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?Category: Caterpillar Engine Parts & Heavy-Duty Components
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 NumbersReusing Pistons to Save Money: The Benefits and Drawbacks
Rebuilding an engine on a Class 8 truck is a costly procedure. Depending on how extensive the repairs are, the parts alone can range from fifteen hundred to fifteen thousand dollars. One option for reducing the cost of an engine overhaul rebuild is to reuse the pistons. The pistons are typically the single most expensive part in a rebuild kit. Taking them out can make the kit affordable for nearly everyone’s budget.
Continue reading Reusing Pistons to Save Money: The Benefits and DrawbacksCaterpillar C15 3406E Spacer Plate
This spacer plate, resembling a large gasket, fits between the engine block and the head on Caterpillar’s diesel engines. This product is an update from the aluminum spacer plate that was originally provided in these engines.
Continue reading Caterpillar C15 3406E Spacer PlateBrand New Caterpillar Cylinder Heads
Highway Heavy Parts is bringing you a new option when replacing Caterpillar Cylinder Heads. Now available for 3406E, C15 and C15 Acert engines is the brand new replacement cylinder head.
Continue reading Brand New Caterpillar Cylinder HeadsBroken or Cracked Cylinder Liner Flange
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 Flange3406E / C15 Fuel in Coolant, Engine Miss Explained
If you’re running a C15 or 3406E diesel engine, you may have experienced your engine missing. So, why does that happen?
Continue reading 3406E / C15 Fuel in Coolant, Engine Miss ExplainedCaterpillar 3512 Series Engines Specifications
With the boom in oil and gas production the Caterpillar 3512 series engine has been in increasing demand. The 3512 series engine is not new to the diesel market. It can be found in many different applications such as generators, off-road trucks, boats, and even locomotives. It has been used to power machines in nearly every industrial market. The 3512 has currently found the highest rate of usage in the Gas Compression, Land Drilling, Land Production, Offshore Drilling and Offshore Production industries. The current increase in use can be contributed to the oil and gas booms in both North Dakota and Pennsylvania.
Continue reading Caterpillar 3512 Series Engines SpecificationsHighway and Heavy Parts (HHP) Now Has Engine Rebuild Kits For Caterpillar C13 Engine Applications
Highway and Heavy Parts (HHP) now has aftermarket engine overhaul rebuild kits to fit Caterpillar C13 Engine applications. These previously un-available kits are now in stock for immediate delivery. These kits feature OEM quality parts at cost savings over 30%.
Continue reading Highway and Heavy Parts (HHP) Now Has Engine Rebuild Kits For Caterpillar C13 Engine ApplicationsPremium 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.
