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8MR2124LB - High Output Alternator

  • 3D Photo
    8MR2124LB 3D Photo
  • Front Photo
    8MR2124LB Front Photo
  • Rear Photo
    8MR2124LB Rear Photo
  • Side Photo
    8MR2124LB Side Photo
  • Front Dim Drawing
    8MR2124LB Front Dim Drawing
  • Rear Dim Drawing
    8MR2124LB Rear Dim Drawing
  • Side Dim Drawing
    8MR2124LB Side Dim Drawing
  • Output Curve
    8MR2124LB Output Curve
  • Wiring Diagram
    8MR2124LB Wiring Diagram
Product Specifications
Spec Value
Item number 8MR2124LB
Sales number N/A
Series number 8MA-8MH-8MR
Special Note Conditions Of Usage
Warning: Prestolite Products are not approved for Aviation applications!
System voltage 12
Output 65
Mounting style SPOOL
Dimensions in INCHES
Housing coating E-COAT
UL Approved No
Spool length 1"
Positive stud size 1/4-20
Negative stud size 10-24
Rectifier location INTERNAL
Shaft diameter  
Excitation type Self Excite
Regulator location Integral
Regulator number 8RG2050A
Diode trio No
Pulley included No
Lamp driver No
Adjustable regulator No
Remote sense No
Smart check No
Batteryless 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 another model that is equivalent to 8MR2124LB
8MR2316L Exact Replacement
Region Priority / Status
USA / Canada Limited (W)
Product status
Status Number
Equivalent to 8MR2316L
Technical Bulletins
Title / Link Description
8MR Hardware Kit Hardware components for 8MR series alternators
TSB-3021_8MR_Hardware.pdf (1.7 mb)
Carrier 5" Regulator Test Regulator test procedure for the Carrier 5" models.
TSB-1140_Carrier_5_IN_Reg_Test_Procedure.pdf (181 kb)
Parts Breakdown
Title / Link Description
8MR Service Parts List Service parts list for 8MR series alternators
SP1023_8MR_parts_list_web.pdf (2.6 mb)
Numbers Our Customers Use
CompanyPart number
Cross Reference Numbers
CompanyPart numberComment
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