Frame & Chassis

BESTfit IROS Cast Air Beam Hanger Fits International ProStar* High Quality Air Beam Hanger* Made Of Aluminum Cast* 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 Dia* 5...

BESTfit U-Bolt Kit Fits InternationalRely on the BESTfit Semi-Round U-Bolt Kit to maintain your International truck's rear air spring support. This heavy-duty kit includes two semi-round U bolts, washers, and grade 8 nuts designed to replace 1610312C2,...

BESTfit Air Spring Rolling Lobe W/ Plastic Base Fits International ProStarEnsure your International ProStar operates with smooth, reliable suspension using the BESTfit Rolling Lobe Air Spring with Plastic Base. Capable of handling 5,900 lbs load at 80...

BESTfit Lower Shock Bracket For Rear Suspension Fits International* High Quality Shock Bracket* 4.100 Inch Width* 0.250 Inch * 0.670 Inch Hole* 6.900 Inch From Bracket To Center Hole* 0.525 Inch Center Hole* 3.00 Inch Bottom Width* Lower* Rear...

BESTfit Air Spring Fits International - Replaces 1670043C1 & 1686386C1* High Quality Air Spring* Rolling Lobe Type* 5900 Load At 80 PSI* 7500 Load At 100 PSI* 60 CPM Natural Frequency* Plastic Bottom Plate* Bracket Included* Air Bag Plate Included*...

BESTfit Grade 8 0.875 X 5.5 X 16.75 Inch U-Bolt W/ Round Bend Kit Fits International ProStar IROS Corporate Air Ride* High Quality U-Bolt Kit  - Kit Includes:  - (2) U Bolts (Round Bend)  - 16.750 Inch Length  - 6.00 Inch Of 7/8 Inch...

BESTfit Shock Bracket Fits International - Replaces 579637C1 & 579637C2* High Quality Shock Bracket* For Rear Axle Z-Spring (Not Included)* Driver Side* 5 Hole Mount * Dimensions:  - 10.5 Inch Overall Length   - 3.5 Inch Overall Width* Uses 1/2...

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 & 572112C2Reinforce the stability of your International truck's rear Z air springs with the BESTfit 6.75 Inch U-Bolt Top Plate, crafted for 3.5-inch Z spring applications. With...

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 SuspensionKeep your rear drive axle properly aligned on an International IROS Corporate Air Ride with the BESTfit 4 Degree Axle Saddle. Featuring a 4 cast pinion angle and...