The starter type you have selected is the Denso R5 design

Please review the starters presented below and then select the proper application for your vehicle's engine.

R5-4420 R5-4430 R5-4440 R5-5430
Denso 4420 OSGR starter side Denso 4430 OSGR starter side Denso 4440  OSGR starter side
Denso 4420 OSGR starter front Denso 4430 OSGR starter front Denso 4440 OSGR starter front
Denso 4420 OSGR starter rear Denso 4430 OSGR starter rear Denso 4440 OSGR starter rear

DATA BOX

In order to make the exact choice, please be sure to answer the following questions about your application:

  1. Does your starter have the same dimensions as shown?
  2. What is the voltage of your vehicle system? It has to be either 12 or 24.
  3. How many teeth are on the starter drive. There are normally 10.
  4. The R5 starter drive pinion has 10 teeth, but is designed by Denso to mesh perfectly when replacing the Delco 42MT/11tooth starter applications noted in our chart.

These starters are a brand new heavy duty design made by Denso and can be retrofitted to most types of large bore diesel engines powering Freightliner, Mack, Volvo, Peterbilt, Kenworth, Sterling and Navistar/International. Unlike Delco type heavy duty starters, they are somewhat difficult to tell apart visually. Therefore, please review the vehicle and engine application data below in order to select the exact replacement unit.

Starter type Voltage Teeth Mounting Position Part #
R5 12 10 1 R51210-4420
R5 12 10 2 R51210-4430
R5 12 10 3 R51210-4440
R5 12 10   R51210-4450
R5 12 10   R51210-5190
R5 12 10 4 R51210-5430
R5 12 10   R51210-5730

To validate your retrofit choice please check the application chart below.

Engine Freightliner Sterling International Peterbilt Kenworth Mack Volvo Western Star
Cat C11

tba

tba

R51210-4420

(2003-2006)

tba

tR51210-4420

(2003-2006)

tba

tba

tba

Cat C12    

R51210-4420

(1998)

R51210-4420

(1999)

     

R51210-4420

(1997)

Cat C13

R51210-4420

(2004-2006)

R51210-4420

(2004-2006)

R51210-4420

(2004-2006)

R51210-4420

(2004-2006)

R51210-4420

(2004-2006)

tba

tba

tba

Cat C15

R51210-4420

(2000-2006)

R51210-4420

(2000-2006)

R51210-4420

(2000-2006)

R51210-4420

(2000-2006)

R51210-4420

(2000-2006)

tba

tba

R51210-4420

(1997)

Cummins ISM

R51210-4420

(1998-2002)

R51210-4420

(1998-2002)

R51210-4420

(1998-2006)

R51210-4420

(1998-2006)

R51210-4420

(1998-2006)

tba

R51210-4420

(1998-2006)

 

Cummins ISX

R51210-4440

(1999-2002)

R51210-5190

(1999-2002)

tba

R51210-4440

(1999-2006)

R51210-5190

(1999-2006)

R51210-5190

(1999-2006)

R51210-5190

(1999-2006)

tba

tba

tba

Cummins M11

R51210-4430

(1994-1998)

R51210-4430

(1994-1998)

R51210-4430

(1994-1998)

R51210-4430

(1994-1998)

R51210-4430

(1994-1998)

tba

tba

tba

Cummins N14

R51210-4440

(1994-2002)

R51210-4440

(1994-2002)

R51210-4440

(1994-2002)

R51210-4440

(1994-2002)

R51210-4440

(1994-2002)

tba

R51210-4440

(1994-2002)

 

DDA Series 60

R51210-4430*

(1994-2006)

R51210-5730**

(2004-2006)

R51210-4430*

(1994-2006)

R51210-5730**

(1994-2008)

R51210-4430*

(1994-2006)

R51210-5730**

(1994-2006)

R51210-4430*

(1994-2008)

R51210-5730**

(1994-2003)

R51210-4430*

(1994-2003)

R51210-5730**

(1994-2003)

tba

R51210-4430*

(1994-2006)

R51210-5730**

(1994-2006)

 

Mack E7 & E-Tech

tba

tba

tba

tba

tba

R51210-4430

(1994/2006)

tba

tba

VE12 (12L)

tba

tba

tba

tba

tba

tba

R51210-5430

(1994/2006)

 

*1994-2006 Freightliner w/DD S60 when the fuel filter is outside the frame rail (single fuel filter).

**2004-2006 Freightliner w/DD S60 when the fuel filter is inside the frame rail.

Truck model years are noted in red. The R5 motors listed will replace any 42MT type unit currently installed on the engines listed. The R5 starter drive pinions all have 10 teeth, but are designed to mesh perfectly with all engine ring gears and 42MT 11 tooth applications.

If you care to double check your selection using an OEM number, please enter it. Our program will also allow you to make a search with partial numbers, as long as you enter any four of the numbers or letters in a row.

Search Our Store by OEM# or Keyword

The OEM match will take you to our exact replacement for your unit.

If you are still not sure of the selection, please call
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and a technician will immediately assist you!


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