Product Description
The ATS 705-050-4248 Fuel Rail Pressure Plug is a critical upgrade for 2001-2004 6.6L LB7 Duramax engines looking to maintain consistent fuel pressure under load. Designed to replace the factory pressure relief valve (PRV), this plug prevents premature pressure release that can limit performance and reduce fuel delivery.
Under high load conditions or when running performance tuning, the factory PRV can open and cause a drop in fuel rail pressure. This ATS plug eliminates that issue by sealing the system, ensuring maximum fuel pressure is maintained for optimal engine performance and efficiency.
Built from high-strength materials and precision machined for reliability, this upgrade is ideal for towing, daily driving, and performance applications where stable fuel pressure is essential.
FAQ
Q: What does this fuel rail pressure plug do?
A: It replaces the factory pressure relief valve to prevent pressure loss and maintain consistent fuel rail pressure under load.
Q: Will this help with performance?
A: Yes, maintaining proper fuel pressure allows the engine to deliver full fueling, improving performance especially on tuned trucks.
Q: Is this necessary for stock trucks?
A: While not required for stock applications, it is highly recommended for towing or performance use to prevent pressure drop.
Q: Is installation difficult?
A: Installation is straightforward for experienced installers and involves replacing the factory PRV on the fuel rail.
Fitment
- 2001 Chevrolet Silverado 2500HD/3500HD 6.6L LB7 Duramax
- 2002 Chevrolet Silverado 2500HD/3500HD 6.6L LB7 Duramax
- 2003 Chevrolet Silverado 2500HD/3500HD 6.6L LB7 Duramax
- 2004 Chevrolet Silverado 2500HD/3500HD 6.6L LB7 Duramax
- 2001 GMC Sierra 2500HD/3500HD 6.6L LB7 Duramax
- 2002 GMC Sierra 2500HD/3500HD 6.6L LB7 Duramax
- 2003 GMC Sierra 2500HD/3500HD 6.6L LB7 Duramax
- 2004 GMC Sierra 2500HD/3500HD 6.6L LB7 Duramax
Key Features
- Eliminates factory pressure relief valve (PRV) leakage
- Maintains consistent fuel rail pressure
- Improves fuel delivery and engine performance
- Ideal for towing and performance applications
- Precision machined for durability and reliability
- Simple direct replacement upgrade
Specifications for ATS 705-050-4248
| Specification | Details |
|---|---|
| Part Number | 705-050-4248 |
| UPC | Not Available |
| GTIN | Not Available |
| Product Type | Fuel Rail Pressure Plug |
| Engine Compatibility | 6.6L Duramax LB7 |
| Model Years | 2001-2004 |
| Function | Replaces factory pressure relief valve |
| Material | High-strength steel |
| Installation | Direct replacement |
| Shipping Info | Standard Ground Shipping |
| Warranty | Limited Manufacturer Warranty |
| California Prop 65 | WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
