Thank you for your purchase of our Transfer case. Before installation, please be sure to add gear oil to the transfer case. Failure to add gear oil before installation can damage the product and may lead to premature failure. Please note that we will not accept returns or claims for products that have been damaged due to improper installation.

Proper lubrication is critical to the performance and longevity of your Transfer case, and we highly recommend following the manufacturer's instructions for adding gear oil prior to installation. We want to emphasize the importance of using the correct gear oil and adding it in the proper amount. If you have any questions or concerns about the proper installation process, please do not hesitate to contact us for assistance.

Thank you for choosing our product, and we hope it provides reliable performance for your application.

Gear Oil Type: 75W-90

Specifications:

Input Shaft (Internal Spline): 32

Front Output: 32 (Internal Spline, one tooth missing)

Rear Output (External Spline): 32

OE Number:    

NP246 / 412-487 / RTC246G4 / 4L80

24228439, 12575942, 24233726, 24237190, 24237288

24238848, 24239525, 24240016, 12577835, 12580185

12580860, 12584881, 12585240, 12586467, 24238533

Will Fit Following Models:

This is for the Electric Shift model.

Fits 2003-2007 GM Trucks with RPO code NP8. (32 spline input shaft 4L80 Transmission)

Chevy Avalanche 2500 2003-2006

Chevy Silverado 2500 2003-2004

Chevy Suburban 2500 2003-2007

GMC Sierra 2500 2003-2004

GMC Yukon XL 2500 2003-2007

Note: Please compare your item carefully with photo and OE Number to avoid mistake!!!