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Federal Mogul 9803 Champion Iridium Spark Plug RC8WMPB4

(Honda Civic 2001-05, CRF450R 2002-08, CRF450X 2005-09, 2012-17, TRX700XX 2008-09, TRX450ER Electric Start 2006-09, 2012-14 + 17 more models)

Manufacturer

Picture for manufacturer Federal Mogul

Part Number

9803
4 reviews
Sale Price

$7.43

In Stock (6)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Champion RC8WMPB4 Iridium spark plug represents premium ignition technology engineered for maximum performance and longevity. This advanced spark plug features a fine-wire iridium center electrode paired with a platinum ground electrode, delivering superior spark focus and consistent firing under demanding conditions.

Key Features:

  • Fine-wire iridium center electrode provides sharper spark focus for optimal combustion efficiency
  • Platinum ground electrode ensures extended service life and reliable performance
  • Advanced electrode design reduces voltage requirements for easier cold starts
  • Superior heat dissipation properties prevent pre-ignition and fouling
  • Engineered to deliver improved throttle response and fuel efficiency
  • Champion OE-quality construction for reliable long-term performance

Champion Iridium spark plugs are designed to meet or exceed OEM specifications, providing the ultimate combination of performance, durability, and value. The iridium and platinum electrode materials offer significantly longer service intervals compared to traditional copper-core spark plugs.

Products specifications

Fits

Honda Civic 2001-05, CRF450R 2002-08, CRF450X 2005-09, 2012-17, TRX700XX 2008-09, TRX450ER Electric Start 2006-09, 2012-14; Porsche 911 1989-2008, Boxster 2007-09, Cayman 2006-08; Audi A4 Quattro 2005-08, A6 Quattro 2005-08 + 12 more models

Classification

Champion Iridium

Plug Type

RC8WMPB4

Electrical Terminal Type

Non-Removable Nut

Ground Electrode Tip Design

J Gap

Reach

0.75

Insulator Height

0.12

Ground Electrode Core Material

Platinum

Manufacturer Heat Range

8

Hex Size

15.880

Pre-Gap Size

0.041

Seat Type

FLAT

Resistor Type

Yes

Ground Electrode Quantity

1

Hex Size

0.625

Pre-Gap Size

1.05

Center Electrode Tip Material

Iridium

Thread Diameter

14.000

Thread Diameter

0.551

great service updated recipt of order and shipping notification very quickly

PIAA stuff ships slow but good prices

Good company to deal with, will gladly do business here again.

Happy with interface, we'll see if it arrives and is what I ordered.

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