
The Alliant AP57005 Fuel Contamination Kit is designed to restore your Chevrolet Silverado, Express, GMC Sierra, or Savana to peak performance when faced with fuel system issues caused by contamination or fuel shortages. Engineered with precision, this all-in-one kit addresses the critical problems stemming from CP4 pump failure due to Diesel Exhaust Fluid (DEF) contamination, water intrusion, or low fuel levels. When modern fuel system components operate within micron-level tolerances, compromised parts can lead to extensive damage. Alliant Power ensures a full restoration of your system with 100% genuine OEM or equivalent validated components, meticulously tested for reliability and performance. With this comprehensive kit, you'll have everything you need to protect and maintain your fuel system, so your vehicle gets back to work without delay.
Two-Year Unlimited Mile Warranty- Enjoy complete confidence on the road with a robust warranty that guarantees reliability and peace of mind.
- Rest assured knowing your kit includes only authentic, high-quality parts validated to meet stringent industry standards.
- Each fuel system component is precision-tested at 15 different points to ensure zero defects, resulting in uncompromising quality and performance.
- Eliminate guesswork with a complete kit that contains all the essential components for a seamless fuel system repair.
- Designed and assembled in an ISO 9001:2015 Certified Facility, guaranteeing industry-leading manufacturing quality and innovation.
The Alliant AP57005 Fuel Contamination Kit is your durable, efficient solution to regain vehicle reliability and safeguard long-term performance.

The Alliant AP57005 Fuel Contamination Kit is designed to restore your Chevrolet Silverado, Express, GMC Sierra, or Savana to peak performance when faced with fuel system issues caused by contamination or fuel shortages. Engineered with precision, this all-in-one kit addresses the critical problems stemming from CP4 pump failure due to Diesel Exhaust Fluid (DEF) contamination, water intrusion, or low fuel levels. When modern fuel system components operate within micron-level tolerances, compromised parts can lead to extensive damage. Alliant Power ensures a full restoration of your system with 100% genuine OEM or equivalent validated components, meticulously tested for reliability and performance. With this comprehensive kit, you'll have everything you need to protect and maintain your fuel system, so your vehicle gets back to work without delay.
Two-Year Unlimited Mile Warranty
Enjoy complete confidence on the road with a robust warranty that guarantees reliability and peace of mind.
100% Genuine OE or OE Equivalent Components
Rest assured knowing your kit includes only authentic, high-quality parts validated to meet stringent industry standards.
The Alliant AP57005 Fuel Contamination Kit is designed to restore your Chevrolet Silverado, Express, GMC Sierra, or Savana to peak performance when faced with fuel system issues caused by contamination or fuel shortages. Engineered with precision, this all-in-one kit addresses the critical problems stemming from CP4 pump failure due to Diesel Exhaust Fluid (DEF) contamination, water intrusion, or low fuel levels. When modern fuel system components operate within micron-level tolerances, compromised parts can lead to extensive damage. Alliant Power ensures a full restoration of your system with 100% genuine OEM or equivalent validated components, meticulously tested for reliability and performance. With this comprehensive kit, you'll have everything you need to protect and maintain your fuel system, so your vehicle gets back to work without delay.
Two-Year Unlimited Mile Warranty- Enjoy complete confidence on the road with a robust warranty that guarantees reliability and peace of mind.
- Rest assured knowing your kit includes only authentic, high-quality parts validated to meet stringent industry standards.
- Each fuel system component is precision-tested at 15 different points to ensure zero defects, resulting in uncompromising quality and performance.
- Eliminate guesswork with a complete kit that contains all the essential components for a seamless fuel system repair.
- Designed and assembled in an ISO 9001:2015 Certified Facility, guaranteeing industry-leading manufacturing quality and innovation.
The Alliant AP57005 Fuel Contamination Kit is your durable, efficient solution to regain vehicle reliability and safeguard long-term performance.