GMC GIANNI
Newbie
i have a 1989 gmc k2500 6.2 J vin truck. i am trying to buy engine oil cooler lines. i cannot find out how to tell if i have heavy duty cooling or not...
Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission.
What is the RPO code for "heavy duty cooling", and is that code listed on the sticker in the glovebox?