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Autolite AP66

Platinum Spark Plug

Autolite AP66
Autolite Rebate® Spark Plug Rebate
Expires on December 31, 2017

Purchase select Autolite Spark Plugs and get up to $3 per plug rebate!

View All Autolite Spark Plugs

417-AP66

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$4.37
$1.88
ON SALE - $2.49 OFF
Autolite AP66 Platinum Spark Plug $1.88
Platinum Spark Plug

Specifications:

Center Electrode Core Material
Platinum
Center Electrode Tip Material
Platinum
Insulator Material
Ceramic
Center Electrode Design
Standard / Regular
Thread Size
14mm X 1.25
Seat Style
Gasket
Ground Electrode Tip Material
Platinum
Insulator Type
Mid Projection
Resistor
Resistor
Gap- Factory Preset
.034"/0.9mm
Reach (in)
3/4"
Drive Size
13/16" (21mm)
Manufacturer's Part Number:
AP66

Autolite Platinum Spark Plugs give your engine the long lasting performance and fuel economy it deserves. Autolite Platinum Plugs feature a platinum ball design you get a long lasting spark plug that won't allow the gap to burn open like some other brands. The larger the gap is on your plugs the harder your ignition system has to work to maintain performance.

The perfect match for both your stock daily driver or your high performance street machine Autolite Platinum Plugs come in multiple heat ranges to match your engine to give it the power and efficiency you are looking for.

Features
  • OE Approved
  • Platinum ball on center electrode minimizes gap erosion for longer life and resists wear to help maintain gap size
  • Proprietary Platinum Ball Welding Process provides consistent point of contact for better adhesion
  • Optimizes engine performance with greater fuel economy


    Spark Plug Heat Ranges & Sizing

  • Does Autolite AP66 fit your vehicle?

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    Liter

    1961-1962 AMERICAN MOTORS CLASSIC

    • CC: 4097
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: V8 ( 4.1 L / 250 )

    1964-1965 PONTIAC TEMPEST

    • CC: 3524
    • Liter: 3.5
    • SubModel: SAFARI
    • CUI: 215
    • EngineType: L6 ( 3.5 L / 215 )

    1968 AMERICAN MOTORS AMERICAN

    • CC: 5585
    • Liter: 5.6
    • SubModel: BASE
    • CUI: 343
    • EngineType: V8 ( 5.6 L / 343 )

    1968 AMERICAN MOTORS AMERICAN

    • CC: 3802
    • Liter: 3.8
    • SubModel: ROGUE
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1985-1987 BMW 735I

    • EngineType: ALL
    • SubModel: ALL

    1968 DODGE CORONET

    • CC: 3687
    • Liter: 3.7
    • SubModel: DELUXE
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1969-1970 INTERNATIONAL 1300D

    • EngineType: L6 ( 3.8 L / 232 )
    • SubModel: BASE

    1971 AMERICAN MOTORS HORNET

    • CC: 5900
    • Liter: 5.9
    • SubModel: SC/360
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1968 CHEVROLET CHEVELLE

    • CC: 4098
    • Liter: 4.1
    • SubModel: 300
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1968 PLYMOUTH FURY

    • CC: 5212
    • Liter: 5.2
    • SubModel: SPORT
    • CUI: 318
    • EngineType: V8 ( 5.2 L / 318 )

    1970 DODGE CORONET

    • CC: 5212
    • Liter: 5.2
    • SubModel: BASE
    • CUI: 318
    • EngineType: V8 ( 5.2 L / 318 )

    1967-1968 CHECKER MARATHON

    • CC: 3769
    • Liter: 3.8
    • SubModel: TOWN CUSTOM
    • CUI: 230
    • EngineType: L6 ( 3.8 L / 230 )

    1964 JEEP J-220

    • CC: 3770
    • Liter: 3.8
    • SubModel: BASE
    • CUI: 230
    • EngineType: L6 ( 3.8 L / 230 )

    1975 PLYMOUTH GRAN FURY

    • Liter: 5.2
    • SubModel: CUSTOM
    • CUI: 318
    • EngineType: V8 ( 5.2 L / 318 )

    1962-1967 CHEVROLET CHEVY II

    • CC: 3180
    • Liter: 3.2
    • SubModel: NOVA
    • CUI: 194
    • EngineType: L6 ( 3.2 L / 194 )

    1969 AMERICAN MOTORS RAMBLER

    • CC: 3261
    • Liter: 3.3
    • SubModel: 440
    • CUI: 199
    • EngineType: L6 ( 3.3 L / 199 )

    1969 AMERICAN MOTORS REBEL

    • Liter: 4.8
    • SubModel: SST
    • CUI: 290
    • EngineType: V8 ( 4.8 L / 290 )

    1971 DODGE DART

    • CC: 3254
    • Liter: 3.2
    • SubModel: CUSTOM
    • CUI: 198
    • EngineType: L6 ( 3.2 L / 198 )

    1968 DODGE CORONET

    • CC: 4473
    • Liter: 4.5
    • SubModel: 500
    • CUI: 273
    • EngineType: V8 ( 4.5 L / 273 )

    1968 AMERICAN MOTORS REBEL

    • CC: 4753
    • Liter: 4.7
    • SubModel: 550
    • CUI: 290
    • EngineType: V8 ( 4.7 L / 290 )

    1967 CHEVROLET CHEVELLE

    • Liter: 3.8
    • SubModel: DELUXE
    • CUI: 230
    • EngineType: L6 ( 3.8 L / 230 )

    1965-1967 DODGE DART

    • CC: 3687
    • Liter: 3.7
    • SubModel: GT
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1960-1961 PLYMOUTH SUBURBAN

    • CC: 3687
    • Liter: 3.7
    • SubModel: BASE
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1969-1973 PLYMOUTH BARRACUDA

    • CC: 5212
    • Liter: 5.2
    • SubModel: BASE
    • CUI: 318
    • EngineType: V8 ( 5.2 L / 318 )

    1966 PLYMOUTH FURY

    • CC: 3687
    • Liter: 3.7
    • SubModel: BASE
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1972-1973 DODGE B300 VAN

    • Liter: 5.9
    • SubModel: SPORTSMAN
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1960-1961 PLYMOUTH SAVOY

    • CC: 3687
    • Liter: 3.7
    • SubModel: DELUXE
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1967 PLYMOUTH FURY

    • Liter: 5.2
    • SubModel: SPORT
    • CUI: 318
    • EngineType: V8 ( 5.2 L / 318 )

    1971-1973 DODGE CORONET

    • CC: 5212
    • Liter: 5.2
    • SubModel: BASE
    • CUI: 318
    • EngineType: V8 ( 5.2 L / 318 )

    1955-1956 CHRYSLER WINDSOR

    • EngineType: ALL
    • SubModel: ALL

    1972-1973 PLYMOUTH SATELLITE

    • CC: 5899
    • Liter: 5.9
    • SubModel: CUSTOM
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1971-1977 AMERICAN MOTORS MATADOR

    • EngineType: ALL
    • SubModel: ALL

    1963-1964 DODGE 440

    • CC: 3687
    • Liter: 3.7
    • SubModel: BASE
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1972-1974 PLYMOUTH FURY II

    • CC: 3687
    • Liter: 3.7
    • SubModel: BASE
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1960-1963 CHECKER SUPERBA

    • EngineType: ALL
    • SubModel: ALL

    1970-1971 PLYMOUTH BARRACUDA

    • CC: 3254
    • Liter: 3.2
    • SubModel: BASE
    • CUI: 198
    • EngineType: L6 ( 3.2 L / 198 )

    1967-1968 CHEVROLET CHEVY II

    • CC: 4098
    • Liter: 4.1
    • SubModel: NOVA
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1969-1971 DODGE CHARGER

    • CC: 5212
    • Liter: 5.2
    • SubModel: 500
    • CUI: 318
    • EngineType: V8 ( 5.2 L / 318 )

    1969 AMERICAN MOTORS RAMBLER

    • CC: 5585
    • Liter: 5.6
    • SubModel: ROGUE
    • CUI: 343
    • EngineType: V8 ( 5.6 L / 343 )

    1990 PONTIAC SUNBIRD

    • EngineType: ALL
    • SubModel: ALL

    1967 DODGE DART

    • CC: 3687
    • Liter: 3.7
    • SubModel: 270
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1965 JEEP J-3700

    • CC: 3802
    • Liter: 3.8
    • SubModel: BASE
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1973 DODGE CORONET

    • CC: 5900
    • Liter: 5.9
    • SubModel: BASE
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1967 CHEVROLET CHEVY II

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1964 DODGE POLARA

    • CC: 2786
    • Liter: 2.8
    • SubModel: BASE
    • CUI: 170
    • EngineType: L6 ( 2.8 L / 170 )

    1970 PLYMOUTH SATELLITE

    • CC: 3687
    • Liter: 3.7
    • SubModel: BASE
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1967-1969 CHEVROLET CAPRICE

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1969 AMERICAN MOTORS REBEL

    • CC: 3802
    • Liter: 3.8
    • SubModel: SST
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1968 PLYMOUTH VALIANT

    • CC: 4473
    • Liter: 4.5
    • SubModel: 100
    • CUI: 273
    • EngineType: V8 ( 4.5 L / 273 )

    1964 JEEP J-310

    • Liter: 3.8
    • SubModel: BASE
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1961 AMERICAN MOTORS CLASSIC

    • CC: 4097
    • Liter: 4.1
    • SubModel: SUPER
    • CUI: 250
    • EngineType: V8 ( 4.1 L / 250 )

    1968 PLYMOUTH BELVEDERE

    • CC: 5212
    • Liter: 5.2
    • SubModel: SATELLITE
    • CUI: 318
    • EngineType: V8 ( 5.2 L / 318 )

    1973 CADILLAC FLEETWOOD

    • EngineType: ALL
    • SubModel: 60 SPECIAL BROUGHAM

    1971 PLYMOUTH FURY

    • CC: 3687
    • Liter: 3.7
    • SubModel: CUSTOM
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1971 DODGE DART

    • CC: 5212
    • Liter: 5.2
    • SubModel: DEMON
    • CUI: 318
    • EngineType: V8 ( 5.2 L / 318 )

    1964-1966 PONTIAC BEAUMONT

    • CC: 3180
    • Liter: 3.2
    • SubModel: BASE
    • CUI: 194
    • EngineType: L6 ( 3.2 L / 194 )

    1967-1974 LAND ROVER LAND ROVER

    • CC: 2286
    • Liter: 2.3
    • SubModel: BASE
    • CUI: 140
    • EngineType: L4 ( 2.3 L / 140 )

    1966-1969 DODGE POLARA

    • CC: 3687
    • Liter: 3.7
    • SubModel: BASE
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1965-1969 CHEVROLET BEL AIR

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1969 DODGE DART

    • CC: 5212
    • Liter: 5.2
    • SubModel: GT
    • CUI: 318
    • EngineType: V8 ( 5.2 L / 318 )

    1955 CHRYSLER NEW YORKER

    • EngineType: ALL
    • SubModel: ALL

    1969 AMERICAN MOTORS AMBASSADOR

    • CC: 4753
    • Liter: 4.7
    • SubModel: SST
    • CUI: 290
    • EngineType: V8 ( 4.7 L / 290 )

    1971-1974 PLYMOUTH SATELLITE

    • CC: 5212
    • Liter: 5.2
    • SubModel: CUSTOM
    • CUI: 318
    • EngineType: V8 ( 5.2 L / 318 )

    1968 DODGE DART

    • CC: 5212
    • Liter: 5.2
    • SubModel: GTS
    • CUI: 318
    • EngineType: V8 ( 5.2 L / 318 )

    1977 AMERICAN MOTORS GREMLIN

    • CC: 3802
    • Liter: 3.8
    • SubModel: BASE
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1968 DODGE POLARA

    • CC: 5212
    • Liter: 5.2
    • SubModel: 500
    • CUI: 318
    • EngineType: V8 ( 5.2 L / 318 )

    1960 DODGE DART

    • CC: 2786
    • Liter: 2.8
    • SubModel: BASE
    • CUI: 170
    • EngineType: L6 ( 2.8 L / 170 )

    1969-1971 DODGE DART

    • CC: 2786
    • Liter: 2.8
    • SubModel: CUSTOM
    • CUI: 170
    • EngineType: L6 ( 2.8 L / 170 )

    1967-1969 PONTIAC BEAUMONT

    • CC: 4097
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1968 AMERICAN MOTORS REBEL

    • CC: 3802
    • Liter: 3.8
    • SubModel: 550
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1987 BMW L6

    • EngineType: ALL
    • SubModel: ALL

    1987-1989 MERCEDES-BENZ 560SL

    • EngineType: ALL
    • SubModel: ALL

    1968-1969 AMERICAN MOTORS JAVELIN

    • CC: 3802
    • Liter: 3.8
    • SubModel: SST
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1969 AMERICAN MOTORS REBEL

    • Liter: 5.6
    • SubModel: SST
    • CUI: 343
    • EngineType: V8 ( 5.6 L / 343 )

    1970-1971 PLYMOUTH VALIANT

    • CC: 3687
    • Liter: 3.7
    • SubModel: BASE
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1971 DODGE POLARA

    • CC: 5900
    • Liter: 5.9
    • SubModel: CUSTOM
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1971 DODGE DART

    • CC: 3687
    • Liter: 3.7
    • SubModel: CUSTOM
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1964-1969 CHEVROLET CHEVELLE

    • CC: 3769
    • Liter: 3.8
    • SubModel: SS
    • CUI: 230
    • EngineType: L6 ( 3.8 L / 230 )

    1969 AMERICAN MOTORS AMBASSADOR

    • CC: 5585
    • Liter: 5.6
    • SubModel: SST
    • CUI: 343
    • EngineType: V8 ( 5.6 L / 343 )

    1969 AMERICAN MOTORS RAMBLER

    • CC: 4753
    • Liter: 4.7
    • SubModel: BASE
    • CUI: 290
    • EngineType: V8 ( 4.7 L / 290 )

    1966-1967 PLYMOUTH SATELLITE

    • CC: 3687
    • Liter: 3.7
    • SubModel: BASE
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1973 PLYMOUTH CUDA

    • CC: 5212
    • Liter: 5.2
    • SubModel: BASE
    • CUI: 318
    • EngineType: V8 ( 5.2 L / 318 )

    1972-1974 PLYMOUTH SATELLITE

    • CC: 3687
    • Liter: 3.7
    • SubModel: BASE
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1960-1968 DODGE DART

    • CC: 3687
    • Liter: 3.7
    • SubModel: BASE
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1974 PLYMOUTH VALIANT

    • CC: 3254
    • Liter: 3.2
    • SubModel: BROUGHAM
    • CUI: 198
    • EngineType: L6 ( 3.2 L / 198 )

    1968 AMERICAN MOTORS AMERICAN

    • CC: 4753
    • Liter: 4.7
    • SubModel: ROGUE
    • CUI: 290
    • EngineType: V8 ( 4.7 L / 290 )

    1967 DODGE CHARGER

    • CC: 5212
    • Liter: 5.2
    • SubModel: R/T
    • CUI: 318
    • EngineType: V8 ( 5.2 L / 318 )

    1965-1966 AMERICAN MOTORS MARLIN

    • CC: 3802
    • Liter: 3.8
    • SubModel: BASE
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1984-1985 MERCEDES-BENZ 500SEL

    • EngineType: ALL
    • SubModel: ALL

    1970 AMERICAN MOTORS REBEL

    • CC: 4983
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 304
    • EngineType: V8 ( 5.0 L / 304 )

    1961 DODGE LANCER

    • CC: 2786
    • Liter: 2.8
    • SubModel: BASE
    • CUI: 170
    • EngineType: L6 ( 2.8 L / 170 )

    1969 DODGE DART

    • CC: 5212
    • Liter: 5.2
    • SubModel: GTS
    • CUI: 318
    • EngineType: V8 ( 5.2 L / 318 )

    1968 AMERICAN MOTORS AMERICAN

    • CC: 4753
    • Liter: 4.7
    • SubModel: 440
    • CUI: 290
    • EngineType: V8 ( 4.7 L / 290 )

    1968-1969 AMERICAN MOTORS JAVELIN

    • CC: 4753
    • Liter: 4.7
    • SubModel: BASE
    • CUI: 290
    • EngineType: V8 ( 4.7 L / 290 )

    1968 DODGE DART

    • CC: 5212
    • Liter: 5.2
    • SubModel: BASE
    • CUI: 318
    • EngineType: V8 ( 5.2 L / 318 )

    1965 JEEP J-3600

    • CC: 3802
    • Liter: 3.8
    • SubModel: BASE
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1973-1974 AMERICAN MOTORS JAVELIN

    • EngineType: ALL
    • SubModel: ALL

    1967 DODGE CORONET

    • CC: 3687
    • Liter: 3.7
    • SubModel: BASE
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1970 AMERICAN MOTORS REBEL

    • EngineType: ALL
    • SubModel: SST

    1971 DODGE DART

    • CC: 3687
    • Liter: 3.7
    • SubModel: SWINGER
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

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