Champion 979 - Copper Plus™ Spark Plug - Small Engine
$442
MSRP: $6.49
Save: $2.07
In stock
limited availability at this price!
Pay over 3-12 months with
. Learn more
CHAMPION part description
Product Description
Copper Plus Small Engine Spark Plug RDZ4H Carton of 4
Application Summary
SMALL ENGINE
Features & Benefits
- Copper Plus - Dependable Performance and Durability
- OE type replacement plug
- Resists fouling
- Dependable and proven performance
- Copper core center electrode allows for accurate control of heat range for longer life
- Increased conductivity and heat control for good overall wear
- Superior corrosion resistance
- Built to ISO and SAE standards for proven performance
Product Attributes
Ground Electrode Tip Design | J Gap |
Ground Electrode Core Material | Nickel |
Washer Included | No |
Electrical Terminal Type | Non-Removable Nut |
Center Electrode Tip Material | Nickel |
Pre-Gap Size | 0.025 IN |
Ground Electrode Quantity | 1 |
Hex Size | 0.625 IN |
Insulator Height | 0.03 IN |
Manufacturer Heat Range | 4 |
Seat Type | Tapered |
Reach | 0.5 IN |
Thread Diameter | 0.394 IN |
Resistor Type | Yes |
9507 | Hex |
9746 | No |
9748 | 0.320 IN |
Center Electrode Diameter (inch) | 0.052 IN |
Classification | Champion Copper Plus Small Engine |
Gap Style | J Gap |
Ground Electrode Material | Nickel Copper Alloy |
Installed Height (inch) | 1.45 IN |
Insulator Projection (inch) | 0.03 IN |
Part Description | Spark Plug |
Plug Type | RDZ4H |
Taper Diameter (inch) | 0.18 IN |
Hex Size | 15.880 MM |
Thread Diameter | 10.000 MM |
Title | Champion Copper Plus Small Engine- Boxed - RDZ4H |
Ground Electrode Tip Material | Nickel |
9608 | Standard |
9748 | 8.1 MM |
Grade Type | Premium |
Pre-Gap Size | 0.64 MM |
Subject To Prop 65 (yes/no) | No |
Additional Information
Country of Origin (Primary) | MX |
Harmonized Tariff Code (Schedule B) | 8511100000 |
Harmonized Tariff Code (HTS) | 8511100000 |
Refurbished Part | N |
Remanufactured Part | N |
UPC | 00037551010295 |
VMRS Code | 033003005 |
Part Interchanges

Don't know your part number?
Take a photo and we'll identify it!