Heavy Duty Fleet Parts

Servicing Shuttle Bus Fleets

Founded in 1946, KIRKS is the leading supplier of new OEM and remanufactured heavy-duty fleet parts for buses and trucks. We work with trusted manufacturers and remanufacturers, and deliver products that meet or exceed OEM specifications. Whether you’re purchasing something new or we’re remanufacturing a part for you, you can rest easy knowing that we back every product with a KIRKS Approved Equal™ Seal of Certified quality and a warranty.

fleet of heavy duty trucks

Types of Parts We Provide

We offer a wide range of heavy-duty bus parts, ranging from alternators to brake pads. Our complete inventory of fleet parts includes:

  • Heating & Cooling: Stay comfortable from point A to point B by investing in high-quality heating and cooling products from KIRKs. We carry everything from water pumps and radiators to hoses and hose fittings. Plus, we offer parts from trusted manufacturers like NAPA®, AMETEK®, and Proheat®.
  • Brakes: Get any brake solution you need from us. Our full line of brake products includes pads, rotors, calipers, air brake compressors, and dryer systems from Celect®, BBB INdustries® and other manufacturers and remanufacturers.
  • Emissions: Save money with our emission sensors, supply modules, and gaskets from Roadwarrior and Bosch.
  • Wipers, Glass, & Lighting: Improve visibility with high-performing wipers and lighting, or find durable windshield replacements—whatever you need, we have it! We carry a wide range of sizes, and even sell best-sellers like Bosch ICON, Rain-X Latitude, and NAPA Exact Fit.
  • Steering Parts: Rely on us for remanufactured steering gears from brands like Bosch and Haldex.
  • Fuel & Engine Parts: Discover hard-to-find fuel and engine parts at KIRKS. We have over 75,000 part numbers available, and our lineup includes injection pumps, valvetrain components, oil pumps, and so much more.
  • Starting & Charging: Get back on the road again with our starters and alternators from Leece Neville, Bosch, and Delco Remy. We even carry hard-to-find parts.
  • Test Stands: Do you need to test your existing alternator? Try our Transit-Tech 6000®. Our high-output test stand can test alternators up to 600 amps at 5,000 RPM.
  • Tuggers: Be prepared on the road by investing in a tugger. We carry a wide range of products from Eagle Tugs, and even carry their all-in-one Transit Pro, which can jump-start batteries, service tires, and tow vehicles out of the way.

Our Heavy-Duty Fleet Parts & Services

We’re one of the few suppliers who can repair and remanufacture parts. We specialize in heavy-duty fleet parts, and can even help you reverse-engineer hard-to-find parts. No matter the part, we have you covered. And, any repaired or remanufactured product you receive from us is guaranteed to meet or exceed OEM specifications. Let us help you get the most value for your money!

yellow hydraulics

Brands We Work With

Trusted by Fleet & Transit Industry Professionals

Browse our complete inventory to find the exact part you’re looking for. We have a variety of products in stock and ready for you.