Fender Trim For Peterbilt 579 models with 123″ BBC. Sold as a 4 piece set. Add to wishlist Part # : MD620 Categories: 579, 579 Accessories - 123" BBC, Other Accessories, Peterbilt Truck Parts & Accessories, Trim Accents Tags: bbc, peterbilt 579 fender trim ❮ ❯ Product Information Product Information Fender trim for Peterbilt 579 models with 123″ BBC. Made of durable stainless steel, the fender trim attaches using supplied 3M two-sided tape. Sold as a 4-piece set. For ordering or pricing information, please visit your local Peterbilt dealership. II3M-2