In the late 1800s and early 1900s, steam tractors were the primary method of agricultural development. But out in California, they had a problem: the incredibly heavy tractors kept sinking into the soft earth. One solution sometimes used was to lay wooden planks ahead of the tractors, but this drastically decreased speed and was expensive to do.
Continue reading Everything You Need To Know About The Caterpillar C15
Is your diesel engine consuming oil at a higher rate than normal? This could be due to normal engine wear, but it also might indicate an issue. Read on to find out more about what could be happening in your diesel engine!
Continue reading 10 Common Reasons for Excessive Oil Consumption
When it comes to diesel engine gaskets, the material can make all the difference. Most current gaskets are made of a combination of metal and a composite material like graphite or asbestos, although asbestos has been losing popularity due to safety concerns (HHP only sells asbestos-free gaskets!).
Continue reading Differences Between MLS Head Gaskets and Graphite Gaskets
So, you notice your oil pressure is low. Your automatic response might be to have your oil pump looked at, or to replace it altogether.
Continue reading 7 Possible Causes Of Low Oil Pressure In Your Diesel Engine
Caterpillar C15 engines are very popular among our customers. We’ve noticed that over time we’re getting the same questions regarding cylinder head problems in this engine. In this post, we’re covering cylinder head symptoms, why it’s happening, and what solutions we have for you!
Continue reading Caterpillar C15 Cylinder Heads (20R2646)
Over time we’ve noticed similar questions related to common issues with Caterpillar C15 ACERT cylinder heads. In this post we’re covering those symptoms, why it’s happening, and what solutions we have for you!
Continue reading 6 Common Issues with Caterpillar C15 ACERT Cylinder Heads
Today we’re going to go over a little bit about cylinder heads. Before diving head first into the cylinder head market, its important to have an understanding of what you’re working with.
Continue reading How Does a Cylinder Head Work On A Diesel Engine?Is It Camshaft Lobe Wear Or Damage? We all know how important camshafts are to the function of your diesel engine, and when they fail it can spell big trouble. Whether you have a flat tappet or a roller camshaft, you’re at risk for one of the most common causes of camshaft issues: lobe wear or damage.
Continue reading Camshaft Failure Causes
Having problems with your Caterpillar C15? A new engine rebuild kit from Highway and Heavy Parts may be just what you need!
Your Caterpillar C15’s power and reliability start with the core parts deep inside the engine, where compression, cooling, and lubrication all come together. Over time, those internal components – pistons, liners, rings, and bearings – wear down and slowly lose their ability to seal, cool, and support the engine the way they should. Once that happens, you’ll start to see blow-by, oil consumption, fuel dilution, rising temperatures, and a noticeable drop in performance.
The longer those issues are ignored, the faster they snowball into bigger problems like scored liners, damaged pistons, or even a complete engine failure. That’s why a complete engine rebuild kit is so critical for a C15. Replacing everything at once restores the engine’s foundation, brings compression back to spec, and stops small issues from turning into expensive downtime.
Not sure if it’s time for a rebuild? Look for these warning signs:
Waiting too long allows minor wear to cascade into major failures, but acting now can save thousands in repair costs.
We proudly carry the Caterpillar C15 Engine Rebuild Kit (3067460), a complete top‑end kit engineered to meet or exceed OE specifications.
What Sets This Rebuild Kit Apart:
Designed by top OEM and aftermarket specialists, this engine rebuild kit delivers consistent quality and reliability.
A successful rebuild depends on meticulous preparation and assembly. Follow these steps:
Proper execution of each step ensures optimal compression, oil control, and long‑term durability.
Guaranteed for fit and function, HHP parts combine superior quality with unbeatable value, backed by our ASE‑certified technicians and a 2‑year unlimited mileage warranty. Minimize downtime and maximize engine life—order your Caterpillar C15 Engine Rebuild Kit (3067460) now!
Call 844‑304‑7688 or visit highwayandheavyparts.com to place your order today.
From diagnosis through delivery, we’re Highway and Heavy Parts.
Continue reading Caterpillar C15 Acert Oil Pump Problems, Troubleshooting and Replacement
Highway and Heavy Parts is your trusted source for over 250,000 replacement diesel engine parts, including a comprehensive selection of Caterpillar engine components. Whether you’re maintaining fleet vehicles or heavy equipment, we carry the parts you need to keep your Caterpillar engines running at peak performance. This, combined with our ASE Certified service team, makes us industry experts and qualified to write about everything Caterpillar-related.
On this page, you will find blogs that discuss common Caterpillar issues, diesel engine part highlights, and how-tos.
Engine Components & Service Parts
Our extensive Caterpillar inventory includes essential engine components such as engine blocks, pistons, fuel injectors, and turbochargers. From routine maintenance items to major engine rebuild components, we stock everything required for C15, C15 ACERT, 3406E, and other popular Caterpillar engine models.
Quality You Can Trust
At Highway and Heavy Parts, you’ll get parts that have been manufactured in an ISO 9001:2015 certified facility, ensuring quality and consistency for your Caterpillar equipment. Our commitment to quality ensures you receive parts engineered for durability and long-lasting performance.
Fast, Reliable Service
Order by 2PM EST, and in-stock items will ship the same day (M–F), ensuring minimal downtime for your equipment.
We understand the importance of keeping your fleet operational and ready for work.
Expert Knowledge & Support
Highway and Heavy Parts, LLC is owned and operated by diesel engine experts.
We know the importance of keeping a delivery fleet on the road. Our team combines decades of experience with comprehensive product knowledge to help you find the right parts for your specific application.
Comprehensive Parts Selection
You can quickly and easily find the precise part you need with our large range, saving you time and effort. From gaskets and seals to major engine components, our inventory covers the full spectrum of Caterpillar parts needs.
While Caterpillar has a long and storied history of producing top-notch diesel engines and was known for construction and mining equipment, they also produced engines for on-highway applications. Though Caterpillar has discontinued their truck engine production, existing equipment still requires quality replacement parts and ongoing maintenance support.
Browse our complete selection of Caterpillar parts today and experience the Highway and Heavy Parts difference – where quality meets reliability for all your heavy-duty diesel engine needs.
