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When your GM 3.0L Duramax LM2 engine suffers from fuel system contamination—whether from Diesel Exhaust Fluid (DEF), water, or gasoline—the internal damage is often more extensive than it appears. Because modern high-pressure common rail systems operate under extreme tolerances, even microscopic debris can cause catastrophic failure of the injectors and pumps. A simple system flush is rarely sufficient to guarantee long-term reliability; instead, a comprehensive restoration is required to prevent metallic shavings or chemical contaminants from recirculating and causing a repeat breakdown. The Alliant AP57024 Contamination Kit provides a professional-grade solution to restore your engine to factory specifications, ensuring the integrity of your fuel delivery system and protecting your investment from further mechanical degradation.
- Comprehensive Restoration: This all-in-one kit includes every vital component necessary for a full fuel system replacement, eliminating the guesswork and logistical delays of sourcing individual parts.
- Authentic Quality: Every part is 100% Genuine OE or an OE-equivalent validated component, ensuring your vehicle maintains the exact performance standards set by the manufacturer.
- Rigorous Testing: To guarantee "out-of-the-box" reliability, each fuel system component undergoes 100% end-of-line testing at 15 different pressure and flow points to ensure zero leaks and peak efficiency.
- Certified Production: Proudly assembled in the USA within an ISO 9001:2015 certified facility, the kit adheres to the highest international standards for quality management and manufacturing consistency.
- Industry-Leading Protection: Your repair is backed by a 3-year, unlimited-mile warranty, providing long-term peace of mind for high-mileage drivers and fleet operators alike.
By choosing the Alliant AP57024 Contamination Kit for your 2020–2022 Duramax, you are choosing a permanent fix over a temporary patch. This kit addresses the root cause of contamination-related failures by replacing the entire fuel path with components that have been tested to survive the most demanding conditions. Rather than risking the longevity of your LM2 engine with subpar alternatives, this kit provides the precise fitment and validated durability required to get your truck back on the road with total confidence. Invest in a solution that is built to last, tested for perfection, and designed specifically for the unique demands of your Duramax engine.
Includes In the Box:
- 1x Fuel Injection Pump Kit - Part # AP55216 that includes OE Equivalent# 40009053
- 3x Fuel Injectors Kits Cyl 1,2,4 -Part # AP55129 that includes OE Equivalent# 55506244
- 3x Fuel Injectors Kits Cyl 3,5,6 -Part# AP55130 that includes OE Equivalent# 55506244
- 1x Fuel Cooler Assembly OE Equivalent# 84740502
- 1x Fuel Rail w/ Pressure Sensor & Relief Valve OE Equivalent# 55505909
- 1x Fuel Pump in Tank OE Equivalent# 86507850
- 1x Fuel Filter Assembly OE Equivalent# 13543066
- 1x Fuel Return Line OE Equivalent# 55515929
- 1x EGR Pipe Gasket OE Equivalent# 55497083
- 1x Seal OE Equivalent# 55496593
When your GM 3.0L Duramax LM2 engine suffers from fuel system contamination—whether from Diesel Exhaust Fluid (DEF), water, or gasoline—the internal damage is often more extensive than it appears. Because modern high-pressure common rail systems operate under extreme tolerances, even microscopic debris can cause catastrophic failure of the injectors and pumps. A simple system flush is rarely sufficient to guarantee long-term reliability; instead, a comprehensive restoration is required to prevent metallic shavings or chemical contaminants from recirculating and causing a repeat breakdown. The Alliant AP57024 Contamination Kit provides a professional-grade solution to restore your engine to factory specifications, ensuring the integrity of your fuel delivery system and protecting your investment from further mechanical degradation.
Comprehensive Restoration: This all-in-one kit includes every vital component necessary for a full fuel system replacement, eliminating the guesswork and logistical delays of sourcing individual parts.
Authentic Quality: Every part is 100% Genuine OE or an OE-equivalent validated component, ensuring your vehicle maintains the exact perfo[...]
When your GM 3.0L Duramax LM2 engine suffers from fuel system contamination—whether from Diesel Exhaust Fluid (DEF), water, or gasoline—the internal damage is often more extensive than it appears. Because modern high-pressure common rail systems operate under extreme tolerances, even microscopic debris can cause catastrophic failure of the injectors and pumps. A simple system flush is rarely sufficient to guarantee long-term reliability; instead, a comprehensive restoration is required to prevent metallic shavings or chemical contaminants from recirculating and causing a repeat breakdown. The Alliant AP57024 Contamination Kit provides a professional-grade solution to restore your engine to factory specifications, ensuring the integrity of your fuel delivery system and protecting your investment from further mechanical degradation.
- Comprehensive Restoration: This all-in-one kit includes every vital component necessary for a full fuel system replacement, eliminating the guesswork and logistical delays of sourcing individual parts.
- Authentic Quality: Every part is 100% Genuine OE or an OE-equivalent validated component, ensuring your vehicle maintains the exact performance standards set by the manufacturer.
- Rigorous Testing: To guarantee "out-of-the-box" reliability, each fuel system component undergoes 100% end-of-line testing at 15 different pressure and flow points to ensure zero leaks and peak efficiency.
- Certified Production: Proudly assembled in the USA within an ISO 9001:2015 certified facility, the kit adheres to the highest international standards for quality management and manufacturing consistency.
- Industry-Leading Protection: Your repair is backed by a 3-year, unlimited-mile warranty, providing long-term peace of mind for high-mileage drivers and fleet operators alike.
By choosing the Alliant AP57024 Contamination Kit for your 2020–2022 Duramax, you are choosing a permanent fix over a temporary patch. This kit addresses the root cause of contamination-related failures by replacing the entire fuel path with components that have been tested to survive the most demanding conditions. Rather than risking the longevity of your LM2 engine with subpar alternatives, this kit provides the precise fitment and validated durability required to get your truck back on the road with total confidence. Invest in a solution that is built to last, tested for perfection, and designed specifically for the unique demands of your Duramax engine.
Includes In the Box:
- 1x Fuel Injection Pump Kit - Part # AP55216 that includes OE Equivalent# 40009053
- 3x Fuel Injectors Kits Cyl 1,2,4 -Part # AP55129 that includes OE Equivalent# 55506244
- 3x Fuel Injectors Kits Cyl 3,5,6 -Part# AP55130 that includes OE Equivalent# 55506244
- 1x Fuel Cooler Assembly OE Equivalent# 84740502
- 1x Fuel Rail w/ Pressure Sensor & Relief Valve OE Equivalent# 55505909
- 1x Fuel Pump in Tank OE Equivalent# 86507850
- 1x Fuel Filter Assembly OE Equivalent# 13543066
- 1x Fuel Return Line OE Equivalent# 55515929
- 1x EGR Pipe Gasket OE Equivalent# 55497083
- 1x Seal OE Equivalent# 55496593