MERCEDES A6420109720 Bluetec Diesel Engine Left Cylinder Benz 3.0L Head 98K

( Manufacturer Part Number: A6420109720 ), ( Type: Cylinder Head ), ( Material: Aluminum ), ( Performance Part: No )

Review MERCEDES benz Bluetec Oem 3.0l Diesel Engine Left Cylinder Head 98k fits ML350 W166 2012–2014

Detailed Product Description for Mercedes-Benz ML350 W166 Bluetec 12-14 3.0L Diesel Engine Left Cylinder Head (Part No. A6420109720)

The Mercedes-Benz ML350 W166 Bluetec 12-14 3.0L Diesel Engine Left Cylinder Head (Part No. A6420109720) is a precision-engineered component designed to ensure optimal performance and longevity for your Mercedes-Benz vehicle. This cylinder head is specific to the ML350 models produced between 2012 and 2014, featuring the advanced Bluetec 3.0L diesel engine (OM642).

Manufactured to exacting OEM standards, this cylinder head is engineered from high-quality materials to deliver uncompromising durability and reliability. The cylinder head houses the intake and exhaust valves, as well as the camshaft and spark plugs, playing a crucial role in the combustion process that powers your vehicle.

The A6420109720 left cylinder head is meticulously designed to accommodate the unique specifications of the ML350's Bluetec engine. This includes the integration of advanced technology such as NOx storage catalysts and selective catalytic reduction systems, which help reduce emissions and improve fuel efficiency.

By replacing a worn or damaged cylinder head with this genuine Mercedes-Benz part, you can restore your vehicle's performance to factory specifications. This not only ensures a smoother, quieter, and more efficient driving experience, but also helps maintain the resale value of your vehicle.

In summary, the Mercedes-Benz ML350 W166 Bluetec 12-14 3.0L Diesel Engine Left Cylinder Head (Part No. A6420109720) is an essential component for maintaining the high-performance capabilities and long-term reliability of your Mercedes-Benz ML350. Trust only genuine OEM parts for your vehicle to ensure consistent, trouble-free performance.

Analysis of Mercedes-Benz A6420109720 ML350 W166 Bluetec (12-14, 3.0L Diesel Engine, Left Cylinder Head)

1. Reliability: Mercedes-Benz is renowned for its durability and long-lasting performance. The ML350, in particular, is known for its robustness and dependability.

2. Fuel Efficiency: The diesel engine offers excellent fuel efficiency compared to its gasoline counterparts, which can lead to significant savings over time.

3. Performance: The 3.0L V6 diesel engine provides a powerful and smooth driving experience, making it enjoyable for both short and long trips.

4. Luxury: As a Mercedes-Benz model, the ML350 offers premium luxury features, such as a comfortable interior, advanced technology, and a high-end finish.

1. Maintenance Costs: Diesel engines, while efficient, can be more expensive to maintain due to the complexity of their components and the need for specific maintenance procedures.

2. Repair Costs: If a problem arises with the left cylinder head, it could potentially be costly to repair or replace, given its integral role in the engine's operation.

3. Potential Emission Issues: Some older diesel engines may have emission concerns, but the ML350 Bluetec model is equipped with advanced emission control technology to mitigate this issue.

4. Depreciation: Luxury vehicles, including Mercedes-Benz models, tend to depreciate faster than other vehicles due to their high initial cost and high production numbers.

Conclusion: While the Mercedes-Benz A6420109720 ML350 W166 Bluetec offers a combination of luxury, performance, and fuel efficiency, potential buyers should be aware of the higher maintenance and repair costs associated with diesel engines, particularly the left cylinder head. It is crucial to have a thorough inspection performed by a trusted mechanic to assess the current condition of the engine and any potential issues before making a purchase. If the vehicle is found to be in good condition and the buyer is prepared for the higher costs of diesel vehicle ownership, then this model could be an excellent choice.

Recommendation: Prospective buyers should consider purchasing a Certified Pre-Owned (CPO) Mercedes-Benz ML350 Bluetec, which comes with warranty coverage, extended inspection, and potentially lower prices compared to brand-new vehicles. This option can help offset some of the potential maintenance and repair costs while still offering the luxury, performance, and fuel efficiency that this model is known for.

Details:

Declared values of each package are according to the actual value that.

part #: a6420109720 prices

• $174.30-$470.14

specifications cylinderheapar:

• for models: Ml350, W166
• for makes: Mercedes
• for years: 2012-2014
• mpn: A6420109720
• type: Cylinder Head
• material: Aluminum
• performance part: No

offer cylinderheapar:

• availability: In Stock
• quantity: 1
• started: November 12, 2025
• best offers: True
• sold: 0
• options: Ship-to-home

payments cylinderheapar:

• credit card: Visa
• other
• wallet: Apple-pay

returns cylinderheapar:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

shipping cylinderheapar:

• transit: 2-6 Days
• type: Fixed
• class: Standard
• service: UPS Ground
• carrier: UPS
• cost: $70.00

seller cylinderheapar:

• city: Rancho Cordova, California
• rating: 98.5%
• # reviews: 328

general cylinderheapar:

• Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads
• condition: Used

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