DAYCO 5040378K1
DAYCO part number 5040378K1 is a belt tensioner in the Belt Drive system. This catalog matches it to 16 year-and-engine configurations from 2002 to 2008.
Verified fitment includes 2008 Cadillac Escalade 6.2L V8 ; 2008 Hummer H2 6.2L V8 ; 2007 Cadillac Escalade 6.2L V8 ; 2007 Hummer H2 6.0L V8 ; 2007 Isuzu NPR 6.0L V8 , plus 11 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is DAYCO 5040378K1?
DAYCO part number 5040378K1 is a belt tensioner with published application data for 16 vehicle configurations from 2002 to 2008. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does DAYCO 5040378K1 fit?
This catalog matches 5040378K1 to 16 year-and-engine configurations from 2002 to 2008. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is DAYCO 5040378K1 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. DAYCO 5040378K1 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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