Description
Interchange Part Number：12707876 12665337 12689503
New Driver’s side (Left) LTx engine 3 pin Fuel rail wiring harness.
Fits LT1, L83, L86, LT4, L84, L87, L8T with 3 pin Fuel rail pressure sensor.
Made from all new Factory GM connectors and high temp TXL wire to hold up longer than the OE harness. Covered in high temp fabric tape for heat and abrasion resistance.
Can also be used for engines going from a 4 pin pressure (14-16) sensor up to a 3 pin
