YN21P01104F1 FUEL FILTER ASSY

Product Overview

The YN21P01104F1 Fuel Filter Assy is a critical maintenance component for Kobelco SK200-8, SK210LC-8, SK250-8, and SK350LC-8 excavators. This complete fuel filter assembly ensures that clean, contaminant-free fuel reaches the engine’s injection system, which is essential for reliable starting, optimal combustion, and long engine life .

The Kobelco SK200-8 and SK210LC-8 are 20-21 ton class excavators, while the SK250-8 is a 25-ton class machine, and the SK350LC-8 is a 35-ton class large excavator. These models are powered by Hino J05E or J08E diesel engines that utilize common rail fuel injection systems operating at pressures up to 1,800 bar (26,000 PSI). These precision fuel systems are extremely sensitive to contamination and require clean fuel for reliable operation .

The fuel filter assembly removes water, sediment, and microscopic particles from diesel fuel before they can reach the sensitive fuel injection pump and injectors. A clogged or inefficient fuel filter can lead to hard starting, loss of power, engine stalling, and expensive fuel system damage. Replacing a worn or clogged filter with this OEM-spec YN21P01104F1 assembly restores proper fuel flow and engine protection.

Key Features

• OEM Specification Compliance: Manufactured to meet the exact filtration efficiency and dimensional specifications required by Kobelco for the SK200-8, SK210LC-8, SK250-8, and SK350LC-8 excavators .

• Complete Assembly: Includes the filter housing and filter element for a comprehensive replacement.

• Efficient Water Separation: Engineered to separate and collect water from diesel fuel, preventing corrosion and injector damage.

• High-Density Filter Media: Premium filter paper or synthetic media provides excellent particle capture while maintaining proper fuel flow rates for Hino J05E/J08E engines .

• High-Pressure Capability: Designed to withstand the operating pressures of common rail fuel systems, typically up to 420 psi (29 MPa) .

• Direct Replacement: Matches OEM mounting dimensions and fuel line connections for a perfect fit with no modifications required.

• Durable Construction: Filter housing and sealing components resist corrosion from water, fuel additives, and environmental exposure.

• OEM Part Number Cross-Reference: Replaces Kobelco part number YN21P01104F1 .

Compatibility

This fuel filter assembly is a direct replacement for the following Kobelco excavator models:

Compatible Excavator Models

• Kobelco SK200-8 (Serial No. YN11-45001~) 

• Kobelco SK210LC-8 (Serial No. YQ11-06001~) 

• Kobelco SK250-8

• Kobelco SK350LC-8

Engine Compatibility

• Hino J05E (4-cylinder, 5.123L, SK200-8/SK210LC-8/SK250-8)

• Hino J08E (6-cylinder, 7.661L, SK350LC-8)

Part Number Reference

Also Known As: Fuel Filter Assembly, Diesel Filter Assembly, Fuel Water Separator, Fuel Filtration Assembly

Please verify your machine’s serial number and compare with your original part before purchasing.

Why Fuel Filtration Matters for 8-Series Excavators

The Hino J05E and J08E engines in Kobelco 8-series excavators utilize common rail fuel systems that operate at pressures up to 1,800 bar (26,000 PSI). These systems have extremely tight tolerances and are sensitive to contamination .

What Happens Without Proper Fuel Filtration

Service Recommendations

According to Kobelco service documentation, the fuel filter should be inspected and replaced at recommended intervals . Operating in dusty environments or using fuel from questionable sources may require more frequent changes.

Signs Your Fuel Filter Assembly Needs Replacement

The fuel filter is a routine maintenance item that requires regular replacement. Replace your YN21P01104F1 fuel filter assembly if you observe:

1. Scheduled Maintenance Interval: Following the manufacturer’s recommended service intervals is the best practice. Harsh or dusty environments may require more frequent changes.

2. Hard Starting: Difficulty starting the engine, especially when cold, may indicate a restricted fuel filter.

3. Loss of Power: A clogged fuel filter restricts fuel flow, resulting in reduced power output and sluggish performance under load.

4. Engine Stalling: Intermittent stalling or hesitation can be caused by fuel starvation from a blocked filter.

5. Dark or Discolored Filter: Visual inspection showing a dark, dirty, or contaminated filter element indicates it is time for replacement.

6. Water in Fuel Warning: If water is found in the filter bowl or the machine has a water-in-fuel warning, immediate replacement is required.

7. After Fuel Contamination Event: If the machine has been refueled with contaminated fuel or from a questionable source, replace the filter immediately.

8. High Operating Hours: Proactive replacement during scheduled maintenance prevents unexpected fuel-related failures.

Benefits

Why choose our YN21P01104F1 Fuel Filter Assembly for your Kobelco excavator?

1. Protects Expensive Fuel System Components: The fuel injection pump and injectors on the Hino J05E/J08E engines are costly to replace. A quality fuel filter is inexpensive insurance against fuel system damage.

2. Prevents Injector Failure: Modern common rail injectors have extremely tight tolerances. Even microscopic particles can cause scoring, sticking, or complete injector failure .

3. Maintains Engine Performance: Clean fuel ensures proper combustion, maintaining full engine power output for demanding digging and lifting applications.

4. Improves Fuel Efficiency: A clean filter allows proper fuel flow, helping the engine maintain optimal fuel combustion and efficiency.

5. Extends Engine Life: Preventing contamination from reaching the fuel system reduces overall engine wear and extends service life.

6. Reduces Downtime: Regular filter changes prevent unexpected fuel-related breakdowns that would otherwise shut down your job site.

7. Ensures Reliable Cold Starting: A clean filter with proper water separation ensures reliable starting even in cold weather conditions.

8. OEM-Quality Assurance: Manufactured to meet or exceed original equipment standards for reliable performance .

Installation Tips

• Professional Installation Recommended: While fuel filter replacement is relatively straightforward, proper installation requires attention to cleanliness and priming procedures.

• Clean Work Environment: Thoroughly clean the area around the fuel filter assembly before removal to prevent contamination from entering the fuel system.

• Relieve Fuel System Pressure: Consult your service manual for proper fuel system pressure relief procedures before disassembly.

• Check Seals: Ensure all O-rings and seals are properly seated and undamaged during installation.

• Prime the System: After installation, prime the fuel system according to the manufacturer’s procedure before attempting to start the engine.

• Check for Leaks: After installation and starting, inspect for any fuel leaks around the filter assembly.

• Dispose Properly: Used fuel filters contain trapped contaminants and should be disposed of in accordance with local environmental regulations.

• Record Service Date: Note the replacement date and operating hours for future maintenance planning.

Why Choose Our YN21P01104F1 Fuel Filter Assembly?

We understand that Kobelco 8-series excavators are reliable, hard-working machines used in demanding applications. The Hino J05E and J08E engines are known for their durability and efficiency, but they require clean fuel to perform at their best.

Our YN21P01104F1 Fuel Filter Assembly is manufactured to strict quality standards with the correct filtration media, water separation capability, and dimensional specifications for your excavator. Whether you are performing routine scheduled maintenance, troubleshooting a fuel-related performance issue, or stocking critical spares for your fleet, you can trust our fuel filter assembly to deliver the protection your Hino J05E or J08E engine requires.

Technical Specifications

Order your YN21P01104F1 Fuel Filter Assembly today and protect your Kobelco excavator’s fuel system from contamination damage. In stock and ready for immediate worldwide shipping. Bulk pricing available for fleet maintenance and scheduled service kits.

Need help confirming compatibility?

Please contact our expert parts team at [ +8613427020740 ] or [ zmimi917@gmail.com ]. We will be happy to find the right parts for you quickly.

Disclaimer: We are not an official agent, distributor, or authorized dealer of Kobelco Construction Machinery. Kobelco® and all associated model names and part numbers are registered trademarks of their respective owners. All products offered are genuine OEM parts sourced through legitimate,  supply channels. Product specifications subject to manufacturer updates.