LLY or LB7? [Archive] - Diesel Place : Chevrolet and GMC Diesel Truck Forums

: LLY or LB7?


D-Maxx
08-10-2004, 01:24 AM
I just got a new 04, how do I know what motor I have?

dwrat
08-10-2004, 04:46 AM
Your vin # will tell you. Look at the 8th digit, if its a 2 it's the LLY

BH in AZ
08-10-2004, 09:22 AM
.... and if it is a "1", then it is an LB7.

LB7 - 2001 through 2004.
LLY - 2004.5 on up.

(Start counting from the left most character.)