The Mercedes W204 OM651 Injector Mounting Bracket is a precise component of the diesel engine fuel system, responsible for the stable seating of the injector in the cylinder head. Its robust construction ensures secure fastening, promoting smooth engine operation and reducing the risk of fuel system leaks.
Specifications and technical data
- SKU: A6510160438
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A6510160438
- Substitutable numbers: A6510160438, A 651 016 04 38, BG
- Fuel type: Diesel
- Category: Fuel Injectors
Purpose and Function in the Injection System
The injector mounting bracket in the OM651 engine is responsible for stabilizing the injector's position relative to the combustion chamber. Proper seating of the injector in its socket is crucial for:
- maintaining a seal between the injector and the cylinder head,
- precise fuel atomization in the diesel engine,
- reducing vibrations and mechanical stress acting on the injector,
- minimizing the risk of exhaust blow-by and damage to injector seats.
A correctly chosen bracket is particularly important in modern diesel engines, where the accuracy of injector positioning directly affects the smoothness of operation, performance, and exhaust emissions.
Compatibility with Diesel Engines
The presented bracket is designed to work with the diesel engine's injection system, meaning its geometry, rigidity, and mounting method are adapted to the specific loads generated by a diesel unit. This ensures:
- maintaining a stable injector position even under high injection pressure,
- minimizing the risk of play leading to leaks and noise,
- supporting uniform cylinder operation, which translates to smoother torque delivery.
Selecting a bracket dedicated to a specific engine design is important for both durability and accurate diagnosis of potential injection system faults.
Product Characteristics and Service Application
The Mercedes W204 OM651 Injector Mounting Bracket is suitable for service applications such as replacing a damaged mounting element, repairing injector seats, or comprehensive fuel system overhaul. This type of component is particularly useful when:
- the old bracket has become deformed or suffered from wear and tear,
- exhaust blow-by has occurred around the injector,
- it is necessary to restore factory-spec clamping force after machining the seats or replacing seals.
A correctly chosen mounting element helps restore proper injector operating conditions, which is essential for the continued operation of the vehicle without further intervention in the fuel system.
Condition, Origin, and Benefits of Choosing a Used Part
The offered bracket is from the group of original Mercedes parts and is a used component, allowing for economical repair while maintaining compliance with the factory design. Choosing an original part from disassembly offers:
- preservation of geometry consistent with the manufacturer's design,
- better fit to the cylinder head and injector compared to many aftermarket alternatives,
- an optimal cost-to-quality ratio for injection system repairs.
Before installation, a standard inspection of the component is recommended, along with the use of new bolts and seals according to the service procedures for the specific engine.
Mercedes Injector Nozzles – Selection and Offer
If you are looking for other components in the Mercedes injector nozzles category, check out our dedicated offer: Mercedes injector nozzles. You will find a wide selection of injection system components tailored to various models and engine versions.
Technical Support and Knowledge of the Injection System
When performing service work related to injector mounting, it is beneficial to be aware of common signs of wear and damage. Detailed information on symptoms, consequences, and diagnostic methods can be found in the article: Diesel Injector Faults – How to Recognize Them and What Neglecting Them Entails. This provides practical knowledge for planning repairs to the fuel system in a diesel engine.
