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Excavator Fuel Filter Protects Engine

Other Engine Parts
January 20, 2026
Category Connection: Other Engine Parts
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Tags:
#Electric Fuel Pump #Engine Fan Blade #diesel fuel separator
Brief: In this video, we demonstrate how the 233-9856 Fuel Filter protects the CAT C4.4 engine in E308 excavators. Follow the narrative to see how small design choices affect everyday performance, including how it pre-separates water and large impurities from fuel to prevent damage to high-pressure fuel pumps and injection systems in high-dust, high-humidity construction environments.
Related Product Features:
  • Designed for CAT C4.4 engine in E308 excavators and compatible with multiple CAT and Komatsu models.
  • Pre-separates water and large impurities from diesel fuel to protect engine components.
  • Reduces risk of water entering high-pressure fuel pump and injection system.
  • Offers excellent fuel-water separation efficiency for reliable performance.
  • Suitable for high-dust and high-humidity working conditions in construction machinery.
  • Helps extend the overall service life of the fuel system.
  • Compatible with CAT skid steer loaders, compact excavators, wheel loaders, and Komatsu excavators.
  • Interchangeable with part numbers 250-6527, 361-9555, and other OEM equivalents.
FAQs:
  • Which engine models is this Fuel Filter compatible with?
    This 233-9856 fuel filter is designed for CAT C4.4 engines in E308 excavators and is compatible with multiple CAT models including skid steer loaders (236B, 246C, etc.), compact excavators (303.5C, 305C, etc.), wheel loaders (906, 908H, etc.), and Komatsu excavators (PC75-1, PC80MR-3, etc.).
  • Can you provide cross-reference information for OEM part numbers?
    Yes, we support original part interchange. This filter is interchangeable with part numbers 233-9856, 250-6527, 361-9555, and their variations. Please provide your original part number for verification.
  • What is the primary function of this fuel filter?
    The primary function is to pre-separate water and large impurities from diesel fuel, effectively reducing the risk of water entering the high-pressure fuel pump and injection system, which is crucial for engine protection in demanding construction environments.
  • Do you test all products before shipping?
    Yes, we conduct 100% testing before shipping to ensure product quality and performance reliability.
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