Description:

Compatible with or fits: (Note: Downstream) 2003 - 2004 Chevy S10 4.3L V6 VIN: X FI Naturally Aspirated GAS (Note: Downstream) 2002 Chevy S10 4.3L V6 VIN: W FI Naturally Aspirated GAS. Compatible with or fits: (Note: Upstream Left) 2003 - 2004 Chevy S10 4.3L V6 VIN: X FI Naturally Aspirated GAS. Compatible with or fits: (Note: Upstream Left) 2002 Chevy S10 4.3L V6 VIN: W FI Naturally Aspirated GAS. Compatible with or fits: (Note: Upstream Right) 2003 - 2004 Chevy S10 4.3L V6 VIN: X FI Naturally Aspirated GAS. Compatible with or fits: (Note: Upstream Right) 2002 Chevy S10 4.3L V6 VIN: W FI Naturally Aspirated GAS.