Fitment(Upstream):
For GMC Sierra 2500 5.3L 1999-2000
For GMC Yukon 4.8L/5.3L/5.7L 2000-2002
For Chevy S10 Blazer 4.3L 1994
For GMC Jimmy 4.3L 1998-2001
For Chevy C1500 Suburban 5.7L 1996-1999
For Chevy C2500 Suburban 5.7L 1996
For Chevy K1500 Suburban 5.7L 1996-1999
For Chevy K2500 Suburban 5.7L 1996
For Chevy Express 1500/2500 4.3L/5.0L/5.7L 1996-2002
For Chevy Corvette 5.7L 1994-2003
For Chevy Camaro 3.8L/5.7L 1994-1997
For Chevy Caprice 4.3L/5.7L 1994-1996
For Chevy Corsica 3.1L 1994-1996
For Chevy Monte Carlo 3.1L/3.4L 1995-1996
For Chevy P30 4.3L 1995
For Chevy Impala 5.7L 1994-1996
For Chevy Astro 4.3L 1996-1997
For Chevy Beretta 3.1L 1994-1996
For Chevy Lumina APV 3.4L/3.8L 1994-1996
For GMC C1500 Suburban 5.7L 1996-1999
For GMC C2500/K2500 Suburban 5.7L 1996
For GMC K1500 Suburban 5.7L 1996-1999
For GMC G3500 5.7L 1996
For GMC Safari 4.3L 1996-1997
For GMC Savana 1500/2500 4.3L/5.0L/5.7L 1996-2002
For GMC Sonoma 4.3L 1994-2001
For Cadillac Fleetwood 5.7L 1993-1996
For Isuzu Hombre 4.3L 1997-2000
For Isuzu VehiCROSS 3.5L 2000-2001
For Pontiac Firebird 3.8L/5.7L 1994-1997
For Buick LeSabre 3.8L 1994-1996
For Oldsmobile Achieva 3.1L 1994-1996
For Acura SLX 3.2L/3.5L 1996-1999
For Honda Passport 2.6L/3.2L 1996-2000
For Isuzu Amigo 2.2L/3.2L 1998-2000
Note: Check Other Upstream O2 Sensor Models on Top Left.

Fitment(Downstream):
For Chevy Camaro 3.8L 1995
For Chevy Corvette/Impala 5.7L 1996
For GMC Sonoma 2.2L/4.3L 1996-2001
For Isuzu Hombre 2.2L/4.3L 1996-2000
For Isuzu Trooper 3.2L/3.5L 1996-1999
For Isuzu VehiCROSS 3.5L 1999-2001
For Daewoo Leganza 2.2L 1999-2002
For Daewoo Lanos 1.6L 1999-2002
For Chevy Caprice 4.3L/5.7L 1996