Denso 210-1040 Alternator

Denso Reman Alternator for Jeep TJ and Wrangler

The Denso 210-1040 reman alternator is a 12-volt charging system component built for Jeep TJ and Jeep Wrangler applications that demand stable electrical output. With a 90 amp rating, internal fan design, clockwise rotation, and external regulator setup, it supports the charging needs of vehicles with multiple electrical loads.

Denso reman alternators are processed to OE-style standards, with critical components tested for electrical integrity and rotating parts checked for smooth operation. The result is a remanufactured alternator that follows Denso First Time Fit standards for proper mounting and dependable service on 2001-2006 Jeep TJ and 2001-2006 Jeep Wrangler models.

Key Features

• 12.0-volt reman alternator with 90 amp output
• Internal fan design for charging system cooling
• Clockwise rotation
• External regulator type
• DENSO OE family construction for OE-style fit and function
• First Time Fit design for correct mounting and belt/pulley alignment

Detailed Product Overview

Denso reman alternator Part Number 210-1040 is engineered for direct replacement use on Jeep TJ and Jeep Wrangler charging systems. The remanufacturing process includes electrical testing of stators, rectifiers, and rotors, along with inspection of bearings and rotor surfaces to help maintain consistent output and reduce wear. This makes the 210-1040 a practical choice for restoring charging performance in vehicles that rely on a steady supply of power for ignition, lighting, and onboard electronics.

This part cross-references BBB Industries 13876 for the same application. It is also listed against Bosch AL6445X for related fitment coverage.

Common Problems This Part Can Address

• Battery warning light caused by low alternator output
• Slow cranking or repeated battery discharge
• Dim headlights or unstable accessory power
• Charging system noise from worn internal components
• Fitment issues from a mismatched replacement alternator

Installation Notes and Tips

Verify the vehicle’s charging system configuration before installation, including voltage, amperage, rotation direction, and regulator type. Confirm pulley alignment and connector match-up before final tightening. For best results, inspect the battery, drive belt, and charging cables during replacement so the new alternator is not affected by existing system faults. Fits 2001-2006 Jeep TJ, N/A. Fits 2001-2006 Jeep Wrangler, N/A. Fits 2001-2002 Jeep Wrangler, N/A.

Quality Assurance

Denso reman alternators are built around OE standards and validated through electrical and mechanical checks intended to support reliable charging performance. The Denso 210-1040 is part of the DENSO OE family and is manufactured to meet First Time Fit expectations for proper installation and long-term service.