M34 U4457 Diesel Plunger 135130-6920 Diesel Fuel Pump Part Nozzle Injector

M34 U4457 diesel plunger 135176-3320 / 135130-6920 Diesel Fuel Pump Part Plunger element

The M34 plunger is a high-precision core component of light diesel engine fuel injection pumps, specially engineered for the fuel supply systems of light commercial vehicles, small engineering machinery and general-purpose diesel equipment. As a cross-border supply source with wide compatibility, it is manufactured from high-strength alloy steel with surface hardening treatment, featuring excellent wear resistance, dimensional stability and low-pressure loss performance. Under normal working conditions, it accurately controls fuel injection volume and delivery pressure, ensuring stable fuel atomization and full combustion, effectively reducing engine fuel consumption and exhaust emissions. Each unit is processed with precision grinding technology, meeting the industry universal quality standards for fuel injection parts. With mature production technology and reliable performance, it is a cost-effective replacement part for aftermarket maintenance and bulk procurement, and is widely sold to Africa, Southeast Asia, the Middle East and other regions.

Frequently Asked Questions

1.Which engine models is the M34 U4457 plunger compatible with?

Isuzu 4JB1/4JA1 series, JMC 493 series, and Quanchai 485/490 series engines.

2.What injector assembly models are paired with the M34 U4457 plunger?

he M34 U4457 plunger is optimally paired with Zexel 105118-1210 and 105210-1550 injector assemblies, which are the original matching models for its adapted engine platforms. Common interchangeable injector models include Bo-sch 095000-2520 and Denso 095000-5470

3.Can third-brand injectors be used with this plunger?

Yes, third-brand injectors can be used with the M34 U4457 plunger, on the premise that they meet the same technical parameters and structural standards of the original matching injectors. It is recommended to choose well-known brand injectors with ISO/TS16949 certification (such as Bo-sch, Denso, Del-phi) to avoid poor combustion, engine vibration or plunger accelerated wear caused by low-quality non-standard parts.

Delivery Time: 3-5 working days for samples; 5-14 working days for bulk orders

Door-to-Door FedEx service for samples

Air or Sea freight for bulk orders

Flexible shipping methods and freight forwarder options available