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.

USD 27.95
Condition: see listing
LocationCentral US
ShippingFree shipping (check listing for details)
Seller backwoods_diesel
99.1% positive · 8768 feedback
ListingFixedPrice · Active
Start time2025-05-19T19:36:50.000Z
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OEM Ford Motorcraft Oil Fill Neck & Cap for 1994–2003 F250 F350 7.3L Specs
ColorBlack
Item Diameter2 in
Items IncludedOil Filler Neck & Cap 94–03 F250 F350 7.3L Powerstroke Diesel
Manufacturer Part Number4C4Z-6783-AA, 4C4Z6783AA, EC-743, F3AZ-6766-B, F3AZ6766B
MaterialPlastic, Rubber
Item Length5 in
Superseded Part Number4C4Z-6783-BA, F81Z-6763-AB
Vintage PartNo
BrandFord / Motorcraft
TypeOil Filler Cap
Interchange Part Number11081, MO100, OC2321, 90005
Manufacturer Warranty2 Years
OE/OEM Part Number4C4Z-6783-BA, F81Z-6763-AB, 3C3Z-6766-A, E9TZ-6766-A, FOAZ-6766-A, F3AE-6766-BA
Universal FitmentNo
Country/Region of ManufactureUnited States
FinishMatte, Unfinished
Performance PartNo
UPC031508278950
Listing details

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!