MD138586 Mitsubishi FUEL PUMP ASSY, Price: 235.31$, Weight: 0.47kg


Make Number Name Availability Weight, kg Ship in, Days Price

Mitsubishi

MD138586

FUEL PUMP ASSY

0

0.47

2-3

235.31$

Not Available

Originals

Make Number Name Availability Weight, kg Processing, days Price  
FUSO
MD138586 
FUEL PUMP ASSY
1
0.541
15-20
166.46$
 
Mitsubishi
MD138586 
FUEL PUMP ASSY
3
0.541
15-20
232.96$
 

Substitutions

Make Number Name Availability Weight, kg Processing, days Price  
Kyosan
MP642 
FUEL PUMP
119
1.185
4-5
34.02$
 

Compatibility

FrameMarketModelModel Year FromModel Year ToModificationDiagram
K0-K3#North America (PUERTO RICO & GUAM)K33T05.198605.19962600/4WD(LONG TRUCK) View
FrameMarketModelModel Year FromModel Year ToModificationPlantDiagram
L04,14#North AmericaL042G01.198304.19912600/RR LEAFMMNA View
FrameMarketModelModel Year FromModel Year ToModificationPlantDiagram
V10-40#AustraliaV12W01.199106.20002600/SHORT WAGONMMAL View
FrameMarketModelModel Year FromModel Year ToModificationDiagram
L04,14#General (EXPORT)L042G04.198206.19912600/RR LEAF View
FrameMarketModelModel Year FromModel Year ToModificationPlantDiagram
K0-K3#North AmericaK03T05.198605.19962600/2WD(TRUCK)MMNA View

Fuel Pump Assembly for Mitsubishi

This in-tank pump unit is the heart of the fuel supply system. Its job is to pull fuel from the tank and deliver it to the engine at the correct pressure, so injectors (or the carb feed on older setups) can meter fuel accurately. When fuel pressure is stable, the engine starts fast, idles smooth, and accelerates cleanly β›½.

Why this part is needed

Engines can’t β€œsip” fuel on their own. They need a steady, pressurized flow to match load changesβ€”cold starts, uphill pulls, towing, and quick throttle inputs. This assembly keeps fuel moving and helps prevent vapor bubbles that can cause hesitation.

How it works

An electric motor spins an internal turbine/gear set, creating suction at the inlet and pressure at the outlet. Fuel also cools and lubricates the pump while it runs. The system relies on consistent voltage and clean fuel for long service life .

What happens if it fails

A weak or dead pump can cause hard starting, stalling after a few minutes, loss of power at high RPM, surging, and lean misfires. In severe cases the engine won’t start at all, and running lean may overheat valves or damage the catalytic converter.

Compatible Models

  • L200
  • Montero
  • Pajero/Montero
  • Pajero
  • Truck