Product Overview

This high-performance Common Rail Fuel Injection Pump (Model: 294000-0039) is a direct replacement for DENSO HP3/HP4 series systems. Designed for heavy-duty diesel truck engines, this unit ensures precise fuel delivery for optimal combustion efficiency. Sourced from a leading manufacturer in Shandong, China, our pumps are rigorously tested and shipped globally to markets in North America, Europe, Southeast Asia, and the Middle East. Ideal for fleet maintenance, repair shops, and wholesale distributors.

Key Features & Benefits

• Precision Engineering: 100% new build with OEM-spec tolerances for reliable fuel metering under high pressure.
• Durability: Constructed with hardened steel components to withstand extreme operating conditions and reduce wear.
• Direct Fitment: Exact match to OEM part numbers 294000-1390, 294000-1391, and 370-8364 for hassle-free installation.
• Fuel Efficiency: Optimized rail pressure control reduces fuel consumption and emissions in modern diesel engines.
• Rigorous Testing: Each pump undergoes pressure, flow, and leak testing to ensure zero-defect quality.

Technical Specifications

OEM Cross-Reference

This pump is a direct replacement for the following OEM and cross-reference numbers:

• DENSO: 294000-1390
• DENSO: 294000-1391
• Caterpillar / Other: 370-8364
• Model Number: 294000-0039

Note: Always verify your existing part number before purchase to ensure compatibility.

Compatibility

• Engine Applications: Designed for heavy-duty diesel engines used in trucks, construction equipment, and agricultural machinery.
• Vehicle Models: Suitable for various diesel trucks and buses utilizing DENSO HP3 or HP4 common rail systems.
• Year Range: Typically compatible with engines manufactured from 2005 onwards. Check specific engine code for confirmation.

Global Supply & Distribution

We serve a global B2B clientele with fast and reliable logistics solutions:

• Shipping Partners: DHL, UPS, FedEx, EMS, TNT – offering express and economy options.
• Major Markets: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands, Poland), Asia-Pacific (Japan, South Korea, Australia), Middle East (UAE, Saudi Arabia), and South America (Brazil, Argentina).
• Delivery Time: 3-7 working days for in-stock items.
• Ports & Hubs: Efficient shipping from Qingdao/Shenzhen ports to major industrial centers worldwide.
• Export Compliance: All shipments comply with international trade regulations and are properly documented.

Quality Assurance

• Manufacturing Standard: Produced in ISO-certified facilities with strict quality control processes.
• Testing: 100% tested for pressure calibration, leak integrity, and flow rate before packaging.
• Warranty: 6-month warranty against manufacturing defects. Contact us for warranty claims support.
• Packaging: Secure, export-grade packaging to prevent damage during transit. Custom packaging available upon request.

FAQ

Q1: Is this pump a direct bolt-on replacement for the original DENSO pump (294000-1390)?

Yes. This unit is manufactured to match the exact dimensions and mounting points of the OEM part (294000-1390/1391). However, we recommend comparing the fuel line connections and electrical connector type on your existing pump to ensure a perfect fit. The pump includes the high-pressure outlet but may require transferring your old fuel metering valve if applicable.

Q2: What are the recommended installation precautions for this common rail pump?

Installation should be performed by a qualified diesel technician. Critical steps include: (1) Pre-lubricating the pump with clean diesel fuel before cranking. (2) Ensuring the fuel system is free of contaminants (use a fuel filter). (3) Torque mounting bolts to manufacturer specifications. (4) After installation, prime the system and check for leaks before starting the engine. Failure to follow these steps can cause immediate pump damage.

Q3: How should I maintain this pump to ensure a long service life?

Key maintenance tips: (1) Always use high-quality diesel fuel and replace fuel filters at OEM intervals. (2) Avoid running the fuel tank low to prevent air ingestion. (3) Monitor the fuel system for water contamination. (4) If the vehicle sits unused for long periods, use a fuel stabilizer. The pump’s internal lubrication relies on diesel fuel, so fuel quality is critical for longevity.