Mercedes-Benz OM366 Engine For Sale – Durable Long-Term Performance for Heavy-Duty Service
Do you require a reliable replacement engine for your Mercedes truck, bus, or industrial use? You’ve come to the right place. We sell quality used and remanufactured Mercedes-Benz OM366 engines, in stock and ready to ship with professional support. Whatever you’re installing it in, whether a commercial truck engine, ag application, or construction equipment, the OM366 is a heavy-duty workhorse that will stand the test of time. Mercedes-Benz OM366 Engine
This is a comprehensive guide to the OM366 engine, from specifications to applications to issues to what you benefit when you buy from us to ordering. If you’ve been searching for a good replacement diesel engine, then you’re at the right spot. Mercedes-Benz OM366 Engine
1. Introduction to the Mercedes-Benz OM366 Engine
The Mercedes-Benz OM366 is a 6-cylinder inline diesel engine that has a legendary reputation for being extremely durable and versatile. Part of the legendary Mercedes OM300 series of engines, the OM366 is heavy-duty constructed, has excellent fuel efficiency, and can be used to power anything from trucks and buses to generators and industrial equipment. Mercedes-Benz OM366 Engine
Available in naturally aspirated (OM366) and turbocharged (OM366A/OM366LA) variants, this engine is built to operate under extreme conditions. If you operate a fleet of Mercedes-Benz commercial vehicles or heavy machinery that are equipped with this engine, you must have a suitable replacement engine. Mercedes-Benz OM366 Engine
We specialize in the provision of rebuilt and used Mercedes-Benz OM366 engines, tested, inspected, and installation-ready. Mercedes-Benz OM366 Engine
2. OM366 Engine Specifications
The following is an overview of the general specifications of the Mercedes OM366: Mercedes-Benz OM366 Engine
SpecificationDetails
Engine CodeOM366
ConfigurationInline 6-cylinder
Displacement5.958 liters (6.0L)
Bore x Stroke97mm x 128mm
AspirationNaturally aspirated / Turbocharged (OM366A / OM366LA) Mercedes-Benz OM366 Engine
Fuel SystemMechanical direct injection
Power Output136 – 170 hp (version-dependent)
TorqueUp to 530 Nm
ValvetrainOHV (Overhead Valve)
CoolingWater-cooled
Emissions StandardEuro I/Euro II (model-dependent)
These specifications all vary slightly based on the engine version and what it was designed for. Mercedes-Benz OM366 Engine
3. Models: OM366A and OM366LA
We have all versions of OM366, including:
OM366 (Naturally Aspirated): Low-power base engine for normal-duty applications. Mercedes-Benz OM366 Engine
OM366A (Turbocharged): More power engine for trucks and equipment.
OM366LA (Turbocharged & Intercooled): Highest power and most efficient engine for heavy-duty applications. Mercedes-Benz OM366 Engine
When ordering a quote, please let us know which variant you need so that we can match the correct engine to your application.
4. Applications: Where the OM366 Is Used
The OM366 engine from Mercedes is used on a wide scale in trucks and commercial equipment. If you own any of the following, there’s a strong possibility it’s equipped with an OM366:
Trucks:
Mercedes-Benz 1114, 1317, 1417, 1517
Mercedes 1622, 1722, 1820, 1922
Mercedes L-series trucks
Buses:
Mercedes-Benz O303, O305, O345
School buses and interstate buses
Agricultural Equipment:
Deutz-Fahr tractors (special application)
Combine harvesters and other farm equipment
Construction Equipment:
Concrete mixers
Cranes
Forklifts
Industrial Use:
Power generators
Pumps
Compressors
If you’re unsure whether your truck or equipment has an OM366 engine, provide the VIN or engine number, and we’ll confirm fitment.
5. OM366 Engine Problems
Although the OM366 is a reliable diesel engine, over time or with abnormal wear, it will develop some problems. Some of the usual problems include:
Injector wear – Poor fuel economy and misfires
Turbo failure (OM366A/LA) – Boost issues, smoke, and power loss
Oil leaks – Rear main seals or valve covers
Cooling system problems – Overheating due to faulty radiators or water pumps
Low compression – Piston rings or valves worn
No start or hard starting – Fuel pump issues or worn injectors
If you’ve experienced one or more of these issues, a replacement OM366 engine may be the best long-term solution.
6. Signs It’s Time to Replace Your OM366
Still not sure it’s time to replace an engine? The following are signs your OM366 has reached its useful life:
Engine knocking or severe rattling noise
Blue, black, or white exhaust smoke
Low acceleration and power
Consistent overheating
Heavy oil consumption
Repair price exceeds replacement price
Engine seized or catastrophic engine failure
We offer rugged OM366 engines to have your vehicle or equipment in top working condition.
7. Why Purchase a Mercedes OM366 Engine from Us?
We are authorized Mercedes-Benz diesel engine distributors and provide a professional quote-to-delivery service.
✅ Here’s what distinguishes us:
Inventory of used & remanufactured OM366 engines on hand
Complete compatibility matching (we confirm your VIN)
Completely tested & quality-inspected engines
Optional warranty coverage
Instant worldwide shipping
Personalized pre- and post-sale customer service
Our customers are mechanics, fleet managers, exporters, and equipment owners worldwide.
8. Used vs. Remanufactured OM366 Engines
We offer two kinds of OM366 engines to suit every budget and requirement:
✔ Used OM366 Engines:
Low-mileage, tested engine
Cleaned and inspected
Ideal for budget buyers
30–90 day warranty
✔ Remanufactured OM366 Engines:
Complete engine rebuild with new parts
New pistons, rings, bearings, gaskets, seals
Re-machined block and cylinder head
Like-new performance
6–12 month warranty included
Need assistance? Call us for expert consultation on what’s best for your project or vehicle.
9. What’s Included With Your Purchase
Your engine will include:
Complete long block (block, crankshaft, pistons, cylinder head)
Valve train, camshaft, and timing components
Oil pan, front cover, valve cover
Fuel injection pump and injectors (subject to unit availability)
Turbocharger (on OM366A/LA if equipped)
Mounting brackets and accessories (subject)
Let us know if you need a turn-key engine with starter, alternator, or flywheel—we do custom work.
10. Our Engine Testing and Quality Assurance Process
Every engine we sell undergoes a strict inspection process, which includes:
Compression testing
Leak-down testing
Oil pressure test
Visual inspection for warping, cracks, and leaks
Cleaning and painting (in reman engines)
Packaging and crating for secure shipping
We proudly ship reliable engines that start right out of the crate.
11. Fast Shipping, Core Returns, and Warranty
Shipping:
Freight shipping to commercial and residential addresses
Fully insured and crated
Domestic and international shipping available
♻️ Core Returns:
Trade in your used engine for core credit (on reman purchases)
Easy core return procedure with instructions sent via email
Warranty:
Used engines: 30–90 days
Remanufactured: 6–12 months
Extended protection plans available
We back our engines and have you well protected long after the sale.
12. Ordering Your OM366 Engine
Placing your order for your OM366 engine is fast and easy:
Step 1: Contact Us
Call, email, or fill out our quote form with details like your engine code, VIN, or vehicle model.
Step 2: Receive a Quote
We’ll confirm availability, pricing, and shipping options for your exact application.
Step 3: Place Your Order
Secure payment, choose shipping preferences, and we’ll schedule your delivery.
Step 4: Get Back to Work
Install your new replacement OM366 engine and get your vehicle or equipment running like new.
13. Customer Testimonials
“Purchased a reman OM366LA for our farm truck. Engine looked new, installed with no problem, and has been running good over a year.”
– Martin H., Alberta, Canada
“Support team helped me get the right OM366A for our school bus. Fair price, fast shipping.”
– Sara D., Nairobi, Kenya
“Very professional and reliable. Engine as described and with full test report.”
– Ahmed Y., Dubai, UAE
14. Frequently Asked Questions
❓ How much does a Mercedes OM366 engine cost?
Used OM366 engines are typically $3,500 to $5,500, remanufactured engines $6,500 to $8,500, depending on configuration and condition.
❓ What is the difference between OM366 and OM366A?
OM366A is turbocharged. OM366 is naturally aspirated. Both are 6-cylinder diesel engines.
❓ Do you ship overseas?
Yes! We ship engines worldwide, including insurance and customs documentation.
❓ Can I purchase spare parts for sale for my OM366 instead of an entire engine?
Yes, we do carry cylinder heads, injectors, turbos, fuel pumps, and more. Please contact us with your parts requirements.
15. Get Your Mercedes OM366 Engine Quote Today
Whether you’re equipping a fleet, restoring a classic to like-new condition, or powering equipment, we have the Mercedes-Benz OM366 engine for sale that you require. Contact us today and get a quote and consultation from an expert.




