Frame & Chassis

BESTfit IROS Aluminum Air Beam Hanger W/ 20MM-2.5 X 110MM Spring Eye Bolts* High Quality Air Beam Hanger* Made Of Aluminum* 13.750 Inch Outer Center To Center* 9.500 Inch Inner Center To Center* 3.650 Inch Center To Center Top To Bottom* 0.880 Inch Hole...

BESTfit Hanger Wear Pad Fits InternationalExtend the life and reliability of your International truck's rear suspension with the BESTfit Hanger Wear Pad, designed for Rear Z 3.5 Inch Air Springs and Corporate Suspensions. Crafted from high-quality...

BESTfit U-Bolt Top Plate Fits International - Replaces 16005070 & 572112C1 & 572112C2* High Quality U Bolt Top Plate* For 3.5 Inch Zin Spring* Air Suspension Only* Dimensions:  - 8.353 Inch Length  - 6.750 Inch C To C  - 3.375 Inch Width*...

BESTfit Shock Bracket Fits International - Replaces 579638C1 & 579638C2* High Quality Shock Bracket* For Rear Axle Z-Spring (Not Included)* Passenger Side* 5 Hole Mount * Dimensions:  - 10.5 Inch Overall Length   - 3.5 Inch Overall Width* Uses...

BESTfit Air Beam Axle Seat For Rear Of Rear Front Axle IROS Corporate Air Ride Suspension* High Quality Axle Seat* Air Ride* Rear Of Rear* Front Axle* 4 Cast Pinion Angle* 2.5 Loaded, -4 Measured Part Angle* Dimensions:  - 4.750 Inch Length  -...

BESTfit Torque Rod Fits International - Replaces 493920C3, 588117C91 & SB1474Reinforce your International truck's rear suspension with this BESTfit 18.125 Inch Torque Rod. This torque rod features a precise 18-1/8-inch center-to-center measurement, a...

BESTfit 2 Leaf Air Beam Spring Fits International Air Suspensions Driver Side* High Quality 2 Leaf Spring* Spring Type Air Beam* Spring Eye 1* Eye Type (S.E./L.E.) Standard/---* Width 3* S.E. (A) 25-1/4* L.E. (B) 19-1/2* Bushing A End (S.E.) Rb268,...

BESTfit U-Bolt Kit Fits International - Replaces 586593C1, 590575C1 & 590621C1* High Quality U-Bolt Kit* Kit Includes:  - (2) U-Bolts (Semi-Round Bend)  - 13.25 Inch Overall Length  - 4 Inch Of 3/4 Inch - 16 Thread  - 3.5 Inch...

Air Spring Fits International Rear New Corporate Air & IROS Suspensions By BESTfitMeet the demands of the road with the BESTfit Air Spring Replaces 3541731C1, designed for International trucks equipped with rear New Corporate Air or IROS suspension. This...

BESTfit Torque Rod Bushing Fits International - Replaces 57256* High Quality Torque Rod Bushing* 0.625 Inch* 2.467 Inch* 4.375 Inch* Sold Individually* Warranty On Torque Rod Bushings Against Defects In Workmanship & Material From Date Of Purchase***...

BESTfit 5.672 Center To Center Bushing For FAS II, IROS Corporate Airride & Spring Eye* High Quality Poly Bushing* FAS II Airliner, Iros Corporate Air Ride, Spring Eye* Bushing (Type 1) Silent Block* Bushing (Type 2) Straddle Lip Type* Sleeve Type High...

BESTfit 5.75 Inch OAL Bushing For InternationalThe BESTfit Premium Poly Spring Bushing is engineered for International Navistar Rear Corporate suspension. Constructed from high-quality poly, it combines Type 1 premium bushing design with Type 2 straddle...