At Highway & Heavy Parts, we’re known for providing quality aftermarket diesel engine parts and overhaul kits, and in the Caterpillar world, we’re known for anything from the C7 to C15, C16, and even the C18.
Continue reading HHP Spotlight: About the Caterpillar C13 Diesel Engine Rebuild KitCategory: Caterpillar Engine Parts & Heavy-Duty Components
What is the Purpose of a Cylinder Head in a Diesel Engine?
Today were 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. Here’s what we think you should know!
Continue reading What is the Purpose of a Cylinder Head in a Diesel Engine?Diesel Engine Fuel Injectors Explained
Were here to talk about fuel injectors today. Well be breaking down our most commonly asked questions.
Continue reading Diesel Engine Fuel Injectors ExplainedHHP Spotlight: Diesel Engine Rocker Arm vs. Pin and Roller Kits
When it comes to overhead cam engines your Detroit Diesel Series 60, your Cummins ISX, your Caterpillar 3406E, and C15 to name a few. We get a lot of questions on rocker levers. People call when something goes wrong, asking: “What are my options?” or “What can you offer me?”
Continue reading HHP Spotlight: Diesel Engine Rocker Arm vs. Pin and Roller KitsDiesel Engine Cylinder Head Buying Guide
When’s the last time you thought about your cylinder head? If you’ve noticed a decrease in fuel economy or your engine has been overheating, you might want to take a look at your head—it could be time to replace it.
Diesel Engine Rebuild Kits Buying Guide
Have you noticed a loss in fuel economy? Are you consuming a lot of oil? Is there coolant in your crankcase? If you answered yes to any of these questions, you may want to evaluate your engine to see the extent of the damage. It might be time for an engine rebuild kit.
Continue reading Diesel Engine Rebuild Kits Buying GuideHHP Buying Guide: Camshafts
Do you want good engine power? Great fuel economy?
Are the OEM Engine Rebuild Kits Worth It?
Do you know the difference between stereotypical aftermarket parts and quality aftermarket parts? Maybe you do, but we get a lot of people that call in and don’t.
Continue reading Are the OEM Engine Rebuild Kits Worth It?Caterpillar Diesel Engine Serial Numbers
If you’re shopping for parts for your Caterpillar diesel engine, then you’re going to want to make sure that you’re getting the right ones the first time. To help us get you exactly what you need, you need to have your engine serial number handy.
Continue reading Caterpillar Diesel Engine Serial NumbersCaterpillar 3406E Engine Specs, Problems, and Reliability
The Caterpillar 3406E is one of the most recognized diesel engines in the heavy-duty trucking industry.
Known for its durability, rebuildability, and strong performance, it remains a popular engine even years after production ended.
However, like any diesel platform, long-term reliability depends on proper maintenance, correct diagnostics, and quality components.
Continue reading Caterpillar 3406E Engine Specs, Problems, and ReliabilityC15 Engine Spotlight
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.
Continue reading C15 Engine SpotlightDiesel Engine Serial Numbers
Have you ever thought much about your ESN or why you might need to know it? Diesel engine serial numbers are vital to ensuring you’re getting the right fit for your engine.
Continue reading Diesel Engine Serial NumbersPremium Quality Parts for Your Caterpillar Equipment
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.
Complete Caterpillar Parts Inventory
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.
Why Choose Highway and Heavy Parts for Caterpillar Components?
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.
Caterpillar’s Legacy in Heavy-Duty Applications
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.
