This is the Alliant Power AP90912, an S300V variable geometry turbocharger remanufactured by Alliant Power and supplied with the electronic actuator fitted. It is the low mount turbo for the International DT466 and MaxxForce DT 7.6L inline six at the 225 hp rating. It takes the place of BorgWarner 179035 (new) and 479035 (remanufactured), turbo model S300V129. The Navistar numbers it replaces are 1831833C91, 1832204C91 to C94, 1850404C91 to C95 and C97, 1871090C91 to C93, 5010568R91 and 5010569R91.
The DT466 and MaxxForce DT were built with several S300V turbos (BorgWarner 179031, 179032, 179033 and 179036 as well as this 179035) and with B2UV turbos. Catalogs list each one under its own Navistar numbers, so match the number on your turbo tag before you order. Three catalogs date this turbo 2005 to 2012, and Alliant Power’s own vehicle list covers 2005 to 2009. Catalogs name the International 4300 and list International trucks and buses with these engines. A refundable core applies, so keep the old turbo complete.
Confirm Fitment Before You Order
Several S300V turbos (BorgWarner 179031, 179032, 179033, 179035, 179036) and the B2UV turbos (12639880001, 12639880002) were used on the DT466 and MaxxForce DT. AP90912 replaces only the 179035 / 479035 family. Send us the BorgWarner or Navistar number from your turbo tag and the engine serial number. Call 530-668-0818 and we will confirm the exact match at no charge before anything ships.
Specifications
| Part number | AP90912 |
| Brand | Alliant Power |
| Condition | Remanufactured |
| Warranty | Alliant Power 24-month, unlimited-mileage warranty. |
| Type | Remanufactured variable geometry turbocharger with actuator |
| Remanufactured by | Alliant Power |
| Turbo model | BorgWarner S300V (S300V129) |
| Mounting | Low mount |
| Engine | International DT466 / MaxxForce DT 7.6L inline six |
| Rating | 225 hp |
| Model years | 2005 to 2012 in three catalogs. Alliant Power’s own vehicle list covers 2005 to 2009 |
| Actuator | Electronic actuator included, fitted to the turbo |
| Replaces BorgWarner | 179035 (new), 479035 (remanufactured) |
| Matched by | Number on the turbo tag |
| Core charge | Refundable in full when we receive your rebuildable core |
| Shipping weight | 64 lb |
Fits / Applications
- International / Navistar DT466 and MaxxForce DT 7.6L, 225 hp, with the low mount S300V turbo, BorgWarner 179035 / 479035 family
- Three catalogs date it 2005 to 2012. Alliant Power’s own vehicle list covers 2005 to 2009, so go by the turbo tag
- International 4300 and other International trucks and buses with these engines
- Turbos tagged Navistar 1831833C91, 1832204C91 to C94, 1850404C91 to C95 or C97, 1871090C91 to C93, 5010568R91 or 5010569R91
- Turbos tagged BorgWarner 179035, 479035, 175243 or 175733
- Not listed for the B2UV turbos or for S300V turbos with other BorgWarner numbers
Find out why the old turbo failed before this one goes on. Check the oil feed and drain lines for coking or restriction, change the engine oil and filter, check the air filter and intake piping for dirt tracks, and pre-oil the turbo before the first start. Clear and recheck any boost or actuator fault codes after the install. Catalogs list the Alliant Power AP0170 turbo installation kit for this turbo. Ask us if you need it.
Part Numbers & Cross Reference
Alliant Power AP90912 · Alliant Power (also listed as) AP90012 · BorgWarner new 179035 · BorgWarner remanufactured 479035 · BorgWarner 175243 · BorgWarner 175733 · BorgWarner 475243 · BorgWarner 475733 · Navistar 1831833C91 · Navistar 1832204C91 · Navistar 1832204C92 · Navistar 1832204C93 · Navistar 1832204C94 · Navistar 1850404C91 · Navistar 1850404C92 · Navistar 1850404C93 · Navistar 1850404C94 · Navistar 1850404C95 · Navistar 1850404C97 · Navistar 1871090C91 · Navistar 1871090C92 · Navistar 1871090C93 · Navistar 5010568R91 · Navistar 5010569R91
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
Which BorgWarner turbo does AP90912 replace?
It is the Alliant Power remanufactured version of BorgWarner 179035, which BorgWarner also sells remanufactured as 479035. Older BorgWarner numbers in the same family are 175243 and 175733.
Will AP90912 fit any DT466 or MaxxForce DT?
No. It is for the 225 hp engines that carry the low mount 179035 family S300V turbo. Other S300V turbos (179031, 179032, 179033, 179036) and the B2UV turbos were used on the same engine family, so go by the number on the turbo tag.
Does AP90912 come with the actuator?
Yes. It is a remanufactured S300V turbocharger supplied with the electronic actuator fitted. A refundable core applies, so send the old turbo back complete.
What do you need from me to confirm the fit?
The BorgWarner or Navistar number from the turbo tag, for example 1832204C91, 1850404C91 or 5010569R91, and the engine serial number. Call 530-668-0818 if the tag is missing.
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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