Remy 20046 Alternator

Remanufactured Alternator for Ram 1500 Applications

The Remy Premium Remanufactured Alternator, part number 20046, is a 12-volt charging system component built for select Ram 1500 and Ram 1500 Classic trucks. It delivers 160 amps and uses an external voltage regulator, making it a direct-fit option for vehicles that need stable charging output and OE-style electrical performance.

Compatible With 2015-2024 Ram 1500 and Ram 1500 Classic applications, this alternator is remanufactured to match the original Mitsubishi design used in these trucks. Part number 20046 is also a practical search match for Ram 1500 Classic alternator replacement and Ram 1500 160 amp alternator fitment.

Key Features

• 160 amp amperage rating for factory-style charging output
• 12-volt alternator for standard automotive electrical systems
• Remanufactured unit from Remy Premium Remanufactured
• OE manufacturer: Mitsubishi
• Internal fan design
• Clockwise rotation
• Pulley included
• External voltage regulator type

Product Details

Remy part number 20046 is a remanufactured alternator engineered for Ram trucks that use the Mitsubishi OE alternator layout. The 160 amp rating supports the vehicle’s charging demands, while the included pulley and clockwise rotation help match the original configuration. This unit is listed for 2015 Ram 1500, 2016-2018 Ram 1500, 2019 Ram 1500 Classic, and 2020-2024 Ram 1500 Classic applications.

This part cross-references 56029764AA and A2TX5691 for the same application.

Common Charging System Issues It May Address

• Low battery charge caused by a weak alternator
• Battery warning light related to charging output loss
• Dim lights or electrical instability during driving
• Charging system failure after alternator wear
• Voltage irregularities tied to a failing original unit

Installation Notes and Tips

Verify fitment by year, model, and charging system configuration before purchase. This alternator is listed for Ram 1500 and Ram 1500 Classic trucks with the specified 160 amp application, and the external regulator setup should be matched to the vehicle’s original electrical design. Confirm pulley alignment, connector style, and mounting points against the removed unit before installation.

Quality Assurance

Remy Premium Remanufactured parts are remanufactured to OE-based specifications using the original Mitsubishi alternator design as the reference for this application.