3 0 Detroit Series 60 Muffler for a 1996 Peterbilt 378 Contact for price (Used) 1996 Peterbilt 378, MUFFLER- Side: Passenger Right Side, Engine: Detroit Series 60, Material: Steel, Dimensions: L=84", Reference images for condition, For more information about... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)1996Stock NumberP-112362 MLS Number13867925CategoryMufflers Last Updated10/4/2025 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info