OEM Ford Motorcraft Oil Fill Neck & Cap for 1994–2003 F250 F350 7.3L
This OEM Ford Motorcraft oil fill neck and cap is listed as new and fits 1994–2003 Ford F-250 and F-350 models with the 7.3L Powerstroke diesel (check the listing for details). It’s a replacement oil fill neck assembly designed to restore a proper seal at the oil fill point and help prevent leaks or contamination from a damaged or missing cap. Free shipping is included, and the item is sold in the eBay Motors category. Confirm exact fitment and included parts in the listing before purchase.
| Location | Central US |
| Shipping | Free shipping (check listing for details) |
| Seller |
backwoods_diesel
99.1% positive · 8768 feedback
|
| Listing | FixedPrice · Active |
| Start time | 2025-05-19T19:36:50.000Z |
| Color | Black |
| Item Diameter | 2 in |
| Items Included | Oil Filler Neck & Cap 94–03 F250 F350 7.3L Powerstroke Diesel |
| Manufacturer Part Number | 4C4Z-6783-AA, 4C4Z6783AA, EC-743, F3AZ-6766-B, F3AZ6766B |
| Material | Plastic, Rubber |
| Item Length | 5 in |
| Superseded Part Number | 4C4Z-6783-BA, F81Z-6763-AB |
| Vintage Part | No |
| Brand | Ford / Motorcraft |
| Type | Oil Filler Cap |
| Interchange Part Number | 11081, MO100, OC2321, 90005 |
| Manufacturer Warranty | 2 Years |
| OE/OEM Part Number | 4C4Z-6783-BA, F81Z-6763-AB, 3C3Z-6766-A, E9TZ-6766-A, FOAZ-6766-A, F3AE-6766-BA |
| Universal Fitment | No |
| Country/Region of Manufacture | United States |
| Finish | Matte, Unfinished |
| Performance Part | No |
| UPC | 031508278950 |
OEM Ford Motorcraft Oil Fill Neck & Cap 94–03 F250 F350 7.3L Powerstroke DieselRestore the oil fill system on your 7.3L Powerstroke with this OEM combo kit, including a genuine Ford 4C4Z-6783-AA oil filler neck pipe and a Motorcraft EC-743 oil cap. Whether you're replacing worn components or fixing a missing or leaking oil cap setup, this kit ensures proper sealing, fitment, and long-lasting durability.Kit Includes:(1) Ford Oil Filler Neck Pipe 4C4Z-6783-AA(1) Motorcraft Engine Oil Filler Cap EC-743 / F3AZ-6766-BOEM Part Numbers:Filler Neck:Ford: 4C4Z-6783-AAReplaces: 4C4Z-6783-BA, F81Z-6763-ABFiller Cap:Motorcraft: EC-743Ford: F3AZ-6766-AReplaces: 3C3Z-6766-A, E9TZ-6766-A, FOAZ-6766-A, F3AE-6766-BAAftermarket Interchange: 11081, MO100, OC2321, 90005UPC: 031508278950Fitment Applications:1994–2003 Ford F-250 Super Duty 7.3L Powerstroke Diesel1994–2003 Ford F-350 Super Duty 7.3L Powerstroke DieselSHIPPING IS FREE via USPS First Class / Ground Advantage to the lower 48 US states.Alaska, Hawaii, Puerto Rico, Guam, APO/FPO addresses will need to email for a shipping quote.CANADA, MEXICO, & ALL INTERNATIONAL BUYERS WILL NEED TO USE THE eBay GSP (GLOBAL SHIPPING PROGRAM)Thanks for looking, be sure to check out our other items!