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ACDelco GM Original Equipment 10-4017 Auto-Trak II Transfer Case Fluid - 33.8 oz

Q: can this substitute for Automatic Transfer Case Fluid (GM Part No. 12378396)

auto trak 2 is slicker. It came about because the clutches in the transfer case were grabbing & causing a chatter. I've never heard of anyone having a problem using the auto trak 2 fluid instead of the auto trak fluid. I hope that helps you.

Q: Is all ac delco auto track 2 fluid the same this part number doesn’t match my owners Manual ?

This is the correct fluid to use if and only if you have “full time” or automatic ALL WHEEL drive. It is NOT for four wheel drive, which mechanically is a totally different system, even though the result is similar- getting up a snow covered hill. I used this in my 2000 Olds Bravada. Fluid I drained looked dirtier, but the same blue. I believe that GM changed the part number, or updated the old fluid about 12 or 15 years ago. Like you, I did extensive online research before proving to myself that This Is the correct fluid to use for “automatic” All wheel drive before buying it.

Q: Will this work in a 2007.5 lmm duramax?

It should work in the transfer case but I'd call the dealer parts department to be sure. My truck is a 1500. The transfer case in your Duramax may be a different unit requiring a different fluid.

Q: Is this for the 2003 Silverado with 4 wheel buttons?

I used it in a 2004 Avalanche 1500 with push button 4WD and it made the service 4wd light stop. I decided to spend the extra to get this blue AC Delco fluid instead of a different brand the local part store offers

Product ID: 2656916

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Details

Brand
ACDelco
Package Information
Jug
Liquid Volume
1 Liters
Item Weight
2 Pounds
Recommended Uses For Product
Auto

⏳Enhanced oxidation resistance for extended fluid life

🔥High-temp endurance for long drives

⚙️GM-approved for 4WD transfer cases

Frequently Bought Together

ACDelco GM Original Equipment 10-4017 Auto-Trak II Transfer Case Fluid - 33.8 oz

ACDelco GM Original Equipment 10-9395 Dexron VI Automatic Transmission Fluid - 1 gal

ACDelco GM Original Equipment 10-4016 GL-5 75W-90 Synthetic Axle Lubricant - 1 qt, 32 Ounce

Description

⚙️ Keep your 4WD transfer case running cooler, longer, and stronger!

OPTIMAL FLUID VOLUME - 33.8 oz jug designed for easy handling and perfect fill—no guesswork, just precision.
RELIABLE OEM QUALITY - Backed by ACDelco’s trusted manufacturing, ensuring consistent performance and peace of mind.
PRECISION GM APPROVAL - Engineered specifically for GM automatic 4WD transfer cases—trust the original equipment standard.
LONG LASTING PROTECTION - Advanced oxidation resistance means less frequent fluid changes and more time on the road.
HEAT DEFYING PERFORMANCE - Withstands extreme temperatures to keep your transfer case running smoothly on every adventure.

ACDelco GM Original Equipment 10-4017 Auto-Trak II Transfer Case Fluid is a 33.8 oz premium fluid designed specifically for GM automatic four-wheel drive transfer cases. It offers superior oxidation resistance and high-temperature durability, ensuring extended fluid life and reliable performance under demanding conditions.

Specifications

Brand	ACDelco
Package Information	Jug
Liquid Volume	1 Liters
Item Weight	2 Pounds
Recommended Uses For Product	Auto
Specific Uses For Product	Auto
Item Form	Liquid
Global Trade Identification Number	00707773844021
Manufacturer	ACDelco
Unit Count	33.8 Fluid Ounces
UPC	707773844021
Number of Items	1
Model	Transfer Case
Item Weight	2 pounds
Product Dimensions	8.8 x 4.8 x 2.5 inches
Item model number	10-4017
Is Discontinued By Manufacturer	No
Exterior	Machined
Manufacturer Part Number	10-4017
OEM Part Number	88900402

Have a Question? See What Others Asked

can this substitute for Automatic Transfer Case Fluid (GM Part No. 12378396)

Is all ac delco auto track 2 fluid the same this part number doesn’t match my owners Manual ?

Will this work in a 2007.5 lmm duramax?

Is this for the 2003 Silverado with 4 wheel buttons?

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