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3.0 LM2 Duramax Contamination Kit – Alliant Power AP57024
Restore your 2020–2022 GM 3.0L Duramax LM2 fuel system the right way after contamination from DEF, gasoline, water, or debris. A simple flush is rarely enough—residual contaminants can circulate and destroy new components. The Alliant Power AP57024 Contamination Kit delivers a complete, professional-grade repair in one box so you can return the engine to factory performance and reliability.
Why This Kit?
- Replaces all critical high-pressure and low-pressure fuel system components damaged by contamination
- 100% genuine OE or OE-equivalent validated parts
- Assembled in the USA in an ISO 9001:2015 certified facility
- Every major component is 100% end-of-line tested at 15 points to ensure zero leaks and peak performance
- Backed by Alliant Power’s industry-leading 3-year / unlimited mileage warranty
Kit Includes
- Fuel Injection Pump Kit (AP55216 – OE equivalent 40009053)
- 6 Fuel Injectors (AP55129 ×3 for cylinders 1/2/4 + AP55130 ×3 for cylinders 3/5/6 – OE equivalent 55506244)
- Fuel Rail with Pressure Sensor & Relief Valve (OE equivalent 55505909)
- In-Tank Fuel Pump (OE equivalent 86507850)
- Fuel Cooler Assembly (OE equivalent 84740502)
- Fuel Filter Assembly (OE equivalent 13543066)
- Fuel Return Line (OE equivalent 55515929)
- EGR Pipe Gasket (OE equivalent 55497083)
- Seal (OE equivalent 55496593)
Fitment
2020–2022 Chevrolet Silverado 1500 & GMC Sierra 1500 with 3.0L Duramax LM2 (8th VIN digit “T”). Does not fit 2022.5+ LZ0 engines.
Protect your investment and avoid repeat failures. Order the Alliant Power AP57024 Contamination Kit and get your LM2 Duramax back to reliable service with a complete, tested solution.
3.0 LM2 Duramax Contamination Kit – Alliant Power AP57024
Restore your 2020–2022 GM 3.0L Duramax LM2 fuel system the right way after contamination from DEF, gasoline, water, or debris. A simple flush is rarely enough—residual contaminants can circulate and destroy new components. The Alliant Power AP57024 Contamination Kit delivers a complete, professional-grade repair in one box so you can return the engine to factory performance and reliability.
Why This Kit?
Replaces all critical high-pressure and low-pressure fuel system components damaged by contamination
100% genuine OE or OE-equivalent validated parts
Assembled in the USA in an ISO 9001:2015 certified facility
Every major component is 100% end-of-line tested at 15 points to ensure zero leaks and peak performance
Backed by Alliant Power’s industry-leading 3-year / unlimited mileage warranty
Kit Includes
Fuel Injection Pump Kit (AP55216 – OE equivalent 40009053)
6 Fuel Injectors (AP55129 ×3 for cylinders 1/2/4 + AP55130 ×3 for cylinders 3/5/6 – OE equivalent 55506244)
Fuel Rail with Pressure Sensor & Relief [...]
3.0 LM2 Duramax Contamination Kit – Alliant Power AP57024
Restore your 2020–2022 GM 3.0L Duramax LM2 fuel system the right way after contamination from DEF, gasoline, water, or debris. A simple flush is rarely enough—residual contaminants can circulate and destroy new components. The Alliant Power AP57024 Contamination Kit delivers a complete, professional-grade repair in one box so you can return the engine to factory performance and reliability.
Why This Kit?
- Replaces all critical high-pressure and low-pressure fuel system components damaged by contamination
- 100% genuine OE or OE-equivalent validated parts
- Assembled in the USA in an ISO 9001:2015 certified facility
- Every major component is 100% end-of-line tested at 15 points to ensure zero leaks and peak performance
- Backed by Alliant Power’s industry-leading 3-year / unlimited mileage warranty
Kit Includes
- Fuel Injection Pump Kit (AP55216 – OE equivalent 40009053)
- 6 Fuel Injectors (AP55129 ×3 for cylinders 1/2/4 + AP55130 ×3 for cylinders 3/5/6 – OE equivalent 55506244)
- Fuel Rail with Pressure Sensor & Relief Valve (OE equivalent 55505909)
- In-Tank Fuel Pump (OE equivalent 86507850)
- Fuel Cooler Assembly (OE equivalent 84740502)
- Fuel Filter Assembly (OE equivalent 13543066)
- Fuel Return Line (OE equivalent 55515929)
- EGR Pipe Gasket (OE equivalent 55497083)
- Seal (OE equivalent 55496593)
Fitment
2020–2022 Chevrolet Silverado 1500 & GMC Sierra 1500 with 3.0L Duramax LM2 (8th VIN digit “T”). Does not fit 2022.5+ LZ0 engines.
Protect your investment and avoid repeat failures. Order the Alliant Power AP57024 Contamination Kit and get your LM2 Duramax back to reliable service with a complete, tested solution.