Welcome to Highway and Heavy Parts, where you can get the best heavy-duty Caterpillar diesel engine parts available. Whether you are a fleet owner, technician, or equipment operator, we know how crucial it is to have dependable and long-lasting components to keep your equipment in good working order. Everything from C15 cylinder heads (MPN: 2454324) and C15 inframe engine rebuild kits to C15 Acert, C15, and 3406E fuel injectors HHP is the one-stop online shop for all of your Caterpillar diesel engines needs. We are your go-to partner for all your Caterpillar engine parts because of our vast inventory and dedication to client satisfaction.
Find the ideal part for your engine’s needs from our enormous variety of high-quality Caterpillar heavy-duty diesel engine parts. Here are a few examples of the Caterpillar parts we provide:
Your Caterpillar heavy-duty diesel engines shouldn’t function poorly due to poor engine parts. Count on Highway and Heavy Parts to be your dependable source for premium Caterpillar parts. Discover our huge selection, take advantage of our affordable prices, and experience first-rate customer support. Get in touch with us right away to talk about your engine part needs and discover the Highway and Heavy Parts difference. Let us assist you with maintaining the health of your engines.
Frequently Asked Questions About Caterpillar Diesel Engine Parts
What Caterpillar diesel engine parts does Highway and Heavy Parts carry?
Highway and Heavy Parts offers a comprehensive selection of Caterpillar diesel engine parts for all major CAT engine models including complete engine rebuild kits with all new components for inframe and overhaul rebuilds, fuel injectors designed for maximum fuel efficiency and optimal combustion, turbochargers and turbo rebuild kits for boosted power and performance, cylinder heads, pistons, rings, and liners for combustion chamber restoration, gaskets and seals including head gaskets, oil pan gaskets, and valve cover gaskets, camshafts, crankshafts, and connecting rods for rotating assembly repairs, oil pumps, coolers, and lubrication system components, and engine blocks both new and remanufactured. All parts are available for popular models including C15, C15 Acert, 3406E, 3406B, 3406C, C16, C18, 3126, C12, C13, and other Caterpillar engines.
Which Caterpillar engine models are most popular for replacement parts?
The most popular Caterpillar diesel engines requiring replacement parts include the Caterpillar C15 and C15 Acert, widely used in over-the-road trucking with exceptional power and reliability, Caterpillar 3406E, a legendary engine known for durability in heavy-duty trucking and construction applications, Caterpillar C16, delivering high horsepower for demanding heavy equipment, Caterpillar 3406B and 3406C, proven workhorses in construction, marine, and industrial use, Caterpillar C18, powering large agricultural and construction equipment, and Caterpillar 3126, C12, and C13 engines found in medium-duty trucks and equipment. Highway and Heavy Parts stocks extensive inventories for all these popular CAT engine models.
What’s included in a Caterpillar engine rebuild kit from HHP?
Caterpillar engine rebuild kits from Highway and Heavy Parts include everything needed for a complete engine overhaul with all brand new components, never reconditioned or reused parts. A typical CAT rebuild kit contains cylinder kits with liners, pistons, and rings for combustion chamber restoration, complete head gasket sets for proper sealing, main bearings and rod bearings for crankshaft and connecting rod support, camshaft bearings for valve train operation, crankshaft and camshaft seals to prevent oil leaks, head bolts torque-to-yield hardware for proper clamping force, thrust washers and other critical wear components, and detailed installation instructions. These comprehensive kits come with zero core charge and are manufactured in ISO 9001:2015 certified facilities to meet or exceed OEM specifications.
Are HHP Caterpillar parts OEM quality or aftermarket?
Highway and Heavy Parts Caterpillar diesel engine parts are premium aftermarket replacement parts, not original equipment manufacturer parts, but they are manufactured to meet or exceed OEM specifications for quality, fit, and performance. All parts are produced in ISO 9001:2015 certified facilities ensuring consistent quality control and precision manufacturing. Many HHP Caterpillar parts feature upgraded materials and engineering improvements over original parts, providing enhanced durability and longer service life. While these are aftermarket components, they deliver OEM-level performance at more competitive pricing, backed by comprehensive warranty coverage and expert technical support from ASE-certified diesel technicians.
Why choose aftermarket Caterpillar parts over OEM parts?
Choosing aftermarket Caterpillar parts from Highway and Heavy Parts offers several significant advantages including cost savings of typically thirty to fifty percent compared to OEM parts without sacrificing quality, all new parts in rebuild kits rather than some OEM kits that may include used or reconditioned components, zero core charges on many items eliminating additional fees and deposit requirements, enhanced component designs with upgraded materials for improved durability, comprehensive technical support from ASE-certified diesel technicians throughout the purchase and installation process, faster availability with over 250,000 parts in stock for same-day shipping on orders placed by 2PM EST Monday through Friday, and warranty coverage ranging from 90 days on remanufactured parts to 2 years on select new components.
How do I identify the correct parts for my Caterpillar engine?
To identify the correct parts for your Caterpillar diesel engine, you’ll need several key pieces of information including your engine model designation such as C15, 3406E, C16, 3126, or C18, engine serial number (ESN) for precise part matching and specifications, arrangement number (AR) which identifies specific engine configurations and features, and any prefix or suffix letters that indicate engine variations or updates. With this information, Highway and Heavy Parts’ ASE-certified diesel technicians can help you identify exactly which parts you need for your specific engine configuration. Call HHP at 844-215-3406 or use the online product finder to search by Caterpillar model and part category for accurate part identification and compatibility verification.
What warranty coverage comes with Caterpillar parts from HHP?
Highway and Heavy Parts provides industry-leading warranty protection on all Caterpillar diesel engine parts with coverage varying by component type. New parts typically include a 1-year unlimited mileage parts and labor warranty, with select premium components eligible for extended 2-year warranty coverage. Remanufactured parts come with a 90-day warranty against defects in materials and workmanship. All warranties cover the original purchaser and protect against manufacturing defects when parts are installed correctly and used under normal operating conditions. This comprehensive warranty protection demonstrates HHP’s confidence in their Caterpillar parts quality and ensures your investment is protected throughout the warranty period.
How quickly can I get Caterpillar diesel engine parts delivered?
Highway and Heavy Parts understands that equipment downtime costs money in lost productivity and revenue, which is why they prioritize rapid shipping on all Caterpillar diesel engine parts orders. Orders placed by 2PM EST ship same day Monday through Friday for in-stock items, ensuring fast delivery to minimize your downtime. HHP stocks over 250,000 diesel engine parts at their Coleman, Michigan facility, providing immediate availability for most common Caterpillar components including rebuild kits, fuel injectors, turbochargers, gaskets, and individual engine parts. Expedited shipping options are available for urgent repairs, and the HHP team will confirm availability and delivery timeframes when you place your order to help you plan your repair schedule effectively.