Category: Mack Engine Parts & Heavy-Duty Components

Your Premier Source for Mack Diesel Engine Parts

Highway and Heavy Parts is your trusted partner for high-quality Mack engine parts, delivering the precision components needed to keep your Mack trucks performing at their peak. Whether you’re operating highway haulers or vocational equipment, our comprehensive inventory supports all major Mack engine families.

Mack engines have proven to be the workhorses of the over-the-road drivers, and HHP is the workhorse of Mack engine parts. We provide premium parts for your Mack engine. All of our engine parts come with the best diesel engine customer service from ASE Certified Techs, and now, we have informational blogs to help you diagnose engine issues, find the right replacement parts, and tips on how to repair a diesel engine. Click around and read some diesel blogs.

Complete Mack Engine Coverage

MP Series Engine Solutions

Mack MP engines are renowned across the trucking industry for their power, reliability, and versatility.
From construction to refuse to highway hauling, these engines deliver consistent performance. Our inventory includes parts for the complete MP lineup:

MP7 Engine: The MP7 is a light-weight 11-liter engine designed to maximize payload with torque ratings from 1200 to 1560 lbs-ft. This efficient powerplant provides the perfect balance of power and fuel economy for medium to heavy-duty applications.

MP8 Engine: The Mack MP8 is a 13.0L inline-6 diesel engine, engineered for power, efficiency, and durability in heavy-duty trucking. Used in both Mack and Volvo trucks, the MP8 delivers high torque, excellent fuel economy, and reduced emissions, making it a top choice for long-haul, regional, and vocational applications.

Legacy E7 Engine Support

We continue to support the legendary Mack E7 engine with comprehensive parts availability. Despite being out of production, the E7 remains a reliable workhorse in many fleets, and we ensure you have access to the quality components needed for maintenance and rebuilds.

Quality Mack Components & Services

Engine Parts That Meet OEM Standards

HHP carries Mack truck engine parts that meet or exceed OEM specs. Save money and time by getting your diesel cylinder heads, fuel injectors, and engine rebuild kits from us. Our commitment to quality ensures every component delivers the durability and performance your Mack engines demand.

Comprehensive Parts Selection

From routine maintenance items to major rebuild components, our Mack parts inventory covers
cylinder heads, fuel injectors, turbochargers, gasket sets, and complete engine rebuild kits. Whether you’re servicing an MP7, MP8, MP10, or E7 engine, we have the parts you need.

Bundle Sales & Value Solutions

Highway and Heavy Parts is excited to introduce our diesel engine parts bundle sales promotion. It includes diesel cylinder heads and diesel engine add-ons for all major heavy-duty truck and equipment manufacturers. If you need a cylinder head for your Mack or other heavy-duty diesel engine, you can get everything you need to do the job right and save some money.

Why Choose Highway and Heavy Parts for Mack?

Expert Knowledge & Support

Our diesel engine experts understand the evolution of Mack engines from the mechanical E7 to the advanced MP series. We provide technical support and application guidance to help you select the right parts for your specific needs.

Proven Quality Standards

Every Mack component in our inventory undergoes rigorous quality control to ensure it meets or exceeds OEM specifications. We understand that reliability is paramount in commercial applications.

Browse Our Complete Mack Parts Catalog

Browse our complete Mack parts catalog today and experience the Highway and Heavy Parts difference for your heavy-duty diesel engine needs.