18S Copper Plus Spark Plug [0.551 in. Thread, 0.441 in. Reach]

Name: 18S Copper Plus Spark Plug [0.551 in. Thread, 0.441 in. Reach]
Brand: CHAMPION SPARK PLUGS
SKU: 192-18S
Price: 64.99 USD
Availability: InStock

^$64⁹⁹

Ships on 09/29/2026

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Copper Plus Spark Plug

Type: RV15YC4

Hex Size: 0.625 in.

Thread Size: 0.551 in.

Heat Range: 15

Seat Type: Tapered

Material: Nickel Copper Alloy

Set of 24

CHAMPION SPARK / FEDERAL MOGUL 18S Features:

Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

Copper Plus - Dependable Performance.
Copper core center electrode allows for accurate control of heat range for longer life
Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance
Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression
Built to ISO and SAE standards for proven performance

Part TypeSpark Plug

BrandCHAMPION SPARK PLUGS

Package Height0.7

Package Width1.9

Package Length3.5

Weight0.09 PG

Part CategoryReplacement Parts

Part FitmentSemi Universal

Vendor Part Number18S

Package Qty1

Package TypeEA

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Some parts are not legal for use in California or other states with similar laws / regulations

18S Copper Plus Spark Plug [0.551 in. Thread, 0.441 in. Reach]

CHAMPION SPARK / FEDERAL MOGUL 18S Features:

⚠️ Warning

Motor Vehicles

Tools

Electrical Cords