BBB Industries 42084 Alternator

Reman Alternator for Acura and Honda Applications

BBB Industries REMAN ALTERNATOR 42084 is a 12-volt, 135-amp replacement alternator built for select Acura and Honda vehicles. It uses an internal voltage regulator, clockwise rotation, and a serpentine pulley setup with a decoupler pulley for OE-style charging system operation.

This remanufactured alternator is built for drivers needing a direct-fit charging solution for 2016-2022 Acura ILX, 2015-2020 Acura TLX, and 2015-2019 Honda CR-V applications. The BBB Industries reman alternator line focuses on restoring charging performance with OE-matched fitment details and application-specific configuration.

• 135 amp output for factory-style charging performance
• 12V alternator with internal voltage regulator
• Decoupler pulley with 7-groove serpentine belt design
• Clockwise rotation and internal fan cooling
• OE manufacturer reference: Nippondenso
• Part number 42084 for easy identification and ordering

Detailed Product Overview

BBB Industries 42084 is a remanufactured alternator engineered around OE specifications for vehicles that use a Nippondenso-style charging system. It features a decoupled pulley, negative polarity, and a 2 o'clock plug clock position, along with a 2-1/4 inch outside pulley diameter. These details matter when matching the alternator to the vehicle’s electrical and belt-drive layout. This part cross-references 31100-5X6-J01 and 104211-3470 for the same application.

Compatible with 2016-2022 Acura ILX, 2015-2020 Acura TLX, and 2015-2019 Honda CR-V, this BBB Industries REMAN ALTERNATOR 42084 is a practical replacement when the original charging unit no longer maintains proper system voltage. The part number 42084 is also useful when verifying the correct alternator against the vehicle’s OE reference and connector orientation.

Common Problems This Part Can Address

• Battery warning light caused by weak alternator output
• Low charging voltage during idle or driving
• Electrical accessories losing power under load
• Charging system noise related to pulley or bearing wear
• Starting issues tied to insufficient alternator performance

Installation Notes and Tips

Verify pulley groove count, plug clock position, rotation direction, and amperage rating before installation. Confirm the vehicle uses a serpentine belt system and a decoupler pulley configuration. Always inspect the belt, tensioner, and charging connections during replacement to help ensure proper system operation after installing part number 42084.

Quality Assurance

BBB Industries remanufactured electrical components are built to meet application-specific requirements for fit and function. This alternator is remanufactured for use in confirmed Acura and Honda applications, including Acura ILX, Acura TLX, and Honda CR-V models listed above.

• Fits 2016-2022 Acura ILX, N/A; 135 Amps; REMAN ALTERNATOR
• Fits 2015-2020 Acura TLX, N/A; 135 Amps; REMAN ALTERNATOR
• Fits 2015-2019 Honda CR-V, N/A; 135 Amps; REMAN ALTERNATOR