Denso
U-Groove Conventional

Denso 3482 Spark Plug

Brand Denso 3482
Resistance 5000
Ground Electrode Tip Design U-groove
Ground Configuration Standard
Ground Electrode Core Material Nickel
Center Electrode Core Material Copper
Center Electrode Tip Material Nickel
Pre-Gap Size 1.1
Ground Electrode Quantity 1
Hex Size 16.0
Manufacturer Heat Range 16
Seat Type Flat
Reach 26.50
Thread Diameter 14.00
Product line U-Groove Conventional
Fits Scion and Toyota · 31 vehicles

U-Groove design. Improves ignitability for more efficient engine performance.

Copper core. Helps promote consistent spark delivery.

Conventional spark plug. A standard replacement for secondary ignition service.

Cross-references DENSO Auto Parts K16HR-U11 for the same application. See all 1.

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Denso 3482 U-Groove Spark Plug Overview

Denso 3482 is a conventional spark plug built for direct-fit service in select Toyota and Scion applications. Its U-Groove ground electrode design is engineered to improve ignitability, helping support more efficient combustion in the engine.

Built with a copper center electrode core, nickel center electrode tip, nickel ground electrode tip, and a standard ground configuration, this spark plug is specified with a 1.1 pre-gap, 5000 resistance, 14.00 mm thread diameter, 26.50 reach, 16.0 hex size, flat seat, and heat range 16.

Key Features

  • U-Groove ground electrode design for improved spark exposure
  • Conventional spark plug construction for OE-style service
  • Copper core center electrode for stable ignition performance
  • Nickel center and ground electrode tip materials
  • 5000 resistance specification
  • Pre-gapped at 1.1 for the listed applications
  • Direct replacement part number Denso 3482

Product Line Details

Denso’s U-Groove Conventional line focuses on dependable ignition performance with a ground electrode shape that helps the spark kernel form more efficiently. For drivers maintaining Toyota Camry, Toyota RAV4, Toyota Highlander, Toyota Sienna, Toyota 4Runner, Toyota Venza, Toyota FJ Cruiser, Toyota Tundra, and Scion tC applications, this line provides an OE-style spark plug option matched to the listed engine requirements.

Detailed Description

Denso 3482 is a spark plug for secondary ignition service in select 2011-2015 Toyota and Scion vehicles. The U-Groove design increases ignitability by exposing the spark more effectively at the ground electrode, which supports cleaner combustion and consistent engine operation. This part cross-references DENSO Auto Parts K16HR-U11 for the same application.

Compatible With 2011-2015 Scion tC, N/A; 2014-2015 Toyota 4Runner, N/A; 2011-2015 Toyota Highlander, N/A; 2011-2015 Toyota RAV4, N/A; 2011-2015 Toyota Venza, N/A; 2011-2014 Toyota Camry, N/A; 2014 Toyota FJ Cruiser, N/A; 2014 Toyota Tundra, N/A; and 2011-2013 Toyota Sienna, N/A. Searchers looking for a Toyota Camry spark plug, Toyota RAV4 spark plug, or Scion tC ignition tune-up part will find this Denso 3482 listing aligned to those applications.

What It Helps Address

  • Hard starting caused by worn spark plug electrodes
  • Rough idle from weak or inconsistent ignition
  • Misfire conditions related to aged secondary ignition components
  • Reduced combustion efficiency from excessive plug wear
  • Maintenance replacement for listed Toyota and Scion models

Installation Notes and Tips

Verify the engine application against the listed fitment before installation. Confirm the 14.00 mm thread diameter, 26.50 reach, flat seat, 16.0 hex size, and 1.1 pre-gap match the vehicle specification. Use proper spark plug service procedures, including correct torque and inspection of the ignition system, to maintain reliable operation.

Quality Assurance

Denso manufactures this spark plug to the stated OE-style specifications for the listed applications. The U-Groove Conventional design and material selection are intended to support consistent ignition performance in compatible Toyota and Scion engines.

This part fits 31 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelFuel TypePositionNotes
2015SciontC—N/AU-Groove Conventional
2015Toyota4Runner—N/AU-Groove Conventional
2015ToyotaHighlander—N/AU-Groove Conventional
2015ToyotaRAV4—N/AU-Groove Conventional
2015ToyotaVenza—N/AU-Groove Conventional
2014SciontC—N/AU-Groove Conventional
2014Toyota4Runner—N/AU-Groove Conventional
2014ToyotaCamryGASN/AU-Groove Conventional
2014ToyotaFJ Cruiser—N/AU-Groove Conventional
2014ToyotaHighlander—N/AU-Groove Conventional
2014ToyotaRAV4—N/AU-Groove Conventional
2014ToyotaTundra—N/AFrom 06/2013; U-Groove Conventional
2014ToyotaVenza—N/AU-Groove Conventional
2013SciontC—N/AU-Groove Conventional
2013ToyotaCamryGASN/AU-Groove Conventional
2013ToyotaHighlander—N/AU-Groove Conventional
2013ToyotaRAV4—N/AU-Groove Conventional
2013ToyotaSienna—N/AU-Groove Conventional
2013ToyotaVenza—N/AU-Groove Conventional
2012SciontC—N/AU-Groove Conventional
2012ToyotaCamryGASN/AU-Groove Conventional
2012ToyotaHighlander—N/AU-Groove Conventional
2012ToyotaRAV4—N/AU-Groove Conventional
2012ToyotaSienna—N/AU-Groove Conventional
2012ToyotaVenza—N/AU-Groove Conventional
2011SciontC—N/AU-Groove Conventional
2011ToyotaCamry—N/AU-Groove Conventional
2011ToyotaHighlander—N/AU-Groove Conventional
2011ToyotaRAV4—N/AU-Groove Conventional
2011ToyotaSienna—N/AU-Groove Conventional
2011ToyotaVenza—N/AU-Groove Conventional
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
DENSO Auto Parts — K16HR-U11