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Thumbnail Filmstrip of 2017-2026 6.6L L5P Duramax L5D Fuel Injector Installation Kit - Cylinders 2,4,5,7 Alliant AP0131 Images
The Alliant Power AP0131 is a new fuel injector installation kit (cylinders 2, 4, 5 & 7) for 2017–2023 GM L5P/L5D Duramax applications.
Features & Benefits
- New Alliant Power Fuel Injector Installation Kit (Cylinders 2, 4, 5 & 7) (Alliant P/N AP0131)
- Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
- Direct replacement for 12685923 / 12687229 / 12720156
- Backed by Alliant Power’s 24-month, unlimited-mileage warranty
Application
- Chevrolet Silverado 2500 HD / Silverado 3500 HD (2017–2023)
- GMC Sierra 2500 HD / Sierra 3500 HD (2017–2023)
- Chevrolet Silverado 4500 HD / Silverado 5500 HD / Silverado 6500 HD (2019–2023)
Always verify fitment against your VIN, engine, and OE part number before ordering.
Cross-Reference / Replaces
- General Motors: 12685923, 12687229, 12720156
- Alliant Power: AP0131
Warranty: Alliant Power’s standard warranty: 24 months with unlimited miles/hours on installed parts (Alliant Power warranty policy, rev. Aug 2025).
The Alliant Power AP0131 is a new fuel injector installation kit (cylinders 2, 4, 5 & 7) for 2017–2023 GM L5P/L5D Duramax applications.
Features & Benefits
New Alliant Power Fuel Injector Installation Kit (Cylinders 2, 4, 5 & 7) (Alliant P/N AP0131)
Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
Direct replacement for 12685923 / 12687229 / 12720156
Backed by Alliant Power’s 24-month, unlimited-mileage warranty
Application
Chevrolet Silverado 2500 HD / Silverado 3500 HD (2017–2023)
GMC Sierra 2500 HD / Sierra 3500 HD (2017–2023)
Chevrolet Silverado 4500 HD / Silverado 5500 HD / Silverado 6500 HD (2019–2023)
Always verify fitment against your VIN, engine, and OE part number before ordering.
Cross-Reference / Replaces
General Motors: 12685923, 12687229, 12720156
Alliant Power: AP0131
Warranty: Alliant Power’s standard warranty: 24 months with unlimited miles/hours on installed parts (Alliant Power warranty policy, rev. Aug 2025).[...]
The Alliant Power AP0131 is a new fuel injector installation kit (cylinders 2, 4, 5 & 7) for 2017–2023 GM L5P/L5D Duramax applications.
Features & Benefits
- New Alliant Power Fuel Injector Installation Kit (Cylinders 2, 4, 5 & 7) (Alliant P/N AP0131)
- Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
- Direct replacement for 12685923 / 12687229 / 12720156
- Backed by Alliant Power’s 24-month, unlimited-mileage warranty
Application
- Chevrolet Silverado 2500 HD / Silverado 3500 HD (2017–2023)
- GMC Sierra 2500 HD / Sierra 3500 HD (2017–2023)
- Chevrolet Silverado 4500 HD / Silverado 5500 HD / Silverado 6500 HD (2019–2023)
Always verify fitment against your VIN, engine, and OE part number before ordering.
Cross-Reference / Replaces
- General Motors: 12685923, 12687229, 12720156
- Alliant Power: AP0131
Warranty: Alliant Power’s standard warranty: 24 months with unlimited miles/hours on installed parts (Alliant Power warranty policy, rev. Aug 2025).