MPA Electrical 15732N Alternator

160 Amp Alternator for GM Trucks and SUVs

MPA Electrical Part Number 15732N is a new 12-volt alternator built for GM applications that use a Delco-style 160 amp charging system. It features an internal regulator, internal fan, clockwise rotation, a 6-groove serpentine pulley, and a 3:00 clock position for the plug connection.

This alternator is a direct replacement option for many Chevrolet, GMC, Cadillac, and Hummer vehicles, including Silverado, Sierra, Tahoe, Yukon, Escalade, and Express van applications that call for a Delco 160 amp unit. Part number 15732N is also listed with cross-reference BBB Industries 8301 for the same application.

• 160 amp output for higher-demand charging systems
• 12-volt Delco-style alternator configuration
• Internal voltage regulator
• Internal cooling fan
• 6-groove serpentine pulley
• Clockwise rotation
• 3:00 plug clock position

Product Details

MPA Electrical 15732N is specified for vehicles equipped with a Delco alternator and the matching pulley, plug, and mounting configuration. The 160 amp output supports factory electrical loads found in GM trucks, SUVs, and vans, including models such as the Chevrolet Silverado 1500, GMC Sierra 1500, Cadillac Escalade, and Chevrolet Tahoe. When replacing a worn charging unit, confirm pulley groove count, plug orientation, and alternator style before installation.

What This Alternator Helps Address

• Battery warning lights caused by charging system failure
• Low charging voltage at idle or under load
• Dim lights or electrical instability
• Noise from a failing alternator bearing or internal component
• Starting issues related to weak alternator output

Installation Notes and Tips

Verify the vehicle uses a Delco 160 amp alternator with a 6-groove serpentine pulley and 3:00 connector position before ordering. Compare the original unit’s clocking, rotation, and electrical connector layout to Part Number 15732N to ensure proper fitment. After installation, inspect belt condition and confirm charging voltage at the battery.

Quality Assurance

MPA Electrical supplies new replacement electrical components for charging and starting applications. This part is built to match the listed OE-style configuration for the specified Chevrolet Silverado, GMC Sierra, and related GM applications.