Denso 280-4323 Starter

Denso Reman Starter for Mazda Applications

The Denso 280-4323 reman starter is a 12-volt, 1.4 kW clockwise starter built for Mazda vehicles that use the Mitsubishi OE family design. It is remanufactured to restore factory-style cranking performance for Mazda 3, Mazda 3 Sport, Mazda 5, Mazda 6, and CX-7 applications.

Denso remanufactured starters are bench-tested and rebuilt with attention to the electrical and mechanical wear points that affect starting performance. The 280-4323 is a practical OE-style replacement for drivers needing dependable starter operation in cold-weather and hot-weather starts.

Key Features

• 12.0-volt starter for Mazda starting systems
• 1.4 kW power rating for strong cranking output
• Clockwise starter rotation
• Remanufactured Denso First Time Fit design
• High-voltage tested armature and field coils
• Refinished commutators with performance validation
• Premium copper terminals for stable electrical current
• New bearings, brushes, and seals

Product Details

Denso 280-4323 is part of the Reman Starter line, which focuses on restoring starter function with tested internal components and exacting bench validation. The Mitsubishi OE family design supports direct replacement needs on Mazda platforms that call for this starter configuration. This part cross-references BBB Industries 17598 for the same application.

Use this starter on 2010-2013 Mazda 3 and Mazda 3 Sport, 2011-2013 Mazda 6, 2012 Mazda 5, and 2010-2012 Mazda CX-7 applications listed below. The part number 280-4323 is also commonly searched alongside Mazda starter replacement and reman starter terms.

What It Helps Solve

• Slow or weak engine cranking
• No-start conditions caused by starter wear
• Intermittent starter engagement
• Electrical resistance at worn terminals
• Starting issues related to worn brushes, bearings, or seals

Installation Notes and Tips

• Verify the vehicle’s starter rotation, voltage, and power rating before installation.
• Confirm the exact Mazda model year and build date, especially for 2012-2013 applications with date-specific notes.
• Inspect battery condition, cable ends, and charging-system output before replacing the starter.
• Check mounting surfaces and electrical connections for corrosion or damage during installation.

Quality Assurance

Denso reman starters are rebuilt and tested to support factory-original performance expectations. The remanufacturing process includes testing of major electrical components, replacement of wear items, and final bench testing before release.

• Fits 2013 Mazda 3, N/A; Starter Motor - Reman
• Fits 2013 Mazda 3 Sport, N/A; OE Equivalent; Starter Motor - Reman
• Fits 2011-2013 Mazda 6, N/A; 1.4 kW; Starter Motor - Reman
• Fits 2012 Mazda 3, N/A; 1.4 kW; Starter Motor - Reman
• Fits 2011-2012 Mazda 3 Sport, N/A; 1.4 Kw; Starter Motor - Reman
• Fits 2012 Mazda 5, N/A; 1.4 Kw; To 01/07/2012; Starter Motor - Reman
• Fits 2012 Mazda CX-7, N/A; 1.4 Kw; Starter Motor - Reman
• Fits 2010-2011 Mazda 3, N/A; 1.4 kW; Reman Starter
• Fits 2010-2011 Mazda CX-7, N/A; 1.4 kW; Reman Starter
• Fits 2010 Mazda 3 Sport, N/A; 1.4 kW; Starter Motor - Reman