Eaton Detroit Truetrac Differential 20-25 GM 2500HD Diesel 6.6 Only with Rear 31 Spline Axles

Detroit Truetrac® Differential; AAM 11.5 in.; 31 Spline; All Ratios;

• Optimized Torque Bias Ratios Deliver Max Acceleration And Handling
• No Special Lubrication Or Friction Modifiers Needed
• Helical Gear Limited Slip Differential
• Durable; Smooth; Quiet Operation
• Works In Forward And Reverse
• Ideal For Most Vehicles
• Automatic Engagement

The Eaton Detroit Truetrac Differential (Part Number: eat917A740) offers enhanced performance for heavy-duty trucks like the 2020 and 2021 GMC Sierra 2500 HD models equipped with the 6.6L diesel engine and rear 31 spline axles. Designed with advanced helical gear technology, this limited-slip differential provides optimized torque bias ratios that deliver maximum acceleration and improved handling during demanding driving conditions. Its automatic engagement system ensures seamless operation without the need for additional lubrication or friction modifiers, simplifying installation and maintenance. The Eaton Detroit Truetrac is built for durability, providing smooth, quiet operation while working efficiently in both forward and reverse directions. Its robust construction makes it ideal for most vehicles requiring a reliable limited-slip differential, especially in off-road, towing, or high-performance scenarios. Whether you're upgrading your vehicle for better traction or replacing a worn differential, this Eaton model enhances driving confidence and vehicle control. With its proven design and compatibility with a range of GMC Sierra 2500 HD trucks, the Eaton Detroit Truetrac Differential is a superior choice for demanding automotive applications and serious off-road adventures.

Features:

• Optimized Torque Bias Ratios for maximum acceleration and handling

• No special lubrication or friction modifiers required

• Helical gear limited slip differential design

• Durable, smooth, and quiet operation

• Works seamlessly in both forward and reverse directions

• Suitable for most vehicles requiring a reliable limited-slip differential

• Automatic engagement for effortless performance

Fitment:
GMC Sierra 2500 HD AT4 2020
GMC Sierra 2500 HD AT4 2021
GMC Sierra 2500 HD AT4 2022
GMC Sierra 2500 HD AT4 2023
GMC Sierra 2500 HD AT4 2024
GMC Sierra 2500 HD AT4 2025
GMC Sierra 2500 HD AT4X 2024
GMC Sierra 2500 HD AT4X 2025
GMC Sierra 2500 HD Base 2020
GMC Sierra 2500 HD Base 2021
GMC Sierra 2500 HD Base 2022
GMC Sierra 2500 HD Denali 2020
GMC Sierra 2500 HD Denali 2021
GMC Sierra 2500 HD Denali 2022
GMC Sierra 2500 HD Denali 2023
GMC Sierra 2500 HD Denali 2024
GMC Sierra 2500 HD Denali 2025
GMC Sierra 2500 HD Denali Ultimate 2024
GMC Sierra 2500 HD Denali Ultimate 2025
GMC Sierra 2500 HD Pro 2023
GMC Sierra 2500 HD Pro 2024
GMC Sierra 2500 HD Pro 2025
GMC Sierra 2500 HD SLE 2020
GMC Sierra 2500 HD SLE 2021
GMC Sierra 2500 HD SLE 2022
GMC Sierra 2500 HD SLE 2023
GMC Sierra 2500 HD SLE 2024
GMC Sierra 2500 HD SLE 2025
GMC Sierra 2500 HD SLT 2020
GMC Sierra 2500 HD SLT 2021
GMC Sierra 2500 HD SLT 2022
GMC Sierra 2500 HD SLT 2023
GMC Sierra 2500 HD SLT 2024
GMC Sierra 2500 HD SLT 2025