Isuzu 4JB1 Fuel Pump Assembly 104741-6731, High Pressure Diesel Injection Pump for 4JB1 Engine

Name: Isuzu 4JB1 Fuel Pump Assembly 104741-6731, High Pressure Diesel Injection Pump for 4JB1 Engine
Brand: GLOBALMACHEX
Availability: InStock
Rating: 5 (1 reviews)

Low-pressure diesel enters the pump body. One set of rotor plungers generates high pressure to supply all four cylinders.

Precise Fuel Metering

The mechanical governor adjusts the effective stroke according to throttle position and load, controlling fuel delivery per cycle to regulate engine power and fuel consumption.

Timed Injection

Gear-driven structure delivers fuel accurately at a crankshaft advance angle of approximately 12–18° before top dead center.

Cylinder Sequential Fuel Distribution

Fuel is distributed by the rotor and supplied to each cylinder in the firing order 1-3-4-2.

Speed Regulation & Stabilization

Centrifugal mechanical governor maintains stable idling speed. It automatically increases or decreases fuel supply under varying loads to prevent engine runaway and stalling.

$710.00

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