Why Choose Gearhead Diesel Engines?
- Complete long block and drop-in options
- Remanufactured to OEM or better-than-OEM specifications
- Backed by a nationwide warranty
- Dyno-tested for reliability and performance
- Fast turnaround and FREE shipping on most engines*
- Technical support from real diesel experts
*Restrictions may apply
Brands & Models We Support:
Chevrolet | GMC | Peterbilt |
Dodge | International | Powerstroke |
Ford | Kenworth | Ram |
Freightliner | Mack | Volvo |
Workhorse |
Need a quote for something else? We likely build it. Submit quote request here.

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We specialize in diesel engines for:
- Pickup trucks (2500/3500 HD and up)
- Delivery and box trucks
- Dump trucks and service vehicles
- Medium and heavy-duty fleet vehicles
- Agricultural and utility chassis
- Commercial buses and shuttles
- Oilfield and vocational equipment
Built for Tough Jobs. Backed by Confidence.
From vocational rigs to long-haul tractors, our remanufactured diesel engines are designed to meet the demands of high-output environments.
Get your truck — or your fleet — back on the road with a diesel engine you can count on.
Our Commitment to Quality:
- Remanufacturing to Latest Specifications: All engines are remanufactured to the latest specifications to ensure optimal performance.
- Precision Machining: Major components are machined using state-of-the-art methods and processes.
- New Wear Components: Wear items are replaced with 100% new parts to ensure longevity.
- OEM Standards: Parts are remanufactured and tested to meet or exceed OEM specifications.
- Fuel Systems and Turbochargers: These components are remanufactured and tested prior to installation to ensure reliability.
- Dyno Testing: All drop-in engines undergo 100% dyno testing on electronically controlled dynamometers before shipment.
Customer-Centric Services:
- Minimized Downtime: We focus on quick turnaround times to reduce customer downtime.
- Hassle-Free Core Returns: Our core return process is straightforward and customer friendly.
- Inclusive Freight: Roundtrip freight is included on all engine purchases.
- Industry-Leading Warranty: Every engine is backed by a comprehensive warranty for added peace of mind.
Getting a FREE quote for your remanufactured engine is simple!
MOBILE USERS: Tap the plus sign (+) in the table below to see expanded detail and to request a quote.
WANT TO TALK TO AN EXPERT?
CALL US 8-6 CST (1-800-508-5999)
If you’re unsure which is the best product for your needs or budget, remember that the Gearhead sales team is available to answer your questions Monday through Friday, 8 a.m.-5 p.m. Central Time.
If you recently requested a quote via email and haven’t received it, please check your spam folder.