Part #: 3235

Denso 3235 Spark Plug

U-Groove Conventional
⚙️ 48 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦U-Groove Conventional
🚗Fitment: Dodge and Jeep, Dakota, Durango, Ram 1500, Ram 1500 Van, Ram 2500 Van, Ram 3500 Van, Ram 2500, Ram 3500, B1500, B3500, Grand Cherokee, and B2500
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Reliable Ignition Performance for Dodge and Jeep Vehicles

The Denso 3235 spark plug from the U-Groove Conventional line is engineered to deliver consistent ignition performance for a range of Dodge and Jeep models. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

  • U-groove ground electrode tip design for improved spark exposure
  • Nickel ground and center electrode tips for durability
  • Copper core center electrode for enhanced conductivity
  • Standard ground configuration with a single ground electrode
  • Flat seat type with 14.00 mm thread diameter and 19.00 mm reach
  • Pre-gap size of 0.8 mm optimized for ignition efficiency
  • Hex size of 16.0 mm for standard installation tools
  • Manufacturer heat range rating of 16 for balanced thermal performance

About the U-Groove Conventional Spark Plug Line

The U-Groove Conventional series by Denso features a unique U-shaped groove on the ground electrode tip, which increases the spark exposure area. This design helps improve ignition reliability and combustion efficiency in conventional spark plugs. The Denso 3235 spark plug incorporates this technology to meet the ignition demands of various Dodge and Jeep engines, providing a balance of durability and performance.

Technical Details and Specifications

The Denso 3235 spark plug is constructed with a copper core center electrode that enhances electrical conductivity, paired with nickel tips on both the center and ground electrodes to resist wear. The single ground electrode with a U-groove tip design optimizes spark distribution. It features a flat seat type ensuring proper sealing and fitment, with a thread diameter of 14.00 mm and a reach of 19.00 mm suitable for specific engine configurations. The pre-gap size is set at 0.8 mm, supporting efficient ignition timing and combustion.

Compatible Vehicles and Applications

  • Dodge B1500, B2500, B3500
  • Dodge Dakota, Durango
  • Jeep Grand Cherokee
  • Dodge Ram 1500, Ram 1500 Van, Ram 2500, Ram 2500 Van, Ram 3500, Ram 3500 Van

This spark plug is designed specifically for these Dodge and Jeep models, ensuring proper fitment and ignition performance.

Common Issues Addressed by Denso 3235 Spark Plug

  • Misfiring or rough engine idle
  • Difficulty starting the engine
  • Reduced fuel efficiency due to incomplete combustion
  • Engine hesitation or loss of power under load
  • Excessive spark plug wear or fouling

Installation Notes and Tips

Before installation, verify the spark plug gap is set to 0.8 mm if adjustment is necessary. Use a 16.0 mm socket wrench for proper torque application. Ensure the spark plug threads match the engine specifications with a 14.00 mm diameter and 19.00 mm reach to avoid damage. Tighten to manufacturer-recommended torque values to secure a flat seat seal and prevent leaks.

Quality Assurance and Warranty

Denso spark plugs, including the 3235 model, are manufactured to meet strict quality standards for durability and performance. The materials and design choices, such as the copper core and nickel tips, contribute to consistent ignition and long service life. Warranty coverage details should be confirmed with the vehicle manufacturer or parts distributor.

BrandDenso
Part Number3235
PositionU-Groove Conventional
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialNickel
Ground ConfigurationStandard
Ground Electrode Core MaterialNickel
Ground Electrode Quantity1
Ground Electrode Tip DesignU-Groove
Hex Size16.0
Manufacturer Heat Range16
Pre-Gap Size0.8
Reach19.00
Resistance5000
Seat TypeFlat
Thread Diameter14.00

This part fits 48 vehicles. Search below:

YearMakeModelPositionNotes
2003DodgeDakotaN/AU-Groove Conventional
2003DodgeDurangoN/AU-Groove Conventional
2003DodgeRam 1500N/AU-Groove Conventional
2003DodgeRam 1500 VanN/AU-Groove Conventional
2003DodgeRam 2500 VanN/AU-Groove Conventional
2003DodgeRam 3500 VanN/AU-Groove Conventional
2002DodgeDakotaN/AU-Groove Conventional
2002DodgeDurangoN/AU-Groove Conventional
2002DodgeRam 1500N/AU-Groove Conventional
2002DodgeRam 1500 VanN/AU-Groove Conventional
2002DodgeRam 2500N/AU-Groove Conventional
2002DodgeRam 2500 VanN/AU-Groove Conventional
2002DodgeRam 3500N/AU-Groove Conventional
2002DodgeRam 3500 VanN/AU-Groove Conventional
2001DodgeDakotaN/AU-Groove Conventional
2001DodgeDurangoN/AU-Groove Conventional
2001DodgeRam 1500N/AU-Groove Conventional
2001DodgeRam 1500 VanN/AU-Groove Conventional
2001DodgeRam 2500N/AU-Groove Conventional
2001DodgeRam 2500 VanN/AU-Groove Conventional
2001DodgeRam 3500N/AU-Groove Conventional
2001DodgeRam 3500 VanN/AU-Groove Conventional
2000DodgeDakotaN/AU-Groove Conventional
2000DodgeDurangoN/AU-Groove Conventional
2000DodgeRam 1500N/AU-Groove Conventional
2000DodgeRam 1500 VanN/AU-Groove Conventional
2000DodgeRam 2500N/AU-Groove Conventional
2000DodgeRam 2500 VanN/AU-Groove Conventional
2000DodgeRam 3500N/AU-Groove Conventional
2000DodgeRam 3500 VanN/AU-Groove Conventional
1999DodgeDakotaN/AU-Groove Conventional
1999DodgeDurangoN/AU-Groove Conventional
1999DodgeRam 1500N/AU-Groove Conventional
1999DodgeRam 1500 VanN/AU-Groove Conventional
1999DodgeRam 2500 VanN/AU-Groove Conventional
1999DodgeRam 3500 VanN/AU-Groove Conventional
1998DodgeB1500N/AU-Groove Conventional
1998DodgeB3500N/AU-Groove Conventional
1998DodgeDakotaN/AU-Groove Conventional
1998DodgeDurangoN/AU-Groove Conventional
1998DodgeRam 1500N/AU-Groove Conventional
1998JeepGrand CherokeeN/AU-Groove Conventional
1997DodgeB1500N/AU-Groove Conventional
1997DodgeB2500N/AU-Groove Conventional
1997DodgeB3500N/AU-Groove Conventional
1997DodgeDakotaN/AU-Groove Conventional
1997DodgeRam 1500N/AU-Groove Conventional
1997JeepGrand CherokeeN/AU-Groove Conventional

* 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:

J3239652

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