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DEUTZ MWM TBG620 V16(6002) – 12300234 Intake Valve

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DEUTZ MWM TBG620 V16(6002) – 12300234 Intake Valve
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Features
Specifications
Structural Features: Flat Top, Large Valve Head And Slender Stem. The Valve Head Diameter Is Larger Than That Of The Exhaust Valve For The Same Engine Model. Made Of High-temperature Resistant Alloy Valve Steel.
Surface Treatment: Precision Ground Valve Stem, Chamfered Edge On Valve Head. Original Parts Are Treated With Nitriding Or Chrome Plating, Presenting Silvery Grey Or Light Golden Surface.
Overall Dimensions: Total Length Approx. 200–220 Mm, Valve Head Diameter Approx. 50–55 Mm, Stem Diameter Approx. 10 Mm, Compatible With Valve Guides Of 620 Series Engines.
Basic Infomation
Place of Origin: Germany
Brand Name: MWM DEUTZ
Model Number: 12300234
Payment & Shipping Terms
Packaging Details: Original packaging
Delivery Time: 15days
Payment Terms: T/T
Supply Ability: 9999
Product Description
12300234 is a dedicated intake valve for DEUTZ MWM 620 series engines. It is a key part of the valve train and compatible with TBG620 V16(6002) gas engine.

1. Basic Information

  • Part Number: 12300234 (OEM original part)
  • Type: Intake Valve
  • Applicable Models: MWM TBG620 V12/V16/V20 and TBD620 series gas & diesel engines
  • Material: High-temperature resistant alloy valve steel with reinforced valve head surface, featuring excellent wear resistance, high temperature resistance and corrosion resistance
  • Structure: Integral forging with precision ground valve stem for superior sealing performance
  • Original Reference Price (2026): Approximately €42–48 per piece (exclusive of tax)
  • Related Parts:
    • 12300235: Exhaust Valve
    • Valve seat insert, valve guide and valve spring (matching parts)

2. Functions & Features

It controls the intake stroke of the cylinder. When opened, it draws in air-fuel mixture or fresh air; when closed, it seals the combustion chamber.

The valve can withstand long-term high temperature, high pressure and reciprocating impact loads, suitable for continuous operation of the unit.

3. Common Failures & Replacement

  • Common issues: Valve head wear, ablation, carbon deposit, valve stem scoring and poor sealing, which will lead to power reduction, abnormal exhaust and increased fuel consumption.
  • Replacement Interval: Inspect and replace during major overhaul every 8000–10000 operating hours under normal operation.

4. Installation Instructions

  1. Thoroughly clean carbon deposits and dirt on valves, valve seats and guides before installation.
  2. Check valve clearance. Standard intake valve clearance: 0.30–0.35 mm.
  3. Ensure full seating of the valve without air leakage.
  4. Apply special lubricant during assembly to prevent valve stem sticking.

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