Zexel Fuel Injector Nozzle Plunger K336 140163-4420 131154-1820-00 for 4HK1 Excavator Engine

Product Details

Product Overview

This offering presents a high-precision Zexel fuel injector nozzle plunger, specifically identified by part numbers K336, 140163-4420, and 131154-1820-00. Designed for demanding diesel engine applications, this component is a critical element within the fuel injection system, responsible for pressurizing fuel to the exact specifications required for efficient combustion.

The plunger is commonly used for the Isuzu 4HK1 engine model, which is a popular powerplant found in various excavators, trucks, and industrial machinery. While fitment can vary based on specific engine configurations and injector pump models, this part is engineered to meet the rigorous demands of heavy-duty operation. As a genuine component, it ensures reliable performance and longevity in the field.

For B2B buyers, sourcing the correct plunger is vital for maintaining engine efficiency and power output. This listing provides a direct replacement part for standard Zexel injection systems, offering a dependable solution for maintenance and repair operations.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM specifications for the 4HK1 engine, ensuring accurate fuel metering and injection timing for optimal engine performance.
• Genuine Quality: Sourced as a genuine part, providing the highest level of reliability and durability compared to aftermarket alternatives.
• Long-Lasting Durability: Constructed from high-grade alloy steel with a hardened surface to resist wear from high-pressure fuel and continuous operation, reducing downtime.
• Direct Replacement: Designed as a direct fit for Zexel injection systems using the K336, 140163-4420, and 131154-1820-00 specifications, simplifying the installation process.
• Enhanced Fuel Efficiency: A precisely matched plunger and barrel assembly ensures minimal fuel leakage, contributing to better fuel economy and reduced emissions.
• Operational Confidence: Backed by a 3-month warranty and video technical support, providing peace of mind for your repair or overhaul project.

Technical Specifications

OEM Cross-Reference

This plunger is a direct replacement for the following OEM and reference numbers. Please verify your existing part number for compatibility.

• Primary Part Number: 140163-4420
• Alternate Part Number: 131154-1820-00
• Zexel Model Code: K336
• Engine Reference: Isuzu 4HK1

Compatibility

This fuel injection plunger is specifically designed for Zexel fuel injection pumps. It is commonly used for the following applications:

• Engine Models: Isuzu 4HK1
• Vehicle Applications: Commonly found in excavators, wheel loaders, and heavy-duty trucks equipped with the Isuzu 4HK1 engine.

Important: While this part is designed for the 4HK1 engine, always confirm the specific injector pump model (e.g., Zexel) and plunger size before purchase to ensure correct fitment.

Global Supply & Distribution

We offer comprehensive global shipping solutions to meet the demands of international B2B clients. Our logistics network ensures fast and reliable delivery to major ports and industrial centers worldwide.

• Major Markets Served: North America, Europe (EU), Asia-Pacific, Middle East (GCC), South America, and Africa.
• Shipping Capabilities: We handle all export documentation, customs clearance, and international trade compliance for smooth transactions.
• Delivery Options: Express shipping (DHL, FedEx, UPS) for urgent orders and sea freight for bulk purchases to minimize costs.
• Distribution Centers: Inventory is strategically located to ensure rapid dispatch to key industrial hubs.

Quality Assurance

We prioritize quality to ensure every component meets the rigorous standards required for heavy-duty diesel engines.

• Manufacturing Standards: Parts are manufactured to meet or exceed original equipment specifications.
• Testing: Each plunger undergoes strict quality control checks, including dimensional inspection and surface finish analysis, to guarantee precision.
• Certification: We comply with international quality management standards for automotive parts distribution.
• Warranty: This product is backed by a 3-month warranty against manufacturing defects. Extended 6-month warranty options are available upon request.
• After-Sales Support: We provide video technical support to assist with installation and troubleshooting, ensuring your team can complete the job confidently.

FAQ

Q: How can I be sure this plunger will fit my engine?
A: First, verify your existing part number against the numbers listed (140163-4420 or 131154-1820-00). This plunger is specifically designed for Zexel injection systems on the Isuzu 4HK1 engine. If your part number matches and the engine model is correct, it is the right component. If you are unsure, please provide a photo of your old part or your engine’s serial number for our technical team to verify.

Q: What is the installation procedure for this plunger?
A: Installation should be performed by a qualified diesel mechanic. The process typically involves disassembling the injection pump, removing the old plunger and barrel assembly, and carefully installing the new one. It is critical to maintain absolute cleanliness during installation to prevent contamination. We offer video technical support to guide your technician through the process if needed.

Q: What maintenance is recommended for this part?
A: This is a wear item within the fuel injection system. To maximize its lifespan, ensure the fuel system is clean and free of water and contaminants. Always use high-quality fuel filters and replace them according to the engine manufacturer’s schedule. If you notice a loss of power, hard starting, or excessive smoke, it may indicate the plunger or other injection components need inspection or replacement.