Champion Industrial Spark Plug RL78C/T10
Champion Copper Plus Spark Plug RL78C T10. Features a copper core electrode for increased conductivity and precise heat control, offering optimal wear resistance and longevity. This spark plug has a QL78C plug type, nickel centre electrode tip material, and a pre-gap size of 0.030 inches (0.76mm). It includes one ground electrode, a hex size of 0.813 inches (20.650mm), and a manufacturer heat range of 78. The seat type is flat, with a reach of 0.5 inches. Thread diameter is 0.551 inches (14.000mm). It is a resistor type plug with a nickel copper alloy ground electrode material. The washer is included and is a crush type. This is classified as a Champion Copper Plus Small Engine spark plug. The electrical terminal type is a non-removable nut. Cross reference numbers include DENSO W24FSR and NGK BR8HS. Part Description: Spark Plug. Centre Electrode Diameter: 0.1 inch. Installed Height: 2.24 inches. Taper Diameter: 0.25 inches.
- SKU
- 37-RL78C
- Brand
- Champion Spark Plugs
- Availability
- In Stock (10)
FULL DESCRIPTION
Champion Copper Plus Spark Plug RL78C
Experience reliable and consistent engine performance with the Champion Copper Plus Spark Plug. Designed with a robust copper core electrode, this spark plug offers enhanced conductivity for efficient ignition and precise heat management, leading to extended lifespan and optimal wear resistance.
Key Features:
- Copper Plus Design: Delivers dependable performance and exceptional durability for your engine.
- OE Type Replacement: Engineered for seamless integration as an original equipment replacement part.
- Resists Fouling: Maintains optimal performance over time by resisting fouling.
- Copper Core Centre Electrode: Provides accurate heat range control, significantly increasing the spark plug's service life.
- Superior Corrosion Resistance: Built to withstand various environmental conditions, ensuring lasting integrity.
- Meets Industry Standards: Compliant with ISO and SAE standards, guaranteeing proven and reliable operation.
Spark Plug Specifications:
- Plug Type: QL78C
- Centre Electrode Tip Material: Nickel
- Pre-Gap Size: 0.030" (0.76mm)
- Ground Electrode Quantity: 1
- Hex Size: 0.813" (20.650mm)
- Manufacturer Heat Range: 78
- Seat Type: Flat
- Reach: 0.5"
- Thread Diameter: 0.551" (14.000mm)
- Resistor Type: Yes
- Ground Electrode Core Material: Nickel
- Washer Included: Yes
- Classification: Champion Copper Plus Small Engine
- Electrical Terminal Type: Non-Removable Nut
- Hex Type: Hex
- Washer Type: Crush
- Part Description: Spark Plug
- Centre Electrode Diameter: 0.1"
- Ground Electrode Material: Nickel Copper Alloy
- Installed Height: 2.24"
- Taper Diameter: 0.25"
Cross Reference Numbers:
- DENSO: W24FSR
- NGK: BR8HS


