Champion
Champion Iridium

Champion 9035 Spark Plug

Brand Champion 9035
Center Electrode Tip Material Iridium
Classification Champion Iridium
Electrical Terminal Type Non-Removable Nut
Ground Electrode Core Material Platinum
Ground Electrode Quantity 1
Ground Electrode Tip Design J Gap
Hex Size 0.551
Hex Size 14.000
Hex Type Hex
Insulator Height 0.14
Manufacturer Heat Range 11
Plug Type REA11WMPB4
Reach 1.043
Resistor Type Yes
Seat Type Flat
Thread Diameter 0.472
Thread Diameter 12.000
Product line Champion Iridium
Fits Scion and Toyota · 6 vehicles

Iridium center electrode. Fine-wire design sharpens spark focus for stronger performance.

Platinum ground electrode. Adds durability and consistent ignition performance.

Spark plug. Champion Iridium line for dependable secondary ignition.

Cross-references NGK 93482, 22401AA780 and 9091901275 for the same application. See all 5.

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Champion Iridium Spark Plug 9035 Overview

Champion Iridium 9035 is an OE-style spark plug built for precise ignition performance in select Toyota and Scion applications. It uses a fine-wire iridium center electrode with a platinum ground electrode to concentrate the spark and support consistent combustion.

Compatible With 2012-2015 Toyota Prius Plug-In and 2014-2015 Scion iQ applications that call for plug type REA11WMPB4. This Champion Iridium spark plug is a direct-fit ignition service part for drivers looking to restore reliable starting and smooth engine operation.

Key Features

  • Champion Iridium line spark plug for secondary ignition service
  • Fine-wire iridium center electrode for sharp spark focus
  • Platinum ground electrode core for durable electrode construction
  • J-gap ground electrode design
  • Resistor type plug for modern ignition systems
  • Flat seat design with 1.043 reach and 12 mm thread diameter
  • Heat range 11 and hex size 14 mm

Product Details

Champion 9035 is engineered around iridium and platinum electrode materials to deliver a concentrated spark event and stable ignition performance. The Champion Iridium product line focuses on precise spark delivery and long-service electrode construction, making it a practical choice for OE-type maintenance on the Toyota Prius Plug-In and Scion iQ. This part cross-references NGK 93482 for the same application.

Fits 2014-2015 Scion iQ, N/A. Fits 2012-2015 Toyota Prius Plug-In, N/A. Use this spark plug when the vehicle specification calls for plug type REA11WMPB4 and a 0.044 in gap.

Common Issues This Part May Address

  • Hard starting caused by worn spark plug electrodes
  • Rough idle from inconsistent spark delivery
  • Misfire conditions related to aged ignition components
  • Reduced throttle response from degraded combustion efficiency
  • Maintenance replacement for plugs reaching service interval

Installation Notes and Tips

Verify the required plug type, gap specification, seat style, and thread reach before installation. Confirm the engine is cool, inspect the ignition coil and boot condition, and follow the vehicle service manual for torque and gap handling. For these applications, the listed gap is 0.044 in.

Quality Assurance

Champion Iridium 9035 is built with iridium and platinum electrode materials for durable ignition service and consistent spark focus. It is specified for select Toyota Prius Plug-In and Scion iQ applications that require REA11WMPB4-style fitment.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2015ScioniQ1.3LL4N/AOE Type; Gap 0.044 (in); Plug Type Number REA11WMPB4; Champion Iridium
2015ToyotaPrius Plug-In1.8LL4N/AGap 0.044 (in); Plug Type Number REA11WMPB4; Champion Iridium
2014ScioniQ1.3LL4N/AOE Type; Gap 0.044 (in); Plug Type Number REA11WMPB4; Champion Iridium
2014ToyotaPrius Plug-In1.8LL4N/AGap 0.044 (in); Plug Type Number REA11WMPB4; Champion Iridium
2013ToyotaPrius Plug-In1.8LL4N/AGap 0.044 (in); Plug Type Number REA11WMPB4; Champion Iridium
2012ToyotaPrius Plug-In1.8LL4N/AGap 0.044 (in); Plug Type Number REA11WMPB4; Champion Iridium
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
NGK — 9348222401AA7809091901275REA11WMPB4SILZKAR7B11