Alliant Power AP63644 is a remanufactured high-pressure fuel pump (HPFP) kit for the 2007-2010 Navistar MaxxForce 7 with pre-2010 emissions.
The kit includes the pump and the installation kit. It replaces Navistar 4307291R91, 1876529C98 and 1855860C94.
See Alliant Technical Bulletin APTB 09/16 for connector spacer removal and zip tie installation. Post-2010 emission engines take AP63646.
Confirm Fitment Before You Order
Call 530-668-0818 with your VIN or engine serial number and we will confirm it is the right part before anything ships.
Specifications
| Part number | AP63644 |
|---|---|
| Brand | Alliant Power |
| Condition | Remanufactured |
| Emissions | Pre-2010 emission engines |
| Install bulletin | Alliant Technical Bulletin APTB 09/16 |
| Core charge | Refundable in full when we receive your rebuildable core |
| Shipping weight | 33 lb |
Fits / Applications
- Navistar MaxxForce 7, 2007 to 2010, pre-2010 emission engines
Part Numbers & Cross Reference
Navistar 4307291R91 · Navistar 1876529C98 · Navistar 1855860C94
In the Box
- Remanufactured high-pressure fuel pump
- Installation kit
Frequently Asked Questions
Does AP63644 come with the installation kit?
Yes. Alliant says it includes the pump and the installation kit. The installation kit alone is AP0072.
My MaxxForce 7 has post-2010 emissions. Which kit do I need?
Alliant lists AP63646 for 2010-2016 post-2010 emission engines.
Is there an install bulletin?
Yes. Alliant Technical Bulletin APTB 09/16 covers connector spacer removal and zip tie installation.
Ships by UPS to all 50 states, including Alaska and Hawaii. Your rate shows at checkout. A refundable core charge is added at checkout.



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