At Highway and Heavy Parts, it’s our mission to take the risk out of buying diesel engine parts for our customers. So we work hard to stock parts for a large range of applications.
Continue reading What Parts We Offer; Caterpillar, Detroit Diesel and MoreAre you in the middle of an engine overhaul? Installing a new cylinder head for your C15? Have you recently blown a head gasket?
Continue reading Caterpillar C15 Acert, C15 Spacer Plate (6I4421)
Are you upgrading your Peterbilt 839 diesel engine and need your cylinder head to be able to handle the increased horsepower?
Continue reading Stage 4 Performance Cylinder Head (20R-2645)Power loss, poor acceleration and whining noise from your engine are signs your Caterpillar C15 Turbocharger may be failing.
Continue reading Caterpillar C15 Turbocharger (137-4832)
Is your Caterpillar C13 just not running like it used to? Is it time for a rebuild?
Continue reading Engine Rebuild Kit for Caterpillar C13 (MCOH3882310)Are you noticing an increase in oil consumption in your Caterpillar C15? Maybe you’re noticing engine knocking or excessive smoke?
Continue reading Engine Rebuild Kit for Caterpillar C15 (C15101-010)
You want your engine to run for miles and miles. That’s why when you’re doing work on your diesel engine, we know you want parts made from the best materials.
Continue reading Why Should I Use Inconel Valves?
When it’s time to replace a cylinder head in your C15, C15 ACERT, or 3406E, you can put another standard head in service that will work well for your truck – or, you can replace it with a high-performance cylinder head equipped with better components, built to handle the extreme conditions your engine will encounter.
Continue reading Caterpillar Stage 2 C15 Loaded Cylinder Head (1835296)
A failed cylinder head in your Caterpillar C15 can be the source of headaches and costly repairs.
Continue reading Symptoms Of A Failing C15 Cylinder HeadHighway 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.
