Check the listing for details. Peterbilt DPF Box Bottom Replacement Step - 388 389 386. Condition: New. Listed at 135.00 USD. ALUMINUM BOTTOM REPLACEMENT STEP FOR '08-'10 PETERBILT DPF BOX - 31.5" **This is a bolt-on direct replacement; Simply cut off the old step, drill holes in the brackets and bolt on this new one!**Price is for one (1) stepReplaces lower step on DPF box ('08-'10 models only) 384, 386, 365, 367, 388, 389L 31-1/2" x W 7" x H 2" - Fits trucks with a DPF and without DEF/SCR. DOES NOT FIT TRUCKS WITH DEF SYSTEMS.Made in USAThe most economical fix for your broken/damaged step!FREE ShippingWe have Replacement Steps for Peterbilt battery boxes, toolboxes, DPFs, and fuel tanks! These are the BEST Peterbilt steps available on eBay! Why?Made in America with high-grade American metals by an American company. We are one of the ONLY sellers selling these steps on eBay that is NOT based in China. EOtruckandtrailer com