Product Description
The WAI 24-1750 Alternator Pulley is a heavy-duty 9-groove serpentine pulley designed for compatible Delco 25SI and 30SI alternators used in commercial truck and heavy-equipment charging systems.
WAI catalogs the 24-1750 for applications including Cummins Diesel, Detroit Diesel, Euclid, Freightliner, Kenworth, Mack, Peterbilt, Uni-Rig, and White equipment. It replaces Detroit Diesel 5145471.
The pulley is machined from cold-rolled steel and features a 32 mm belt width, approximately 72–73 mm (2.84–2.87 in.) outside diameter, and a 22.23 mm (7/8 in.) keyed bore. Current aftermarket measurements also show an overall thickness of about 40.5 mm (1.59 in.) and a 4 mm keyway.
Specifications:
- Part Number: 24-1750
- Brand: WAI
- Product Type: Alternator Pulley
- Grooves: 9
- Groove Type: Serpentine
- Belt Width: 32 mm / approximately 1-1/4 in.
- Outside Diameter: 72–73 mm / approximately 2-7/8 in.
- Bore: 22.23 mm / 7/8 in.
- Bore Type: Keyed
- Keyway Width: approximately 4 mm
- Thickness: approximately 40.5 mm / 1.59 in.
- Alternator Series: Delco 25SI / 30SI
- Material: Machined cold-rolled steel
Cross Reference:
- Detroit Diesel: 5145471
- Aftermarket: 201-01002
- Aftermarket: 209-01000