2003 Chevy GMC Duramax Diesel 4x4 Allison 1000 5-Speed Transmission

Description

This 2003 Chevy GMC Duramax Diesel 4×4 Allison 1000 5-Speed transmission (1000PK) was removed from a 2003 GMC 3500, where it performed well until the engine failed. The transmission is in good working condition, having shifted smoothly and without issues prior to removal. The transmission is the Allison 1000 model, known for its durability and reliability in Duramax Diesel trucks.

We highly recommend replacing the neutral safety switch to ensure smooth functionality, as this is a common maintenance item for transmissions of this age. While the transmission itself is in excellent working order, this simple replacement will help avoid potential issues.

This transmission is perfect for replacing a worn-out or damaged Allison 1000 in your Chevy or GMC Duramax Diesel 4×4 truck. It is an OEM part, ensuring proper fitment and performance.

For optimal performance and longevity, we recommend professional installation. The part comes with a 6-month to 12-month warranty, providing you with peace of mind for your purchase.

In conclusion, this 2003 Chevy GMC Duramax Diesel 4×4 Allison 1000 5-speed transmission offers a reliable and OEM-quality solution for your truck’s drivetrain.

FITMENT SECTION

• 2003 Chevy GMC 3500 Duramax Diesel 4×4 with Allison 1000 5-Speed transmission