Description
The Champion Spark Plug 853 (CJ7Y) is a dependable OE-type replacement spark plug designed for consistent ignition performance and long service life. Its copper core center electrode helps improve conductivity and heat control, supporting reliable starts, reduced fouling, and steady wear across a wide range of compatible outdoor power equipment and small engine applications.
Built to ISO and SAE standards, this Champion Copper Plus plug is designed for standard replacement use in chainsaws, trimmers, blowers, brushcutters, hedge trimmers, cutoff saws, and utility equipment. The flat-seat design, nickel electrode materials, removable nut terminal, and crush washer configuration help support dependable installation and reliable service in compatible equipment.
Features
- OE-type replacement spark plug
- Champion Copper Plus Small Engine classification
- Dependable performance and durability
- Copper core center electrode for improved conductivity and heat control
- Resists fouling
- Superior corrosion resistance
- Built to ISO and SAE standards for proven performance
- Plug type: CJ7Y
- Part description: Spark Plug
- Grade type: Standard Replacement
- Center electrode tip material: Nickel
- Center electrode design: Standard
- Center electrode diameter: 0.078 in.
- Ground electrode quantity: 1
- Ground electrode tip material: Nickel
- Ground electrode core material: Nickel
- Ground electrode material: Nickel Copper Alloy
- Pre-gap size: 0.020 in. / 0.50 mm
- Hex size: 0.748 in. / 19.000 mm
- Insulator height: 0.06 in.
- Insulator projection: 0.06 in.
- Manufacturer heat range: 7
- Seat type: Flat
- Reach: 0.375 in.
- Thread diameter: 0.551 in. / 14.000 mm
- Resistor type: No
- Electrical terminal type: Removable Nut
- Hex type: Hex
- Washer included: Yes
- Washer type: Crush
- Indexed: No
- Installed height: 1.56 in.
- Taper diameter: 0.27 in.
- Subject to Prop 65: No
Vehicle Fitment
Powersports, Motorcycle, ATV, Snowmobile, and Personal Watercraft Fitment
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E-TON Rascal 40 — 2000-2001
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E-TON Viper Jr. — 2002-2004
Agricultural, Industrial, Construction, and Equipment Fitment
Compatible with listed applications including, but not limited to:
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Ariens — Base, BC350, BC460, LT210, LT210e, TB220, TB220e, TB260
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Atom — Base
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Blue Bird / BlueBird — M41, M54, NEA52E, ZM47
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Castor — 330, 380, CP-41, CP-45
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Craftsman — 79511, 79521, 79522, 79550, 79554, C944.411362, C944.411363, C944.411364, C944.411372, C944.411420, C944.411462, C944.414370, C944.414420, C944.414460, CMXGSAMA421S, CMXGSAMA426S, CMXGSAMY421S, CMXGSAMY462S, S205, 358.341900, 358.341950, 358.348211, 358.350060, 358.350080, 358.350160, 358.350180, 358.350200, 358.350201, 358.350202, 358.350203, 358.350210, 358.350260, 358.350270, 358.350280, 358.350360, 358.350370, 358.350380, 358.350460, 358.350461, 358.350462, 358.350480, 358.350481, 358.350561, 358.350562, 358.350580, 358.350590, 358.350600, 358.350601, 358.350660, 358.350670, 358.350671, 358.350801, 358.350802, 358.350810, 358.350811, 358.350820, 358.350821, 358.350830, 358.350870, 358.350880, 358.350980, 358.350982, 358.350990, 358.350991, 358.351040, 358.351042, 358.351060, 358.351061, 358.351062, 358.351063, 358.351080, 358.351081, 358.351082, 358.351140, 358.351141, 358.351142, 358.351143, 358.351160, 358.351161, 358.351162, 358.351180, 358.351182, 358.351191, 358.351202, 358.351210, 358.351340, 358.351380, 358.351440, 358.351560, 358.351580, 358.351600, 358.351610, 358.351700, 358.351701, 358.351710, 358.351800, 358.351810, 358.351820, 358.351900, 358.351901, 358.351910, 358.352161, 358.352162, 358.352181, 358.352380, 358.352680, 358.352681, 358.356180, 358.356230, 358.356241, 358.356242, 358.360100, 358.360101, 358.360120, 358.360121, 358.360130, 358.360131, 358.360150, 358.360151, 358.360170, 358.360171, 358.360180, 358.360260, 358.360280, 358.360360, 358.360361, 358.360380, 358.360381, 358.360680, 358.360681, 358.360690, 358.360800, 358.360821, 358.360830, 358.360831, 358.360850, 358.360870, 358.360871, 358.360880, 358.360881, 358.381600, 358.381700, 358.381800, 358.794200, 358.794201, 358.798280
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Cub Cadet — 19EHC, 24HC, 40HC, BB40, BB45, HB26
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Cub Cadet Commercial — CS3916
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Dolmar — Base, 110i, 111i, 112, 113, 114, 115i, 116, 117, 118, 119, 120 Super, 122, 123, 128, 128 KMS4 Rotary, 133, 133 Super, 143, 144, 152, 153, 166, 309-1, 310, 311, 343-1, PC6114, PS35, PS45, PS460, PS5100S, PS5105H, PS540, PS6100, PS6400H, PS7310, PS7310H, PS7310XD, PS7910, PS7910H, PS7910W, PS9010, PS9010i
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DSI — DS-40
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Dynamark — 4201, 4221, 4222, 4223, 4241, 4242, 4243, 4244
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Echo — 1001VL, 3000, 3400, 3450, 4000, 4000EVLP, 410EVL, 440EVL, 440EVLP, 500EVL, 510EVL, 550EVL, 601EVL, 602VL, 610EVL, 620VL, 650, 650EVLP, 660EVL, 660EVLP, 750, 852EVL, 900EVL, Base, EA410, EDR2400, EG-550, ES1000, ES2000, ES2100, ES231, ES2400, GT2000, GT2000EZR, GT2000R, GT201, GT201EZR, GT2100, GT2101, GT2102, GT2103, GT2200, HC1500, HC1600, HC161, HC2000, HC2100, HC233, HC234, HC2400, HC2410, HCA2400, HCA261, HCR150, HCR1500, HCR151, PAS2000, PAS2100, PAS211, PAS260, PAS2601, PE2000, PE2200, PE2201, PE2400, PE2601, PE310, PE3100, PB201, PB210E, PB2100, PB231LN, PB2400, PB261L, PB300E, PB403, PB411, PB4600, PB600, PB6000, PB601, PB602, PB603, PB750, PB1000, PB1010, PPF2100, PPF2110, PPFD2400, PPT2100, PPT211, PPT2122, PPT230, PPT231, PPT2400, PPT2433, PPT260, PPT261, SRS2100 Aggressor Tree Trimmer, SRS2400, SHC2100, SHC2400, SHC2401, SHC261, SRM1500, SRM1500A, SRM1501, SRM2000, SRM2100, SRM2100SB, SRM2110, SRM211U, SRM2200, SRM2201, SRM2300, SRM2301, SRM2310, SRM231U, SRM2400, SRM2400SB, SRM2410, SRM2501, SRM2501S, SRM2502, SRM250E, SRM2510, SRM261SB, SRM3000, SRM3001, SRM3010, SRM3100, SRM3100S, SRM3110, SRM3400, SRM3800, SRM400, SRM400AE, SRM400BE, SRM400E, SRM4600, WP100, WP1500, WP1000
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Edko — 8260BAV, 8260DAV, 8260LAV, 8260LA, 8260TA, 8350BAV, 8350LAV, 8420BAV, 8460BAV, 8510BAV, 8510BAV?, 8725BAV, 8725LAV, 8725TA, 8726BAV, 8726LAV, 8726TA, 8735BAV, 8735LAV, 8735LAV?, 8740BAV, 8742BAV, 8746BAV, 8750PRO, 8753BAV, E8405BP, HT27, TR1540, TS330
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Efco — 8370 S, 8370 T, 840? not listed, 8410 S, 8410 T, 8460, 8530, 935, 940, 951, 956, 962C, 971, 980TTA, 981, 1000TTA, DS 3500 S, DS 3500 T, MT 3500, MT 5200, SA 2700, SA 3000, TR 1551, 265TTA
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E-TON — Rascal 40, Viper Jr.
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Grip — Base
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Green Machine — 3000LP, 3800LP
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Husqvarna — 1R, 16, 18, 20PS, 22HB, 22R, 22RL, 23 Compact, 23LC, 24, 26RCL, 28HBV, 32, 32R, 32RCL, 32RLC, 33, 34, 36, 39R, 40, 41, 42, 44, 45, 49, 50, 51, 55, 55 Rancher, 61, 65, 65K, 77, 1100CD, 120, 120 II, 123C, 130, 135, 135 Mark II, 136, 140, 140S, 141, 154, 160S, 160CD, 162FG, 162FE, 162SE, 162SG, 163S, 163SE, 165, 165R, 165RX, 180S, 181, 185CD, 223L, 223R, 225E, 225H60, 225H75, 225HP, 225L, 225L Lite, 225LD, 225R, 225RD, 225RJ, 232L, 232R/RD/RJ, 235, 235P, 235R, 238, 240, 240e, 240R, 240RBD, 240S, 240SE, 240SG, 242XP, 244, 244RX, 245R, 245RX, 246, 250PS, 250R, 250RX, 254XP, 257, 260, 260CD, 261, 262XP, 262XPG, 263CD, 265RX, 266, 266SE, 266SG, 266XP, 268, 268K, 272K, 272S, 272XP, 272XPG, 280G, 280S, 280CD, 281, 285CD, 3120K, 3120XP, 3130, 322E, 322R, 323R, 324HE4, 324L, 325, 325C, 325EX, 325HE3, 325HS75, 325HS99, 325P4 Pruner, 325RX/RJX, 326Ex, 326HD60x, 326HD75X, 326HE3x, 326HE4x, 326HS75x, 326HS99x, 326LD, 326LX E-tech II, 326RJx, 334T, 335XP, 335XPT, 338XPT, 339XP, 340, 340SE, 340SG, 345, 346XP, 346XP E-Tech, 346XPG, 350, 351, 353, 353 E-Tech, 357XP, 359, 362XP, 365, 371K, 371XP, 371XPG, 372XP, 372XPG, 380K, 380S, 380CD, 385XP, 390XP, 390XPG, 390XPW, 394XPG, 395XPW, 435e, 435e II, 440, 440e II, 444, 444FE, 444FG, 444SE, 445, 445 Rancher, 445e, 450, 450 Rancher, 450e, 455, 455 Rancher, 455e Rancher, 460 Rancher, 465 Rancher II, 480CD, 480K, 565, 570, 572XP, 572XPG, 575XP, 576XP AutoTune, 576XPW, 576XPW AutoTune, A77, B77, HVT? not in this entry, Husky 34, Husky 35VR, Husky 36, Husky 38, Husky 39R, Husky 40, Husky 41, Husky 42, Husky 44, Husky 45, Husky 49, Husky 50, Husky 51, Husky 55, Husky 65, Husky 66, Husky 77, Husky A65, Husky A77, Iron Horse, K770, K770 OilGuard, K770 Rescue, K950, K1270, K1270 Rail, Rancher 61, Rancher 65, PS-50
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Jacto — PL50V
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Jobu — L6, L8, L86S
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John Deere — Base, 25EV, 25S, 30S, 35EV, 38B, 46EV, 51SV, 55EV, 65EV, 65SV, 66SV, 70V, 72, 80EV, 90G, 110G, 240G, 260G, 300CS, 350CS, 450V, 800V, BP50, CS36, CS40, CS46, CS52, CS56, CS62, CS71, CS81, R70EV, S80, S82
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Jonsered — 041 Turbo, 45ES, 49SP, 52ES, 66E, 66ES, 70E, 90W, 111S, 365, 435, 450, 451EV, 510SP, 521EV, 535, 590, 621, 625 II, 630S, 630 Super II, 670 Champ, 801, 830, 910D, 910E, 920, 2040, 2040 Turbo, 2045, 2050, 2051, 2051 Turbo, 2054, 2055 CAT, 2055 Turbo, 2063, 2065, 2071 Turbo, 2071W, 2077, 2083 Turbo, 2141 Turbo, 2145 Turbo, 2149 Turbo, 2149W Turbo, 2150 Turbo, 2159 Turbo, 2159W Turbo, 2163 Turbo, 2163W Turbo, 2165 Turbo, 2171 Turbo, 2171W Turbo, BP40 Combi, BP40 Combi Cat, BP2040C, BV32, CC2128C, CC2235, CS2139T, CS2166, CS2172, CS2172H, CS2172W, CS2188, CS2238, CS2238S, CS2240, CS2240S, CS2245, CS2245S, CS2250S, CS2255, GC2128C, GR24, GR24L, GR26, GR26CL, GR26D, GR26L, GR28, GR28L, GR32, GR32D, GR32L, GR36, GR41, GR44, GR50, GR2026, GR2026CL, GR2026D, GR2026L, GR2030? as GR203020, GR203020, GR2032D, GR2032L, GR2036, GT21L, GT22L, GT24L, GT25L, GT26D, GT26L, HT18, HT21, HT22, HT24, HP36, J200B, J200L, J220B, J220L, J260B, J260BA, J260BAV, J260DAV, J260L, J260LA, J260LAV, J260TA, J300, J320BAV, J320LAV, J400, J450, J460BAV, J8510BAV, M50, M52, M60, M62, M75, M80, M110, M601, M621, MK70, MK80, Pro 35, RS40, RS41, RS44, RS45, RS51 Pro, RS52, Split 40, Super III, WP25
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Kawasaki — Base, KBL26A, KBL27A, KBL27B, KBL27BC, KBL34A, KBL35A, KEL26A, KEL27B, KGT26AC, KGT27A, KGT27C, KGT35A, KGT37A, KHD600B, KHS1100B, KHT600D, KHT600S, KHT750D, KHT750S, KRB300A, KTF27A, KTF27AC, KTR27A
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Kees, F.J. — Base
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Kioritz — Base
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Kioritz / Xenoah / Zenoah / Komatsu Zenoau — Base and listed models
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Little Wonder — 2216D, 2224D, 2230D, 2230S, 2242S, 6050, 7222, 9555
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Lombard — AP22, AP22-1, AP22D, AP22D-1, AP24, AP24D, AP42, AP42-1, AP42D, AP42D-AV, AP42SE, Comango, Little Lightning, Little Lightning Deluxe, Little Lightning Super Deluxe, Super Lightning
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Makita — DCS500, DCS5121, DCS6421, EA5000P, EA6100P, EA6101P, EA7300P, EA7900P, EK6100, EK6101, EM2600L, EM2600U, EW100R, RBC260, RBC261, RBC310
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Mantis — 6040, 7222
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McCulloch — 1.9, 2.3, B28B, B28P, CS330, CS340, CS360, CS360T, CS370, CS380, CS400, CS400T, CS410 Elite, CS420T, CS42S, CS450 Elite, Mac 20X Power, Pro 600E, Promac, Titan 560, Titan 620, TrimMac, Xtreme 3.0, Xtreme 3.2, Xtreme 3.4
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Mitsubishi — Base
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Montgomery-Ward — 24050A, 24052A, 24054A, 24056A, 24062, 24064, 24066, 24068, 24078, 24084, 24086
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Olympyk — 234, 240, 244F, 251, 252, 254, 261, 264F, 264TTA, 264VS, 271, 272F, 274TTA, 284F, 284TTA, 285TTA, 355F, 480, 481, 482MP, 8405BD, 8405BP, 8420BAV, 8460BAV, 8726, 8735, 980, 941, 942, 945F, 946, 950F, 951, 962, 970, 999, 999F, 999TTA, 1000TTA, AM18, AM150, AM180, AT2080, B200, B220, B220L, B260B, B260L, B300, B400, B450, JET410, MTL30, PA1030, PA1040, PA1100H, SA18, SA30, SA45, Super 251, TS310, TS330, TS410, TR1540, 8260BA, 8260BAV, 8260DAV, 8260LA, 8260LAV, 8320BAV, 8320LAV, 8350BAV, 8350HTV, 8350LAV
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Partner — 330, 340, 350, K20, K40, K500 Mark-II, K650 Super, K700, K850 Mark-II, K1200 Mark-II, P55, P70, P85, P100, P400, P5000 Plus, P7000, R16, R17, R18, R20, R30, R40, R44, R417, R420, R421, R435, R440, R517, S50, S55, S65, TS
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Pioneer — Farmlite, P11, P39, P41, P42W, P52W, P60, P62, P62W
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Poulan / Poulan Pro — Base, 180, 200, 205, 210, 2150, 2155, 2175, 220, 2250, 2250LE, 2300, 236, 2375, 2400, 2450, 2500, 255, 2550, 2600, 2750, 2900, 295, 3050, 325, 355, 365, 405, 415, 425, 455, 475, 505, 525, 6000CVA, 655, S23, KS412, P3314, P3314WS, P3416, P3816? listed as PL3816, PL3816, P4018, P4018WT, PPC? not in this entry, PP 225, PP190 Aborist, PP210, PP230, PP235, PP236, PP255, PP260, PP310, PP315, PP3516AVX, PP405, PP415, PP4218AV, PP4218AVX, PP425, PP445, PP455, PP4620AV, PP4620AVX, PP475, PP5020AV, PP505, PP525, PP655, PPS23 Arbor Pro, PPS25DA, PR25PS, PR3816, PR4016, PR4218, PR4218, PR5020, S6000, Wild Thing 2175, Wild Thing 2375, 1900, 1900LE, 1950, 1950LE, 1975LE, 2000, 2050, 2055, 2055LE, 2075-All, 2100, 2300, 2400, 2450, 2550, 2600, 2775, 2900, 3050, 4200CVA, 425, 455, 475, 505
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Power Pruner — PP800
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Redline — 740PC, 840PC, SA18, SA30
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Redmax — BC261DL, G380, G450AVS, G455AVS, G5300, G561AVS, G621AVS
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Remington — 812, 814, 816, 816AV, 840AV, 850AV, 860AV, Jobmaster, Mighty-Mite 100, Mighty-Mite 200, Mighty-Mite 300, Mighty-Mite 400, Mighty-Mite 500, Mighty-Mite 600, Outdoorsman II, Sportsman II, Yardmaster
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Robin — FL411, NB262, NB263, NBH263, NBK262, NBK351
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Shindaiwa — 488, 757, 757EPA, Base, EC7500, EC7600
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Solo — 101, 142SB, 154, 154SB, 600 Mini, 600B, 605AV, 606AV, 610AV, 615AV, 616AV, 620AV, 640, 645, 650, 650AV, 651, 651SP, 655AV, 656, 660AV, 662, 694, 880, 881
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STIHL — Base, 023, 025, 028, 028S, 031AVE, 042AVEQ, 046, 048, BG17/SG17, BG50, BG66L, BR320, BR320L, BR400, BR450, BR450CEF, BR? no others, FS20, FS38, FS45, FS46, FS48, FS52, FS55, FS62, FS86, FS106, FS120, FS150, FS151, FS160, FS180, FS200, FS200AV, FS200AVE, FS202, FS202AV, FS220, FS250, FS280K, FS300, FS350, FS360AVEZ, FS400, FS401, FS401AVE, FS420, FS450, FS480, FS490C, FS500, FS510C, FS510CM, FS550, FS560C, FS560CEM, TS480i, TS500i, TS510, TS760, GS461 Rock Boss, HL75, HL75L, HS? none in this entry, MS180CBE, MS192TCE, MS260, MS261CM, MS261CMQ, MS261CQ, MS271 Farm Boss, MS291CBEQ, MS291CQ, MS361C, MS362CM, MS362CMQ, MS362RCM, MS441CMQ Magnum, MS441CQ, MS441CM, MS441CMQ, MS441CMQ Magnum, MS441CM? repeated, MS460, MS461 Rescue, MS461R, MS661CM, MS661RCM, MS880R Magnum, SR320, SR400
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Tanaka — 2510, 2520, TBC-240PF, TBC-2510, TBC-270PF, TBC-4001, TCS-33EB, TCS-3401, THT-2100, TPH-270PF, TPE-2510, TPE-270PF, THB-2500, ECT-3401, ECT-3801
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Tecumseh — Base, 21/25 Series, H20, T400PV, TH23, TH26
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Toro — 3091, 53002, 53003, 53010, 53011, 53020, 53030
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Troy-Bilt — TB4620C
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Trim-A-Lawn — Base
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U.S. Engines — Base
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W-W Grinder — BC245E, BC340FI, BC430DWM, BC430FWM
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Wacker / Wacker-Neuson — 11, 12, 13, 14, BTS9, BTS10, BTS11, BTS12, BTS13, BTS14
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Weed Eater — FL1500LE
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Xenoah / Zenoah / Komatsu Zenoau — Base, G36AV, G36AVS, G50AV, G560AV, G560AVS, G620AV, G620AVS
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Yardmaster — Remington Yardmaster entry covered above
Additional Engine and Power Unit Fitment
Also listed for numerous standalone engine and power unit applications, including:
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21/25 Series — 1-cylinder application
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Base — 1-cylinder application
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H20 — 1-cylinder application
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T400PV — 1-cylinder application
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TH23 — 1-cylinder application
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TH26 — 1-cylinder application