2015/02/20 Caterpillar


New Front and Rear Crankshaft Seals Are Now Used on Certain 3500 and G3500 Engines {1160, 1161}

Usage:

793B 1HL
Engine: Commercial
  • G3500 Family
    Engine:
  • All 3500 Engines
  • Engine News SEBD9997, 10 July 2015, "New Front and Rear Crankshaft Seals Are Now Used on Certain 3500 and G3500 Engines". Disregard the previous article, the effective date has been updated.

    Description of Change: The new front and rear crankshaft seals have an improved design that is more robust against debris ingestion, carbonization, and wearing out.

    Adaptable To: The new crankshaft seals are a direct replacement for the former crankshaft seals. The new front and rear crankshaft seals are adaptable to the above engines back to first production.

    The new crankshaft seals and former crankshaft seals are listed in Table 1.

    Table 1
    New Part     Former Part    
    436-1478 Crankshaft Seal     113-8432 Crankshaft Seal    
    436-1479 Crankshaft Seal     113-8433 Crankshaft Seal    
    484-7863 Tool As     6V-4003 Seal Locator As    
    This change is effective on new 3500 and G3500 Engines built on or after 17April 2015.

    This change is effective on Reman 3500 and G3500 Engines built on or after 17April 2015.

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