic Automatic Transmission Fluid, 1 gal - Image 1](https://m.media-amazon.com/images/I/71RP2LrvVRL.jpg)

## Available Options

This product comes in different **Number Of Items** options.

## Questions & Answers

**Q: Can I use this in my 2001 silverado 2500hd with an allison transmission?**
A: Yes, I recommend flushing and filter (Both) try to remove as much of the Dino oil as possible.
Transcend works wonderfully in my '01 and '05 Chev Allisons

**Q: Can this be use with nissan rogue 2017?**
A: no

**Q: Ok for Genesis 80 2017**
A: no

**Q: I am trying to find the color of the fluid. Not able to find it on the product description. Any comments?**
A: It's red. Just like the older version.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great great
*by T***S on May 7, 2026*

👍🤠

### ⭐⭐⭐⭐⭐ Great for the Allison
*by J***N on January 7, 2026*

Great fluid. Chevy shifting so much better now.

### ⭐⭐⭐⭐⭐ Good deal
*by K***S on May 12, 2026*

Just what I needed. Good price and fast shipping

## Frequently Bought Together

- Stone River Products Castrol TranSynd 668 Allison 2021 Updated SPEC 1 GALLON ONLY BY DOXA WORLDWIDE
- Allison 29539579 Screw-on Filter with Magnet Filter Kit replacing filter for Allison transmission per OEM Specs, For utility terrain vehicles
- ACDelco GM Original Equipment PF2232 Engine Oil Filter

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**Shop now:** [https://www.desertcart.lk/products/321925241-transynd-668-synthetic-automatic-transmission-fluid-1-gal](https://www.desertcart.lk/products/321925241-transynd-668-synthetic-automatic-transmission-fluid-1-gal)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-06-05*