Peterbilt 388 Frame & Chassis

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 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 Kenworth AG400L Suspension * High Quality Rear Drive Air Bag* Plastic Base* Rolling Lobe Style* Load (Lbs.) At 80 PSI 5640* Load (Lbs.) At 100 PSI 7070* Natural Freq. (Cpm) 65* Design Height Inch 16* Bottom Plate Type Steel* Top Plate...

BESTfit Air Bag For Peterbilt New Low Air Leaf Suspension * High Quality Rear Drive Air Bag* Plastic Base* Rolling Lobe Style* Load (Lbs.) At 80 PSI 5640* Load (Lbs.) At 100 PSI 7070* Natural Freq. (Cpm) 65* Design Height Inch 16* Bottom Plate Type...

BESTfit Premium Poly Bushing For Peterbilt Rear Air Leaf, Low Air Leaf & Air Trac Suspensions * High Quality Bushing* Made Of Poly* Rotational* 380/440 Series* Air Trac Models, Air Leaf Models* Bushing (Type 1) Premium Poly Bushing* Bushing (Type 2)...

BESTfit Heavy Duty Premium Poly Bushing * High Quality Bushing* Made Of Poly* Fleet Premium Heavy Duty* Fully Rotational* IROS Corporate Air Ride * 2.550 Inch Width* 5.650 Inch Center To Center* 0.813 Inch * Bushing (Type 1) Premium Poly Bushing* Bushing...

BESTfit Air Bag For Peterbilt Flex Air Suspension * High Quality Air Bag* Type Rolling Lobe* Load (Lbs.) At 80 PSI 5710* Load (Lbs.) At 100 PSI 7160* Natural Freq. (Cpm) 71* Design Height Inch 11.5* Bottom Plate Type Plastic* Top Plate Hole/Stud Qty 2*...

BESTfit Torque Arm Bushing Fits Peterbilt * High Quality Torque Arm Bushing* Non-Rebushable Ends* Shaft Diameter (A) 1-1/4* Side A Straddle* Side A Bushing Non-Rebushable* Side A Angle 0* Side B Straddle* Side B Bushing Non-Rebushable* Side B Angle 0*...

BESTfit Poly Bushing Fits Peterbilt Air Leaf Suspension * High Quality Bushing* Made Of Rubber* Fully Rotational* FAS II Airliner, Iros Corporate Air Ride, Spring Eye* Bushing (Type 1) Silent Block* Bushing (Type 2) Straddle Lip Type* Sleeve Type High...

BESTfit Leveling Valve Neway Replacement * High Quality Leveling Valve* Controlled Response Cr Hcv* With 1 Suspension Port* 1/8 Npt* Valve Only* Cr Type Without Dump* With 1/4 In Fittings* Sold Individually* Warranty On Leveling Valves Against Defects In...

BESTfit Torque Rod Bushing Fits Peterbilt Air Leaf & Air Trac Suspensions * High Quality Torque Rod Bushing* 4.375 Inch Center To Center Bolt Holes* Sold Individually* Warranty On Torque Rod Bushings Against Defects In Workmanship & Material From Date Of...

BESTfit Torque Rod Bushing Fits Peterbilt Flex Air Suspensions * High Quality Torque Rod Bushing* 1.870 Inch* 4.375 Inch Center To Center* .640 Inch* Sold Individually* Warranty On Torque Rod Bushings Against Defects In Workmanship & Material From Date...