DESCRIPTION

GENUINE NEW OEM PRESTOLITE ALTERNATOR — NOT AFTERMARKET OR REMANUFACTURED

Brand-new, genuine Prestolite Leece-Neville 66021507 alternator designed for heavy-duty commercial, industrial and agricultural equipment.

This original equipment alternator delivers 24 volts and 55 amps and features a 3-inch spool mounting configuration, internally regulated charging system, external cooling fan and insulated-return electrical design.

The alternator uses WL (D+) excitation and includes a field-isolation terminal for applications requiring this configuration.

Suitable for selected Cummins and Perkins diesel engines, JCB industrial equipment and other commercial applications originally equipped with this Prestolite alternator.

Unlike aftermarket replacements, this is a genuine new Prestolite unit, identified by manufacturer part number 66021507 on the alternator label.

New Genuine Prestolite OEM Alternator — No Core Charge

Verify original equipment part number, mounting arrangement, electrical terminals and pulley requirements before ordering.

REPLACES / CROSS REFERENCE

Prestolite / Leece-Neville

• 66021507
• 66021507S
• 66021491
• 1268600M
• 1268650M
• 1268590M
• 1268590C
• 1263B313
• 1263B317
• AC5RS24
• AC52-42
• LNA5524

Cummins

• 3250087
• 3256759
• 3256759RX
• 325675900RX
• 3279007
• 3280626
• 3910566
• 3964745
• 3975139
• 550117

Perkins

• 2871723
• 2871740
• 2871A002
• 2871A003
• 2871A004
• 2871A682

JCB

• 71413500R
• 71427300
• 71427300R

Ford

• 82RB10346AA

Iveco

• 92901946
• 92901947

Bosch

• 0986033785

Lucas

• LRB609
• LRB612
• LRB617
• LRB624
• LRB626
• LRB648

SPECIFICATIONS

• Brand: Genuine Prestolite Leece-Neville
• Part Number: 66021507
• Condition: Brand New OEM
• Voltage: 24V
• Amperage: 55 Amp
• Mounting: 3-Inch Spool Mount
• Rotation: Bidirectional / Reversible
• Regulator: Internal
• Excitation: WL (D+) Excite
• Polarity: Insulated Return
• Fan: External
• Construction: Brush Type
• Field Isolation Terminal: Yes
• Ignition Terminal: Yes
• Lamp Terminal: Yes
• Sense Terminal: No
• Multipower Terminal: No
• Pulley: Verify Pulley Configuration
• Core Charge: None

APPLICATIONS

Cummins Diesel Engines

• Selected Cummins industrial diesel engines
• Cummins agricultural generator sets
• Cummins-powered commercial equipment requiring 66021507

Perkins Diesel Engines

• Selected Perkins industrial and agricultural diesel applications using the listed OEM alternator numbers

JCB Equipment

• Selected JCB industrial and construction equipment using OE 71427300 or 71413500R

Other Commercial Applications

• Selected Ford commercial vehicles
• Selected Iveco commercial vehicles
• ERF commercial trucks equipped with Cummins L10 engines
• Other industrial and commercial equipment originally equipped with Prestolite 66021507

Fitment Note: Applications vary by equipment configuration. Confirm original alternator part number, 24V electrical system, spool mounting, insulated return and terminal connections before ordering.