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MS3-504 - Heavy Duty Starter Motor

  • 3D Photo
    MS3-504 3D Photo
  • Rear Photo
    MS3-504 Rear Photo
  • Side Photo
    MS3-504 Side Photo
  • Front Dim Drawing
    MS3-504 Front Dim Drawing
  • Rear Dim Drawing
    MS3-504 Rear Dim Drawing
  • Side Dim Drawing
    MS3-504 Side Dim Drawing
  • Wiring Diagram
    MS3-504 Wiring Diagram
Product Specifications
Spec Value
Item number MS3-504
Sales number N/A
Series number MS3
System voltage 24
kW 7.5
Dimensions in INCHES
Housing coating PAINTED
UL Approved No
Pinion teeth 12
Pinion pitch 8/10
Pinion OD 1.825
Pinion at rest 1.92
Span over 2 teeth  
Flange type SAE J542 Type 3
Flange image
Switch position -322.5°
Helper Relay  
Ignition terminal M6
Battery terminal M12X1.75
Ground terminal M12X1.75
Wetclutch Yes
Overcrank Protection No
Similar Product
We have another model that is equivalent to MS3-504
M105R3038SE Gr Version
Region Priority / Status
USA / Canada Limited (W)
United Kingdom / Europe Limited (W)
Product status
Status Number
Equivalent to M105R3038SE
Parts Breakdown
Title / Link Description
MS3 500 Parts List Parts list for MS3 500 series of starter motors
MS3-500_Partslist.pdf (1.4 mb)
Numbers Our Customers Use
CompanyPart number
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