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Motorcraft Spark Plug SP502X (ASF42PX)
Motorcraft Spark Plug SP502X (ASF42PX)
Load image into Gallery viewer, Motorcraft Spark Plug SP502X (ASF42PX)
Load image into Gallery viewer, Motorcraft Spark Plug SP502X (ASF42PX)

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Motorcraft Spark Plug SP502X (ASF42PX)

MOTORCRAFT
ELE2106
In stock
$8.89 $7.99
Description The Motorcraft Spark Plug SP502X (ASF42PX) is engineered to meet strict Ford engineering standards for...
$7.99
Motorcraft Spark Plug SP502X (ASF42PX)
Description

Description

The Motorcraft Spark Plug SP502X (ASF42PX) is engineered to meet strict Ford engineering standards for performance, durability, and long service life. Designed to help maintain peak engine performance throughout its service interval, this spark plug supports efficient combustion, helps reduce misfires, improves fuel economy, and supports proper emissions performance.

Motorcraft spark plugs are matched to specific engine applications to provide dependable ignition performance across a broad range of domestic vehicles. Built with high-quality materials, the SP502X is a reliable OEM-style replacement spark plug for maintaining long-term engine efficiency and consistent operation in trucks, vans, passenger cars, and commercial chassis applications.

With a typical service interval of 60,000 to 100,000 miles, the SP502X is designed for dependable performance and proper fitment in compatible Ford, Lincoln, Mercury, GM, Dodge, Plymouth, AM General, Checker, DeTomaso, Isuzu, and other supported applications.

Features

  • Motorcraft spark plug part number SP502X
  • Plug number ASF42PX
  • Meets Ford engineering standards for quality and performance
  • Designed to help maintain peak engine performance over extended service intervals
  • Typical service life of 60,000 to 100,000 miles
  • Helps reduce misfires and support fuel efficiency
  • Supports proper emissions performance
  • Engine-specific design for reliable fit and function
  • Built with high-quality materials for dependable long-term durability
  • Suitable for a wide range of gasoline engine applications
  • Brand: Motorcraft
  • Dimensions: 1.00 L x 1.00 W x 3.38 H in
  • Weight: 0.10 lb

Fitment

  • Ford Country Sedan: 1971–1974 – 6.6L Gas, 7.0L Gas, 7.5L Gas
  • Ford Country Squire: 1971–1974 – 6.6L Gas, 7.0L Gas, 7.5L Gas
  • Ford Custom: 1971–1972 – 6.6L Gas
  • Ford Custom 500: 1971–1975 – 5.8L Gas, 6.6L Gas, 7.0L Gas, 7.5L Gas
  • Ford E-100 Econoline: 1975–1978 – 5.0L Gas, 5.8L Gas, 7.5L Gas; 1983 – 5.8L Gas
  • Ford E-100 Econoline Club Wagon: 1975–1978 – 5.8L Gas; 1983 – 5.8L Gas
  • Ford E-150 Econoline: 1975 – 5.0L Gas, 5.8L Gas; 1977–1978 – 5.8L Gas; 1983–1996 – 5.0L Gas, 5.8L Gas
  • Ford E-150 Econoline Club Wagon: 1975 – 5.8L Gas; 1977–1978 – 5.8L Gas; 1983–1996 – 5.0L Gas, 5.8L Gas
  • Ford E-250 Econoline: 1975–1978 – 5.0L Gas, 5.8L Gas, 7.5L Gas; 1980 – 7.5L Gas; 1983–1991 – 5.0L Gas, 5.8L Gas
  • Ford E-250 Econoline Club Wagon: 1975–1978 – 5.8L Gas, 7.5L Gas; 1980 – 7.5L Gas; 1982–1985 – 5.8L Gas, 7.5L Gas; 1987 – 7.5L Gas
  • Ford E-350 Econoline: 1975–1978 – 5.0L Gas, 5.8L Gas, 7.5L Gas; 1980 – 7.5L Gas; 1982–1985 – 5.8L Gas, 7.5L Gas; 1987 – 7.5L Gas
  • Ford E-350 Econoline Club Wagon: 1977–1978 – 5.8L Gas, 7.5L Gas; 1980 – 7.5L Gas; 1982–1985 – 5.8L Gas, 7.5L Gas; 1987 – 7.5L Gas
  • Ford Elite: 1975 – 5.8L Gas, 6.6L Gas, 7.5L Gas
  • Ford F Super Duty: 1990–1997 – 7.5L Gas
  • Ford F-150: 1975–1996 – 5.0L Gas, 5.8L Gas, 6.6L Gas, 7.5L Gas
  • Ford F-250 HD: 1997 – 7.5L Gas
  • Ford F-250 Super Duty: 1973–1997 – 5.0L Gas, 5.8L Gas, 6.6L Gas, 7.5L Gas
  • Ford F-500 Super Duty: 1975 – 5.4L Gas
  • Ford F-53 Stripped Chassis: 1988–1997 – 7.5L Gas
  • Ford Fairmont: 1980–1981 – 4.2L Gas
  • Ford Galaxie 500: 1971–1974 – 6.6L Gas, 7.0L Gas, 7.5L Gas
  • Ford Gran Torino: 1972–1975 – 5.8L Gas, 6.6L Gas, 7.0L Gas, 7.5L Gas
  • Ford Granada: 1975 – 5.0L Gas, 5.8L Gas; 1980–1981 – 4.2L Gas
  • Ford LTD: 1971–1975 – 5.8L Gas, 6.6L Gas, 7.0L Gas, 7.5L Gas; 1983–1986 – 5.0L Gas, 5.8L Gas
  • Ford LTD Crown Victoria: 1987–1991 – 5.8L Gas
  • Ford Maverick: 1975 – 5.0L Gas
  • Ford Mustang: 1980–1985 – 4.2L Gas, 5.0L Gas; 1987–1995 – 5.0L Gas
  • Ford Mustang II: 1975 – 5.0L Gas
  • Ford P-350: 1972–1973 – 5.9L Gas, 6.4L Gas
  • Ford Ranch Wagon: 1971–1974 – 6.6L Gas, 7.0L Gas, 7.5L Gas
  • Ford Ranchero: 1972–1975 – 5.8L Gas, 6.6L Gas, 7.0L Gas, 7.5L Gas; 1977–1979 – 5.0L Gas, 5.8L Gas
  • Ford Thunderbird: 1972–1975 – 6.6L Gas, 7.0L Gas, 7.5L Gas; 1980–1981 – 4.2L Gas; 1991–1993 – 5.0L Gas
  • Ford Torino: 1972–1975 – 5.8L Gas, 6.6L Gas, 7.0L Gas, 7.5L Gas
  • Ford Bronco: 1971, 1975, 1977 – V8 5.0L; 1978–1979 – V8 5.8L, 6.6L; 1980–1982 – V8 5.0L, 5.8L; 1983–1985 – V8 5.0L, 5.8L; 1986–1996 – V8 5.0L
  • Ford F-250: 1973–1997 – V8 5.0L, 5.8L, 6.6L, 7.5L
  • Ford F-350: 1973–1997 – V8 5.0L, 5.8L, 6.6L, 7.5L
  • Ford F-53 Motorhome Chassis: 1988–1997 – V8 7.5L
  • Ford F-Super Duty: 1990–1997 – V8 7.5L
  • Lincoln Continental: 1973 – 7.5L Gas
  • Lincoln Mark IV: 1973 – 7.5L Gas
  • Lincoln Mark VII: 1985 – 5.0L Gas; 1988–1992 – 5.0L Gas
  • Mercury Capri: 1980–1985 – 4.2L Gas, 5.0L Gas
  • Mercury Colony Park: 1971–1974 – 6.6L Gas, 7.0L Gas, 7.5L Gas
  • Mercury Comet: 1975 – 5.0L Gas
  • Mercury Cougar: 1973–1975 – 5.8L Gas, 6.6L Gas, 7.5L Gas; 1980–1981 – 4.2L Gas; 1991–1993 – 5.0L Gas
  • Mercury Grand Marquis: 1975 – 6.6L Gas, 7.5L Gas; 1983–1989 – 5.8L Gas
  • Mercury Marquis: 1971–1975 – 6.6L Gas, 7.0L Gas, 7.5L Gas
  • Mercury Monarch: 1975 – 5.0L Gas, 5.8L Gas; 1980 – 4.2L Gas
  • Mercury Montego: 1972–1975 – 5.8L Gas, 6.6L Gas, 7.0L Gas, 7.5L Gas
  • Mercury Monterey: 1971–1974 – 6.6L Gas, 7.0L Gas, 7.5L Gas
  • Mercury Zephyr: 1980–1981 – 4.2L Gas
  • AM General Hummer: 1995–1996 – V8 5.7L
  • Buick Commercial Chassis: 1993
  • Buick Electra: 1967, 1969 – V8 7.0L
  • Buick Gran Sport: 1967 – V8 6.6L
  • Buick Regal: 1984–1987 – Turbocharged V6 3.8L
  • Buick Riviera: 1967; 1984–1985 – V6 3.8L
  • Buick Roadmaster: 1993
  • Buick Skylark: 1967 – V8 6.6L; 1980 – V6 2.8L
  • Buick Wildcat: 1967 – V8 7.0L
  • Checker Marathon: 1971 – V8 5.7L
  • Chevrolet Astro: 1989–1995 – V6 4.3L
  • Chevrolet Bel Air: 1970 – V8 7.4L
  • Chevrolet Biscayne: 1970 – V8 7.4L
  • Chevrolet Blazer: 1970–1974 – L6 4.8L / V8 5.0L / 5.7L as applicable; 1989–1995 – V8 5.7L
  • Chevrolet Brookwood: 1970 – V8 7.4L
  • Chevrolet C10: 1980–1986 – V8 5.0L, 5.7L
  • Chevrolet C10 Pickup: 1970–1974 – L6 4.8L, V8 5.0L, 5.7L
  • Chevrolet C10 Suburban: 1970–1974 – L6 4.8L, V8 5.0L, 5.7L; 1980–1986 – V8 5.0L, 5.7L
  • Chevrolet C1500: 1988–1995 – V6 4.3L, V8 5.0L, 5.7L, 7.4L as applicable
  • Chevrolet C1500 Suburban: 1992–1995 – V8 5.7L
  • Chevrolet C20: 1980–1986 – V8 5.0L, 5.7L
  • Chevrolet C20 Pickup: 1970–1974 – L6 4.8L, V8 5.0L, 5.7L
  • Chevrolet C20 Suburban: 1970–1974 – L6 4.8L, V8 5.0L, 5.7L; 1980–1986 – V8 5.0L, 5.7L
  • Chevrolet C2500: 1988–1995 – V6 4.3L, V8 5.0L, 5.7L, 7.4L
  • Chevrolet C2500 Suburban: 1992–1995 – V8 5.7L, 7.4L
  • Chevrolet C30: 1980–1984 – V8 5.7L
  • Chevrolet C30 Pickup: 1970–1974 – L6 4.8L, V8 5.0L, 5.7L
  • Chevrolet C3500: 1988–1995 – V8 5.7L, 7.4L
  • Chevrolet Camaro: 1985 – V8 5.0L; 1993–1995 – V6 3.4L
  • Chevrolet Caprice: 1970 – V8 7.4L; 1985–1986 – V8 5.7L; 1993 – V6 4.3L, V8 5.7L
  • Chevrolet Celebrity: 1985 – V6 2.8L CARB
  • Chevrolet Chevelle: 1970–1971 – V8 7.4L
  • Chevrolet Chevette: 1976 – L4 1.4L
  • Chevrolet Citation: 1980 – V6 2.8L
  • Chevrolet Citation II: 1985 – V6 2.8L CARB
  • Chevrolet Commercial Chassis: 1993
  • Chevrolet Corvette: 1970 – V8 7.4L; 1972 – V8 5.7L
  • Chevrolet El Camino: 1971 – V8 5.7L; 1983 – V8 5.0L
  • Chevrolet Estate: 1970 – V8 7.4L
  • Chevrolet Express 2500: 1996 – V8 5.0L
  • Chevrolet G10: 1980–1995 – V6 4.3L, V8 5.0L, 5.7L
  • Chevrolet G10 Van: 1971 – V8 5.0L, 5.7L
  • Chevrolet G20: 1980–1995 – V6 4.3L, V8 5.0L, 5.7L
  • Chevrolet G20 Van: 1971–1974 – L6 4.8L, V8 5.0L, 5.7L
  • Chevrolet G30: 1980–1996 – V6 4.3L, V8 5.7L, 7.4L
  • Chevrolet G30 Van: 1971–1974 – L6 4.8L, V8 5.7L
  • Chevrolet Impala: 1970 – V8 7.4L; 1985 – V8 5.7L
  • Chevrolet K10: 1980–1986 – V8 5.0L, 5.7L
  • Chevrolet K10 Pickup: 1970–1974 – L6 4.8L, V8 5.0L, 5.7L
  • Chevrolet K10 Suburban: 1970–1971 – L6 4.8L, V8 5.0L, 5.7L; 1980–1986 – V8 5.0L, 5.7L
  • Chevrolet K1500: 1988–1995 – V6 4.3L, V8 5.0L, 5.7L
  • Chevrolet K1500 Suburban: 1992–1995 – V8 5.7L
  • Chevrolet K20: 1980–1986 – V8 5.0L, 5.7L
  • Chevrolet K20 Pickup: 1970–1974 – L6 4.8L, V8 5.0L, 5.7L
  • Chevrolet K20 Suburban: 1970–1974 – L6 4.8L, V8 5.0L, 5.7L; 1980–1986 – V8 5.0L, 5.7L
  • Chevrolet K2500: 1988–1995 – V6 4.3L, V8 5.0L, 5.7L, 7.4L
  • Chevrolet K2500 Suburban: 1992–1995 – V8 5.7L, 7.4L
  • Chevrolet K30: 1980–1985 – V8 5.7L
  • Chevrolet K30 Pickup: 1970–1974 – L6 4.8L, V8 5.0L, 5.7L
  • Chevrolet K3500: 1988–1995 – V8 5.7L, 7.4L
  • Chevrolet K5 Blazer: 1981–1984 – V8 5.0L
  • Chevrolet Kingswood: 1970 – V8 7.4L
  • Chevrolet Lumina APV: 1990–1995 – V6 3.1L
  • Chevrolet Malibu: 1980 – V8 5.7L; 1983 – V8 5.0L
  • Chevrolet Monte Carlo: 1970–1971 – V8 7.4L; 1983, 1985 – V8 5.0L
  • Chevrolet Monza: 1976–1977 – L4 2.3L
  • Chevrolet Nova: 1970 – V8 6.5L, 7.4L; 1971 – V8 5.7L, 7.4L
  • Chevrolet P20: 1980–1989 – V8 5.7L
  • Chevrolet P20 Van: 1970–1974 – L6 4.8L, V8 5.7L, 7.4L
  • Chevrolet P30: 1980–1998 – V6 4.3L, V8 5.7L, 7.4L
  • Chevrolet P30 Van: 1970–1974 – L6 4.8L, V8 5.7L, 7.4L
  • Chevrolet R10: 1987 – V8 5.7L
  • Chevrolet R10 Suburban: 1987–1988 – V8 5.7L
  • Chevrolet R1500 Suburban: 1989–1991 – V8 5.7L
  • Chevrolet R20: 1987–1988 – V8 5.7L
  • Chevrolet R20 Suburban: 1987–1988 – V8 5.7L
  • Chevrolet R2500: 1989 – V8 5.7L, 7.4L
  • Chevrolet R2500 Suburban: 1989–1991 – V8 5.7L, 7.4L
  • Chevrolet R30: 1987–1988 – V8 5.7L
  • Chevrolet R3500: 1989–1991 – V8 5.7L, 7.4L
  • Chevrolet S10: 1989–1995 – V6 2.8L, 4.3L
  • Chevrolet S10 Blazer: 1989–1994 – V6 2.8L, 4.3L
  • Chevrolet Tahoe: 1995 – V8 5.7L
  • Chevrolet Townsman: 1970 – V8 7.4L
  • Chevrolet V1500 Suburban: 1989–1991 – V8 5.7L
  • Chevrolet V2500 Suburban: 1989–1991 – V8 5.7L, 7.4L
  • Chevrolet V3500: 1989–1991 – V8 5.7L, 7.4L
  • Chevrolet Vega: 1976 – L4 2.3L
  • DeTomaso Pantera: 1971–1974, 1981–1989
  • Dodge B100: 1977–1980 – L6 3.7L
  • Dodge B150: 1981 – L6 3.7L
  • Dodge B200: 1977–1980 – L6 3.7L
  • Dodge B250: 1981 – L6 3.7L
  • Dodge B300: 1977–1980 – L6 3.7L
  • Dodge CB300: 1977–1979 – L6 3.7L
  • Dodge D100: 1977–1979 – L6 3.7L
  • Dodge D150: 1977–1981 – L6 3.7L
  • Dodge D200: 1977–1980 – L6 3.7L
  • Dodge D250: 1981 – L6 3.7L
  • Dodge D300: 1977–1978 – L6 3.7L
  • Dodge Ramcharger: 1977–1980 – L6 3.7L
  • Dodge W100: 1977 – L6 3.7L
  • Dodge W150: 1978–1981 – L6 3.7L
  • Dodge W200: 1977–1980 – L6 3.7L
  • Dodge W300: 1977–1978 – L6 3.7L
  • GMC C15/C1500 Pickup: 1970–1974 – L6 4.8L, V8 5.0L, 5.7L
  • GMC C15/C1500 Suburban: 1970–1974 – L6 4.8L, V8 5.0L, 5.7L
  • GMC C1500: 1980–1995 – V6 4.3L, V8 5.0L, 5.7L
  • GMC C1500 Suburban: 1980–1986 – V8 5.0L, 5.7L; 1992–1995 – V8 5.7L
  • GMC C25/C2500 Pickup: 1970–1974 – L6 4.8L, V8 5.0L, 5.7L
  • GMC C25/C2500 Suburban: 1970–1974 – L6 4.8L, V8 5.0L, 5.7L
  • GMC C2500: 1980–1995 – V6 4.3L, V8 5.0L, 5.7L, 7.4L
  • GMC C2500 Suburban: 1980–1986 – V8 5.0L, 5.7L; 1992–1995 – V8 5.7L, 7.4L
  • GMC C35/C3500 Pickup: 1970–1974 – L6 4.8L, V8 5.0L, 5.7L
  • GMC C3500: 1980–1995 – V8 5.7L, 7.4L
  • GMC Caballero: 1983 – V8 5.0L
  • GMC G15/G1500 Van: 1971 – V8 5.0L, 5.7L
  • GMC G1500: 1980–1995 – V6 4.3L, V8 5.0L, 5.7L
  • GMC G25/G2500 Van: 1971 – V8 5.0L, 5.7L; 1974 – L6 4.8L
  • GMC G2500: 1980–1995 – V6 4.3L, V8 5.0L, 5.7L
  • GMC G35/G3500 Van: 1971 – V8 5.0L, 5.7L; 1974 – L6 4.8L
  • GMC G3500: 1980–1996 – V6 4.3L, V8 5.7L, 7.4L
  • GMC Jimmy: 1970–1974 – L6 4.8L, V8 5.0L, 5.7L; 1982–1984 – V8 5.0L; 1989–1995 – V8 5.7L
  • GMC K15/K1500 Pickup: 1970–1974 – L6 4.8L, V8 5.0L, 5.7L
  • GMC K15/K1500 Suburban: 1970–1971 – L6 4.8L, V8 5.0L, 5.7L
  • GMC K1500: 1980–1995 – V6 4.3L, V8 5.0L, 5.7L
  • GMC K1500 Suburban: 1980–1986 – V8 5.0L, 5.7L; 1992–1995 – V8 5.7L
  • GMC K25/K2500 Pickup: 1970–1974 – L6 4.8L, V8 5.0L, 5.7L
  • GMC K25/K2500 Suburban: 1970–1974 – L6 4.8L, V8 5.0L, 5.7L
  • GMC K2500: 1980–1995 – V6 4.3L, V8 5.0L, 5.7L, 7.4L
  • GMC K2500 Suburban: 1980–1986 – V8 5.7L; 1992–1995 – V8 5.7L, 7.4L
  • GMC K35/K3500 Pickup: 1970–1974 – L6 4.8L, V8 5.0L, 5.7L
  • GMC K3500: 1980–1995 – V8 5.7L, 7.4L
  • GMC P15/P1500 Van: 1971 – V8 5.0L
  • GMC P25/P2500 Van: 1970–1974 – L6 4.8L, V8 5.0L, 5.7L, 7.4L
  • GMC P2500: 1980–1989 – V8 5.7L
  • GMC P35/P3500 Van: 1970–1974 – L6 4.8L, V8 5.0L, 5.7L, 7.4L
  • GMC P3500: 1980–1998 – V6 4.3L, V8 5.7L, 7.4L
  • GMC R1500: 1987 – V8 5.7L
  • GMC R1500 Suburban: 1987–1991 – V8 5.7L
  • GMC R2500: 1987–1989 – V8 5.7L, 7.4L
  • GMC R2500 Suburban: 1987–1991 – V8 5.7L, 7.4L
  • GMC R3500: 1987–1991 – V8 5.7L, 7.4L
  • GMC S15: 1989–1990 – V6 2.8L, 4.3L
  • GMC S15 Jimmy: 1989–1991 – V6 2.8L, 4.3L
  • GMC Safari: 1989–1995 – V6 4.3L
  • GMC Sonoma: 1991–1995 – V6 2.8L, 4.3L
  • GMC Sprint: 1971 – V8 5.7L
  • GMC V1500 Suburban: 1989–1991 – V8 5.7L
  • GMC V2500 Suburban: 1989–1991 – V8 5.7L
  • GMC V3500: 1989–1991 – V8 5.7L, 7.4L
  • GMC Yukon: 1992–1995 – V8 5.7L
  • Oldsmobile Bravada: 1992–1994
  • Oldsmobile Omega: 1980 – V6 2.8L
  • Oldsmobile Silhouette: 1993–1994 – V6 3.1L
  • Plymouth PB100: 1978–1980 – L6 3.7L
  • Plymouth PB150: 1981 – L6 3.7L
  • Plymouth PB200: 1978, 1980 – L6 3.7L
  • Plymouth PB250: 1981 – L6 3.7L
  • Plymouth Trailduster: 1978–1980 – L6 3.7L
  • Pontiac Astre: 1976
  • Pontiac Firebird: 1985 – V8 5.0L; 1993–1995 – V6 3.4L
  • Pontiac Phoenix: 1980 – V6 2.8L
  • Pontiac Sunbird: 1976–1977 – L4 2.3L
  • Pontiac Trans Sport: 1993–1995 – V6 3.1L
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All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.

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Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.

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If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.

Returns

Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.

Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.

Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.

Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).

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