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View Full Version : What type engine?

sc99z71
08-24-2009, 12:23 PM
How do I find out what type engine I have? I have the 99 Silverado 5.3 but when looking up parts online some places specify whether it is a LM7 engine or not......can I get it from the VIN? Thanks!
vms4evr
08-24-2009, 12:35 PM
On my 06 to find out which 5.3L I have it is digit # 6 or 8 that tells which variation. It is stated in the owners manual.
99'HEARTBEAT
08-24-2009, 12:37 PM
In the Glove Box there are a series of Letters and Numbers these are RPO Codes.They will tell you what was put on your truck,The RPO Code for a 5.3 is LM7.
sc99z71
08-24-2009, 02:36 PM
Cool....thanks!!!!