Front Automatic Transmission Oil Pump Seal for 1989-2010 Ford F-150 & More - National 3404

$16.99

National Automatic Transmission Oil Pump Seal 3404

Part number: 3404

UPC: 724956098705

Condition: New

Weight: 0.06 LBS

Item Package Quantity: 1

$16.99

Current Stock: 17

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National Automatic Transmission Oil Pump Seal P/N:3404

$16.99

Description

National 3404 front automatic transmission oil pump seal for the 1989-2010 Ford F-150 and other vehicles helps keep transmission fluid sealed inside at the oil pump.

Seals the automatic transmission oil pump to hold fluid in
Front position seal

Quick facts

Part: National 3404 automatic transmission oil pump seal
Fits: 1989-2010 Ford F-150 and other vehicles
Position: Front

A fluid leak at the front of the transmission or a falling fluid level can mean this seal is worn. Those signs alone do not prove the seal is the problem, since a leaking pan gasket can look much the same.

Fits

The 1989-2010 Ford F-150, the 1992-2004 Ford Mustang and the 1997-2006 Ford Expedition take this seal, along with many other vehicles. If your car is not named here, look for your own year and model in the "Vehicles it fits" section. A transmission takes a single seal.

Specifications

Position: Front
Quantity per application: 1

Interchange: FO-191
19839 · 19966 · B29609 · B37012

Manufacturer's description

Product specs

Vehicles it fits

Interchange numbers

This part cross-references / interchanges with the following part numbers:

FO-191, 19839, 19966, 3404, B29609, B37012

Buyer's Q&A

Frequently Asked Questions

Does National 3404 fit a 1989-2010 Ford F-150?

Yes, National 3404 is listed for the 1989-2010 Ford F-150, and each application takes one seal.

Is this transmission oil pump seal right for a 1992-2004 Ford Mustang?

Yes, the 1992-2004 Ford Mustang is on the fitment list for National 3404. For other cars, check the "Vehicles it fits" section.

Is the National 3404 oil pump seal a front or rear part?

National 3404 is a front-position automatic transmission oil pump seal, as the catalog lists it.

Does National 3404 interchange with FO-191?

Yes, FO-191 is one of the other-brand numbers that National 3404 replaces. The Interchange line lists the rest.

How do I tell if the oil pump seal is leaking?

Fluid showing at the front of the transmission or a falling fluid level can mean this seal is leaking. Other leaks look similar, so a shop can confirm the source.