OM651 MERCEDES Diesel Engine Block 2500 3500 Sprinter

Review MERCEDES Spd 2.1 Diesel Engine Reman Long Block for SPRINTER 2500 3500 2014–2016

The Mercedes-Benz Sprinter 2500 and 3500 models from 2014 to 2016 were equipped with the advanced SPD OM651 2.1-liter common rail diesel engine. This engine block was engineered to deliver exceptional power, efficiency, and reliability, making it an ideal choice for commercial and passenger applications.

The SPD OM651 engine is a 4-cylinder, in-line unit, featuring a single overhead camshaft design and common rail direct injection system. It boasts a maximum power output of 161 horsepower at 3800 RPM and a torque rating of 295 lb-ft at 1400-2400 RPM. This engine's impressive power curve provides ample torque for various driving conditions, ensuring a responsive and agile driving experience.

The engine block is made of high-strength materials, ensuring durability and longevity. It features a compact design, which not only improves overall vehicle efficiency but also reduces weight and enhances maneuverability. The engine block also includes advanced emission control technologies, such as a selective catalytic reduction (SCR) system, to meet stringent emission standards.

1. Common rail direct injection system: This system injects fuel directly into the combustion chamber at high pressure, optimizing combustion efficiency and reducing emissions.

2. Variable Turbine Geometry (VTG) turbocharger: This advanced turbocharger design improves engine performance by providing optimal boost pressure across the entire RPM range.

3. Selective Catalytic Reduction (SCR) system: This emission control technology reduces harmful nitrogen oxide (NOx) emissions by injecting a urea-based solution into the exhaust stream.

4. Exhaust Gas Recirculation (EGR) system: This system recirculates a portion of the exhaust gases back into the engine cylinders to further reduce emissions and improve combustion efficiency.

5. Engine management system: This advanced electronic control unit monitors and optimizes engine performance in real-time, ensuring efficient fuel consumption and minimizing emissions.

The SPD OM651 engine block is a testament to Mercedes-Benz's commitment to engineering high-performance, reliable, and eco-friendly engines for their commercial vehicle lineup. Its advanced features and technologies make it a top choice for those seeking a powerful, fuel-efficient, and environmentally-friendly engine solution for their Sprinter 2500 or 3500.

The SPD Om651 2.1 liter diesel engine block is an option for those looking to upgrade or replace the engine in their Mercedes Sprinter 2500 or 3500 models produced between 2014 and 2016. Here are some pros and cons to consider before making a purchase:

1. Improved Performance: The Om651 engine block offers better performance compared to the standard engine. This includes increased horsepower and torque, resulting in better acceleration and towing capacity.

2. Enhanced Fuel Efficiency: The Om651 engine block is known for its improved fuel efficiency. This not only reduces operating costs but also helps in minimizing the carbon footprint.

3. Durability: The engine block is built to last, with high-quality materials and robust design. This makes it a reliable option for commercial use and heavy-duty applications.

4. Upgradability: The Om651 engine block can be easily upgraded with various performance modifications, such as turbochargers and intercoolers, to further enhance its power output.

1. Cost: The Om651 engine block can be more expensive compared to the standard engine. This includes the cost of the engine itself, as well as any additional modifications or upgrades that may be required.

2. Complex Installation: Installing the Om651 engine block can be a complex process, requiring specialized tools and expertise. This may result in higher installation costs and potential delays.

3. Potential Compatibility Issues: There may be compatibility issues with certain vehicle components, such as the wiring harness and engine management system. These issues may require additional modifications or the purchase of aftermarket parts.

The SPD Om651 2.1 liter diesel engine block is a high-performance and durable option for those looking to upgrade or replace the engine in their Mercedes Sprinter 2500 or 3500 models produced between 2014 and 2016. While it offers improved performance, enhanced fuel efficiency, and upgradability, it also comes with a higher cost, complex installation, and potential compatibility issues. Ultimately, the decision to purchase the Om651 engine block depends on the specific needs and budget of the buyer.

If you are looking for a high-performance and durable engine option for your Mercedes Sprinter 2500 or 3500, the SPD Om651 2.1 liter diesel engine block is a worthy consideration. However, it is recommended that you consult with a qualified mechanic or engine specialist to determine if this engine is the best fit for your vehicle, and to understand the potential costs and complexities involved in the installation process.

Details:

Om651 engine. Remanufactured OM651 2.1l diesel long block fits 2014 2016 Mercedes-Benz Sprinter, fully rebuilt and tested. Sprinter 3500 engine. Sprinter diesel engine.

Om651 long block. Rebuilt Sprinter engine.

specifications engineblocksam:

• for models: 2500, 3500, Sprinter
• for years: 2014–2016
• brand: Mercedes
• mpn: Om651
• part type: Engine Block
• oe spec or performance/custom: Oem
• non-domestic product: No
• manufacturer warranty: 2 Year / 48k Miles
• fitment type: Direct Replacement
• placement on vehicle: Front
• core: 2000

seller engineblocksam:

• rating: 98.6%
• city: seattle, washington
• # reviews: 34325

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• paid by: buyer
• policy: returns accepted
• time: 30 days

offer engineblocksam:

• sold #: 6
• best offers: true
• in stock #: 5
• options: ship-to-home
• prices: $59.50–$334.00
• item condition:
  • New
  • Used
• started: march 9, 2026
• availability: in stock

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general engineblocksam:

• category: Auto Parts > Car Truck Accessories > Engines > Blocks