Remy 12979 Alternator

Remanufactured Alternator for Jaguar S-Type

Remy Part Number 12979 is a premium remanufactured alternator built for select Jaguar S-Type models with a 12-volt electrical system. With a 120 amp output rating, internal voltage regulation, and an internal fan, it supports stable charging performance for daily driving and electrical demand.

The Remy Premium Remanufactured line focuses on OE-style replacement coverage with attention to fit, function, and application-specific requirements. This alternator is built for Jaguar S-Type charging system service where a Nippondenso OE design is specified.

Key Features

• 120 amp amperage rating for charging-system output
• 12V alternator with internal voltage regulator
• Internal fan design
• Clockwise rotation
• Pulley included
• Remanufactured unit for OE-style replacement service
• OE manufacturer reference: Nippondenso

Detailed Description

This Remy 12979 alternator is engineered for 2002-2008 Jaguar S-Type applications listed below, including 2005-2008 Jaguar S-Type and 2002-2004 Jaguar S-Type coverage. It cross-references Nippondenso-style part numbers 102211-0980 and 102211-0981 for the same application. For buyers searching for a 2004 Jaguar S-Type alternator or a 2005-2008 Jaguar S-Type 120 amp remanufactured alternator, this unit matches the specified charging-system configuration.

As a remanufactured charging component, this alternator is intended to restore proper battery charging and electrical system operation while matching the vehicle’s OE-style layout. Remy 12979 is a direct-fit option for Jaguar S-Type charging system repair where a 12V, internal-regulated alternator with clockwise rotation is required.

What It Helps Fix

• Battery warning light caused by alternator output loss
• Low charging voltage during driving
• Dim lights or unstable electrical performance
• Battery drain related to charging-system failure
• No-charge condition on the Jaguar S-Type

Installation Notes and Tips

Verify the vehicle’s year and chassis break before ordering, especially for 2004 Jaguar S-Type models from chassis M45255. Confirm pulley style, rotation direction, voltage, and amperage rating against the original unit before installation. Inspect the belt, battery, and charging connections during replacement to help ensure proper system operation.

Quality Assurance

Remy Premium Remanufactured parts are built for application-specific replacement service with OE manufacturer reference support. This alternator is remanufactured to meet the listed electrical and fitment requirements for the Jaguar S-Type platform.