Alternator Voltage Regulator 12V Denso Toyota Forklift Daihatsu Cuore 2 Pin IG L 57.5mm REG6019

Vehicle Compatibility

Alternator voltage regulator for select Nippon Denso alternator applications where the alternator uses a matching 2 pin IG L connection (plug type IDL-IG) and the same charging characteristics. Listed for Toyota forklift and Toyota industrial alternator applications including Toyota forklift 4 2/5 with FGF20 engine, and also referenced across Daihatsu Cuore and multiple equipment applications where the alternator/regulator layout matches. Regulator uses a 57.5mm mounting point diameter and is specified with 2.5 sec LRC and an inactive lamp function. Confirm by alternator label, plug style and mounting measurement before ordering.

• Toyota: Forklift (including 4 2/5 with FGF20 engine); Toyota Forklift Various; Toyota Industrial
• Daihatsu: Cuore
• Equipment / Industrial (where Denso alternator reference matches): Bobcat; Gehl; Kubota Mini Shovel; Mitsubishi; Thermo King; Yanmar; Iseki
• John Deere: 5300 Tractor applications using matching 2 pin Denso regulator layout

Specifications

• Reference: REG6019
• Part Type: Alternator Voltage Regulator
• Manufacturer: Nippon Denso
• System Voltage: 12V
• Operating Voltage: 14V
• Regulated Voltage (Set Point): 14.5V (VS=14.5V)
• Charging Voltage: 14.4V
• Circuit: A-Circuit
• Type: IR/IF (Internal Regulator / Internal Fan)
• Connector / Pins: 2 Pin (IG-L)
• Plug Type: IDL-IG
• Specification: 2.5 Sec. LRC; Inactive Lamp
• Mounting Points Diameter: 57.5mm

OE Numbers

• Toyota: 27700-78301
• Toyota: 2770096301
• Daihatsu: 27700-87207
• Daihatsu: 27700-96301
• Daihatsu: 27060-87212-000
• Daihatsu: 2770087207000
• Daihatsu: 2770087209000
• Daihatsu: 2770087703000
• General Motors: 94167410
• ISEKI: 281-271-001-0
• ISEKI: 62812710010
• Kubota: 1588164600
• Kubota: 1588164601
• Mitsubishi: MD604589
• Mitsubishi: MD604751
• Suzuki: 3250085250
• Suzuki: 3250085251
• Yanmar: 119620-77201

Features

• Nippon Denso regulator design for matched Toyota forklift and industrial alternator configurations
• 2 pin IG-L interface with IDL-IG plug type for correct alternator harness matching
• A-circuit control strategy with IR/IF internal regulator internal fan configuration for specified alternator housings
• 14.5V set point (VS=14.5V) with 14.4V charging control for stable 12V system charging
• 57.5mm mounting specification to match compatible regulator housings and fastener spacing

Why Buy From Us

• Local South African stock with nationwide courier delivery
• 12-month warranty subject to correct application and installation
• Fitment support using alternator labels and clear photos of the existing plug and mounting points
• Trusted by workshops and fleet operators for dependable charging system components

Trusted by thousands of South African drivers for quality and durability.

Installation & Maintenance Tips

• Disconnect the battery before alternator removal or voltage regulator replacement
• Confirm the plug is 2 pin IG-L (IDL-IG) and the mounting point diameter is 57.5mm before fitting
• Inspect brushes, slip rings and internal connections while the alternator is open and replace worn parts as required
• Ensure all charging circuit connections and earth points are clean and tight to prevent voltage drop and repeat failures
• After installation, verify charging voltage under load and confirm warning lamp behaviour is correct for the application
• If you are unsure about alternator repairs, have the unit fitted and tested by a qualified auto electrician