TYC 2-21238 Alternator

TYC 2-21238 Alternator Overview

TYC 2-21238 is a 130-amp alternator built for select Honda charging-system applications. It matches OE-style fitment for the Honda Civic, Honda Accord, and Honda CR-V, with a decoupler pulley and clockwise rotation for proper belt-drive operation.

Key Features

• 130A output for stable electrical system performance
• Decoupler pulley design for smoother accessory drive operation
• 7-groove pulley wheel configuration
• Clockwise rotation
• OE manufacturer listed as ND
• Direct replacement part number TYC 2-21238

Detailed Description

This alternator is engineered for Honda charging-system service where OE-style fit and electrical output matter. It cross-references Honda 31100-5PA-A01 and Lester 21238 for the same application. Use TYC 2-21238 when replacing a worn or failing alternator on a Honda Civic, Honda Accord, or Honda CR-V that requires a 130-amp unit with a decoupler pulley and 7-groove belt interface.

Compatible vehicle coverage includes Fits 2017-2023 Honda Civic, N/A; Fits 2018-2022 Honda Accord, N/A; Fits 2017-2022 Honda CR-V, N/A; and Fits 2017 Honda Civic, N/A, From Serial 1068756. The part number 2-21238 is a practical match for drivers searching for a Honda Civic alternator replacement, Honda Accord alternator replacement, or Honda CR-V charging system repair.

Common Uses

• Charging warning light or battery light concerns
• Low system voltage during driving
• Battery not maintaining charge after normal use
• Noise or belt-drive issues related to a failing pulley assembly
• Electrical performance problems caused by alternator wear

Installation Notes

Verify the vehicle year, model, and serial break before ordering, especially for 2017 Honda Civic applications from serial 1068756. Confirm pulley groove count, rotation direction, and electrical connector match the original unit before installation. Inspect the drive belt and related charging-system components during replacement to help ensure proper operation.

Quality Assurance

TYC lists this alternator as an OE-manufacturer-style replacement built to match the specified Honda application requirements. The 2-21238 part number is intended for accurate fitment and dependable charging-system service on supported Honda models.