CHAMPION
More Information for CHAMPION 7406
{Alternate Inventory Numbers: RET9ZPMPB4}
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CHAMPION 7406  
$3.12
Price
$0.00
Core
+ Sold in packs of 1x1
Pack
$3.12
Total
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CHAMPION 7406 Specifications
Center Electrode Tip MaterialPlatinum
Electrical Terminal TypeNon-Removable Nut
Ground Electrode Core MaterialPlatinum
Ground Electrode Quantity1
Hex Size (IN)0.546
Hex Size (MM)14.000
Hex TypeHex
Insulator Height (in)0.12
Manufacturer Heat Range9
Plug TypeRET9ZPMPB4
Reach (IN)1.043
Resistor TypeYes
Seat TypeTapered
Thread Diameter (IN)0.470
Thread Diameter (MM)12.000
Double Platinum Power
Champion Double-Platinum Power spark plugs have platinum on both the center and ground electrodes. The center electrode is platinum fine wire that is riveted onto the nickel alloy center electrode. The ground electrode has a platinum pad welded to its surface.

This plug design is widely used for a distributorless ignition with a Waste Spark design. In this kind of ignition system, one bank of spark plugs fires from the center electrode to the ground and the other bank fires from the ground electrode to the center.

Features & Benefits:
  • More power, quicker acceleration
  • Fine wire center electrode and V-trimmed ground electrode create a sharp spark focus
  • Maintains stable operating temperature under all engine loads
  • Heat-Active™ alloy allows electrodes to reach optimal temperature
  • Platinum conductors on both center and ground electrodes for longer life and minimal wear
This spark plug is pre-gapped, but may require minor adjustments with a Spark Plug Gap Tool / Feeler Gauge to match your engine's specifications. For proper engine performance, gaps should be within ±0.004" of OE-Recommended value.
Which CHAMPION Spark Plug Is Right For You?

Material / Series Lifespan / Durability Performance / Ignitability Efficiency / Fuel Economy
Copper / Nickel Plus
Copper
Platinum Power
Platinum
★★ ★★★★
Double Platinum
Double Platinum
★★★★ ★★★★
Iridium
Iridium
★★★ ★★★★★ ★★
OEM / Interchange Numbers: 8L3E12405BB

Closeout Inventory Warranty Information:
Wholesaler Closeout items have a 30 day warranty (but still are covered by our Return Policy).

CHAMPION Regular Inventory Warranty Information:
Iridium plugs 7 years - Double Platinum Power 5 years - Platinum Power 3 years - Copper Plus 2 years