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Motorcraft  |  SKU: EC-743 & 4C4Z-6783-AA

OEM Ford Motorcraft Oil Fill Neck & Cap 94–03 F250 F350 7.3L Powerstroke Diesel

$27.95


Product Care information

At BackWoods Diesel, we ensure all parts are stored in a clean, dry, and temperature-controlled environment to prevent damage. Our team inspects each part for quality and maintains them according to manufacturer guidelines before shipping.

Delivery and Shipping

At BackWoods Diesel, we prioritize fast and reliable shipping. All orders are carefully packed and dispatched promptly to ensure your parts arrive safely and on time, so you can keep your projects running smoothly without delay.

We deliver top-quality parts with fast, reliable shipping so you can keep your diesel projects moving without missing a beat!

Description

Restore 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-B

OEM Part Numbers:
Filler Neck:
Ford: 4C4Z-6783-AA
Replaces: 4C4Z-6783-BA, F81Z-6763-AB

Filler Cap:
Motorcraft: EC-743
Ford: F3AZ-6766-A
Replaces: 3C3Z-6766-A, E9TZ-6766-A, FOAZ-6766-A, F3AE-6766-BA
Aftermarket Interchange: 11081, MO100, OC2321, 90005
UPC: 031508278950

Fitment Applications:
1994–2003 Ford F-250 Super Duty 7.3L Powerstroke Diesel
1994–2003 Ford F-350 Super Duty 7.3L Powerstroke Diesel

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Motorcraft

OEM Ford Motorcraft Oil Fill Neck & Cap 94–03 F250 F350 7.3L Powerstroke Diesel

$27.95

Restore 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-B

OEM Part Numbers:
Filler Neck:
Ford: 4C4Z-6783-AA
Replaces: 4C4Z-6783-BA, F81Z-6763-AB

Filler Cap:
Motorcraft: EC-743
Ford: F3AZ-6766-A
Replaces: 3C3Z-6766-A, E9TZ-6766-A, FOAZ-6766-A, F3AE-6766-BA
Aftermarket Interchange: 11081, MO100, OC2321, 90005
UPC: 031508278950

Fitment Applications:
1994–2003 Ford F-250 Super Duty 7.3L Powerstroke Diesel
1994–2003 Ford F-350 Super Duty 7.3L Powerstroke Diesel

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