Delco Remy 24SI™ Brush Type Alternator

The 24SI brush style alternators are designed with dual internal fans which provide maximum cooling technology, improves the operating efficiency and durability of the unit. The 24SI is offered in 12 volt models with output up to 160 Amps and 24 volt models up to 70 amps. The 24SI is available in J180 or pad mounting configurations.

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Specifications

Performance Output	12 Volt 160 Amps 24 Volt 70 Amps
Maximum Speed	10,000 RPM Continuous 12,000 RPM Intermittent
Rotation	Clockwise
Temperature Rating	105°C / 221°F
Mounting	J180 Hinge Pad
Polarity	Negative Ground
Efficiency	12 Volt 62% 24 Volt 72%
Weight	16.2 lbs / 7.7 kg
Stator Diameter	5.67 in / 144 mm
Length	9.22 in / 234.1 mm
Warranty *(US /Canada Only)	1 year / unlimited miles

Dimensions

Dual Internal Cooling Fans

The Delco Remy 24SI has dual internal fans that provide maximum cooling technology. Dual fans mean greater air circulation over the alternator electronics. That allows the alternator to run at lower temperatures, improving the operating efficiency and durability of the unit.

Performance Curve

The Delco Remy 24SI alternator provides 20 percent more power at engine idle than the imitation and 10 percent more output at average road speed.