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Valve guide 12454373 for MWM TCG 2020 engines

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Valve guide MWM 12454373 
suitable for MWM TCG 2020 engines
12454373; 1245-4373; 1245 4373
Old number:
12301520 ; 1230-1520 ; 1230 1520
  • 12454373

  • MWM

  • 12454373

  • MWM TCG 2020 engines

  • 0.1 kg

Product Description

In the context of engines like the MWM TCG 2020, valve guides play a crucial role in ensuring proper operation and longevity of the engine's valves. Here's a breakdown of what you need to know about valve guides for these engines:

Function of Valve Guides:

  1. Guidance and Support: Valve guides are cylindrical sleeves typically made of bronze or other durable materials. They guide the valve stem within the cylinder head, providing stability and minimizing lateral movement during operation.

  2. Heat Dissipation: Valve guides also help dissipate heat from the valve stem, which is essential in high-temperature engine environments like those found in the MWM TCG 2020 series.

Key Considerations for Valve Guides in MWM TCG 2020 Engines:

  1. Material: Valve guides are often made of materials like bronze or special alloys that offer good wear resistance and heat dissipation properties. The choice of material depends on factors such as engine design, operating conditions, and maintenance requirements.

  2. Compatibility: Valve guides must be compatible with the specific model and configuration of the MWM TCG 2020 engine. They should meet the manufacturer's specifications to ensure proper fitment and performance.

  3. Maintenance: Proper maintenance of valve guides includes regular inspection for wear and replacement as necessary. Over time, valve guides can wear out due to friction and heat, potentially causing valve seating issues and affecting engine performance.

  4. Installation and Replacement: When replacing valve guides, it's crucial to follow the engine manufacturer's guidelines and use OEM (Original Equipment Manufacturer) or high-quality aftermarket parts that meet the required specifications.

Importance in Engine Performance:

  • Valve Sealing: Properly functioning valve guides contribute to the effective sealing of the valves during operation, which is critical for maintaining compression and combustion efficiency in the engine.

  • Durability: High-quality valve guides contribute to the overall durability and reliability of the engine, reducing the risk of premature wear and failure of valve components.


Valve guides are integral components in the MWM TCG 2020 engine, supporting valve operation, heat dissipation, and overall engine performance. Ensuring they are properly maintained and replaced when necessary is essential for maximizing the engine's efficiency, reliability, and service life. If you require specific technical details or part numbers for valve guides for the MWM TCG 2020, consulting the engine's operation and maintenance manual or contacting a certified MWM service provider would provide precise information tailored to your needs.


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