NATIONAL 5278
NATIONAL part number 5278 is a crankshaft seal in the Engine system. This catalog matches it to 12 year-and-engine configurations from 1983 to 2008.
Verified fitment includes 2008 Isuzu I-290 2.9L L4 ; 2008 Isuzu I-370 3.7L L5 ; 2007 Isuzu I-290 2.9L L4 ; 2007 Isuzu I-370 3.7L L5 ; 2006 Isuzu I-280 2.8L L4 , plus 7 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is NATIONAL 5278?
NATIONAL part number 5278 is a crankshaft seal with published application data for 12 vehicle configurations from 1983 to 2008. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does NATIONAL 5278 fit?
This catalog matches 5278 to 12 year-and-engine configurations from 1983 to 2008. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is NATIONAL 5278 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. NATIONAL 5278 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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