Denso 428000-2920 Starter Motor Assembly

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Denso 428000-2920 Starter Motor Assembly

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Rated Voltage	12V
Power Output	2.7 kW
Rotation Direction	Clockwise (CW)
Drive Configuration	Offset Gear Reduction (OSGR)
Pinion Teeth	10
Mounting Hole Count	2
Net Weight	12.5 kg
Package Dimensions	32 × 20 × 20 cm

Manufacturer No.

428000-2920
428080-2920
428000-292

OEM Part No.

3971615
70020352

Engine Part No.

Cummins QSB4.5
Cummins QSB6.7
Cummins QSB Tier III

Interchange No.

19104
4280002920
428080-292

Fitment Vehicles

JLG G10-55A
JLG G12-55A
Genie Applications

The Denso 428000-2920 is a 12-volt offset gear reduction (OSGR) starter motor rated at 2.7 kW output. It features a clockwise rotation 10-tooth pinion and two-hole mounting flange. Designed as original equipment for Cummins QSB4.5 and QSB6.7 Tier III diesel engines, it provides reliable cold-cranking torque in construction machinery applications.

This unit replaces Cummins OEM part number 3971615 and JLG Industries part number 70020352. The Denso manufacturer part numbers include 428000-2920, 428080-2920, and the abbreviated 428000-292. It is a direct-fit replacement for starters used in JLG G10-55A and G12-55A telehandlers, as well as certain Genie aerial work platforms equipped with Cummins QSB engines.