When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
2-Pack – Genuine GM ACDelco Auto-Trak II Transfer Case Fluid 33.8 oz | 88900402 (10-4017) Product Overview
Genuine GM ACDelco Auto-Trak II Transfer Case Fluid is engineered specifically for electronically controlled transfer cases used in modern GM 4WD and AWD vehicles. Its advanced formula ensures smooth clutch engagement, quiet operation, improved durability, and long-term protection under demanding conditions.
Capacity
Each Bottle: 33.8 oz (1 Liter)
This Listing: Pack of 2
Key Features
- Genuine OEM ACDelco Auto-Trak II formulation
- Designed for GM 4x4 & AWD electronic transfer cases
- Ensures smooth clutch engagement & reduced chatter
- Protects against wear, heat, and oxidation
- Long service life with excellent thermal stability
- Trusted original GM factory-fill quality
Method of Use
- Refer to vehicle service manual for exact capacity.
- Raise vehicle and locate transfer case fill/drain plugs.
- Drain old fluid completely.
- Refill with Auto-Trak II until fluid reaches the fill plug level.
- Reinstall plugs and torque to manufacturer specifications.
- Test drive and re-check for any leaks or level drops.
Compatible With
Suitable for many GM, Chevrolet, GMC, Cadillac, and Buick AWD/4WD vehicles using electronic transfer cases. Always confirm compatibility with your VIN or manual.
Shipping & Handling
• Ships within 1 business day.
• We use USPS Standard Shipping for fast delivery.
• Packed securely to prevent leakage or damage.
Return Policy
• 30-day return window for unopened and unused items.
• Hassle-free replacements or refunds for damaged or incorrect shipments.
