This is the Alliant Power AP0149, a new high-pressure oil rail adapter. Alliant also calls it the high-pressure oil rail ball tube. It replaces Navistar 1841923C98.
Alliant lists it for the 2004 to 2006 International DT466, DT570 and HT570, the 2007 to 2014 MaxxForce DT, 9 and 10, and the 2015 to 2017 N9 and N10.
Alliant says its AP0148 oil rail adapter socket is required to install it. The socket is a separate part number. This adapter is sold each.
Confirm Fitment Before You Order
Alliant lists this adapter for the engines named on this page. Send us your engine serial number before you order. Call 530-668-0818 and we will confirm the exact match at no charge before anything ships.
Specifications
| Part number | AP0149 |
| 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 oil rail adapter (ball tube) |
| Engines | International / Navistar DT466, DT570, HT570, MaxxForce DT, MaxxForce 9, MaxxForce 10, N9, N10 |
| Model years | 2004 to 2017 |
| Replaces International | 1841923C98 |
| Needed to install | Alliant Power AP0148 oil rail adapter socket, a separate part number |
| Quantity | Sold each |
| Shipping weight | 0.3 lb |
Fits / Applications
- International DT466, DT570 and HT570, 2004 to 2006
- International MaxxForce DT, 9 and 10, 2007 to 2014
- International N9 and N10, 2015 to 2017
- Sold each
Alliant says its AP0148 oil rail adapter socket is required for installation. Follow the workshop manual for your engine.
Part Numbers & Cross Reference
Alliant Power AP0149 · Navistar 1841923C98. Alliant’s page also lists 2522072C91.
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 AP0149 fit my engine?
Alliant lists it for the 2004 to 2006 DT466, DT570 and HT570, the 2007 to 2014 MaxxForce DT, 9 and 10, and the 2015 to 2017 N9 and N10. Call 530-668-0818 with your engine serial number and we will confirm it.
Do I need a special tool?
Yes. Alliant says its AP0148 oil rail adapter socket is required for installation. Call us if you need the socket.
How many come in the box?
One. The adapter is sold each.
Related Parts
- International DT466 G2.9 Fuel Injector, 2004 Low HP (210-225 hp) | Alliant Power AP66976 Remanufactured
- International DT466 G2.9 Fuel Injector, 2004 High Torque & 2005 | Alliant Power AP66977 Remanufactured
- International DT466 G2.9 BANG Fuel Injector, 2006 (210-285 hp) | Alliant Power AP66989 Remanufactured
- International MaxxForce DT G2.9 Fuel Injector | Alliant Power AP66918 Remanufactured (2007-2010, 210-300 hp)
- International MaxxForce DT G2.9 Fuel Injector | Alliant Power AP66955 Remanufactured (2010-2014, 215-300 hp)
- International DT570 G2.9 Fuel Injector, 2004-2005 (285-330 hp) | Alliant Power AP66978 Remanufactured
- 2004-2017 International DT466, DT570 & MaxxForce High-Pressure Oil Rail Adapter Socket | Alliant Power AP0148 New
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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