2010-2011 International MaxxForce 7 B2FS Low-Pressure Turbocharger | Alliant Power AP90010 Remanufactured
This is the Alliant Power AP90010, the low-pressure turbocharger from the two-stage (compound) turbo system on the 2010 to 2011 International MaxxForce 7 6.4L, remanufactured by Alliant Power. It is a BorgWarner B2FS. It replaces BorgWarner 12749880078, 12749900078, 178904, 179338, 478904 and 479338, and Navistar 1889568C1, 1889568C2, 1889568C3, 1889568C91, 1889568C92, 1889568C93, 1897459C91, 1897459C92, 1897459C93, 5010808R91, 5010808R92 and 5010939R1.
The 2010 and later MaxxForce 7 runs two turbos in series, so low boost, slow spool, oil in the charge pipes or turbo noise can come from either one. Check both stages, the piping between them and the charge air cooler before you order. This listing is the low-pressure turbo only. The high-pressure turbo on this engine is a BorgWarner B1UG and is a different part. A refundable core applies to this remanufactured unit.
Confirm Fitment Before You Order
The two-turbo MaxxForce 7 has this B2FS low-pressure unit and a B1UG high-pressure unit, and they are different parts. Navistar 1889587C91, C92 and C93 are the complete two-turbo assembly: this listing replaces the low-pressure half only. MaxxForce 7 engines with a single turbo and an electronic actuator use a different turbo. Heavy and medium duty turbos are matched by the number on the turbo tag, so read the BorgWarner and Navistar numbers off your old unit before you order. Send us the tag numbers and the engine serial number and we will confirm the match. Call 530-668-0818 and we will confirm the exact match at no charge before anything ships.
Specifications
| Part number | AP90010 |
| Brand | Alliant Power |
| Condition | Remanufactured |
| Warranty | Alliant Power 24-month, unlimited-mileage warranty. |
| Type | Low-pressure stage turbocharger, remanufactured by Alliant Power |
| Turbo model | BorgWarner B2FS |
| Engine | International MaxxForce 7, 6.4L (catalog engine code V152) |
| Model years | 2010 to 2011 |
| System | Two-stage (compound) turbo system, low-pressure stage |
| Replaces BorgWarner | 12749880078, 12749900078, 178904, 179338, 478904, 479338 |
| Replaces Navistar | 1889568C1, 1889568C2, 1889568C3, 1889568C91 to C93, 1897459C91 to C93, 5010808R91, 5010808R92, 5010939R1 |
| Complete assembly numbers | Navistar 1889587C91, C92 and C93 are both turbos together. This is the low-pressure half. |
| Core charge | Refundable in full when we receive your rebuildable core |
| Shipping weight | 33 lb |
Fits / Applications
- International MaxxForce 7 6.4L, 2010 to 2011, low-pressure stage of the two-stage turbo system. For a 2012 engine, call us with the engine serial number before you order.
- Low-pressure turbo only. The B1UG high-pressure turbo is a separate part.
- Match the BorgWarner and Navistar numbers on your turbo tag before ordering
Find out why the old turbo failed before you fit this one. Change the engine oil and filter, check the oil feed and drain lines, prime the turbo with clean oil, and inspect the high-pressure turbo and the charge air cooler for oil and debris. Fit new gaskets and seals.
Part Numbers & Cross Reference
Alliant Power AP90010 · BorgWarner new 12749880078 · BorgWarner remanufactured 12749900078 · BorgWarner 178904 · BorgWarner 179338 · BorgWarner remanufactured 478904 · BorgWarner remanufactured 479338 · Navistar 1889568C1 · Navistar 1889568C2 · Navistar 1889568C3 · Navistar 1889568C91 · Navistar 1889568C92 · Navistar 1889568C93 · Navistar 1897459C91 · Navistar 1897459C92 · Navistar 1897459C93 · Navistar 5010808R91 · Navistar 5010808R92 · Navistar 5010939R1
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
Is the AP90010 the low-pressure or the high-pressure turbo?
It is the low-pressure turbo, a BorgWarner B2FS, from the two-turbo system on the 2010 to 2011 MaxxForce 7 6.4L. The high-pressure turbo is a B1UG with a different part number.
What numbers does the AP90010 replace?
BorgWarner 12749880078, 12749900078, 178904, 179338, 478904 and 479338, and Navistar 1889568C1, C2 and C3, 1889568C91 through C93, 1897459C91 through C93, 5010808R91, 5010808R92 and 5010939R1.
My paperwork shows Navistar 1889587C91. Is the AP90010 the right part?
1889587C91, C92 and C93 are the complete two-turbo assembly. The AP90010 replaces the low-pressure turbo in that assembly, and the B1UG high-pressure turbo is a separate part. Call 530-668-0818 with the numbers on your turbo tags and we will sort out which half you need.
Is the AP90010 new or remanufactured?
It is remanufactured by Alliant Power from a BorgWarner B2FS turbo. A refundable core applies, so your old turbo comes back to us. BorgWarner’s own numbers for the same turbo are 12749880078 new and 12749900078 remanufactured.
Related Parts
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. When you call, you talk to the people who test these units. We verify fitment against your engine serial, VIN or build date before anything ships, so the right part arrives the first time.
UPS to all 50 states, including Alaska and Hawaii. Your rate shows at checkout. A refundable core deposit is added at checkout and refunded in full when we receive your rebuildable core. Questions on fitment? Call 530-668-0818.
Pricing covers the unit itself. Any applicable sales tax and the refundable core charge are 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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