Denso 4513 Spark Plug

Denso Platinum TT Spark Plug 4513

Denso Platinum TT 4513 is a tapered-seat spark plug built for secondary ignition service in a wide range of Ford, GM, Mazda, Buick, Cadillac, Chevrolet, GMC, Lincoln, Mercury, Pontiac, Saturn, Saab, and Suzuki applications. Its twin-tip layout is engineered to promote faster flame travel for more complete combustion, with a platinum center electrode and titanium-enhanced twin-tip ground design.

Key Features

• Twin-Tip ground electrode design for quicker flame propagation
• Platinum center electrode tip for stable ignition performance
• Titanium-enhanced twin-tip ground configuration
• Copper core center electrode and nickel ground electrode core
• 5000 ohm resistance
• 14 mm thread diameter, 25.00 reach, tapered seat, 16 mm hex
• Pre-gapped at 1.0

Platinum TT Product Line

The Denso Platinum TT line focuses on efficient combustion and consistent spark delivery through its twin-tip electrode geometry. For drivers servicing vehicles such as the Ford Escape, Mazda 3, or Chevrolet Equinox, this design supports clean ignition events and dependable operation across a broad range of OE-style applications.

Detailed Description

Denso 4513 is a Platinum TT spark plug designed around a platinum center electrode and a titanium-enhanced twin-tip ground strap to help the flame kernel develop quickly after ignition. The copper core and nickel ground materials support heat transfer and durability, while the 5000 ohm resistor helps control electrical noise in the ignition system. This part cross-references Denso Auto Parts PTV16TT for the same application. Compatible vehicle coverage includes Fits 2015-2017 Ford Escape, N/A; Fits 2016-2017 Chevrolet Equinox, N/A; Fits 2016-2017 GMC Terrain, N/A; Fits 2015-2017 Lincoln MKZ, N/A; and Fits 2013-2015 Mazda 3, N/A.

What It Helps Address

• Rough idle caused by worn spark plug electrodes
• Hard starting from weak or inconsistent spark output
• Misfire conditions tied to degraded secondary ignition components
• Reduced combustion efficiency from aged plugs
• Ignition noise concerns in electronically controlled systems

Installation Notes and Tips

Verify the tapered seat, 14 mm thread diameter, 25.00 reach, and 16 mm hex before installation. Confirm the vehicle-specific application by year, make, and model, since this part is listed across multiple platforms including Buick LaCrosse, Chevrolet Malibu, Ford Fusion, and Mazda 6. Follow the manufacturer’s service procedure for torque and gap verification, and inspect the ignition system for wear before installing new plugs.

Quality Assurance

Denso manufactures this Platinum TT spark plug to OE-style specifications for listed applications, with materials and electrode geometry selected for consistent ignition performance. Part number 4513 is cataloged for broad fitment coverage across 1995-2017 model years in the applications shown.