NATIONAL 3604
NATIONAL part number 3604 is a differential pinion seal in the Drivetrain system. This catalog matches it to 58 year-and-engine configurations from 1991 to 2024.
Verified fitment includes 2024 Ford Expedition 3.5L V6 Turbocharged ; 2024 Ford F-150 2.7L V6 Turbocharged ; 2024 Ford F-150 3.5L V6 ELECTRIC/GAS Turbocharged ; 2024 Ford F-150 3.5L V6 Turbocharged ; 2024 Ford F-150 5.0L V8 , plus 53 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is NATIONAL 3604?
NATIONAL part number 3604 is a differential pinion seal with published application data for 58 vehicle configurations from 1991 to 2024. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does NATIONAL 3604 fit?
This catalog matches 3604 to 58 year-and-engine configurations from 1991 to 2024. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is NATIONAL 3604 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. NATIONAL 3604 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.
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