- 1999–2002 Factory-verifiedGM Heritage factory kit — 2000 Chevrolet Cavalier, p.43.GM Heritage factory kit — 2002 Chevrolet Cavalier, p.22.
FY1 Factory-verified
Also described as Final drive ratio 3.63Ratio, transaxle final drive, 3.63
Also documented for PontiacSaturn
Documented applications
- 2005–2009 Factory-verifiedGM Heritage factory kit — 2005 Chevrolet Cobalt, p.40.GM Heritage factory kit — 2007 Chevrolet Cobalt, p.29.
- 2009 Factory-verified
- 2004–2008 Factory-verified
shared Epsilon code (Saturn Aura).
GM Heritage factory kit — 2005 Chevrolet Malibu, p.22.GM Heritage factory kit — 2006 Chevrolet Malibu, p.28.GM Heritage factory kit — 2007 Chevrolet Malibu, p.28.
- 2008–2009 Factory-verified
This page aggregates every documented appearance of FY1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.