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Looking for a reliable used Mercedes 642 engine to replace a worn or failed diesel engine? AllGoodParts supplies quality-inspected used Mercedes OM642 engines at competitive prices, giving customers a dependable replacement option without the cost of buying a new engine.
The Mercedes-Benz OM642 is a 3.0-litre V6 turbo-diesel engine known for its strong torque, smooth performance and use across a range of Mercedes-Benz cars, SUVs and commercial vehicles. If you are looking for a second-hand 642 engine for sale, it is important to match the engine specification with your vehicle before making a purchase.
The OM642 is a 3.0-litre V6 common-rail turbo-diesel engine developed by Mercedes-Benz. Depending on the engine variant, model year and vehicle application, power and torque outputs differ.
|
Specification |
Details |
|
Engine family |
Mercedes-Benz OM642 |
|
Engine code |
OM642 / OM 642 |
|
Displacement |
2,987 cc / 3.0L |
|
Configuration |
V6 diesel |
|
Fuel type |
Diesel |
|
Injection system |
Common-rail direct injection |
|
Turbocharging |
Single turbocharger, variant dependent |
|
Valvetrain |
DOHC, 24 valves |
|
Power |
Approximately 135–190 kW, depending on variant |
|
Torque |
Approximately 400–620 Nm, depending on application |
|
Engine type |
Used diesel engine |
|
Production |
Approximately 2005 onwards, application dependent |
Because the OM642 was produced over many years and used in different vehicles, OM642 engine specifications can vary considerably. Depending on the application, some versions use DPF and EGR systems, while later emissions versions may also have SCR/AdBlue technology. Always compare the replacement engine with your vehicle's original specification before purchase.
The Mercedes-Benz OM642 engine was used in a wide range of Mercedes-Benz cars, SUVs, vans and commercial vehicles. Different versions can have differences in engine codes, electronics, emissions equipment, accessories and vehicle-specific components.
Common Mercedes-Benz applications include:
At AllGoodParts, we make it easier to find a suitable used Mercedes 642 engine by checking the important vehicle details before purchase. Provide your VIN, model year, engine code and existing engine information, and our team can help confirm compatibility. Where available, we can also provide details such as engine mileage, condition and testing information, so you can make a more informed decision.
The Mercedes OM642 is known for strong long-term performance when its oil system, cooling system and diesel components are properly maintained. Regular servicing and addressing common issues such as oil leaks, intake deposits and injector seal problems can help extend engine life, especially in vehicles used for towing or frequent stop-start driving.
For customers considering a used 642 engine, the condition of the individual engine is particularly important. Mileage, servicing history, previous use and overall condition can all affect reliability. A well-matched used engine can be a cost-effective alternative to rebuilding an existing engine or purchasing a new replacement.
We understand that buying a used engine is a significant decision. That's why we focus on supplying quality, professionally sourced used engines and helping customers confirm compatibility before purchase.
Like any high-mileage diesel, the OM642 can develop issues over time. Common areas that should be checked include:
These are potential problems rather than defects found in every OM642 diesel engine. The condition of an individual used engine depends on its previous use, servicing and mileage.
The price of a used Mercedes OM642 engine can vary depending on the engine variant, vehicle application, mileage, condition and what components are included with the engine. Earlier and later OM642 versions may also differ in their accessories, emissions equipment and electronics.
At AllGoodParts, you can enquire about the OM642 engine price by providing your vehicle's VIN, model, year and existing engine code. This allows our team to identify a suitable replacement and provide the most accurate available pricing.
Buying a second-hand engine is a significant decision, which is why engine condition and compatibility should be confirmed before purchase. AllGoodParts supplies professionally inspected used engines and can provide available information about the engine's condition, mileage and specifications.
Where applicable, eligible used mechanical parts are covered by a 3-month or 5,000 km warranty, whichever comes first, subject to the applicable warranty terms. Warranty coverage does not apply where an engine or component has been incorrectly installed, dismantled, modified or altered.
Your OM642 engine is securely prepared for transport, with Australia-wide delivery available to homes, workshops and repairers. Orders are generally dispatched within 1 to 2 business days, with delivery typically taking 2 to 7 business days, depending on location and freight requirements.
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