Champion 7408 Spark Plug

Description

The Champion 7408 Spark Plug is part of Champion’s Double Platinum Power series, engineered to deliver reliable ignition performance and extended service life in modern gasoline engines. Featuring a platinum fine-wire center electrode and platinum pad ground electrode, this spark plug helps provide improved spark focus, reduced wear, and long-lasting performance.

Champion’s Heat-Active™ alloy technology allows the electrodes to quickly reach and maintain optimal operating temperature, helping ensure stable combustion across a wide range of driving conditions. The V-trimmed ground electrode enhances spark exposure for improved ignitability, while the platinum construction offers excellent resistance to erosion and corrosion.

Designed as a premium OE-style replacement, the Champion 7408 provides dependable ignition performance for many Ford, Buick, Chevrolet, Mazda, Mercury, Oldsmobile, Pontiac, and Mercedes-Benz vehicles.

Features

• Double Platinum Power premium spark plug design

• Platinum fine-wire center electrode improves ignitability

• Platinum pad ground electrode increases durability and service life

• Heat-Active™ alloy helps maintain optimal operating temperature

• V-trimmed ground electrode promotes sharper spark focus

• Resists wear and corrosion for long-lasting performance

• Maintains stable performance across varying engine loads

• OE-type replacement spark plug for compatible engines

Specifications

• Part Description: Spark Plug

• Part Number: 7408

• Plug Type: RS14PYPB

• Classification: Champion Double Platinum / Double Platinum Power

• Center Electrode Tip Material: Platinum

• Ground Electrode Material: Platinum Pad Surface

• Ground Electrode Core Material: Platinum

• Center Electrode Diameter: 0.1 in

• Ground Electrode Quantity: 1

• Pre-Gap Size: 0.044 in / 1.12 mm

• Hex Size: 0.625 in / 15.880 mm

• Manufacturer Heat Range: 14

• Seat Type: Tapered

• Reach: 0.689 in

• Thread Diameter: 14 mm / 0.551 in

• Resistor Type: Yes

• Electrical Terminal Type: Non-Removable Nut

• Installed Height: 2.05 in

• Insulator Projection: 0.06 in

• Insulator Height: 0.06 in

• Hex Type: Hex

• Taper Diameter: 0.25 in

• Ordered As Part Number: 7408

• Quantity Required: 1

• Weight: 0.11 lb

Fitment

Compatible with a wide range of vehicles including examples from the supplied fitment list:

Buick

• Century

• Electra

• LeSabre

• Riviera

• Skylark

• Somerset

• Somerset Regal

Chevrolet

• S10

Ford

• Aerostar

• Bronco II

• Courier

• F-100

• F-150

• Fairmont

• Fiesta

• Granada

• LTD

• Mustang

• Mustang II

• Pinto

• Ranger

• Tempo

• Thunderbird

• Windstar

Mazda

• B2500

• MPV

Mercedes-Benz

• 260E

• 300CE

Mercury

• Bobcat

• Capri

• Cougar

• Marquis

• Sable

• Topaz

• Zephyr

Oldsmobile

• 98

• Calais

• Cutlass Calais

• Cutlass Ciera

• Cutlass Cruiser

• Delta 88

• Toronado

Pontiac

• Bonneville

• Sunfire

Application summary examples include:

• Buick passenger vehicles with 3.0L V6 (1985–1988) and 3.8L V6 (1986–1988)

• Chevrolet light trucks with 2.2L L4 (1999–2000)

• Ford trucks with 2.0L L4 (1982–1988), 2.3L L4 (1974–1988), 2.8L V6 (1983–1985), 2.9L V6 (1986–1992), and 5.8L V8 (1993–1995)

• Ford passenger vehicles including 1.6L L4 (1980) and 2.3L L4 (1974–1988)

Always verify engine size, model year, and manufacturer recommendations to confirm correct spark plug fitment before installation.