Part #: 3265

Denso 3265 Spark Plug

Double Platinum
23 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Double Platinum
Fitment: Honda, Mazda, Nissan, and INFINITI, Civic, B2300, Frontier, Xterra, G20, Sentra, and Altima
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Reliable Ignition Performance for Honda, Nissan, Mazda, and INFINITI Vehicles

The Denso Double Platinum 3265 spark plug is engineered to deliver consistent ignition performance for a range of vehicles including Honda Civic, Nissan Altima, Mazda B2300, and INFINITI G20. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

  • Double platinum electrodes for enhanced durability and stable spark
  • Center electrode with copper core and platinum tip for optimal conductivity
  • Ground electrode features a platinum chip with nickel core for longevity
  • Standard ground configuration with a single ground electrode
  • Pre-gap size of 1.1 mm for precise ignition timing
  • Flat seat type and 14 mm thread diameter for secure fitment
  • Hex size of 16.0 mm for easy installation and removal
  • Manufacturer heat range of 22 suitable for various driving conditions
  • Reach length of 19.00 mm compatible with specified vehicle models

About the Denso Double Platinum Spark Plug Line

The Double Platinum line from Denso is designed to provide a balance of durability and performance by utilizing platinum on both the center and ground electrodes. This design reduces electrode wear and maintains a stable spark over time, which is critical for maintaining engine efficiency and reducing misfires. The 3265 spark plug benefits from this technology, making it suitable for vehicles requiring reliable secondary ignition components.

Technical Details and Application

The Denso 3265 spark plug features a copper core center electrode with a platinum tip, enhancing electrical conductivity and heat dissipation. The ground electrode uses a platinum chip on a nickel core, which improves wear resistance. With a pre-gap size of 1.1 mm and a flat seat type, this spark plug ensures proper sealing and ignition timing. Its 14 mm thread diameter and 19.00 mm reach make it compatible with specific Honda, Nissan, Mazda, and INFINITI models such as the Civic, Altima, B2300, Frontier, G20, Sentra, and Xterra.

Common Issues Addressed by the Denso 3265 Spark Plug

  • Engine misfires and rough idling
  • Reduced fuel efficiency due to incomplete combustion
  • Difficulty starting the engine in cold conditions
  • Increased emissions from inefficient ignition
  • Premature electrode wear affecting spark consistency

Installation Notes and Tips

When installing the Denso Double Platinum 3265 spark plug, ensure the engine is cool to prevent damage to the threads. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended specifications to avoid over-tightening or under-tightening. Verify the pre-gap size of 1.1 mm before installation, although the spark plug comes pre-gapped. Proper installation will help maintain optimal ignition performance and engine reliability.

Quality Assurance and Warranty

Denso manufactures the 3265 spark plug to meet strict quality standards, ensuring consistent performance and durability. The use of platinum electrodes extends the service life compared to conventional spark plugs. While specific warranty details may vary, Denso products typically come with manufacturer-backed quality assurance to support reliable operation in compatible Honda, Nissan, Mazda, and INFINITI vehicles.

BrandDenso
Part Number3265
PositionDouble Platinum
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialPlatinum
Ground ConfigurationStandard
Ground Electrode Core MaterialNickel
Ground Electrode Quantity1
Ground Electrode Tip DesignPlatinum Chip
Hex Size16.0
Manufacturer Heat Range22
Pre-Gap Size1.1
Reach19.00
Resistance5000
Seat TypeFlat
Thread Diameter14.00

This part fits 23 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2010HondaCivicN/ADouble Platinum
2010HondaCivicGXN/ADouble Platinum
2009HondaCivicN/ADouble Platinum
2009HondaCivicGXN/ADouble Platinum
2009MazdaB2300N/ADouble Platinum
2008HondaCivicN/ADouble Platinum
2008HondaCivicGXN/ADouble Platinum
2007HondaCivicGXN/ADouble Platinum
2006HondaCivicN/ADouble Platinum
2006HondaCivicGXN/ADouble Platinum
2006MazdaB2300N/ADouble Platinum
2004NissanFrontierN/ADouble Platinum
2004NissanXterraN/ADouble Platinum
2003MazdaB2300N/ADouble Platinum
2003NissanFrontierN/ADouble Platinum
2003NissanXterraN/ADouble Platinum
2002MazdaB2300N/ADouble Platinum
2002NissanFrontierN/ADouble Platinum
2002NissanXterraN/ADouble Platinum
2001INFINITIG20N/ADouble Platinum
2001MazdaB2300N/ADouble Platinum
2001NissanSentraN/ADouble Platinum
1998NissanAltimaN/ADouble Platinum

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

SPRC7PYCB4

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.