Highway and Heavy Parts is excited to introduce our new diesel engine parts bundle sales promotion. It includes diesel cylinder heads and diesel engine add-ons for all major heavy-duty truck and equipment manufacturers. If you need a cylinder head for your Cummins, Caterpillar, Detroit Diesel, or other heavy-duty diesel engine, you can get everything you need to do the job right and save some money.
Continue reading Diesel Cylinder Head and Engine Rebuild Kit Bundle SaleWhen it comes to maintaining the health and efficiency of your diesel engine’s aftertreatment system, having a reliable NOx sensor is essential. Dinex, a trusted name in the industry, offers a range of NOx sensors designed to keep your engine running smoothly and within emission standards. Whether you’re working with Cummins, Detroit Diesel, Freightliner, International/Navistar, Kenworth, Paccar, Peterbilt, or Volvo engines, Dinex has you covered with their second-generation NOx sensors.
Continue reading Dinex NOx Sensors: Smarter, Faster, Stronger!!Mack engines have long meant durability and strength just look at their bulldog mascot. They were founded in 1900, originally as the Mack Brothers Company. They are now owned by Volvo, but through their long history they’ve produced engines that remain popular with many operators.
Continue reading Mack Engine Serial Numbers
Dinex Emission is a company that has been dedicated to helping diesel operators meet the high standards of the EPA for a very long time. Though the EPA’s goal is to reduce the emissions of dangerous gasses into the air, their restrictions can often make transporting goods, completing construction projects, and harvesting large crops more difficult. As an expert in the field of diesel emissions control, Dinex has long been the solution to this obstacle.
Continue reading Dinex Emission: The Solution to Diesel Pollution
Cylinder head resurfacing is one of the most critical steps in a diesel engine repair – but it’s also one of the most misunderstood.
Resurfacing isn’t just about making the head “look flat.” It’s about restoring the correct sealing surface for combustion pressure, coolant passages, and oil flow. If done incorrectly – or skipped entirely – it can lead to immediate or repeat failure.
Continue reading Diesel Cylinder Head Resurfacing: Flatness Specs, Surface Finish, And When It’s RequiredTurbocharger failure on a Volvo D13 or Mack MP8 engine isn’t always caused by wear – it’s often the result of turbo overspeed conditions driven by VGT control issues, exhaust imbalance, or air system faults.
In many cases, the turbo fails because it was forced to operate outside of its design limits – not because the turbo itself was defective.
Understanding what causes turbo overspeed is critical to preventing repeat failures.
Continue reading Volvo D13 / Mack MP8 Turbo Overspeed Failure: What Causes It And Why Replacing The Turbo Isn’t Enough
You finished the inframe. New liners, pistons, rings – everything looks right.
But now you’re seeing:
This isn’t uncommon on Cummins ISX engines – and it usually comes down to one issue:
Improper liner protrusion and ring seating during install.
If you don’t get this right, your rebuild won’t last – no matter how good your parts are.
Continue reading Cummins ISX Inframe Rebuild Failure: Why Your New Liners Aren’t Sealing (And How to Fix It)A dropped valve seat in a diesel engine isn’t just a cylinder head issue – it’s a direct result of thermal stress, material expansion, and loss of interference fit.
This type of failure is most commonly seen after an overheating event, and once it happens, the damage is usually severe enough to require cylinder head replacement and, in many cases, piston repair.
Understanding why valve seats fail – and what leads up to it – is critical to preventing repeat engine damage.
Continue reading Why Intake Valve Seats Fall Out In Diesel Cylinder Heads After OverheatingAt Highway & Heavy Parts, we do parts differently! We won’t sell you just any part. We won’t just sell you the lowest price part. And we certainly won’t sell you a part from an inferior supplier.
Continue reading About the Bosch Diesel Engine Denoxtronic 2.2 Dosing Module and Supply Module | Highway & Heavy PartsHere at Highway & Heavy Parts, we sell a lot of turbochargers. We carry a number of the industry’s leading brands for all major OEMs, and have helped diagnose a lot of our customers’ turbo failures. We provide solutions to help get them back on the road.
Continue reading Highway & Heavy Parts Answers Your Diesel Engine Questions: TurbochargersHave you thought much about your cylinder head? Well, we have! Today we’re going to let you know when you can safely resurface your diesel engine cylinder head.
Continue reading When Can I Resurface My Diesel Engine Cylinder Head?Have you been noticing issues with your diesel engine recently? There are obviously a lot of reasons why this might be happening, including broken or cracked cylinder liner flanges. If you’re interested in more information about what causes cylinder liners to fail, check out our blog dedicated to cylinder liner failures.
Continue reading Broken or Cracked Cylinder Liner Flange
