Fujian BQ Machinery Development Co., Ltd. | High-Quality Diesel Injection Components

About Fujian BQ Machinery Development Co., Ltd.

Established as a leading manufacturer in the automotive parts industry, Fujian BQ Machinery Development Co., Ltd. specializes in high-precision diesel injection components and automotive repair kits. With years of engineering expertise, we serve clients across global markets including Europe, the Middle East, South America, and Southeast Asia.

Our product range includes diesel injector nozzles, plunger elements, delivery valves, common rail systems, and specialized repair kits such as King Pin Kits designed for heavy-duty trucks, buses, and commercial vehicles.

15+

Years in Industry

60+

Countries Served

Our Core Product Lines

Engineered for reliability and performance, our components meet strict international standards and are compatible with major OEM systems.

Injector Nozzle

Precision-engineered diesel injection nozzles for Bosch, Zexel, Delphi, and Denso systems. Available in multiple configurations including DLL XXX S/SN, DLL XXX P/PN, and DSLA/DN0 series.

• Compatible with ISUZU, HINO, MITSUBISHI, KOMATSU
• 4A/5MM to 6P/8MM orifice sizes
• High-pressure sealing performance

Plunger Element

High-precision A-style, AD-style, and P-style plunger elements for diesel fuel pumps. Designed for durability under extreme pressure and temperature conditions.

• A, AD, P, and Big Plunger variants
• OEM-equivalent tolerances
• Wear-resistant surface treatment

Delivery Valve

Standard and equal-pressure delivery valves for Bosch, Zexel, and Denso pumps. Ensures consistent fuel flow and prevents backflow.

• Models: 131110-0320, 131110-0520, 131181-0082
• For ISUZU, NISSAN, HINO, MITSUBISHI
• Precision-ground sealing surfaces

Common Rail Components

Advanced common rail fuel system parts including nozzles, injectors, and control valves for modern high-efficiency diesel engines.

• Compatible with Delphi, Bosch CR systems
• High-pressure resistance up to 2000 bar
• Precision spray control

King Pin Kit

Complete steering knuckle repair kits for trucks and commercial vehicles. Includes king pins, bushings, washers, and seals.

• Models: KP-117 to KP-706, VOLVO, SCANIA
• Fits Beijing, Foton, Dongfeng, HOWO, JAC
• Durable alloy steel construction

Nozzle Assembly

Fully assembled diesel injector nozzles tested for spray pattern, opening pressure, and leakage. Ready for direct installation.

• Pre-calibrated performance
• Leak-tested and sealed
• Includes filter, nozzle cap, and gaskets

Head Rotor & Feed Pump Parts

Rotary fuel pump components including head rotors, metering valves, and feed pump assemblies for consistent fuel delivery.

• For Zexel, Denso, and Bosch VP pumps
• Precision-machined rotor profiles
• Wear-resistant materials

Auto Fastener Bolt

High-tensile automotive fasteners and bolts for engine and chassis applications. Meets ISO and DIN standards for strength and durability.

• Grade 8.8 and 10.9 strength
• Corrosion-resistant coatings
• Custom sizes available

Why Choose BQ Machinery?

We combine advanced manufacturing with rigorous quality control to deliver components you can trust.

Quality Assurance

Every component undergoes strict inspection and testing to meet international standards for performance and durability.

Global Reach

Trusted by customers in over 60 countries with efficient logistics and multilingual support services.

OEM Compatibility

Our parts are engineered to match or exceed original equipment specifications for seamless integration.

Advanced Manufacturing

State-of-the-art CNC machining, heat treatment, and surface finishing ensure consistent quality.

Frequently Asked Questions

Get answers to common questions about our products and services.

What types of diesel injection systems do you support?

We manufacture components for Bosch, Zexel, Denso, Delphi, and Komatsu diesel injection systems, including inline pumps, rotary pumps, and common rail systems.

Are your parts compatible with original equipment?

Yes, all our components are engineered to meet or exceed OEM specifications in terms of dimensions, materials, and performance characteristics.

Do you offer private labeling or custom packaging?

Yes, we support OEM/ODM services including custom branding, packaging, and product modifications based on customer requirements.

What is your minimum order quantity (MOQ)?

MOQ varies by product. For standard items, it typically starts at 100 pieces. We can accommodate sample orders for evaluation.

How do you ensure product quality?

We implement a comprehensive quality control system including raw material inspection, in-process checks, final testing, and batch traceability. All critical dimensions are measured using precision instruments.

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Precision Diesel Injection
Components & King Pin Kits

About Fujian BQ Machinery Development Co., Ltd.