Peterbilt 357/378 Leaf Springs, Hangers & Acc.

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 0.09375 Inch Thick Adjustment Shim * High Quality Adjustment Shim* 1-3/4 Inch Center To Center* 3/32 Inch Thick* Low Mount * Air Leaf* Sold Individually* Warranty On Adjustment Shims Against Defects In Workmanship & Material From Date Of...

BESTfit 0.0625 Inch Thick Adjustment Shim * High Quality Adjustment Shim* 1-3/4 Inch Center To Center* 1/16 Inch Thick* Low Mount * Air Leaf* Sold Individually* Warranty On Adjustment Shims Against Defects In Workmanship & Material From Date Of...

BESTfit Spring Hanger Assembly Includes Wear Pad Kit * High Quality Air Trac Hanger* Includes Wear Pad Kit* Front Of Rear* Air Trac* Sold As Kit* Warranty On Air Trac Hangers Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...

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 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 Rear Of Front Shackle Hanger * High Quality Shackle Hanger* Driver Or Passenger Side * Rear Of Front* Includes Silent Block 5-7/16 In Pin Center To Center* Cast* Sold Individually* Warranty On Shackle Hangers Against Defects In Workmanship &...

BESTfit Rear Of Front Shackle Hanger * High Quality Shackle Hanger* Driver Or Passenger Side * Rear Of Front* Includes Threaded Bushing* Cast* Sold Individually* Warranty On Shackle Hangers Against Defects In Workmanship & Material From Date Of...

BESTfit 5.4375 Inch Center To Center Silent Block Pin * High Quality Silent Block* Bushing (Type 1) Silent Block* Bushing (Type 2) Bolt Type* Sleeve Type High Confinement* SRI RB328* Bushing I.D. (A) 1.063 Inch* Bushing O.D. (B) 1.750 Inch* Overall...