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Water Pump 121000-42100 for Yanmar 2GM20F 2GMF 3GM30F 3GMF 3HM 3HM35F 3HMF

Water Pump 121000-42100 for Yanmar 2GM20F 2GMF 3GM30F 3GMF 3HM 3HM35F 3HMF

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$142.99
Sale price  $142.99 Regular price 

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I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.

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Product Overview

This New Water Pump is designed to provide efficient coolant circulation for various for Yanmar marine diesel engines. This water pump ensures stable operating temperatures to protect internal engine components from overheating during operation. This replacement part is ideal for boat owners and marine mechanics performing routine maintenance or cooling system repairs on for Yanmar power plants.

Key Features & Performance

  • Precision-machined housing ensures proper fitment and alignment with the engine block
  • High-flow impeller design provides consistent coolant circulation to maintain optimal engine temperature
  • Includes mounting gasket to facilitate a leak-free installation and secure seal
  • Constructed to match original equipment dimensions for straightforward replacement without modifications
  • Compatible with both freshwater and closed-loop cooling systems found in marine applications

Fitment & Compatibility

  • for Yanmar 2GM, 2GMF, 2GM20F, 2GM20F-YEU
  • for Yanmar 3GM, 3GMF, 3GM30F, 3GM30F-YEU
  • for Yanmar 3HM, 3HM35F, 3HMF
  • for Yanmar 2T72, 3T72HL, 3T75, 3T75HA-S
  • Matches part numbers 121000-42100, 121000-42101, 12100042100, 12100042101

Common Uses

  • Replacing worn or leaking circulation pumps on sailboat and small craft engines
  • Restoring cooling system efficiency to prevent engine overheating and potential damage
  • Routine marine engine overhaul and preventative maintenance schedules

Technical Specifications

  • Product Type: Water Pump
  • Part Number(s): 121000-42100, 121000-42101
  • Brand Compatibility: for Yanmar
  • Application: Marine Diesel Engines
  • Package Includes: 1 Water Pump, 1 Gasket

Frequently Asked Questions

Q: How can I confirm this water pump fits my specific engine? A: Compare your current pump's part number or your engine model name against the compatibility list provided in the product description.

Q: Does this pump include the necessary gaskets for installation? A: Yes, this water pump comes with the required mounting gasket to ensure a proper seal during the installation process.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.

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