Highway and Heavy Parts

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Highway and Heavy Parts HHP offers a vast array of products, including rebuild kits, fuel system parts, turbochargers, gasket kits, and more! Call us toll-free at 844.447.2950.

Headquartered in Coleman, Michigan, Highway and Heavy Parts (HHP) is an independently owned and operated business that specializes in serving the needs of the trucking, heavy equipment and diesel engine industry. Our competent team of qualified professionals have combined for over 45 years of hands-on work experience in the diesel engine sector and understand just how important customer service and quality performance are to maintaining your schedule and remaining profitable. From rebuild kits and cylinder heads, to fuel injectors and turbochargers, our products and services cover a wide range of areas that include both the on-highway and off-highway industries. Our website offers easy access to thousands of parts that can be delivered right to your door and in the rare event that you can’t find the part you’re looking for, we’ll find it for you. Our inventory is continuously expanding and we make it a point to give our customers exactly what they need, even if it means going out of our way. The success of our clients serves as testament to our track record, and while our range of products cover virtually any engine model produced by some of the most prominent manufacturers including Cat, Cummins, International and Detroit Diesel, you can be assured that we’ll get you exactly what you need, whatever and wherever it may be. We supply diesel engine parts for applications in the following markets:
• On-Highway
• Off-Highway& Construction
• Marine
• Power Generation
• Natural Gas
The list below provides additional information on the parts we offer for some of the most prominent diesel engine manufacturers. Caterpillar - Rebuild Kit, Cylinder Head, Fuel Injector, Camshaft, Crankshaft, Engine block, Turbocharger, Oil Pump, Gaskets Set, Water Pump, Oil Cooler, After Cooler & Sensor. Engine Model Coverage: 3100, 3200, 3300, 3400, 3500, C7, C9, C12, C15 plus D and G Natural Gas Spark Ignited Series Engines
Cummins - Rebuild Kit, Cylinder Head, Fuel Injector, Camshaft, Crankshaft, Engine block, Turbocharger, After Cooler, Gaskets Set, Water Pump, Oil Cooler, & Sensor. Engine Model Coverage: B, C, L, M, NT, N14, ISX, KT, VT, QSB, QSC, QSL, QSX, plus Natural Gas Spark Ignited Series Engines
Detroit - Rebuild Kit, Cylinder Head, Fuel Injector, Camshaft, Crankshaft, Engine block, Turbocharger, Gaskets Set, Water Pump, Oil Cooler, & Sensor. Engine Model Coverage: 53, 71, 92, 149, 40, 50, 60 Series Engines
International Engine Parts - Rebuild Kit, Cylinder Head, Fuel Injector, Camshaft, Crankshaft, Engine block, Turbocharger, Gaskets Set, Water Pump, Oil Cooler, Oil Pump, & Sensor. Engine Model Coverage: DT360, DT466, DT466E, DT530, DT570 Series Engines
For more information on HHP's offering of diesel engine parts or to speak with one of our qualified professionals, call us toll free at (855)-447-7278. We appreciate your business!

10/19/2026

We're expanding west — with inventory now stocked in our Ontario, California warehouse.

That means select heavy-duty diesel parts can reach eligible areas in as little as one business day, cutting downtime when you need a repair done fast.

Whether you're a repair shop, a fleet manager, or an individual truck owner, our diesel experts can help you find the right parts and check your local delivery options.

📞 844-447-2950
🌐 https://highwayandheavyparts.com/locations/

Does your rig have what it takes to win calendar fame? Enter to win the Annual HHP Calendar Contest today!Submit a photo...
10/17/2026

Does your rig have what it takes to win calendar fame? Enter to win the Annual HHP Calendar Contest today!

Submit a photo of your diesel vehicle for a chance to win an HHP prize pack and a spot in the 2027 HHP Calendar.

✅ Everyone who enters wins 2 calendars!
🏆 All 12 grand prize winners receive 10 calendars, a free HHP merch pack, and their photo featured in our calendar all year long.

Help pick the winners! Vote for your favorite rig on Facebook from Nov. 2–8, 2026.
Enter by October 30th, 2026 for a chance to win!
👉 https://highwayandheavyparts.com/contest/

Photo featured: 2026 October Winner, Alex Reinbold from Aberdeen, SD.

Can a $50 part help protect a $40,000 diesel engine?Sometimes, the most expensive repairs start with the smallest oversi...
10/16/2026

Can a $50 part help protect a $40,000 diesel engine?

Sometimes, the most expensive repairs start with the smallest oversights. Learn which supporting components deserve attention during an engine rebuild—and how addressing them can help prevent repeat repairs, additional downtime, and costly engine damage.

📖 Read our latest blog: https://highwayandheavyparts.com/blog/can-a-50-part-protect-a-40000-diesel-engine/

📞 844.447.2950
🌐 highwayandheavyparts.com

10/14/2026

What if one of the parts protecting your $40,000 engine costs less than $50?

In diesel repair, the most expensive components aren't always the most important. It's easy to focus on the big-ticket items — a rebuild kit, cylinder head, or turbocharger — while overlooking the smaller supporting parts. But some of the cheapest components can have the biggest impact on whether the repair actually holds.

A thermostat stuck closed can cause severe overheating. A restricted oil supply line can starve a turbocharger of lubrication. Reusing head bolts the manufacturer requires you to replace can compromise clamping force. A clogged piston cooling nozzle can keep a piston from getting the oil it needs to control heat.

None of these parts cost thousands of dollars — but each one can contribute to a failure that does. Repeat failures often happen when the major component gets replaced, but a supporting part gets reused because it still looks fine. A few months later, the truck is back in the shop — not because the new part failed, but because the original cause was never fully addressed.

Spending a little more up front can prevent repeat labor, more downtime, and a much more expensive repair down the road. Follow the manufacturer's procedure, and make sure you inspect or replace the supporting components too.

Not sure which supporting parts belong in your repair? Give our diesel experts a call.

📞 844-447-2950
🌐 highwayandheavyparts.com

Reliable boost starts here.From new to remanufactured units, HHP offers turbocharger solutions you can trust for perform...
10/13/2026

Reliable boost starts here.

From new to remanufactured units, HHP offers turbocharger solutions you can trust for performance, durability, and value.

Not sure which option is right for your application? Speak with one of our experienced technicians today for help finding the right fit.

📞 844.447.2950
🌐 highwayandheavyparts.com

10/12/2026

Choosing between a new or remanufactured turbocharger comes down to your specific repair.

New turbochargers are built entirely from new components and typically don't require a core return — a straightforward choice when you want a completely new unit or don't have a core available.

Remanufactured turbochargers aren't simply "used." They start with an eligible core that goes through a rigorous process — disassembly, cleaning, inspection, replacement or reconditioning of parts, reassembly, and testing. A high-quality reman unit can be a dependable, cost-effective replacement.

Don't decide on price alone. Look at the manufacturer, the testing process, warranty coverage, availability, core charge requirements, and whether it's the correct match for your engine.

Whichever you choose, identify and fix the root cause of the original failure before installing the replacement — otherwise you risk damaging the new unit too. Still not sure which way to go? Our diesel experts can help you compare options and verify the correct application.

📞 844-447-2950
🌐 https://highwayandheavyparts.com/product-category/shop-hhp-diesel-parts-all-turbochargers/

Diesel Diagnostic Challenge 🛠️You've got a truck in the shop with a PACCAR MX-13 and the customer says the truck is rapi...
10/08/2026

Diesel Diagnostic Challenge 🛠️
You've got a truck in the shop with a PACCAR MX-13 and the customer says the truck is rapidly losing coolant.

What's your first step?
A) Pressure-test the cooling system
B) Inspect the EGR cooler
C) Test for combustion gases in the coolant
D) Something else?

Drop your answer in the comments and tell us why. Let's see how the diesel community would tackle this one. 👇

Have Questions? Call now: 844.447.2950 or shop online - https://highwayandheavyparts.com

10/07/2026

Your truck breaks down. You know what needs fixing, the parts are available — but the repair wasn't in the budget, and you've got a load scheduled in a few days.

Engine failures don't wait for convenient timing. Every day your truck sits is lost revenue, and putting off the repair can let a small problem turn into a much bigger one.

We want to make it easier to move forward. Our diesel experts can help you find the right parts, and flexible payment options are available through PayPal and Sezzle. Eligible customers may be able to split their purchase into multiple payments or choose a monthly payment plan based on the options available at checkout.

Our goal isn't just to sell parts — it's to help keep your business moving.

If an unexpected repair has you wondering what to do next, give our diesel experts a call. We'll help you find the parts you need and get your equipment back to work.

📞 844-447-2950
🌐 highwayandheavyparts.com

10/05/2026

Fuel injectors deliver the right amount of fuel at the right time to keep your diesel running smoothly. When they're worn, restricted, damaged, or leaking, you'll feel it — extended cranking, rough idle, misfires, power loss, excessive smoke, higher fuel consumption, unusual noise, or fuel leaks.

Here's the thing: those symptoms don't always mean a bad injector. Restricted fuel filters, low fuel pressure, damaged wiring, air in the fuel, or general mechanical issues can cause the exact same warning signs.

Replace an injector without diagnosing the root cause, and the real problem stays unresolved — and if there's contamination or water in the fuel system, it can damage the new injector just as fast.

Instead of guessing or replacing parts prematurely, consult our diesel parts experts. We'll help evaluate the symptoms and find the exact replacement injector you need.

📞 844-447-2950
🌐 https://highwayandheavyparts.com/shop/filter/category/caterpillar-heavy-duty-diesel-engine-parts/part/all-fuel-injectors/

Address

5015 N Dickenson Road
Coleman, MI
48618

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm
Saturday 8am - 3pm

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