OM606 Engine Price range: $2,550.00 through $5,500.00Select options
OM606 Engine
The Mercedes-Benz OM606 engine is a 3.0L inline-six turbo diesel engine featuring a durable cast-iron block and an aluminum 24-valve DOHC cylinder head for efficient airflow and heat control. It runs a chain-driven valvetrain with hydraulic lifters for long service life. Bosch electronic direct injection provides accurate fuel delivery and clean combustion. Internal strength comes from a forged steel crankshaft, heavy-duty rods, and oil-spray cooled pistons. A wastegated turbocharger and intercooler enhance power and efficiency. Known for its strong bottom end and dependable lubrication system, the OM606 excels in performance diesel swaps and high-boost builds.
In Stock
$2,550.00 – $5,500.00Price range: $2,550.00 through $5,500.00
The prices are exclusive of taxes and shipping. The price may vary depending upon the miles and year of manufacturing.
SKU: MRC-OM606
Category: Used Engine
Tags: 3.0 inline 6 diesel, Mercedes diesel engine, Mercedes E300 diesel engine, Mercedes OM606 diesel, OM606 engine, OM606 motor for sale, OM606 swap engine, OM606 turbo engine, performance diesel engine, turbo diesel engine
Brand: Mercedes-Benz
Additional Information
| Brand | Mercedes-Benz |
|---|---|
| Conditions | Remanufactured, Used |
| Miles | 70000-130000 |
| Year Compatibility | 1995-2001 |
| Verified | Tried & Tested |
| Warranty | Up to 3 Months |
What we offer
- High-Quality Product
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Specifications
The Mercedes-Benz OM606 engine is a highly regarded 3.0-liter inline-six diesel engine, celebrated for its exceptional durability, smooth operation, and tuning potential. It features a robust cast-iron engine block paired with an aluminum DOHC 24-valve cylinder head, delivering a displacement of 2,996 CC with a bore and stroke of 87.0 mm × 84.0 mm. Fuel delivery is managed by a precise mechanical inline fuel injection pump, with naturally aspirated versions using 5.5 mm pump elements and a high 25:1 compression ratio, while turbocharged variants employ 6 mm elements, a lower 22:1 compression, and oil piston squirters for enhanced cooling under boost.
The engine is water-cooled and equipped with features such as aluminum or gray-coated rocker covers depending on the variant, contributing to both performance and longevity. Known for its smooth power delivery, reliability, and ability to handle significant modifications, the OM606 was widely used in Mercedes-Benz E-Class, S-Class, and other models during the 1990s and remains a favorite among diesel enthusiasts and tuners today.
Engine Variants
Naturally Aspirated (OM606.910/912)
The naturally aspirated OM606 uses smaller 5.5 mm injection pump elements and a high 25:1 compression ratio, prioritizing efficiency and smooth, linear power delivery. It is easily identified by its raw aluminum rocker covers and is known for its simplicity, reliability, and durability.
Turbocharged (OM606.961/962/964)
The turbocharged OM606 is designed for higher output, featuring larger 6 mm injection pump elements, oil piston squirters for improved cooling, and a lower 22:1 compression ratio to handle boost. Gray-coated rocker covers visually distinguish it from the NA version, while reinforced internals make it better suited for performance and tuning applications.
Frequently Asked Questions
Why is the OM606 engine so popular for swaps?
Because it’s extremely strong internally and can handle higher boost and power upgrades without sacrificing reliability.
Is the OM606 engine reliable for daily driving?
Yes, it’s known for long service life when maintained properly, making it great for both projects and regular use.
Can the OM606 engine handle performance tuning?
Absolutely. With fuel system and turbo upgrades, many owners safely push well beyond stock power levels.
Does the OM606 use a mechanical or electronic system?
Some versions use electronic controls, but many enthusiasts convert them to mechanical pumps for simpler tuning.
Is the OM606 good for off-road or heavy builds?
Yes, its torque delivery and strength make it a solid choice for 4×4 swaps and overland vehicles.
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