Description
The Champion Copper Plus Spark Plug RDJ7Y is a dependable OE-type replacement spark plug engineered for consistent ignition performance in small engine and outdoor power equipment applications. Designed with Champion’s proven Copper Plus construction, this plug supports reliable starts, accurate heat control, and durable everyday operation.
Built to deliver dependable performance and long service life, the RDJ7Y helps resist fouling while maintaining the ignition stability needed for handheld and compact engine equipment. Its resistor design, tapered seat, and standard electrode configuration make it a solid replacement choice for a wide range of trimmers, blowers, chainsaws, brush cutters, hedge trimmers, and related power equipment. Manufactured to ISO and SAE standards, it offers the fit, function, and durability expected from a trusted replacement plug.
Features
- Part number: 872
- Plug type: RDJ7Y
- OE-type replacement spark plug
- Champion Copper Plus design for dependable performance and durability
- Helps resist fouling for reliable operation
- Copper Plus construction supports heat control and service life
- Superior corrosion resistance
- Built to ISO and SAE standards for proven performance
- Center electrode tip material: Nickel
- Ground electrode tip material: Nickel
- Ground electrode core material: Nickel
- Ground electrode material: Nickel Copper Alloy
- Ground electrode quantity: 1
- Pre-gap size: 0.020 in / 0.50 mm
- Hex size: 0.625 in / 15.880 mm
- Insulator height: 0.06 in
- Manufacturer heat range: 7
- Seat type: Tapered
- Reach: 0.307 in
- Thread diameter: 14.000 mm / 0.551 in
- Resistor type: Yes
- Washer included: No
- Classification: Champion Copper Plus Small Engine
- Grade type: Standard Replacement
- Electrical terminal type: Non-Removable Nut
- Ground electrode tip material: Nickel
- Hex type: Hex
- Center electrode design: Standard
- Indexed: No
- Part description: Spark Plug
- Center electrode diameter: 0.094 in
- Installed height: 1.45 in
- Insulator projection: 0.06 in
- Taper diameter: 0.25 in
- Subject to Prop 65: No
Vehicle / Equipment Fitment
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Trim-A-Lawn
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Additional Catalog Entry
- Base — Spark Plug — Quantity 1 — 1 application
