View 0 Photos View 0 Videos 2004 Peterbilt 378 Fuse Box $848 USD (USED) Peterbilt 378 Engine : CAT C15 Transmission: FULLER MOUNTS TO FIRE WALL, DOES NOT INCLUDE WIRING ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Stock Number26030513 MLS Number14479494CategoryFuse Boxes & Panels Last Updated7/24/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info