With a slogan like “We are Mack. We are Born Ready” you should be able to expect nothing but excellence and quality. When it comes to Mack diesel trucks, you can expect nothing less. A division of Volvo Group, Mack diesel trucks are sold in 30 countries worldwide, and is one of the largest manufacturers of heavy-duty diesel trucks, proprietary diesel engines, and transmissions in North America. HHP, as the leader in replacement diesel engine parts in the US, is born ready to deliver you the best Mack Truck engine parts, at the best price, and in the shortest amount of time. When it comes to Mack diesel trucks, HHP carries a large selection of aftermarket diesel engine parts for big rig trucks. Whether you are looking for a genuine Bosch Mack E7 diesel fuel injector unit pump, a Mack MP8 inframe engine rebuild kit, a Mack MP8 turbocharger, or something else, we are your one-stop shop.
HHP is a premium supplier of OEM replacement diesel engine parts for Mack trucks. Find the ideal part for your heavy-duty diesel engine from our vast range of high-quality Mack engine parts. Here are a few examples of the Mack engine parts we provide:
To maintain your Mack engines running at their peak efficiency, you can simply discover the exact part you need thanks to our extensive inventory.
Maintain the performance of your Mack heavy-duty diesel engines at all times. Count on Highway and Heavy Parts as your dependable source for premium Mack truck parts. To discuss your engine part needs and to receive first-rate customer support, get in touch with us right away.
Frequently Asked Questions About Mack Diesel Engine Parts
What Mack diesel engine parts does Highway and Heavy Parts carry?
Highway and Heavy Parts offers a comprehensive selection of Mack diesel engine parts for all major engine models including complete engine rebuild kits with all brand new components for inframe and overhaul rebuilds, fuel injectors engineered to fit like OEM parts and distribute fuel precisely for enhanced engine performance, turbochargers built to survive difficult conditions while enhancing air intake and fuel efficiency, cylinder heads with high sealing and combustion efficiency to improve engine output and fuel economy, pistons, rings, and liners for complete combustion chamber restoration, gaskets and seals including head gasket sets and oil pan gaskets, camshafts, rocker arms, and valve train components for precise engine timing, oil pumps and cooling system parts to maintain lubrication and prevent overheating, and engine blocks both new and remanufactured. All parts are available for popular models including E7, MP8, D13, MP7, MP10, E-Tech, ASET, AI, AMI, and E6 engines.
Which Mack engine models are most popular for replacement parts?
The most popular Mack diesel engines requiring replacement parts include the Mack E7, a legendary 12.0-liter inline-6 diesel engine with a reputation for durability, power, and reliability in heavy-duty trucking, construction, and vocational applications, Mack MP8, a 13.0-liter inline-6 diesel engine used in both Mack and Volvo trucks delivering high torque and excellent fuel economy for long-haul and regional applications, Mack/Volvo D13, a 13.0-liter inline-6 renowned for power, efficiency, and reduced emissions in heavy-duty trucking, Mack MP7 and MP10, powerful engines serving construction, refuse, and highway hauling applications, and legacy Mack engines including ASET AI/AMI with EGR systems, E-Tech configurations, and E6 models still in service across various industries. Highway and Heavy Parts stocks extensive inventories for all these popular Mack engine models.
What’s included in a Mack engine rebuild kit from HHP?
Mack 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 comprehensive Mack rebuild kit contains cylinder kits including liners, pistons, and rings for combustion chamber restoration, complete head gasket sets for proper sealing throughout the engine, rod bearings and main bearings for crankshaft and connecting rod support, thrust washers and other critical wear components, and detailed installation instructions for successful rebuild. When you finish rebuilding your Mack engine with one of these kits, your truck will be running like new, delivering the reliability and performance you expect from Mack’s “Born Ready” reputation.
Are HHP Mack parts OEM quality or aftermarket?
Highway and Heavy Parts Mack diesel engine parts are premium aftermarket replacement parts that meet or exceed OEM specifications for quality, fit, and performance. All parts are sourced from reliable suppliers who adhere to strict OEM standards and are produced in ISO 9001:2015 certified facilities ensuring consistent quality control and precision engineering. HHP prioritizes quality above all else, ensuring these aftermarket components deliver the same reliability and durability you expect from a division of Volvo Group that manufactures heavy-duty diesel trucks in 30 countries worldwide. The advantage of choosing HHP aftermarket parts is you get OEM-level performance at more competitive pricing, backed by comprehensive warranty coverage and expert technical support from ASE-certified diesel technicians.
How do I identify the correct parts for my Mack diesel engine?
To identify the correct parts for your Mack diesel engine, you’ll need several key pieces of information including your engine model designation such as E7, MP8, D13, MP7, or other Mack engine, engine serial number (ESN) which typically begins with “11GBA” followed by six numbers and letters for popular models, and your 17-digit VIN number if you cannot locate the engine serial number. The engine serial number can usually be found on your engine information plate located behind the fuel injection pump or on the valve cover, etched rather than cast. Your engine serial number tells HHP technicians critical information about your engine specifications, ensuring you get the right parts the first time. Call Highway and Heavy Parts at 844-215-3406 or use the online product finder to search by Mack model and part category for accurate part identification.
Why choose aftermarket Mack parts over OEM parts?
Choosing aftermarket Mack parts from Highway and Heavy Parts offers several significant advantages including substantial cost savings with competitive pricing on all Mack heavy-duty diesel engine parts to help you afford engine maintenance and repairs, all brand new components in rebuild kits rather than potentially reconditioned parts, zero core charges on many items eliminating additional fees and deposit requirements, comprehensive technical support from ASE-certified diesel technicians with decades of hands-on diesel engine experience, faster availability with over 250,000 parts in stock for same-day shipping on orders placed by 2PM EST Monday through Friday, and premium quality parts from trusted manufacturers designed to deliver the excellence and quality you expect from Mack diesel trucks.
What warranty coverage comes with Mack parts from HHP?
Highway and Heavy Parts provides industry-leading warranty protection on all Mack diesel engine parts with coverage varying by component type. Premium components like genuine Bosch Mack E7 fuel pump units and supply modules are backed by a 1-year unlimited mileage warranty for added peace of mind. New parts typically include a 1-year parts and labor warranty covering defects in materials and workmanship, with select premium components eligible for extended 2-year warranty coverage. This comprehensive warranty protection demonstrates HHP’s confidence in their Mack parts quality and ensures your investment is protected throughout the warranty period while keeping your Mack engines running at peak efficiency.
How quickly can I get Mack diesel engine parts delivered?
Highway and Heavy Parts understands that every hour a truck is down impacts your bottom line, which is why HHP prioritizes rapid shipping on all Mack 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 and keep your delivery fleet on the road. HHP stocks over 250,000 diesel engine parts at their Coleman, Michigan facility, providing immediate availability for most common Mack components including rebuild kits for E7, MP8, and D13 engines, genuine Bosch fuel injectors, turbochargers, cylinder heads, 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.