Description:

Compatible with or fits: (Note: Left; Position: Upstream Left) 2004 Ford F-150 Heritage 4.2L V6 VIN: 2 FI Naturally Aspirated GAS. Compatible with or fits: 2004 Ford F-150 Heritage 4.6L V8 VIN: W FI Naturally Aspirated GAS. Compatible with or fits: (Note: Right; Position: Upstream Right) 2004 Ford F-150 Heritage 4.2L V6 VIN: 2 FI Naturally Aspirated GAS. Compatible with or fits: 2004 Ford F-150 Heritage 4.6L V8 VIN: W FI Naturally Aspirated GAS. Review Description to Ensure Proper Fit.