This is the Alliant Power AP63401, a new injection pressure regulator (IPR) valve with the edge filter. It replaces Ford F4TZ9C968C, F4TZ9C968CB and 2C3Z9C968BA and International 1824982C91, 1833798C91 and 1841279C91.
Alliant lists it by engine serial number: the Ford 7.3L Power Stroke up to serial 187,099, the International T444E from serial 500 through 216,543, and the International DT466E and I530E up to serial 998,705.
Later engines take the valve without the edge filter, AP63402. Alliant lists its AP0003 seal kit for this valve.
Confirm Fitment Before You Order
Order by engine serial number. Engines after the serial numbers on this page take the IPR valve without the edge filter, AP63402. 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 | AP63401 |
| Brand | Alliant Power |
| Condition | New, genuine, in original packaging |
| Warranty | Manufacturer’s own warranty applies. Call us and we handle the claim. |
| Type | Injection pressure regulator (IPR) valve, with edge filter |
| Engines | Ford 7.3L Power Stroke, International T444E, DT466E, I530E |
| Model years | 1994 to 1995.5 |
| Engine serial numbers | Ford 7.3L: up to 187,099. T444E: 500 through 216,543. DT466E, I530E: up to 998,705 |
| Replaces Ford | F4TZ9C968C, F4TZ9C968CB, 2C3Z9C968BA |
| Replaces International | 1824982C91, 1833798C91, 1841279C91 |
| Seal kit | Alliant Power AP0003 |
| Alliant technical bulletin | APTB 05/07 |
| Shipping weight | 0.7 lb |
Fits / Applications
- Ford F-Series and E-Series 7.3L Power Stroke, 1994 to 1995.5, engine serial up to 187,099
- International T444E, engine serial 500 through 216,543
- International DT466E and I530E, 1994 to 1995.5, engine serial up to 998,705
- Later engines take the valve without the edge filter, AP63402.
Follow the workshop manual for your engine when you fit this part.
Part Numbers & Cross Reference
Alliant Power AP63401 · Ford F4TZ9C968C · Ford F4TZ9C968CB · Ford 2C3Z9C968BA · International 1824982C91 · International 1833798C91 · International 1841279C91
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 IPR valve does my engine take?
Alliant splits them by engine serial number. This valve, with the edge filter, is for the Ford 7.3L up to serial 187,099, the T444E up to serial 216,543 and the DT466E and I530E up to serial 998,705. Later engines take AP63402. Call 530-668-0818 with your engine serial number and we will confirm it.
Does it have the edge filter?
Yes. This is the valve with the edge filter. The valve without it is AP63402.
What numbers does it replace?
Ford F4TZ9C968C, F4TZ9C968CB and 2C3Z9C968BA, and International 1824982C91, 1833798C91 and 1841279C91.
Is there a seal kit for it?
Yes. Alliant lists its AP0003 IPR valve seal kit for these engines.
Related Parts
- 1994-1995 Ford 7.3L Power Stroke & T444E High-Pressure Oil Pump (HPOP) | Bosch HP004X Remanufactured
- 1994-2003 Ford 7.3L Power Stroke, T444E & DT466E IPR Valve Seal Kit | Alliant Power AP0003 New
- Ford Power Stroke & International 2-Wire Pigtail for IPR Valve, HEUI Injector & VGT Actuator | Alliant Power AP0068 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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