S4K 3064 Fuel Injector Assy 5i7928 5i7938 For Caterpillar Diesel Engine Spare Parts

Product Details

Product Overview

This high-quality Fuel Injector Assembly is a critical component designed for Caterpillar diesel engines, specifically engineered for the S4K engine model. As a direct replacement for part numbers 5i7928 and 5i7938, this injector ensures precise fuel delivery and optimal combustion efficiency. The assembly is manufactured to meet OEM specifications, making it suitable for a wide range of heavy-duty applications including construction machinery, industrial equipment, agricultural tractors, generator sets, marine engines, and material handling systems.

Each injector undergoes rigorous testing to guarantee reliable performance under demanding operating conditions. Whether you are maintaining a fleet of excavators or servicing stationary power generation equipment, this injector assembly provides the durability and precision required for sustained engine operation.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM tolerances (5i7928 / 5i7938) for guaranteed fitment and consistent fuel atomization.
• Enhanced Durability: Constructed with hardened steel components to withstand high injection pressures and extreme thermal cycles.
• Improved Fuel Economy: Optimized spray pattern reduces fuel consumption and minimizes exhaust emissions in Caterpillar S4K diesel engines.
• Direct Replacement: Drop-in ready assembly with no modifications required – saves valuable installation time and labor costs.
• Comprehensive Testing: Each unit passes flow rate, pressure, and leakage tests before shipping to ensure 100% operational reliability.
• Versatile Application: Suitable for construction, agriculture, marine, and industrial sectors where Caterpillar S4K engines are deployed.

Technical Specifications

OEM Cross-Reference

This fuel injector assembly is a direct cross-reference for the following OEM part numbers:

• 5i7928 – Original Caterpillar injector
• 5i7938 – Alternative Caterpillar injector
• 3064 – Engine series reference

These numbers are interchangeable and can be used for replacement in Caterpillar S4K diesel engines. Always verify your engine’s serial number and existing part number before ordering.

Compatibility

This injector is commonly used for the following applications:

• Engine Models: Caterpillar S4K (3064 series)
• Equipment Types: Excavators, loaders, bulldozers, backhoes, generators, agricultural tractors, marine propulsion systems, and industrial pumps
• Sectors: Construction, mining, agriculture, power generation, marine, and material handling

Note: Fitment is based on engine model compatibility. Please confirm your specific equipment’s engine configuration before purchase.

Global Supply & Distribution

We maintain robust global supply chains to serve B2B buyers worldwide. Our distribution network covers:

• North America: Fast shipping to major ports including Los Angeles, Houston, New York, and Vancouver
• Europe: Regular deliveries to Rotterdam, Hamburg, Antwerp, and Felixstowe
• Asia-Pacific: Direct shipping to Singapore, Shanghai, Tokyo, and Sydney
• Middle East & Africa: Reliable service to Dubai, Jeddah, and Durban
• South America: Efficient logistics to Santos, Buenos Aires, and Valparaiso

We offer flexible shipping options including air freight, sea freight, and express courier services to meet urgent requirements. All exports comply with international trade regulations and customs documentation.

Quality Assurance

Every fuel injector assembly is produced in ISO-certified facilities in Guangdong, China. Our quality control process includes:

• Incoming Material Inspection: All raw materials are tested for metallurgical composition and hardness
• In-Process Checks: Dimensional verification using CMM (Coordinate Measuring Machine) equipment
• Functional Testing: 100% flow rate, spray pattern, and pressure testing
• Video Outgoing Inspection: Available upon request for order verification
• Machinery Test Report: Provided with each shipment for quality documentation
• Warranty Coverage: 6-month defect liability period against manufacturing defects

FAQ

Q: How do I confirm this injector fits my Caterpillar engine?
A: Verify your engine’s model number (should be S4K or 3064 series) and check the existing injector part number. This assembly replaces 5i7928 and 5i7938. If your engine uses these numbers, it is a direct fit. If unsure, provide your engine serial number and we can cross-reference compatibility.

Q: What installation precautions should I take?
A: Ensure the fuel system is clean before installation. Replace fuel filters and bleed air from the system after fitting. Use new copper washers or O-rings (not included) for proper sealing. Torque injector hold-down bolts to manufacturer specifications to prevent leakage or damage.

Q: How should I maintain these injectors for maximum service life?
A: Use clean, high-quality diesel fuel with proper filtration. Change fuel filters at recommended intervals. Avoid running the engine on low fuel to prevent air ingress. Periodically check injector return flow rates during routine maintenance to detect early wear. Use fuel additives occasionally to reduce carbon deposits.