Product Overview

This high-precision HP5-H1 Plunger and Element Set is a direct replacement for critical fuel injection pumps used in modern diesel engines. Designed for global B2B distribution, this component is rigorously tested to meet or exceed OEM performance standards. We serve major markets across North America, Europe, Asia-Pacific, and the Middle East, ensuring reliable supply chains for automotive repair shops, engine rebuilders, and parts distributors worldwide.

Key Features & Benefits

• Premium Material Construction: Manufactured from high-speed steel for exceptional wear resistance and extended service life under high-pressure injection cycles.
• Precision Engineering: Machined to tight tolerances (HP5-H1 specification) to ensure optimal fuel atomization, improved engine performance, and reduced emissions.
• 100% Professional Testing: Every plunger and element is individually tested for dimensional accuracy and hydraulic performance before shipment.
• Direct OEM Replacement: Designed as a drop-in replacement for models 22100-0e010, 22100-0e020, 299000-0040, and 299000-0050, minimizing installation time.
• Cost-Effective Solution: Offers significant savings compared to purchasing a complete pump assembly while maintaining OEM-level reliability.

Technical Specifications

OEM Cross-Reference

This plunger set is compatible with the following OEM and reference numbers:

• 22100-0e010 (Primary Reference)
• 22100-0e020 (Alternate Reference)
• 299000-0040 (Denso/Common Rail Pump Reference)
• 299000-0050 (Denso/Common Rail Pump Reference)
• HP5-H1 (Plunger Assembly Spec)

Note: This part is designed as a direct replacement. Always verify your existing pump’s plunger specification before ordering.

Compatibility

Engine Applications: Designed for use in modern diesel engines equipped with HP5 injection pumps. Commonly found in heavy-duty diesel vehicles and industrial machinery.

Vehicle Fitment: Suitable for a wide range of diesel cars and light commercial vehicles. Specific models include those using Denso HP5 fuel injection systems with the 1GD/2GD engine platform.

Global Supply & Distribution

We offer reliable worldwide shipping with fast delivery times (typically 3-7 days). Our logistics network covers:

• North America: Fast shipping to major ports (Los Angeles, Houston, New York) and industrial hubs (Chicago, Detroit, Toronto).
• Europe: Efficient distribution to Rotterdam, Hamburg, Antwerp, and key inland centers (Milan, Stuttgart, Birmingham).
• Asia-Pacific: Direct supply to Singapore, Tokyo, Shanghai, Sydney, and major manufacturing zones.
• Middle East & Africa: Reliable delivery to Dubai, Jeddah, Istanbul, and Lagos.

We maintain compliance with international trade regulations and have extensive export experience. MOQ is 5 pieces, with bulk discounts available for larger orders.

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities with strict quality control processes.
• Testing: Each unit undergoes 100% professional testing for hydraulic performance, dimensional accuracy, and material integrity.
• Warranty: Backed by a comprehensive 6-month warranty against manufacturing defects.

FAQ

Q1: How do I confirm this plunger set is compatible with my pump?

Check the existing plunger in your injection pump. The part number should match one of the reference numbers listed (22100-0e010, 22100-0e020, 299000-0040, or 299000-0050). Also verify the plunger diameter and stroke match the HP5-H1 specification. If unsure, measure the length and diameter of your current plunger and compare it to our technical data sheet.

Q2: What is the installation procedure for this plunger and element set?

Installation requires specialized tools and should be performed by a qualified diesel technician. The process involves: (1) Removing the pump head assembly, (2) Carefully extracting the old plunger and element, (3) Cleaning the bore thoroughly, (4) Lubricating the new plunger with clean diesel fuel, (5) Installing the new element and plunger with proper alignment, and (6) Reassembling and calibrating the pump. Always follow the manufacturer’s service manual for your specific pump model.

Q3: How can I maximize the lifespan of this plunger set?

To ensure long service life: Use clean, high-quality diesel fuel with proper filtration. Replace fuel filters regularly. Maintain the correct injection timing and pump pressure. Avoid running the engine with contaminated fuel. If the pump shows signs of wear (hard starting, poor performance, black smoke), inspect the plunger set immediately. Proper installation and initial calibration are critical for achieving the full 6+ month service life.