858 Copper Plus Small Engine Spark Plug [0.551 in. Thread, 0.375 in. Reach]

Name: 858 Copper Plus Small Engine Spark Plug [0.551 in. Thread, 0.375 in. Reach]
Brand: CHAMPION SPARK PLUGS
SKU: 192-858
Price: 3.99 USD
Availability: InStock

^$3⁹⁹

Ships on 09/08/2026

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Copper Plus Small Engine Spark Plug

Type: CJ6Y

Hex Size: 0.750 in.

Thread Size: 0.551 in.

Gap: 0.025 in.

Material: Nickel Copper Alloy

Seat Type: Flat

Heat Range: 6

Sold Individually

CHAMPION SPARK / FEDERAL MOGUL 858 Features:

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

Resists fouling
Superior corrosion resistance
Dependable and proven performance
Increased conductivity and heat control for good overall wear

Part TypeSpark Plug

BrandCHAMPION SPARK PLUGS

Package Height0.9

Package Width1.0

Package Length3.8

Weight0.02 PG

Part CategoryReplacement Parts

Part FitmentSemi Universal

Vendor Part Number858

Package Qty1

Package TypeEA

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

858 Copper Plus Small Engine Spark Plug [0.551 in. Thread, 0.375 in. Reach]

CHAMPION SPARK / FEDERAL MOGUL 858 Features:

⚠️ Warning

Motor Vehicles

Tools

Electrical Cords