Remy 22121 Alternator

Remanufactured Alternator for Colorado and Canyon

Remy 22121 is a premium remanufactured alternator built for charging-system replacement on select Chevrolet Colorado and GMC Canyon applications. It delivers 140 amps and includes the pulley, making it a direct-fit electrical component for restoring proper battery charging performance.

Key Features

• 140-amp amperage rating for OE-style charging output
• Premium remanufactured construction
• Pulley included
• Direct replacement for OE part number 84169187
• Interchanges with 84169187

Product Details

Remy Premium Remanufactured part number 22121 is an alternator for the charging and starting system. It is specified for 2016 Chevrolet Colorado and 2016 GMC Canyon with OE No. 84169187, plus 2017-2021 Chevrolet Colorado, 2017-2021 GMC Canyon, and 2022 Chevrolet Colorado and 2022 GMC Canyon applications listed with 140 amps. For buyers searching for a 140 amp alternator for Chevrolet Colorado or GMC Canyon, this unit provides a fitment-focused replacement option under the Remy Premium Remanufactured line.

What This Part Helps Address

• Battery warning lights related to charging output
• Low-voltage conditions during driving or idling
• Dim lights or electrical accessories operating inconsistently
• Alternator noise or charging-system wear
• Replacement needs after alternator failure on Colorado or Canyon models

Installation Notes and Tips

Verify the vehicle year, engine configuration, and OE number before installation. Confirm pulley alignment and belt condition during replacement, and inspect battery terminals and charging cables for corrosion or damage. Because fitment varies by model year, match this Remy 22121 alternator to the exact application listed for your Chevrolet Colorado or GMC Canyon.

Quality Assurance

Remy Premium Remanufactured products are remanufactured to support dependable electrical-system replacement needs. This part cross-references OE part number 84169187 for the same application.