Product Description
The ATS 402-915-6248 11.5 Inch 14-Bolt Differential Cover is a high-performance upgrade designed for 2001-2019 6.6L Duramax trucks equipped with the AAM 11.5" rear differential. Built for strength, cooling, and durability, this heavy-duty cover replaces the factory unit to provide superior protection and improved gear oil capacity.
Constructed from high-strength cast aluminum, this differential cover is engineered to withstand extreme towing, off-road, and high-performance conditions. The increased fluid capacity helps reduce operating temperatures, extending the life of your differential and improving overall reliability.
Featuring a magnetic drain plug and a convenient fill port, this cover makes servicing easier while capturing harmful metal particles to protect internal components. Whether you're towing heavy loads or pushing your Duramax to its limits, this ATS differential cover delivers the strength and cooling your drivetrain needs.
FAQ
Q: What are the benefits of upgrading to this differential cover?
A: It increases fluid capacity, improves cooling, adds strength, and provides better protection compared to the factory cover.
Q: Does this help with towing?
A: Yes, the added fluid capacity and cooling help maintain lower temperatures during heavy towing conditions.
Q: Does it include a drain plug?
A: Yes, it features a magnetic drain plug for easy maintenance and to capture metal debris.
Q: Is installation difficult?
A: Installation is straightforward and uses factory mounting locations with basic hand tools.
Fitment
- 2001-2010 Chevrolet Silverado 2500HD/3500HD 6.6L Duramax
- 2001-2010 GMC Sierra 2500HD/3500HD 6.6L Duramax
- 2011-2019 Chevrolet Silverado 2500HD/3500HD 6.6L Duramax
- 2011-2019 GMC Sierra 2500HD/3500HD 6.6L Duramax
- Fits AAM 11.5" 14-Bolt Rear Differential
Key Features
- Fits AAM 11.5" 14-bolt rear differentials
- Heavy-duty cast aluminum construction
- Increased fluid capacity for improved cooling
- Magnetic drain plug captures metal debris
- Convenient fill port for easy servicing
- Improves durability and extends differential life
- Ideal for towing, off-road, and performance use
Specifications for ATS 402-915-6248
| Specification | Details |
|---|---|
| Part Number | 402-915-6248 |
| UPC | Not Available |
| GTIN | Not Available |
| Product Type | Differential Cover |
| Differential Size | 11.5 Inch |
| Axle Type | AAM 14-Bolt |
| Material | Cast Aluminum |
| Cooling Capacity | Increased Over Stock |
| Drain Plug | Magnetic Drain Plug Included |
| Installation | Direct Bolt-On |
| Shipping Info | Standard Ground Shipping |
| Warranty | Limited Manufacturer Warranty |
| California Prop 65 | WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
