Browse Peterbilt 379 Suspension Crossmembers / K-Frames on MyLittleSalesman.com and compare listings with prices from $153 to $1,350. Sellers include LKQ Heavy Truck, Vriens Truck Parts, and Spalding Truck Parts. Filter by condition, price, or year to quickly narrow down to the right Peterbilt 379 Suspension Crossmember / K-Frame.