Champion Spark Plugs | Champion Spark Plugs By Brand Application
Champion spark plug model number:
D21
Type: Standard
Gap: .025"
Other Champion part numbers:
813, C15
502
D21 cross reference numbers:
AC Delco C88
Autolite 377, 386, 45, 4093
Bosch M10ACO, M12A, M20, M30,
M45T1, M45T5, DR10BC
Denso L14-U, MA16PR-R
NGK A6, WRS, BP7HS
Motorcraft BT9
D21 spark plug application chart:
Acme Kerosene 18mm Heads
Acme Motori Kerosene 18mm Heads
Anzani (British) Super-Single
British Seagull 2 H.P.
British Seagull 3 H.P.
British Seagull 4 H.P.
British Seagull 5 H.P.
British Seagull 6 H.P.
British Seagull Century
British Seagull Century Plus
British Seagull Forty Fthwght
British Seagull Forty Minus
British Seagull Forty Plus
British Seagull Silver Century
British Seagull Silver Century Plus
Ditch Witch Wisconsin 12.5hp
Ditch Witch Wisconsin 9hp
Joy Buda H-173 18mm Heads
Joy Buda HP-205 18mm Heads
Joy Case SE 18mm Heads
Kohler 800W Briggs & Stratton For Fouling
Lauson Kerosene with 18mm Heads Kerosene
Master 18mm Heads
Master 20M
New Way All Models
Palmer-Greenwich PW27 18mm Heads
Wis-Con Total Power Wisconsin Series AGND 12.5hp
Yazoo / Kees Wisconsin AGND
Commercial & Industrial Engines
ACME Kerosene, 18mm Heads
ARROW C46, C66, C96, C106, C255
ARROW C96, C106, C255
CONTINENTAL C96, C106, C225 GASOLINE, Normal Service
HALL SCOTT 1091-G1 Intake GASOLINE,
HALL SCOTT 400-0, 300, 470, 480 Intake GASOLINE,
HALL SCOTT 6156, FE, G1, G2 Intake GASOLINE,
HALL SCOTT 6182, G1, G2, FE Intake GASOLINE,
HALL SCOTT 855, 935 Intake GASOLINE,
JOY with Buda H-173, HP-205 18mm Heads
JOY with Case SE 18mm Heads
MASTER 20M
WISCONSIN AGND
Farm Tractors & Equipment, Construction Machinery
BUCKEYE with Other Buda engines
BUCYRUS-ERIE 15B, 22B with Buda K428 Shovels
BUCYRUS-ERIE 1W with IHC UC-60 Shovels
BUCYRUS-ERIE 22B with Buda L525 Shovels
BUCYRUS-ERIE 60L with A-C HP326 Shovels
BUCYRUS-ERIE with Buda L525 Drills
CASE 200, 430, 431, 435, 440, 441, 445, 470 TRACTORS, Gasoline
CASE 530, 531, 535, 540, 541, 545, 570, 610 TRACTORS, Gasoline
CASE 730, 731, 732, 733, 734, 740, 741, 742 TRACTORS, Gasoline
CASE 743, 744, 770, 830, 831, 832, 833, 840 TRACTORS, Gasoline
CASE 841, 842, 843, 870, 910, 930, 970 TRACTORS, Gasoline
CASE D Series, LA Series 18mm TRACTORS, Gasoline
CASE V Series 18mm TRACTORS, Gasoline
COCKSHUTT 550, 770, 1550 TRACTORS, Normal Service
HAHN Hi-Boy H-300
INTERNATIONAL 2756, 2806, 2856, 3616, 3800, 3850 WHEEL TRACTORS, Gasoline
INTERNATIONAL 560, 606, 656, 660, 706, 756, 766 WHEEL TRACTORS, Gasoline
INTERNATIONAL 806, 826, 856, 2606, 2656, 2707 WHEEL TRACTORS, Gasoline
INTERNATIONAL I-666, I-666 Hydro, Hydro 70 WHEEL TRACTORS, Gasoline
INTERNATIONAL I-686, I-686 Hydro, Hydro 86 WHEEL TRACTORS, Gasoline
INTERNATIONAL LPG Models WHEEL TRACTORS, LPG
INTERNATIONAL T-340A, I-500, I-600 CRAWLER TRACTORS, Gasoline
INTERNATIONAL T-4, T-5, T-340 CRAWLER TRACTORS, Gasoline
INTERNATIONAL HARVESTER Crawler Tractors (Light Service)
JOHN DEERE 50, 60, 70, 520, 530 TRACTORS, LPG
JOHN DEERE 520, 530, 620, 630, 720, 730 TRACTORS, Gasoline 18mm Heads
JOHN DEERE 620, 630, 720, 730 TRACTORS, LPG
JOHN DEERE A, AR-AO, B, G, H, 50, 60, 70 TRACTORS, Gasoline 18mm Heads
JOHN DEERE R Series TRACTORS, Cranking Engines
MASSEY-FERGUSON F40, 44, 55, 333, 444, 555 TRACTORS
MASSEY-FERGUSON MF135 Deluxe & Vineyard with Cont. engines TRACTORS
MASSEY-FERGUSON MF135 Special with Cont. Z134 TRACTORS
MASSEY-FERGUSON MF165 with Cont. G-176 TRACTORS
MASSEY-FERGUSON MF175-180 with Cont. G-206 TRACTORS
MASSEY-FERGUSON MF2135 with Cont. Z134 TRACTORS
MASSEY-FERGUSON MF50, MF65, MF85, MF88, MF90 TRACTORS
MASSEY-FERGUSON TE20, TO35, F35, MF35 TRACTORS
MASSEY-FERGUSON TO20, TO30, 203, 101 Jr., 102 Jr. TRACTORS
MASSEY-HARRIS 11 Pony, 16 Pacer, 21 Colt, 22, 22K TRACTORS
MASSEY-HARRIS 23, 23K, 30, 30K, 33 TRACTORS
MINNEAPOLIS-MOLINE Jet Star Series TRACTORS, Gasoline 18mm Heads
MINNEAPOLIS-MOLINE Series G, U, Z TRACTORS, Gasoline 18mm Heads
OLIVER 60KD, 66KD, 70KD, 77KD, 70, 77 WHEEL TRACTORS, Gasoline 18mm Heads
OLIVER 770, 880, 950, 1550, 1555 WHEEL TRACTORS, Gasoline 18mm Heads
OLIVER 88, 88KD, 166, 177, 188, 199 WHEEL TRACTORS, Gasoline 18mm Heads
OLIVER 99 with 6-Cyl., 440, 550, 660 WHEEL TRACTORS, Gasoline 18mm Heads
OLIVER AG-6 CRAWLER TRACTORS, Gasoline 18mm Heads
OLIVER HC Mdls. 55, 60, 66 WHEEL TRACTORS, Gasoline 18mm Heads
OLIVER Super 77, 88, 770, 880, 1550 WHEEL TRACTORS, LPG
PAYLOADER (See Hough) with IHC G-301 (Light Service)
POW-R-LINE T-100
POWER CURBER with Wisc. AGND Curbers
QUICK WAY with IHC U-4 Shovels
TORO Model ME, Series 5 with Cont. F-227
Generators
KOHLER 800W w/B&S Engs. (For Fouling)
MASTER 18mm Heads
Inboard Marine
PALMER-GREENWICH PW27 (18mm Heads)
Industrial Tractors & Lift Trucks
CLARK Car Loader, Clarkat, Clarkette GASOLINE, 18mm Heads
CLARK CL20, 30, 40, 50 GASOLINE, 18mm Heads
CLARK Clarktor 6, Clipper, Tructractor, Utilitruc GASOLINE, 18mm Heads
CLARK Yardlift 20, 40, 60, 100, 180 GASOLINE, 18mm Heads
ERICKSON 1237 with Continental engines
ERICKSON F5W, F7, MCH, Platform Truck
ERICKSON Rack Runner
LULL 1200 with Continental Y-112
SHOP MULE A3V, A3VU2, A14V
YALE Lift King with IHC engines
Outboard Marine
ANZANI (British) Super-Single
BRITISH SEAGULL 2, 3, 4, 5, 6 h.p.
BRITISH SEAGULL (1970-56) Century
BRITISH SEAGULL (1970-57) Century Plus
BRITISH SEAGULL (1981-55) Forty Minus, Forty Fthwght
BRITISH SEAGULL (1981-56) Forty Plus
BRITISH SEAGULL (1981-66) Silver Century
BRITISH SEAGULL (1981-66) Silver Century Plus
Outdoor Power Equipment
DITCH WITCH with Wisconsin 9 & 12.5 h.p. Directional Boring, Lawn Plows & Trenchers
NEW WAY All Models Mowers
YAZOO/KEES with Wisconsin AGND engines Brushcutters, Mowers, Pluggers, Power Rakes & Tillers
Power Equipment Engines
ACME MOTORI Kerosene, 18mm Heads
LAUSON EY44W, Horizontal Shaft 18mm Heads (Kerosene)
WIS-CON TOTAL POWER Wisconsin Series 12.5 h.p.