Diesel Engineering Services repair and calibrate the following Zexel Injection Pumps and Injectors:

Pump / Injector Type

Model Examples

Application (Typical Engines / Vehicles)

In-Line (PES type)

PES6A, PES6MW, PES8P

Hino trucks, Mitsubishi Fuso, Isuzu heavy-duty engines (6 to 8 cyl)

Distributor / Rotary (VE type)

VE4/10F, VE6/10F, VE4/11E

Light/medium Isuzu, Nissan, Mitsubishi engines (pickups, minibuses, forklifts)

Electronic Rotary (VP type)

VP30, VP37, VP44

Isuzu 4JH1, Nissan ZD30, Mitsubishi Pajero/Canter (electronic control)

Unit Pump Systems (UPS)

UP10, UP12

Medium-duty engines where each cylinder has its own pump (less common)

Unit Injector (EUI)

105-series, 107-series

Hino, UD Trucks, some industrial engines (integrated pump+injector)

Common Rail Pumps (early Zexel/Bosch co-branded)

CP1, CP3 (Zexel-Bosch)

Nissan YD25, Isuzu 4JJ1/4HK1, Mitsubishi 4M41, later Japanese diesels

Mechanical Pintle Injectors

DN0PDN, DN4SDN (Zexel nozzles)

Older Nissan TD-series, Isuzu 4BA1/4BC2, forklifts, small diesels

Multi-Hole Mechanical Injectors

DLLA150P, DLLA152P

High-speed engines (pickup trucks, buses, industrial gensets)

Electronic CR Injectors (Zexel/Bosch)

CRI1, CRI2, 0445-series (Zexel-branded)

Nissan ZD30, Isuzu 4JJ1/4HK1, Mitsubishi common rail engines

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