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Hunan Chengzhai Machinery Equipment Co., Ltd.

  • China,Changsha ,Hunan
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China DEUTZ MWM 12420021 (Crankshaft Thrust Washer, STD)
China DEUTZ MWM 12420021 (Crankshaft Thrust Washer, STD)

  1. China DEUTZ MWM 12420021 (Crankshaft Thrust Washer, STD)

DEUTZ MWM 12420021 (Crankshaft Thrust Washer, STD)

  1. MOQ: 1
  2. Price: Call for discussion
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Packaging Details Original packaging
Delivery Time 15days
Function Restrict crankshaft axial play, bear axial thrust and keep the crankshaft in stable position
Part Number 12420021 (OEM original part, standard thickness)
Material Steel backing with babbitt alloy coating (same as main bearings), featuring excellent wear resistance and impact resistance
Type Thrust Washer (2 semi-circular pieces per set)
Supply Ability 9999
Applicable Models MWM TBG620 V12/V16/V20 and TBD620 series gas & diesel engines
Installation Position Installed on both sides of the 4th main bearing, one piece on the top and one on the bottom
Payment Terms T/T
Model Number 12420021
Brand Name MWM DEUTZ
Place of Origin Germany

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  1. Product Details
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Product Specification

Packaging Details Original packaging Delivery Time 15days
Function Restrict crankshaft axial play, bear axial thrust and keep the crankshaft in stable position Part Number 12420021 (OEM original part, standard thickness)
Material Steel backing with babbitt alloy coating (same as main bearings), featuring excellent wear resistance and impact resistance Type Thrust Washer (2 semi-circular pieces per set)
Supply Ability 9999 Applicable Models MWM TBG620 V12/V16/V20 and TBD620 series gas & diesel engines
Installation Position Installed on both sides of the 4th main bearing, one piece on the top and one on the bottom Payment Terms T/T
Model Number 12420021 Brand Name MWM DEUTZ
Place of Origin Germany
12420021 is a standard size crankshaft thrust washer for DEUTZ MWM 620 series engines. It limits the axial movement of the crankshaft and is used together with main bearings 12420020 / 12420022.

1. Basic Information

  • Part Number: 12420021 (OEM original part, standard thickness)
  • Type: Thrust Washer (2 semi-circular pieces per set)
  • Applicable Models: MWM TBG620 V12/V16/V20 and TBD620 series gas & diesel engines
  • Material: Steel backing with babbitt alloy coating (same as main bearings), featuring excellent wear resistance and impact resistance
  • Function: Restrict crankshaft axial play, bear axial thrust and keep the crankshaft in stable position
  • Installation Position: Installed on both sides of the 4th main bearing, one piece on the top and one on the bottom
  • Original Reference Price (2026): Approximately €85–95 per set (exclusive of tax)
  • Related Parts:
    • 12420020 / 12420022: Matching main bearings
    • 12420024: Connecting rod bearing

2. Technical Parameters & Installation

  • Standard Axial Clearance: 0.10–0.20 mm. Replace the washer if the clearance exceeds the specified range.
  • Installation Direction: Place the grooved side against the thrust surface of the crankshaft, and the plain side against the cylinder block. Keep the locating tabs facing outwards.
  • Common Failures: Alloy layer wear, peeling and ablation, which will cause excessive crankshaft axial movement, abnormal noise and severe vibration.
  • Overhaul Interval: Replace together with main bearings and connecting rod bearings every 8000–10000 operating hours.

Company Details

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 from Quality China Factory
  • Business Type:

    Trading Company,Seller,Exporter,Importer,Distributor/Wholesaler,Manufacturer,Agent

  • Year Established:

    2023

  • Total Annual:

    CNY 20M-CNY 50M

  • Employee Number:

    10~49

  • Ecer Certification:

    Verified Supplier

Chengzai Machinery mainly operates products suitable for imported brands of road machinery, mining equipment, construction machinery, generator sets, ship power systems, etc.: drilling rig spare parts, air compressor spare parts, tunneling machine spare parts, excavator-loader spare parts, engine sp... Chengzai Machinery mainly operates products suitable for imported brands of road machinery, mining equipment, construction machinery, generator sets, ship power systems, etc.: drilling rig spare parts, air compressor spare parts, tunneling machine spare parts, excavator-loader spare parts, engine sp...

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Get in touch with us

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  • Hunan Chengzhai Machinery Equipment Co., Ltd.
  • Changsha Avenue, Yuhua District, Changsha, Hunan, China (Changsha) ASEAN Economic and Trade Cooperation Headquarters Base 1209
  • https://www.czjx-parts.com/

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