Product Description
The ATS 313-994-4248 Allison C4 Clutch Pack is a high-performance upgrade designed for 2001-2010 6.6L Duramax trucks equipped with the Allison 1000 transmission. Built to handle increased power and torque demands, this upgraded clutch pack replaces the factory C4 clutches to improve holding capacity and transmission reliability.
As power levels increase, the factory C4 clutch pack can become a weak point, leading to slippage and premature wear. ATS addresses this issue with upgraded friction materials and improved clutch design, allowing for greater durability and consistent performance under heavy load, towing, or high-performance driving conditions.
This clutch pack is an essential upgrade for transmission builds, rebuilds, or performance applications where increased torque capacity and long-term reliability are critical.
FAQ
Q: What does the C4 clutch pack do?
A: The C4 clutch pack is responsible for handling specific gear engagements within the Allison transmission, and upgrading it improves holding power and prevents slipping.
Q: When should I upgrade the C4 clutch pack?
A: It is recommended during transmission rebuilds or when increasing horsepower and torque beyond stock levels.
Q: Will this help prevent transmission failure?
A: Yes, upgrading the C4 clutch pack helps eliminate a common failure point in high-performance or heavily used transmissions.
Q: Is this a direct replacement?
A: Yes, it is designed as a direct-fit upgrade for Allison 1000 transmissions in compatible Duramax applications.
Fitment
- 2001-2004 Chevrolet Silverado 2500HD/3500HD 6.6L LB7 Duramax
- 2001-2004 GMC Sierra 2500HD/3500HD 6.6L LB7 Duramax
- 2004.5-2005 Chevrolet Silverado 2500HD/3500HD 6.6L LLY Duramax
- 2004.5-2005 GMC Sierra 2500HD/3500HD 6.6L LLY Duramax
- 2006-2007 Chevrolet Silverado 2500HD/3500HD 6.6L LBZ Duramax
- 2006-2007 GMC Sierra 2500HD/3500HD 6.6L LBZ Duramax
- 2007.5-2010 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax
- 2007.5-2010 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax
Key Features
- Upgraded C4 clutch pack for Allison 1000 transmissions
- Improved holding capacity over stock clutches
- Reduces slippage under high torque conditions
- Ideal for performance builds and transmission rebuilds
- Designed for towing, racing, and heavy-duty applications
- Durable friction materials for extended service life
Specifications for ATS 313-994-4248
| Specification | Details |
|---|---|
| Part Number | 313-994-4248 |
| UPC | Not Available |
| GTIN | Not Available |
| Product Type | Transmission C4 Clutch Pack |
| Transmission Compatibility | Allison 1000 |
| Engine Compatibility | 6.6L Duramax (LB7, LLY, LBZ, LMM) |
| Model Years | 2001-2010 |
| Function | Improves clutch holding capacity and durability |
| Installation | Requires transmission disassembly |
| Recommended Use | Performance builds, rebuilds, towing applications |
| Shipping Info | Standard Ground Shipping |
| Warranty | Limited Manufacturer Warranty |
| California Prop 65 | WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
