Denso 280-1034 Starter

Denso Reman Starter for Subaru Legacy and Outback

The Denso 280-1034 reman starter is a 12-volt, counterclockwise starter built for Subaru Legacy and Subaru Outback applications. It is part of Denso’s OE reman starter line and is engineered for dependable cranking performance in everyday driving and temperature swings.

For Subaru Legacy and Outback owners searching for a remanufactured starter with OE-style fitment, this unit combines Denso starter technology with a factory-focused rebuild process. The 280-1034 is also cross-referenced to Lester 19284 and Subaru 23300-AA59B for the same application.

Key Features

• 12.0-volt starter with counterclockwise rotation
• 1.6 kW power rating for strong cranking output
• Denso OE reman starter family
• High-voltage tested armature and field coils
• Refinished commutators with performance validation
• New bearings, brushes, and seals
• Premium copper terminals and replaced fasteners

Detailed Description

Denso remanufactured starters are rebuilt with a focus on electrical integrity, mechanical consistency, and bench-tested performance. The process includes testing and replacement steps for critical internal components, along with refinishing and validation of the commutator surface. That approach helps maintain factory-original starting behavior on Subaru Legacy and Subaru Outback vehicles that require a 1.6 kW reman starter.

This part number, 280-1034, is a practical choice for drivers and repair shops looking for a reman starter that matches OE specifications and supports reliable engine starts in cold and hot weather conditions.

What It Helps Solve

• Slow or weak engine cranking
• No-start conditions caused by starter failure
• Intermittent starting due to worn internal starter components
• Electrical resistance from damaged terminals or worn brushes
• Starting performance loss after heat or cold exposure

Installation Notes and Tips

• Verify the vehicle’s starter rotation, voltage, and power rating before installation.
• Confirm fitment for 2010-2016 Subaru Legacy and 2010-2016 Subaru Outback applications listed below.
• Inspect battery condition, cable connections, and charging system output before replacing the starter.
• Check mounting surfaces and electrical terminals for corrosion or damage during service.

Quality Assurance

Denso reman starters are bench-tested after rebuilding to confirm factory-style operation. The reman process uses tested and replaced internal components to support consistent performance and lower return rates in the replacement aftermarket.

• Fits 2016 Subaru Legacy, N/A
• Fits 2012 Subaru Legacy, N/A
• Fits 2013-2015 Subaru Legacy, N/A
• Fits 2016 Subaru Outback, N/A
• Fits 2010-2012 Subaru Outback, N/A
• Fits 2013-2015 Subaru Outback, N/A