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 DrawbacksCategory: Caterpillar Engine Parts & Heavy-Duty Components
Caterpillar 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 ApplicationsIncrease Profit with Remanufactured Injectors From HHP!
When it comes to running a highly profitable diesel engine repair shop, staying one step ahead of your competition is critical to success. With profit margins shrinking and customer demands becoming more and more complex, vendors are constantly searching for ways to cut costs and streamline operations, all without having to sacrifice the quality of their service. Though this has proved to be a difficult task for a lot of repair shops, many are discovering that making the switch from OEM parts to remanufactured components may be the answer, and Highway and Heavy Parts (HHP) is helping them do that.
Continue reading Increase Profit with Remanufactured Injectors From HHP!Why Diesel Repair Shops Lose Time and Money on Parts (And How to Fix It)
For most diesel repair shops and fleet operations, the part itself isn’t the problem.
👉 It’s everything that happens before and after the part arrives.
Delays, miscommunication, pricing inconsistencies, and slow returns all add up to:
- Lost time
- Lost revenue
- Frustrated customers
And in many cases, those issues repeat themselves on every job. In most cases, the delay in a repair job isn’t caused by the failure: it’s caused by the process around fixing it.
Continue reading Why Diesel Repair Shops Lose Time and Money on Parts (And How to Fix It)HHP is pleased to announce the addition of a wide range of new diesel engine products to their existing line of parts
Highway and Heavy Parts is pleased to announce the addition of a wide range of new diesel engine products to their existing line of parts.
Continue reading HHP is pleased to announce the addition of a wide range of new diesel engine products to their existing line of partsHighway and Heavy Parts has expanded its coverage for all Caterpillar C12 engine applications
Highway and Heavy Parts has expanded its coverage for all Caterpillar C12 engine applications.
Continue reading Highway and Heavy Parts has expanded its coverage for all Caterpillar C12 engine applicationsCaterpillar C12 Exhaust Stud Kit
Highway and Heavy Parts has released a new C12 Exhaust Manifold Stud Kit! This high-quality C12 exhaust manifold stud kit (which also fits standard C13 exhaust manifolds) is designed to lower repair costs and simplify the parts ordering process. The C12 exhaust manifold stud kit accomplishes these goals by using OEM-grade or better materials at competitive costs. The C12 exhaust manifold stud kit combines multiple part numbers into one simple part number. This one-part number helps simplify the ordering process and reduces the number of on-hand inventory SKUs.
Continue reading Caterpillar C12 Exhaust Stud KitPremium 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.






