Denso 280-4230 Starter

Denso Reman Starter 280-4230 Overview

The Denso 280-4230 reman starter is a 12-volt, clockwise-rotation starter built on Mitsubishi OE family specifications with a 1.4 kW power rating. It is a direct-fit starting component for select Mazda applications, including Mazda 3, Mazda 5, Mazda 6, and CX-7 models.

Denso’s Reman Starter line focuses on restoring factory-style electrical performance through tested internal components, refined contact surfaces, and replacement wear parts. This makes the 280-4230 a practical choice for drivers looking for a remanufactured starter for Mazda 3 2004-2009, Mazda 5 2006-2010, Mazda 6 2006-2007, or Mazda CX-7 2007-2009 applications.

Key Features

• 12.0-volt remanufactured starter for select Mazda vehicles
• 1.4 kW power rating for strong cranking output
• Clockwise starter rotation
• Mitsubishi OE family design
• High-voltage tested armature and field coils
• Premium copper terminals for stable electrical current
• All-new bearings, brushes, and seals

Product Details

The Denso Reman Starter brand line is built around remanufactured OE-style starting components that are tested and rebuilt to restore dependable operation. For this application, the 280-4230 is bench-tested after remanufacturing and uses replaced wear items and refinished electrical contact surfaces to support consistent starter engagement. This part cross-references Bosch SR4229X for the same application.

Compatible With Mazda 3, Mazda 5, Mazda 6, and Mazda CX-7 models listed below, this starter is a fitment-specific replacement for vehicles using the matching 12V, 1.4 kW, clockwise configuration.

What It Helps Address

• Slow or weak engine cranking
• No-start conditions caused by starter failure
• Intermittent starter engagement
• Electrical wear at starter terminals or internal contacts
• Cold-weather or hot-weather starting issues tied to starter performance

Installation Notes

Verify the vehicle’s starter rotation, voltage, power rating, and OE family match before installation. Confirm the connector style, mounting points, and engine application against the vehicle’s original starter and service information. For best results, inspect battery condition, charging system output, and cable integrity before replacing the starter.

Quality Assurance

Denso remanufactured starters are produced through a controlled test-and-replace process and bench-tested to confirm factory-style operation before release. The remanufacturing approach also reuses serviceable materials, which supports resource conservation while returning a tested electrical component to service.

Fitment

• Fits 2004-2009 Mazda 3, N/A — 1.4 kW; Reman Starter
• Fits 2006-2010 Mazda 5, N/A — 1.4 kW; Reman Starter
• Fits 2006-2007 Mazda 6, N/A — 1.4 kW; Reman Starter
• Fits 2007-2009 Mazda CX-7, N/A — 1.4 kW; Reman Starter