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

OEM Part Number

84504824, 84619036, 412-10145, 41210145

Fit For the Following Models

SIERRA 2500 PICKUP 15 6.6L (diesel), dash switch (electric shift), bolt-on speed sensor
SIERRA 2500 PICKUP 16-19 6.6L (diesel), dash switch (electric shift), (opt NQF)
SIERRA 3500 PICKUP 15 6.6L (diesel), electric shift opt NQF, bolt-on speed sensor
SIERRA 3500 PICKUP 16-19 6.6L (diesel), dash switch (electric shift), (opt NQF)
SIERRA DENALI 2500 15 6.6L (diesel), (opt NQF), bolt-on speed sensor
SIERRA DENALI 2500 16 6.6L (diesel), (opt NQF)
SIERRA DENALI 2500 17-18 6.6L (diesel)
SIERRA DENALI 3500 15 6.6L (diesel), (opt NQF), bolt-on speed sensor
SIERRA DENALI 3500 16 6.6L (diesel), (opt NQF)
SIERRA DENALI 3500 17-18 6.6L (diesel)
SILVERADO 2500 PICKUP 15 6.6L (diesel), dash switch (electric shift), bolt-on speed sensor
SILVERADO 2500 PICKUP 16-18 6.6L (diesel), dash switch (electric shift), (opt NQF)
SILVERADO 2500 PICKUP 19 6.6L (diesel), dash switch (electric shift)
SILVERADO 3500 PICKUP 15 6.6L (diesel), electric shift (opt NQF), bolt-on speed sensor
SILVERADO 3500 PICKUP 16-19 6.6L (diesel), dash switch (electric shift), (opt NQF)