MS2-503ND - Product Details

  • Front Dim Drawing
    MS2-503ND Front Dim Drawing
  • Rear Dim Drawing
    MS2-503ND Rear Dim Drawing
  • Side Dim Drawing
    MS2-503ND Side Dim Drawing
  • Output Curve
    MS2-503ND Output Curve
  • Wiring Diagram
    MS2-503ND Wiring Diagram
Product Specifications
Spec Value
Item number MS2-503ND
Sales number N/A
Series number MS2/M130
Notes CUST. NO. 3576959C92
System voltage 12
kW 10.0
Dimensions in INCHES
Housing coating PAINTED
UL Approved No
Pinion teeth 11
Pinion pitch 6/8
Pinion OD 2.25
Pinion at rest 1.833
Span over 2 teeth  
Flange type SAE J542 Type 3
Flange image
Switch position -82.5°
Helper Relay  
Ignition terminal 10-32
Battery terminal 1/2-13
Ground terminal 1/2-13
Wetclutch Yes
Overcrank Protection No
Private Brand
This product is not available to the general aftermarket. Please contact a distributor near you or contact us for more information
Similar Product
Although this is a private branded unit, we have other models that are equivalent to MS2-503ND
MS2-503D Exact Match
Region Priority / Status
USA / Canada Not currently available
Product status
Status Number
Equivalent to M125R2001SEP
Superseded by M125R2001SEPN
Technical Bulletin
Title / Link Description
MS2 Starter Motor Hardware Kit Hardware kit for the MS2 series starter motors
TSB-3004_MS2-hardware.pdf (317 kb)
Parts Breakdown
Title / Link Description
MS2 Starter Service Parts List Service Parts list for the MS2 series starter motor kits
SP1007-MS2_parts_list_web.pdf (833 kb)

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