International (Navistar) Parts

Parts for International trucks built by Navistar, including the ProStar, LoneStar, LT, 9200, 9400 and 9900 highway tractors and the 4300, 4400 and 7000 series vocational trucks. For the Navistar rear axle see Navistar International differential parts.

Eaton Fuller transmissions for International trucks

Eaton Fuller manual transmissions are a common factory fit in International trucks, from the 6 speed in medium duty 4300s to the 10, 13 and 18 speed in highway and vocational tractors. Pick yours by speed: 9 speed, 10 speed, 13 speed, 15 speed and 18 speed, or see all Eaton Fuller transmissions. The model number is on the tag on the side of the transmission case; have it ready and we will match the exact unit.

International shift knobs and shift patterns

Replace a worn shifter with an Eaton Fuller shift knob, and find the gear pattern for your 9, 10, 13, 15 or 18 speed in our Eaton Fuller shift pattern diagrams.

Drivetrain parts for International trucks

The axles, clutch and driveline under a International are built by the same component makers we stock every day. Browse differentials, differential parts, transmission parts, clutches, driveshafts and power take offs.

International chassis, brake and cab parts

Replacement parts by system: cab and chassis parts, suspension and axle parts, brake parts, air system parts, electrical parts and heating and A/C parts.

Not sure what fits your truck? Call (877) 776-4600 with the part number off the old part, or the VIN and the tag off the unit, and our parts team will match it for you.