Highway and Heavy Parts - 4-Cylinder

ISB - 4-Cylinder

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ISB - 4-Cylinder - Air Intake & Exhaust System
HHP is ready to get your rig breathing right with a wide range of new and remanufactured aftermarket Exhaust Hardware Kits (complete with port sleeves), Exhaust Stud Kits, Exhaust Manifold Studs,...More Details »
ISB - 4-Cylinder - Cooling System
Why risk your engine when you don't have to? HHP is ready to help! We offer a wide range of new aftermarket and remanufactured diesel water pump assemblies, water pump repair kits, idler...More Details »
ISB - 4-Cylinder - Crankshaft, Seals, & Damper
HHP is ready to get you back on the road with a wide range of diesel crankshafts, seals and dampers to fit your heavy-duty needs. Still confused on what parts you need, or maybe the torque...More Details »
ISB - 4-Cylinder - Cylinder Head & Components
There is nothing more heartbreaking than getting a phone call from your machine shop telling you that the crack in your block cannot be fixed. You know you are going to be down for a while and...More Details »
ISB - 4-Cylinder - Gaskets & Gasket Sets
Ever get a box with 20+ gaskets just thrown in it? Get two gaskets that look similar but not sure exactly which one goes where? HHP has solved this issue! On top of receiving premium quality...More Details »
ISB - 4-Cylinder - Piston Kits & Components
HHP carries a wide range of new aftermarket and remanufactured diesel kits and components to keep your rig on the road. HHP purchases directly from OEM-suppliers so you can save up to 50% off...More Details »