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Yanmar 4TNV106 Crankshaft Seals

Other Engine Parts
December 29, 2025
Category Connection: Other Engine Parts
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Tags:
#Electric Fuel Pump #Engine Fan Blade #diesel fuel separator
Brief: Discover how the Yanmar 4TNV106 crankshaft front and rear oil seals work in this detailed explanation. Viewers will learn about the critical role these seals play in preventing engine oil leaks and keeping impurities out of the engine. The video demonstrates the high-temperature, oil-resistant materials and shows how their precise dimensions ensure easy installation and reliable performance during engine overhauls and maintenance.
Related Product Features:
  • Designed for crankshaft sealing in Yanmar 4TNV106 series diesel engines to prevent oil leakage and impurity entry.
  • Constructed from oil-resistant, high-temperature rubber and high-strength metal for durability.
  • Offers excellent elasticity and sealing properties for smooth crankshaft operation.
  • Performs reliably under high temperature, high pressure, and vibration conditions.
  • Easy to install with dimensions consistent with original factory standards.
  • Enhances engine lubrication system stability and overall performance.
  • Suitable for engine overhaul and routine maintenance applications.
  • Replaceable with part numbers 123672-01782 and 123672-01781.
FAQs:
  • What is the function of the Yanmar 4TNV106 crankshaft oil seals?
    They seal the crankshaft to prevent engine oil from leaking and stop impurities from entering the engine, protecting core components.
  • What materials are these crankshaft seals made from?
    They are manufactured from oil-resistant, high-temperature rubber combined with high-strength metal materials for excellent durability and performance.
  • Which engine models are these oil seals compatible with?
    They are designed for use in Yanmar 4TNV106 series diesel engines and are direct replacements for part numbers 123672-01782 and 123672-01781.
  • Are these seals easy to install during maintenance?
    Yes, they feature dimensions consistent with original factory standards, making replacement and repair straightforward.
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