This is the Alliant Power AP0004, a new O-ring and gasket kit for the engine oil cooler. Alliant lists it for the 1994 to 2003 Ford 7.3L Power Stroke in the F-Series, Excursion and E-Series, and for the 1994 to 2003 International T444E.
Alliant says this kit is required to install the engine oil cooler. Its catalog names it on the Alliant Power AP63452 oil cooler, which does not come with it.
Alliant’s picture of the kit shows four O-rings and two gaskets. It replaces Ford F4TZ6A636A, F7TZ6A636AAA, 1C3Z6C610BA and 1C3Z6K649BA.
Confirm Fitment Before You Order
This kit is for the engine oil cooler on the 7.3L Power Stroke and the T444E. Send us your VIN or 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 | AP0004 |
| Brand | Alliant Power |
| Condition | New, genuine, in original packaging |
| Warranty | Manufacturer’s own warranty applies. Call us and we handle the claim. |
| Type | Engine oil cooler O-ring and gasket kit |
| Engines | Ford 7.3L Power Stroke, International T444E |
| Model years | 1994 to 2003 |
| Replaces Ford | F4TZ6A636A, F7TZ6A636AAA, 1C3Z6C610BA, 1C3Z6K649BA |
| As pictured | Four O-rings and two gaskets |
| Used with | Alliant Power AP63452 engine oil cooler |
| Alliant technical bulletin | APTB 04/11 |
| Shipping weight | 0.2 lb |
Fits / Applications
- Ford F-Series, Excursion and E-Series 7.3L Power Stroke, 1994 to 2003
- International T444E, 1994 to 2003
- One kit per oil cooler
Follow the workshop manual for your engine when you fit this part.
Part Numbers & Cross Reference
Alliant Power AP0004 · Ford F4TZ6A636A · Ford F7TZ6A636AAA · Ford 1C3Z6C610BA · Ford 1C3Z6K649BA
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
When do I need it?
Whenever the engine oil cooler is fitted. Alliant says the kit is required for oil cooler installation, and its catalog names it on the AP63452 oil cooler.
Does the AP63452 oil cooler come with it?
No. Alliant lists the kit as a separate part that the cooler requires for installation.
What is in the kit?
Alliant’s picture shows four O-rings and two gaskets.
What numbers does it replace?
Ford F4TZ6A636A, F7TZ6A636AAA, 1C3Z6C610BA and 1C3Z6K649BA.
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. 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.



Reviews
There are no reviews yet.