Description
The Champion 79 Copper Plus Spark Plug is a standard replacement spark plug engineered for dependable performance, durability, and consistent heat control across a wide range of passenger car and light truck applications. Built with a copper core center electrode, this plug provides strong conductivity and accurate heat range control to support reliable ignition and good overall wear in compatible engines.
As part of the Champion Copper Plus line, this spark plug is designed to meet ISO and SAE standards for proven performance. Its nickel center electrode tip and nickel ground electrode core provide dependable service, while the tapered seat and resistor design support OEM-style replacement fitment in many Buick, Cadillac, Chevrolet, Ford, GMC, Oldsmobile, and Pontiac applications.
Pre-gapped to 0.060 in (1.52 mm) and built with a 14 mm thread diameter, 0.441 in reach, and 5/8 in hex size, the Champion 79 RV15YC6 spark plug is a reliable replacement option for maintaining ignition performance in older passenger cars, light trucks, vans, and utility vehicles.
Features
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Copper core center electrode for strong conductivity and heat control
- Dependable Copper Plus design for everyday replacement use
- Built to ISO and SAE standards for proven performance
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Nickel center electrode tip material for reliable service life
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Nickel ground electrode core material for durability
- Superior corrosion resistance
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Pre-gapped: 0.060 in (1.52 mm)
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Plug Type: RV15YC6
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Thread Diameter: 14.000 mm / 0.551 in
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Reach: 0.441 in
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Seat Type: Tapered
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Hex Size: 15.880 mm / 0.625 in
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Resistor Type: Yes
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Electrical Terminal Type: Non-Removable Nut
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Ground Electrode Quantity: 1
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Insulator Height: 0.12 in
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Manufacturer Heat Range: 15
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Center Electrode Tip Material: Nickel
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Ground Electrode Core Material: Nickel
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Hex Type: Hex
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Classification: Champion Copper Plus
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Quantity Required: 1
Vehicle Fitment
Buick
- Apollo (1975) – 4.1L L6
- Apollo (1975) – 5.7L V8
- Century (1978) – 3.8L V6
- Century (1979) – 3.2L V6
- Century (1979) – 3.8L V6 Naturally Aspirated
- Century (1980–1981) – 4.3L V8
- Century (1982–1985) – 3.0L V6
- Century (1984–1985) – 3.8L V6
- Electra (1979) – 5.7L V8
- Estate Wagon (1979) – 5.7L V8
- Estate Wagon (1980) – 4.9L V8
- LeSabre (1975–1976) – 5.7L V8
- LeSabre (1975) – 6.6L V8
- LeSabre (1978) – 3.8L V6 Turbocharged
- LeSabre (1979–1980) – 4.9L V8
- LeSabre (1979–1980) – 5.7L V8
- LeSabre (1980–1984) – 4.1L V6
- Regal (1977–1978) – 3.8L V6
- Regal (1979) – 3.2L V6
- Regal (1979) – 3.8L V6 Naturally Aspirated
- Regal (1979–1980) – 4.9L V8
- Regal (1980–1981) – 4.3L V8
- Regal (1982–1984) – 4.1L V6
- Riviera (1981–1984) – 4.1L V6
- Riviera (1982–1983) – 3.8L V6
- Skyhawk (1980) – 3.8L V6
- Skylark (1977) – 4.9L V8
- Skylark (1980–1991) – 2.5L L4
- Somerset (1986–1987) – 2.5L L4
- Somerset Regal (1985) – 2.5L L4
Cadillac
- DeVille (1980–1982) – 4.1L V6
- Eldorado (1981–1982) – 4.1L V6
- Fleetwood (1980–1982) – 4.1L V6
- Seville (1981–1982) – 4.1L V6
Checker
- Marathon (1975) – 5.7L V8
Chevrolet
- Astro (1985–1990) – 2.5L L4
- Bel Air (1975) – 6.6L V8
- Bel Air (1975) – 7.4L V8
- C10 (1975) – 4.1L L6
- C10 Suburban (1975) – 4.1L L6
- C20 (1975) – 4.1L L6
- C20 (1975) – 7.4L V8
- C30 (1975) – 4.1L L6
- C30 (1975) – 7.4L V8
- C50 (1975) – 4.1L L6
- Camaro (1980–1981) – 3.8L V6
- Caprice (1975) – 7.4L V8
- Celebrity (1982–1983) – 2.5L L4
- Citation (1980–1983) – 2.5L L4
- Citation II (1984–1985) – 2.5L L4
- El Camino (1975) – 4.1L L6
- El Camino (1975) – 6.6L V8
- El Camino (1975) – 7.4L V8
- G10 (1975) – 4.1L L6
- G20 (1975) – 4.1L L6
- K10 (1975) – 4.1L L6
- K10 Suburban (1975) – 4.1L L6
- K20 (1975) – 4.1L L6
- K5 Blazer (1975) – 4.1L L6
- K5 Blazer (1975) – 5.7L V8
- LLV (1987–1993) – 2.5L L4
- Lumina (1990–1992) – 2.5L L4
- Monte Carlo (1986–1987) – 3.8L V6
- Monza (1975) – 4.3L V8
- Monza (1978–1980) – 2.5L L4
- Monza (1978–1980) – 3.8L V6
- S10 (1985–1993) – 2.5L L4
- S10 Blazer (1985–1988) – 2.5L L4
Ford
- Mustang (1994–1995) – 5.0L V8
GMC
- C15 (1975) – 4.1L L6
- C15 Suburban (1975) – 4.1L L6
- C25 (1975) – 4.1L L6
- C35 (1975) – 4.1L L6
- G15 (1975) – 4.1L L6
- Jimmy (1975) – 4.1L L6
- K15 (1975) – 4.1L L6
- K15 Suburban (1975) – 4.1L L6
- K15 Suburban (1975–1976) – 5.7L V8
- K25 (1975) – 4.1L L6
- S15 (1985–1990) – 2.5L L4
- S15 Jimmy (1985–1988) – 2.5L L4
- Safari (1985–1990) – 2.5L L4
- Sonoma (1991–1993) – 2.5L L4
- Sprint (1975) – 4.1L L6
Oldsmobile
- 98 (1975) – 6.6L V8
- 98 (1981–1983) – 4.1L V6
- 98 (1985) – 3.0L V6
- 98 (1985) – 3.8L V6
- Calais (1985–1987) – 2.5L L4
- Custom Cruiser (1975) – 6.6L V8
- Cutlass (1977–1979) – 3.8L V6
- Cutlass Calais (1988–1991) – 2.5L L4
- Cutlass Ciera (1982–1992) – 2.5L L4
- Cutlass Ciera (1982–1985) – 3.0L V6
- Cutlass Cruiser (1980–1983) – 3.8L V6
- Cutlass Cruiser (1987–1992) – 2.5L L4
- Cutlass Salon (1978–1980) – 3.8L V6
- Cutlass Salon (1985–1987) – 3.8L V6
- Cutlass Supreme (1975) – 4.1L L6
- Delta 88 (1975) – 6.6L V8
- Delta 88 (1979) – 4.9L V8
- Omega (1975) – 4.1L L6
- Omega (1980–1983) – 2.5L L4
- Starfire (1977–1978) – 3.8L V6
- Starfire (1979–1980) – 2.5L L4
- Starfire (1979–1980) – 3.8L V6
- Toronado (1981–1984) – 4.1L V6
Pontiac
- 6000 (1982–1991) – 2.5L L4
- Astre (1977) – 2.5L L4
- Bonneville (1975–1977) – 6.6L V8
- Bonneville (1978–1979) – 4.9L V8
- Bonneville (1978) – 6.6L V8
- Bonneville (1981) – 4.3L V8
- Bonneville (1982) – 4.1L V6
- Catalina (1975–1976) – 6.6L V8
- Catalina (1977–1981) – 3.8L V6
- Catalina (1977–1980) – 4.9L V8
- Catalina (1978–1980) – 5.7L V8
- Catalina (1977–1978) – 6.6L V8
- Fiero (1984–1988) – 2.5L L4
- Firebird (1975) – 4.1L L6
- Firebird (1975–1979) – 6.6L V8
- Firebird (1977–1981) – 3.8L V6
- Firebird (1977) – 4.9L V8
- Firebird (1977) – 5.0L V8
- Firebird (1979–1981) – 4.9L V8
- Firebird (1980–1981) – 4.3L V8
- Firebird (1981) – 4.4L V8
- Firebird (1982–1983) – 2.5L L4
- Grand Am (1975) – 5.7L V8
- Grand Am (1975) – 6.6L V8
- Grand Am (1978–1980) – 4.9L V8
- Grand Am (1979) – 3.8L V6
- Grand Am (1985–1991) – 2.5L L4
- Grand LeMans (1975) – 4.1L L6
- Grand LeMans (1975–1976) – 6.6L V8
- Grand LeMans (1977–1981) – 4.9L V8
- Grand LeMans (1980–1981) – 4.3L V8
- Grand LeMans (1982) – 4.1L V6
- Grand Prix (1975–1977) – 6.6L V8
- Grand Prix (1978–1979) – 4.9L V8
- Grand Prix (1980–1981) – 4.3L V8
- Grand Prix (1980) – 4.9L V8
- Grand Prix (1982) – 4.1L V6
- Grand Safari (1975–1976) – 6.6L V8
- Grand Safari (1977) – 4.9L V8
- Grand Safari (1977–1978) – 6.6L V8
- Laurentian (1976) – 6.6L V8
- Laurentian (1978–1980) – 5.7L V8
- LeMans (1975) – 4.1L L6
- LeMans (1975–1977) – 6.6L V8
- LeMans (1976) – 7.5L V8
- LeMans (1977) – 4.9L V8
- LeMans (1977) – 5.7L V8
- LeMans (1979–1981) – 4.9L V8
- LeMans (1980–1981) – 4.3L V8
- Parisienne (1976) – 6.6L V8
- Parisienne (1981–1985) – 3.8L V6
- Phoenix (1977) – 5.0L V8
- Phoenix (1984) – 2.5L L4
- Ventura (1975) – 4.1L L6