FRAME, CHASSIS, & MUDFLAPS

BESTfit Single Leaf Z Spring Fits Kenworth AG400L Suspension Rear Driver SideThe Z Spring is designed to fit the rear driver side, featuring a single leaf and measuring 3 inches in width. It has a short side of 24-1/8 inches and a long side of 16 inches...

BESTfit Single Leaf Z Spring Fits Peterbilt New Low Air Suspension Rear Passenger SideThe Z Spring is tailored for new low air suspension systems, fitting the rear passenger side. Constructed with a single leaf and measuring 3 inches in width, it has a...

BESTfit Single Leaf Z Spring Fits Peterbilt New Low Air Suspension Rear Driver SideThe Z Spring is designed specifically for low air suspension systems, intended for the rear driver's side. It features a single leaf construction with a width of 3 inches...

BESTfit Rear 2 Leaf Z Spring Fits Peterbilt 300 Series 2004 & OlderThe 2 Leaf Z Spring features a Z spring design with no spring eye, measuring 3.50 inches in width and consisting of 2 leaves with an SS arch. This aftermarket replacement part, not OEM,...

BESTfit Rolling Lobe Air Spring AssemblyThe Air Spring is of the rolling lobe type and is sold individually as an aftermarket replacement part, not OEM. It replaces OE Number W01-358-9203. This item ships directly from the manufacturer and may arrive in...

BESTfit Air Bag For Freightliner FAS 1 Suspension SystemThe Air Spring is a double convoluted type and is sold individually as an aftermarket replacement part, not OEM. This item ships directly from the manufacturer and may arrive in a separate package...

BESTfit Rotational Bushing fits Freightliner Airglide SuspensionThe Poly Bushing is a rotational type designed for Airglide 10 systems, with an 8.00-inch length, 3.00-inch taper, and 1-1/4 inch -12 threads. It has a maximum width of 2.750 inches and is...

BESTfit Shock Bracket StudThe Shock Bracket Stud is designed for the lower position of the T2000 Front assembly. It features M16 - 2.00 and M20 - 2.50 thread sizes with an overall length of 220.50MM. Sold individually, this aftermarket replacement part...

BESTfit Leaf Spring - Replaces 20QE3126, 20QE3126P2, 03-06212 & 3130560The 2 Leaf Parabolic Spring, characterized by its parabolic spring type and two leaves, features standard eye types on both ends. It boasts a width of 4 inches, with a spring eye (S.E...

BESTfit 3/4 X 4 X 8.875 Inch U-Bolt Kit Fits VolvoThe U Bolt Kit features a square bend design with Grade 8 specifications, boasting a 3/4-inch diameter for robust fastening. Its dimensions include a width of 4.000 inches and a length of 8.875 inches,...

BESTfit Air Bag Fits AG100 8 Bag Air Suspensions For KenworthThe Air Spring is engineered with a maximum height of 11.40 inches and features threads of 1/4 - 18 NPTF and 1/2 - 13 UNC. It boasts center-to-center measurements of 5.69 inches and 4.12 inches...

BESTfit Spring Hanger For 4 Inch Spring Fits Peterbilt 379The Spring Hanger is designed for either the driver or passenger side and is positioned at the rear of the front suspension. It accommodates a 4.0-inch spring with a bolt height of 6-1/4 inches...