Champion 509 D9 Gray Marine Super 427 7.0L 18mm Nickel Copper Alloy Industrial Agricultural Spark Plug

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  • Regular price $6.95
  • Will be in stock after


  • 18mm Nickel Copper Alloy Industrial Agricultural Spark Plug for Gray Marine Super 427 7.0L 
  • Designed for High Compression and Aggressive Environments
  • Superior Performance and Long Lasting Durability
  • Seat Type: Flat
  • Hex Size : 0.875 in.
  • Hex Size : 22.230mm
  • Hex Type: Hex
  • Thread Diameter: 0.709 in.
  • Thread Diameter: 18mm
  • Reach: 0.5 in.
  • Pre-Gap Size: 0.025 in.
  • Pre-Gap Size: 0.64mm
  • Center Electrode Tip Material: Nickel
  • Ground Electrode Core Material: Nickel
  • Ground Electrode Quantity: 1
  • Classification: Champion Agricultural Plugs
  • Resistor Type: No
  • Manufacturer Heat Range: 9
  • Electrical Terminal Type: Removable Nut
  • Center Electrode Diameter: 0.124 in.
  • Ground Electrode Material: Nickel Copper Alloy
  • Installed Height: 2.25 in.
  • Taper Diameter: 0.31 in.
  • For use with:
  • Marine
    • Turbo-Marine Base 0.3L L2 338cc/20.626cid
    • Gray Marine Six 112
    • Gray Marine Six 77
    • Gray Marine Six 103
    • Gray Marine Super 117
    • Gray Marine Six 186
    • Gray Marine Six 90
    • Gray Marine Six 160
    • Gray Marine Six 121
    • Johnson Base
    • Gray Marine 162 2.7L L4 2654.7cc/162cid
    • Gray Marine 150 L6
    • Gray Marine Four 140
    • Gray Marine Six 116
    • Evinrude Base
    • Gray Marine Six 10
    • Gray Marine Super 427 7.0L L6 6997.28cc/427cid
    • Gray Marine Super 330
    • Gray Marine Six 71
    • Gray Marine Six 140
    • Gray Marine Six 88
    • Gray Marine Six 125
    • Gray Marine Four 62
  • Small Engine
    • Cushman Base
    • Winco Base 
    • Sachs Base
    • Construction Machinery Co. 10LS
    • Kohler 50KW
    • Kohler 100kW
    • Construction Machinery Co. W3D/206
    • Construction Machinery Co. W3S/206
    • Coronada Base
    • Construction Machinery Co. 15DAL/20 
    • Haka Boy Base
  • Passenger Car and Light Truck
    • BMW 315 1934-1937
    • Chrysler Series 6 1931-193 
    • Goggomobil T30 1955-1957
    • Goggomobil T300 1958-1958
    • Goggomobil T400 1958-1961
    • Goggomobil S300 1955-1957
    • Goggomobil TS300 1958-1958
    • Goggomobil TS400 1958-1959
    • Goliath GP700 1950-1954
    • Goliath GP700 1955-1956
    • Goliath GP900 1955-1956
    • Messerschmitt KR175 1955-1955
    • Messerschmitt KR200 1955-1964
    • Nash Advanced 1929-1929
    • Nash Series 480 1930-1930
    • Nash Series 890 1931-1931
    • Nash Series 990 1932-1932
    • Nash Series 990 1932-1932
    • Nash Special 1929-1929
    • Saab 93 1956-1957
    • Saab 93B 1958-1959
    • Saab 93F 1960-1960
    • Saab 95 1959-1968
    • Saab 96 1961-1968
    • Saab 96 1966-1966
    • Saab 96 GT 1961-1965
    • Saab 96 Sport 1961-1965
    • Vespa 400 1961-1961
    • Vespa 400 1958-1960
    • Wartburg 1000 1963-1966
    • Wartburg 311 1956-1958
    • Wartburg Wartburg 1959-1962
  • Powersport
    • Moto-Ski Capri 292 (193R Hirth) 1971-1971
    • Moto-Ski Capri 292 (L295 JLO) 1971-1971
    • Moto-Ski Capri 297 JLO 1969-1969 
    • Moto-Ski Capri 338 (193R Hirth) 1971-1971
    • Moto-Ski Capri 760 JLO 1969-1969
    • Moto-Ski MS-18 372 JLO 1970-1970
    • Moto-Ski Zephyr 297 JLO 1968-1969 
    • Ski-Doo Alpine 640 1969-1969
    • Ski-Doo Alpine 640ER 1971-1971
    • Ski-Doo Alpine 640ER 1972-1972
    • Ski-Doo Chalet 1965-1967 
    • Ski-Doo Everest 440 1974-1979
    • Ski-Doo Everest 440E 1976-1979
    • Ski-Doo Nordic 640E 1970-1971
    • Ski-Doo Nordic 640ER 1972-1972
    • Ski-Doo Olympique 1965-1968
    • Ski-Doo Olympique 320 1969-1969
    • Ski-Doo Olympique 335 1970-1972
    • Ski-Doo Olympique 335E 1970-1972
    • Ski-Doo Skandic 335 1972-1972
    • Ski-Doo Skandic 440 LT 2001-2002
    • Ski-Doo TNT 292 1970-1972
    • Ski-Doo TNT 440 1971-1971
    • Ski-Doo TNT 440 1972-1975
    • Ski-Doo TNT 640 1970-1971
    • Ski-Doo TNT 640 1972-1972
    • Ski-Doo TNT 669 1969-1969
    • Sno-Jet Star-Jet 292 Hirth 1970-1972
  • Commercial, Industrial and Agricultural
    • Pacific Pumper MK-75
    • Minneapolis-Molinem M670 
    • S&L CranesAll Model(S) 
    • Minneapolis-Moline G1350
    • Kalamazoo All Model(S)
    • White Mobilift MSA20
    • White Mobilift MSA30
    • Silent Hoist & Crane CD
    • Bucyrus-Erie 60L
    • Pacific Pumper Y
    • Minneapolis-Moline G1050
    • International T340
    • Pacific Pumper MK-3
    • Wajax MK-25
    • White Mobilift MYA70
    • Minneapolis-Moline A4T1600
    • Tennant 8GLP/DP
    • Teledyne Base
    • Pacific Pumper U
    • Insley All Model(S)
    • Wajax MK-2
    • Minneapolis-Moline G704
    • Tennant 90LP
    • Smith Base
    • Silent Hoist & Crane FK-5
    • Pacific Pumper YB
    • S&L Cranes All Model(S)
    • Minneapolis-Moline G950
    • Wayne All Model(S)
    • Silent Hoist & Crane FK-6
    • Pacific PumperMK-2
    • Insley All Model(S)
    • Silent Hoist & Crane A
    • Minneapolis-Moline G705
    • Barnes Base
    • Quick Way S3
    • Skagit Hoists All Model(S)
    • Wajax MK-3
    • White Mobilift MYA50
    • Skagit Hoists All Model(S)
    • S&L Cranes All Model(S)
    • Quick Way S2
    • Silent Hoist & Crane AYH
    • Insley All Model(S)
    • Minneapolis-Moline G900
    • Quick Way JS
    • Silent Hoist & Crane AJ
    • Gardner-Denver Base
    • Skagit Hoists All Model(S)
    • White Mobilift MYA60
    • Gardner-Denver 6M0-779
    • Minneapolis-Moline G1355
    • Pacific Pumper Z
    • White Mobilift MSA25
    • Insley All Model(S)
    • Quick Way J2 
    • Skagit Hoists All Model(S)
    • Pacific Pumper A
    • Pacific Pumper NY
    • Athey
    • Mobiloader ML-4
    • International T-340
    • Yale All Model(S)
    • Minneapolis-Moline G1000
    • Quick Way E2
    • Silent Hoist & Crane AZH
    • Silent Hoist & Crane AXH
    • Bucyrus-Erie 60L
    • Gordon Smith 160
    • Gardner-Denver Base
    • Minneapolis-Moline U302
    • Barnes Base
    • Insley All Model(S)
    • Yale All Model(S)
    • Minneapolis-Moline G955
    • Worthington Base
    • Quick Way L2
    • Pacific Pumper N
    • Pacific Pumper MK-2M 
  • Manufacturer: Champion 
  • Model Number: D9
  • Part Number: 509 
  • Also Known As: 
    • Autolite 373
    • Bosch M8A, M8A0, M8AC0
    • Champion D9013
    • Denso M22, MW22U
    • Motorcraft B3W, B3X, B4X, BT3, BT4
    • Prestolite 183, 184
    • Stitt 82