Can I use this in my 2001 silverado 2500hd with an allison transmission?

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

I am trying to find the color of the fluid. Not able to find it on the product description. Any comments?

It's red. Just like the older version.

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Castrol TranSynd 668 Synthetic Automatic Transmission Fluid, 1 gal

Castrol TranSynd 668 Synthetic Automatic Transmission Fluid, 1 gal

Product ID: 321925241

Details

Brand
Castrol
Liquid Volume
1 gallons
Material
Synthetic
Package Information
Bottle
Recommended Uses For Product
Automotive

🔥Superior thermal stability

⚙️Advanced gear protection

🛡️Extended anti-shudder durability

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Description

⚡ Drive smarter, shift smoother, last longer.

CLUTCH LONGEVITY BOOST - Enhanced clutch-friction durability means fewer replacements and more time on the road.
UNRIVALED GEAR DEFENSE - Protect your transmission with cutting-edge synthetic formula designed for peak performance.
CORROSION FOAM FIGHTER - Engineered to resist corrosion and foaming, ensuring consistent fluid performance under pressure.
SMOOTH SHIFTS ZERO SHUDDER - Experience extended anti-shudder durability that keeps your drive silky smooth mile after mile.
UNIVERSAL FIT PROFESSIONAL GRADE - One synthetic fluid to rule them all—compatible with a wide range of automatic transmissions.

Castrol TranSynd 668 is a premium synthetic automatic transmission fluid delivering superior gear protection, extended anti-shudder and clutch-friction durability, plus excellent resistance to corrosion, foaming, and thermal breakdown—making it the go-to choice for professionals seeking reliable, long-lasting transmission performance.

Specifications

ASIN	B095SZB2DK
Best Sellers Rank	#5,448 in Automotive ( See Top 100 in Automotive ) #20 in Transmission Fluids
Brand Name	Castrol
Container Type	Bottle
Customer Reviews	4.8 4.8 out of 5 stars (1,039)
Item Form	Liquid
Liquid Volume	1 gallons
Material	Synthetic
Number of Items	1
Part Number	TES 668
Recommended Uses For Product	Automotive
UPC	079191219164
Unit Count	128 Fluid Ounces

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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R2321

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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