Denso 280-0440 Starter

Denso Reman Starter for Acura RDX

The Denso Reman Starter 280-0440 is a 12-volt, 1.8 kW starter built for direct replacement on select Acura RDX applications. It is engineered for counterclockwise rotation and is part of Denso’s OE-focused remanufactured starter line for dependable starting performance.

Fits 2013-2018 Acura RDX, N/A. This Denso 280-0440 starter is a fitment-based replacement for Acura RDX models that need a remanufactured OE-style starter with factory-matched electrical characteristics.

Key Features

• 12.0-volt starter for standard vehicle starting systems
• 1.8 kW power rating for strong cranking output
• Counterclockwise starter rotation
• Remanufactured to Denso OE standards
• High-voltage tested armature and field coils
• Refinished commutators with performance validation
• New bearings, brushes, and seals
• Premium copper terminals and replaced fasteners

Product Details

Denso’s Reman Starter line focuses on restoring core components to OE-level function through testing, replacement, and bench validation. For the Acura RDX, part number 280-0440 is built to deliver consistent cranking torque and reliable electrical transfer, while keeping the original starter configuration in mind. The remanufacturing process includes inspection of internal electrical parts, replacement of wear items, and final bench testing before release.

This part cross-references Acura 31200-R8A-A01 and 31200-R8A-A01RM for the same application.

What It Helps Solve

• Slow or weak engine cranking
• No-start conditions caused by starter wear
• Intermittent starting from worn electrical contacts
• Grinding or inconsistent starter engagement
• Starting issues related to heat or cold-weather operation

Installation Notes

Verify the vehicle’s year, engine application, and starter rotation before installation. Confirm that the replacement starter matches the original electrical rating and mounting configuration on the Acura RDX. Inspect battery condition, charging system output, and cable connections during replacement to avoid repeat starting complaints.

Quality Assurance

Denso remanufactured starters are tested through a structured inspection and bench-validation process to support factory-original performance targets. The Denso OE family is built around original-equipment engineering experience, with remanufacturing steps that replace wear components and verify electrical function before shipment.