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Pricelist: Public Pricelist Pricelist
Pricelist: Public Pricelist Pricelist

MERCURY SPARK PLUG - AC MR43T (8M0204752)

Mercury spark plug - ac MR43T.

$ 14.90 $ 14.90

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Mercury Marine Part Number: 8M0204752

Spark Plugs - MerCruiser

SPARK PLUG

33-8M0204752 - AC, MR43T Fits MerCruiser 2.5L & 3.0L (1974-1991), 4.3L (1985-1996), 5.0L & 5.7L (1977-1997), 7.4L (1981-1997) and 8.2L (1990-2001) Priced individually.

Suitable Models

Confirm the engine model and serial-number range together before ordering.

MerCruiser applications

  • 120: 153 CID / L4; Delco ignition; years 1974 - 1986; serial 3825579 - 0B531853
  • 2.5L: 153 CID / L4; Delco ignition; years 1987 - 1989; serial 0B531854 - 0C853255
  • 140: 181 CID / L4; Delco ignition; years 1974 - 1986; serial 3826283 - 0B450800
  • 3.0L: 181 CID / L4; Delco ignition; years 1987 - 1989; serial 0B450801 - 0C856558; 181 CID / L4; Prestolite ignition; years 1990 - 1991; serial 0C856559 - 0D504541; 181 CID / L4; Delco Digital ignition; years 1990 - 1991; serial 0C856559 - 0D504541
  • 3.0LX: 181 CID / L4; Prestolite ignition; years 1990 - 1991; serial 0C856559 - 0D504541
  • 165: 250 CID / L6; Delco ignition; years 1971 - 1981; serial 2771484 - 5813433
  • 185 (4 bbl.): 229 CID / V-6; Prestolite ignition; years 1983 - 1984; serial 6330183 - 6919655
  • 175: 262 CID / V-6; Thunderbolt IV ignition; years 1987; serial 0B527955 - 0B773242
  • 185 (2 bbl.): 262 CID / V-6; Thunderbolt IV ignition; years 1985 - 1987; serial 6919656 - 0B527954
  • 205: 262 CID / V-6; Thunderbolt IV ignition; years 1985 - 1987; serial 0A331455 - 0B775129
  • 4.3L: 262 CID / V-6; Thunderbolt IV ignition; years 1988 - 1993; serial 0B773243 - 0F000877; 262 CID / V-6; Thunderbolt IV ignition; years 1993 - 1996; serial 0F000878 - 0F802999
  • 4.3LX: 262 CID / V-6; Thunderbolt IV ignition; years 1988 - 1993; serial 0B775130 - 0F001219; 262 CID / V-6; Thunderbolt IV ignition; years 1993 - 1996; serial 0F001220 - 0F802999
  • 198 MIE: 305 CID / V-8; Mallory ignition; years 1977; serial 4776402 - 4931099
  • 200: 305 CID / V-8; Thunderbolt IV ignition; years 1985 - 1987; serial 6899058 - 0B774444
  • 228: 305 CID / V-8; Mallory ignition; years 1977 - 1982; serial 4765100 - 6218461; 305 CID / V-8; Thunderbolt IV ignition; years 1983 - 1984; serial 6218462 - 6899268
  • 228 MIE: 305 CID / V-8; Mallory ignition; years 1977 - 1980; serial 4765100 - 5907057
  • 230: 305 CID / V-8; Thunderbolt IV ignition; years 1985 - 1987; serial 6899269 - 0B773739
  • 230 MIE (LH): 305 CID / V-8; Thunderbolt IV ignition; years 1981 - 1987; serial 5907058 - 0B788151
  • 230 MIE (RH): 305 CID / V-8; Thunderbolt IV ignition; years 1981 - 1987; serial 5907058 - 0B788151
  • 5.0L: 305 CID / V-8; Thunderbolt IV ignition; years 1988 - 1995; serial 0B774445 - 0F600999
  • 5.0L MIE (LH): 305 CID / V-8; Thunderbolt IV ignition; years 1988; serial 0B788152 - 0C396832
  • 5.0L MIE (RH): 305 CID / V-8; Thunderbolt IV ignition; years 1988; serial 0B788152 - 0C396832
  • 5.0LX: 305 CID / V-8; Thunderbolt IV ignition; years 1988 - 1995; serial 0B773740 - 0F600999
  • 898: 305 CID / V-8; Mallory ignition; years 1977 - 1982; serial 4762210 - 6218461; 305 CID / V-8; Thunderbolt IV ignition; years 1983 - 1984; serial 6218462 - 6899057
  • 250: 350 CID / V-8; Mallory ignition; years 1977; serial 4768000 - 4908849
  • 255 MCM & MIE (GM): 350 CID / V-8; Mallory & Mercury ignition; years 1975 - 1976; serial 3258728 - 4767999
  • 260: 350 CID / V-8; Mallory ignition; years 1978 - 1982; serial 4908850 - 6218461; 350 CID / V-8; Thunderbolt IV ignition; years 1982 - 1987; serial 6218462 - 0B773304
  • 260 MIE (LH): 350 CID / V-8; Thunderbolt IV ignition; years 1981 - 1987; serial 5907058 - 0B788151
  • 260 MIE (RH): 350 CID / V-8; Thunderbolt IV ignition; years 1981 - 1987; serial 5907058 - 0B788151
  • 280 TRS: 350 CID / V-8; Mercury ignition; years 1975; serial 4176250 - 4499390; 350 CID / V-8; Mallory ignition; years 1976; serial 4499391 - 4770199
  • 300: 350 CID / V-8; Thunderbolt IV ignition; years 1985 - 1986; serial 6668677 - 0B430367
  • 320 EFI: 350 CID / V-8; Thunderbolt IV ignition; years 1987 - 1989; serial 0A543604 - 0C622418
  • 350 Mag. Alpha: 350 CID / V-8; Thunderbolt IV & V ignition; years 1986 - 1997; serial 0A635178 - 0K999999
  • 350 Mag. Bravo MPI: 350 CID / V-8; Delco HEI ignition; years 1995; serial 0F415189 - 0F601999
  • 350 Mag. MPI Ski: 350 CID / V-8; Delco HEI ignition; years 1995 - 1996; serial 0F350583 - 0F799999
  • 350 Mag. Ski: 350 CID / V-8; Thunderbolt IV & V ignition; years 1991 - 1997; serial 0D505450 - 0K999999
  • 5.7L: 350 CID / V-8; Thunderbolt IV & V ignition; years 1988 - 1997; serial 0B773305 - 0K999999
  • 5.7L EFI: 350 CID / V-8; Delco HEI ignition; years 1995 - 1997; serial 0F225560 - 0K999999
  • 5.7L MIE (LH): 350 CID / V-8; Thunderbolt IV ignition; years 1988 - 1993; serial 0B788152 - 0F024999
  • 5.7L MIE (RH): 350 CID / V-8; Thunderbolt IV ignition; years 1988 - 1993; serial 0B788152 - 0F024999
  • 5.7L MIE: 350 CID / V-8; Thunderbolt IV ignition; years 1993 - 1995; serial 0F025000 - 0K999999
  • 5.7L Ski: 350 CID / V-8; Prestolite & Mallory ignition; years 1985 - 1995; serial 0A338553 - 0F775199; 350 CID / V-8; Thunderbolt IV & V ignition; years 1987 - 1997; serial 0B514627 - 0K999999
  • 5.7LX: 350 CID / V-8; Thunderbolt V ignition; years 1996 - 1997; serial 0F601000 - 0K999999
  • 5.7LX EFI: 350 CID / V-8; Delco HEI ignition; years 1996 - 1997; serial 0F752400 - 0K999999
  • 330 MCM & MIE: 454 CID / V-8; Mallory ignition; years 1977 - 1981; serial 4623115 - 6083144
  • 330: 454 CID / V-8; Thunderbolt IV ignition; years 1982 - 1987; serial 6083145 - 0B816540
  • 340 MIE: 454 CID / V-8; Thunderbolt IV ignition; years 1981 - 1987; serial 5889914 - 0B788365
  • 370 TRS: 454 CID / V-8; Holley ignition; years 1978 - 1985; serial 4883520 - 6721527; 454 CID / V-8; Thunderbolt IV ignition; years 1985 - 1987; serial 6721528 - 0B714586
  • 400 TRS: 454 CID / V-8; Holley ignition; years 1980 - 1986; serial 5668232 - 0B457644
  • 420: 454 CID / V-8; Thunderbolt IV ignition; years 1987 - 1989; serial 0A398941 - 0B622418
  • 425: 454 CID / V-8; Thunderbolt IV ignition; years 1990 - 1993; serial 0B622419 - 0D937011
  • 440 TRS: 454 CID / V-8; Holley ignition; years 1983 - 1986; serial 6181070 - 0B485220
  • 450: 454 CID / V-8; Thunderbolt IV ignition; years 1995 - 1996; serial 0F347100 - 0F347277
  • 454 Mag. Alpha: 454 CID / V-8; Thunderbolt IV ignition; years 1986 - 1988; serial 0A631894 - 0B785148
  • 454 Mag. Bravo: 454 CID / V-8; Thunderbolt IV ignition; years 1988 - 1997; serial 0B721206 - 0K999999
  • 454 Mag. EFI: 454 CID / V-8; Delco HEI ignition; years 1994 - 1996; serial 0F115700 - 0F802349
  • 454 Mag. EFI Ski: 454 CID / V-8; Delco HEI ignition; years 1995 - 1996; serial 0F215800 - 0F820099
  • 454 Mag. MPI: 454 CID / V-8; Delco HEI ignition; years 1996 - 2001; serial 0F802350 - 0M024999
  • 454 Mag. MPI Horizon MIE: 454 CID / V-8; Delco HEI ignition; years 1998 - 2001; serial 0L002200 - 0L674000
  • 454 Mag. MPI Ski: 454 CID / V-8; Delco HEI ignition; years 1996 - 1997; serial 0F820100 - 0K999999
  • 525 SC: 454 CID / V-8; Thunderbolt IV ignition; years 1991 - 1999; serial 0D456000 - 0L415623
  • 7.4L Bravo: 454 CID / V-8; Thunderbolt IV ignition; years 1988 - 1997; serial 0B771113 - 0K999999
  • 7.4L EFI MIE: 454 CID / V-8; Delco HEI ignition; years 1996 - 1997; serial 0F874815 - 0K999999
  • 7.4L MIE: 454 CID / V-8; Thunderbolt IV & V ignition; years 1981 - 1997; serial 5889914 - 0K999999
  • 7.4L MPI MIE: 454 CID / V-8; Delco HEI ignition; years 1995 - 1997; serial 0F563052 - 0K999999
  • 7.4LX Bravo EFI: 454 CID / V-8; Delco HEI ignition; years 1996 - 1997; serial 0F820000 - 0K999999
  • 7.4LX Bravo MPI: 454 CID / V-8; Delco HEI ignition; years 1996 - 1997; serial 0F602010 - 0K999999
  • 500: 502 CID / V-8; Thunderbolt IV ignition; years 1994 - 1998; serial 0F213293 - 0L001772
  • 500 (Gen +): 502 CID / V-8; Thunderbolt IV ignition; years 1999; serial 0L414639 - 0L601036
  • 500 EFI: 502 CID / V-8; Delco HEI ignition; years 1998 - 2005; serial 0L001477 and up
  • 502 Mag.: 502 CID / V-8; Thunderbolt IV ignition; years 1990 - 1993; serial 0C878221 - 0F114528
  • 502 Mag. EFI: 502 CID / V-8; Delco HEI ignition; years 1993 - 1996; serial 0D840650 - 0F802599
  • 502 Mag. MPI: 502 CID / V-8; Delco HEI ignition; years 1996 - 2001; serial 0F802600 - 0M024999
  • 600 SC: 502 CID / V-8; Thunderbolt IV ignition; years 1991 - 1993; serial 0D456489 - 0D763875
  • 8.2L MIE: 502 CID / V-8; Thunderbolt IV & V ignition; years 1990 - 1996; serial 0C878221 - 0F819619
  • 8.2L MPI MIE: 502 CID / V-8; Delco HEI ignition; years 1996 - 2001; serial 0F819620 - 0L674200
  • 500 Bulldog: 540 CID / V-8; Thunderbolt IV ignition; years 1990 - 1996; serial 0C577003 - 0F745405; 540 CID / V-8; Thunderbolt IV ignition; years 1997 - 2001; serial 0K000248 - 0M050281
AC SPRK PLUG

GTIN: 707773188835

WEIGHT: 0 kg



Note: Always verify the compatibility of replacement parts with your specific engine model and serial number. For assistance, consult your Mercury Marine dealer or refer to the Mercury Parts Catalog.