This is the Alliant Power AP0129, a new high-pressure fuel pump (CP3) and EGR valve installation kit. Alliant lists it for the 2006 to 2007 6.6L Duramax LBZ in Silverado and Sierra trucks.
Alliant’s picture of the kit shows the gaskets and seals it holds. It covers the pump and the EGR valve, as Alliant names it.
It goes with the LBZ CP3 pumps on this site, listed under Related Parts.
Confirm Fitment Before You Order
Alliant lists this kit for the 2006 to 2007 Duramax LBZ only. Check the engine code on your truck (8th digit of the VIN) before you order. Call us if you are not sure. Call 530-668-0818 and we will confirm the exact match at no charge before anything ships.
Specifications
| Part number | AP0129 |
| Brand | Alliant Power |
| Condition | New, genuine, in original packaging |
| Warranty | Manufacturer’s own warranty applies. Call us and we handle the claim. |
| Type | High-pressure fuel pump (CP3) and EGR valve installation kit |
| Engine | 6.6L Duramax LBZ |
| Model years | 2006 to 2007 |
| Trucks | Chevrolet Silverado and GMC Sierra, as Alliant lists it |
| Shipping weight | 0.2 lb |
Fits / Applications
- Chevrolet Silverado and GMC Sierra 6.6L Duramax LBZ, 2006 to 2007
Follow the workshop manual for your engine when you fit this part.
Part Numbers & Cross Reference
Alliant Power AP0129
Cross-reference numbers can change with engine serial, build year and emissions tier, so treat this list as a starting point. Send us your engine serial number and we will confirm the exact match against your build before anything ships. That check is free and takes a few minutes.
Frequently Asked Questions
Will the AP0129 fit my truck?
Alliant lists it for the 2006 to 2007 6.6L Duramax LBZ in Silverado and Sierra trucks. Call 530-668-0818 with your VIN and we will confirm it.
Which pump does it go with?
The LBZ CP3 pump. Our LBZ pumps are listed under Related Parts on this page.
What is in the kit?
Alliant’s picture shows the gaskets and seals in the kit. Call us if you need the full list.
Related Parts
- 2006-2010 Chevy/GMC 6.6L Duramax LBZ & LMM CP3 High-Pressure Fuel Pump | Bosch 0445020105 New
- 2006-2010 Chevy/GMC 6.6L Duramax LBZ/LMM Remanufactured CP3 Injection Pump | Bosch 0 986 437 332
Why Buy From Valley Fuel Injection
We are a diesel fuel-injection and turbocharger shop in Woodland, CA, rebuilding pumps, injectors and turbos on our own benches since 1993, not a drop-ship storefront. Call us with your engine serial, VIN or build date before you order and we will help you confirm fitment, so the right part arrives the first time.
UPS to all 50 states, including Alaska and Hawaii. Your rate shows at checkout. Questions on fitment? Call 530-668-0818.
Pricing covers the unit itself. Any applicable sales tax is additional; shipping is calculated at checkout. Buying tax-exempt? Qualifying diesel repair shops, fleets, farms, and agricultural operations can purchase tax-free. Set up tax-exempt purchasing once and every qualifying order is tax-free going forward.




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