Category: Caterpillar Engine Parts & Heavy-Duty Components

Keyword Search

Posted on by

Cylinder Head Engine Component Problems, Failure Mode, Diagnosis, CAT C15 Diesel Engine

Caterpillar C15 Cylinder Head Troubleshooting. HHP Can Help!

Continue reading Cylinder Head Engine Component Problems, Failure Mode, Diagnosis, CAT C15 Diesel Engine

Posted on by

CAT C15 Turbocharger Problems & Solutions for your Caterpillar Diesel Engine

CAT C15 Turbocharger Problems & Solutions for your Caterpillar Diesel Engine

Continue reading CAT C15 Turbocharger Problems & Solutions for your Caterpillar Diesel Engine

Posted on by

When to rebuild your CAT C15 Diesel Engine, Caterpillar C15 Rebuild Kit

When to Rebuild Your Caterpillar C15 Engine. HHP Can Help!

Continue reading When to rebuild your CAT C15 Diesel Engine, Caterpillar C15 Rebuild Kit

Posted on by

CATERPILLAR C15 CYLINDER HEAD GASKET SET SET (MCBC15213)

Noticing decreased engine performance in your C15? Is it losing water, or is the coolant pushing out of the radiator? Your Caterpillar C15 may be in need of a head gasket replacement.

Continue reading CATERPILLAR C15 CYLINDER HEAD GASKET SET SET (MCBC15213)
Posted on by

Fuel Injector Cup Failure Explained: Prevention, Problems, And Hold-Down Bolts

Problems with injector cups is a common issue on the Caterpillar 3406E.
We know how frustrating it can be, especially if it happens soon after an injector replacement.

Continue reading Fuel Injector Cup Failure Explained: Prevention, Problems, And Hold-Down Bolts
Posted on by

Main Causes of Poor Fuel Injector Performance in a Caterpillar C15 ACERT Engine

The Cat C15 ACERT engine is the pinnacle of diesel engine technology. That being said, even Caterpillar engines will come to a time where it needs to be serviced. Problems such as poor performance and excessive fuel consumption are just some of the common signs that your fuel injectors are not working within specs.

Continue reading Main Causes of Poor Fuel Injector Performance in a Caterpillar C15 ACERT Engine
Posted on by

Why Is My Caterpillar C15 ACERT Turbocharger Failing? Symptoms And When To Replace

Although they have similar names, the Cat C15 and Cat C15 ACERT diesel engines are miles apart in terms of technology. A Caterpillar C15 ACERT engine is the newest of the bunch and designed with an advanced twin-turbocharger system.

Continue reading Why Is My Caterpillar C15 ACERT Turbocharger Failing? Symptoms And When To Replace
Posted on by

Why Is My Caterpillar C15 Turbocharger Failing? Common Problems Explained

Cat C15 engines are made to take a beating. They are the workhorse of the diesel engine world. The Cat C15 is the preferred engine choice for heavy-duty applications like tractor-trailers, farm equipment, earthmovers, etc. But, like with anything else, there will come a time when parts begin to show their age and will need replacement or repair.

Continue reading Why Is My Caterpillar C15 Turbocharger Failing? Common Problems Explained

Premium 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.