NATIONAL 3103
NATIONAL part number 3103 is a crankshaft seal in the Engine system. This catalog matches it to 136 year-and-engine configurations from 1958 to 2016.
Verified fitment includes 2016 Ford Focus 2.0L L4 ; 1976 Jensen Interceptor 7.2L V8 ; 1975 Jensen Interceptor 7.2L V8 ; 1974 Bristol 411 6.6L V8 ; 1974 Jensen Interceptor 7.2L V8 , plus 131 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is NATIONAL 3103?
NATIONAL part number 3103 is a crankshaft seal with published application data for 136 vehicle configurations from 1958 to 2016. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does NATIONAL 3103 fit?
This catalog matches 3103 to 136 year-and-engine configurations from 1958 to 2016. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is NATIONAL 3103 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. NATIONAL 3103 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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