Denso 280-5319 Starter

Denso Reman Starter for Ford OE Applications

The Denso 280-5319 reman starter is a 12-volt, 1.4 kW clockwise-rotation starter built for Ford OE applications. It is remanufactured and bench-tested to deliver factory-original starting performance for vehicles such as the Ford Explorer, Ford Explorer Sport Trac, Mercury Mountaineer, and Lincoln Aviator.

Key Features

• 12.0-volt starter with 1.4 power rating
• Clockwise starter rotation
• Ford OE family application
• High-voltage tested armature and field coils
• Refinished commutators with performance validation
• Premium copper terminals for consistent electrical flow
• All-new bearings, brushes, and seals

Remanufactured Starter Design

Denso reman starters are rebuilt through a controlled test-and-replacement process that focuses on electrical integrity, current transfer, and cranking performance. The 280-5319 uses high-quality copper components at the terminals and fasteners, while internal wear items are renewed to help restore dependable starting performance in hot and cold weather. This part cross-references Bosch SR7581X for the same application.

Vehicle Fitment

• Fits 2002-2010 Ford Explorer, N/A
• Fits 2007-2010 Ford Explorer Sport Trac, N/A
• Fits 2002-2008 Mercury Mountaineer, N/A
• Fits 2009 Mercury Mountaineer, N/A; w/ Opened Drive End
• Fits 2010 Mercury Mountaineer, N/A
• Fits 2003-2005 Lincoln Aviator, N/A

Common Starting Problems It Can Address

• Slow or weak cranking on startup
• No-crank condition caused by starter failure
• Intermittent starting after heat soak or cold soak
• Electrical resistance at worn terminals or internal contacts
• Starter noise related to worn internal components

Installation Notes and Tips

Verify 12-volt system requirements, clockwise rotation, and 1.4 kW specification before installation. Confirm the vehicle application by year, make, model, and any note such as the 2009 Mercury Mountaineer with opened drive end. Inspect battery condition, cable integrity, and charging-system output during replacement to avoid repeat starting issues.

Quality Assurance

Denso applies a remanufacturing process that includes high-voltage testing of armatures and field coils, refinished commutators, replacement of terminals and fasteners with copper components, and bench testing before release. The result is a reman starter built to meet factory-style performance expectations for Ford Explorer, Mercury Mountaineer, and Lincoln Aviator applications.