US$ 145.00
2L 2004 Saturn L300 2
3L | RPO ZN4 | (right side Fr engine bay comp)
0L V8 2004 GMC Yukon 4
2L V8 2015-2016 Cadillac Escalade 6
This lets us know what calibration the vehicle came with from the factory and what starter file to use to start building your tune
16214671 LT1 OEM Knock Module Model_C1500 2L 2004 Saturn L300 2LT1 OEM Knock Module. Fits 1996 Roadmaster, Fleetwood, Caprice, Corvette, and Impala SS. These are currently discontinued from General Motors, so stock is limited.