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  6. MERCURY NGK R5673-8 SPARK PLUG (8134214)
  7. Spark Plugs - MerCruiser
Pricelist: Public Pricelist Pricelist
Pricelist: Public Pricelist Pricelist
MERCURY NGK R5673-8 SPARK PLUG (8134214)

MERCURY NGK R5673-8 SPARK PLUG (8134214)

Mercury NGK R5673-8 spark plug.

$ 8.40 $ 8.40

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Mercury Marine Part Number: 8134214

Spark Plugs - MerCruiser

SPARK PLUG

33-813421 4 - NGK, R5673-8 Fits Mercury Racing 575 SCi engines with serial No. 0L306696-0L307026, 0L601000-0L602090, 0M05000-0M5329) and (0M90000-0M950526) requiring NGK R5673-8 spark plugs. Priced individually.

Suitable Models

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

MerCruiser applications

  • 325 MCM & MIE: 427 CID / V-8; Thunderbolt ignition; years 1969 - 1974; serial 2278747 and up
  • 330 MCM & MIE: 454 CID / V-8; Thunderbolt ignition; years 1977 - 1981; serial 4623115 - 6083144
  • 350 MIE: 454 CID / V-8; Thunderbolt ignition; years 1974 - 1976; serial 3780450 - 4623109
  • 370 TRS: 454 CID / V-8; Mallory ignition; years 1978 - 1985; serial 4179554 - 6721527
  • 400 TRS: 454 CID / V-8; Mallory ignition; years 1980 - 1986; serial 5668232 - 0B457644
  • 440 TRS: 454 CID / V-8; Mallory ignition; years 1983 - 1986; serial 6181070 - 0B485220
  • 460 TRS: 482 CID / V-8; Mallory & Holley ignition; years 1983 - 1986; serial 6180970 - 6181046
  • 575 SCi: 502 CID / V-8; Delco HEI ignition; years 2000 - 2005; serial 0L306696 - 0M950526
  • 600 SC: 502 CID / V-8; Thunderbolt IV ignition; years 1993 - 1996; serial 0D763876 - 0F877642
  • 575: 540 CID / V-8; Thunderbolt IV ignition; years 1986 - 1992; serial 0A677429 - 0D763716
  • 800SC: 572 CID / V-8; Thunderbolt IV ignition; years 1993 - 1996; serial 0D763836 - 0F877725; 572 CID / V-8; Thunderbolt IV ignition; years 1997 - 2026; serial 0K000223 and up
NGK R5673-8

GTIN: 87295132494

WEIGHT: 0.045 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.