View 0 Photos View 0 Videos 2002 Peterbilt 378 Cab Wiring Harness Newly Listed $606 USD (USED) Peterbilt 378 Engine Model: CAT C12 From: CAB Transmission Type: FULLER FR14210B To: ECM Ref# NA ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Part NumberNAStock Number25980910 MLS Number14318882CategoryCab Wiring Harnesses Last Updated4/18/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info