RELIABILITY: Featuring a wet clutch seal and premium copper contacts, this unit is engineered to match the durability of original Denso PA90S family starters.

Key Features

• ✔ Direct Fit: Seamless replacement for 5256155.
• ✔ High Torque: 2.7kW output for rapid cranking.
• ✔ PLGR Design: Modern gear reduction efficiency.
• ✔ Sealed Construction: Protection against oil and debris.

Technical Specs

Voltage:	12V
Power Rating:	2.7 kW (3.62 HP)
Number of Teeth:	11
Rotation:	Clockwise (CW)
Gear OD:	40mm (1.575")
Registry OD:	95mm (3.740")
Length:	278mm (10.945")

Engine / System	Application	Notes
Cummins QSB 3.3	Tier 3 Engines	Primary Application
Cummins ISB Series	Industrial / Marine	Check OEM Number
JLG Equipment	Various Lifts/Telehandlers	Equipped with Cummins 3.3

Is this a genuine original part?

This is a premium quality 4Drive aftermarket replacement part, manufactured to meet or exceed original equipment (OE) standards for fitment and performance.

How do I know if it is compatible?

We recommend checking the SKU/MPN and Cross Reference list provided above. If your original part number is 5256155 or 428000-6800, this is the correct replacement.

What is a PLGR starter?

Planetary Gear Reduction (PLGR) starters are more efficient, lighter, and provide higher torque than traditional direct-drive starters, ensuring easier starts for high-compression diesel engines like the Cummins QSB.

How do I confirm this fits?

Match the part number or OEM reference on your existing part with the details above. If you are unsure, send us your vehicle or engine model and year and we will confirm before you order.

Is this a genuine OEM part?

It is a new aftermarket part built to the original specification. OEM numbers are listed for cross-reference only.

Is it new or reconditioned?

It is brand new – no core charge and no old unit to return.

What if it does not fit?

Contact us with your vehicle details and the part number from your original unit and we will help you sort it out.