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MerCruiser 470 Exhaust Elbow Upper Lower Tube Pipe 1983-1989 42423A1 42421A5

MerCruiser 470 Exhaust Elbow Upper Lower Tube Pipe 1983-1989 42423A1 42421A5
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MerCruiser 470 Exhaust Elbow Upper Lower Tube Pipe 1983-1989 42423A1 42421A5 MerCruiser 470 Exhaust Elbow Upper Lower Tube Pipe 1983-1989 42423A1 42421A5 MerCruiser 470 Exhaust Elbow Upper Lower Tube Pipe 1983-1989 42423A1 42421A5 MerCruiser 470 Exhaust Elbow Upper Lower Tube Pipe 1983-1989 42423A1 42421A5 MerCruiser 470 Exhaust Elbow Upper Lower Tube Pipe 1983-1989 42423A1 42421A5 MerCruiser 470 Exhaust Elbow Upper Lower Tube Pipe 1983-1989 42423A1 42421A5
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Item Details

  • Typically found on MerCruiser 470 3.7L & 3.7LX 4cyl Models 1984-1989 (Possibly some 1983 models) that use this style of exhaust system as apposed to the one that had 2 halves but was joined together by bolts rather than a rubber boot.
  • Overall Good condition, The shutter assembly is missing and needs to be replaced
  • Parts Included
    • 42423A1 Exhaust Elbow Assembly- Upper
    • 42421A5 Exhaust Elbow Assembly- Lower (Also Found on MerCruiser 120hp / 140hp Models 1982-1989)
      • Stamped 42420
    • 32-90949T Rubber Exhaust Tube & Hose Clamps

Applicable Models

  • 165 (2 BBL.) MERCURY 224 I/L4 1987 0B434941 THRU 0B774251 
  • 170 (2 BBL.) MERCURY 224 I/L4 1985-1986 6916779 THRU 0B434940 
  • 180 (4 BBL.) MERCURY 224 I/L4 1987 0B436391 THRU 0B775248 
  • 190 (4 BBL.) MERCURY 224 I/L4 1985-1986 6916779 THRU 0B436390 
  • 3.7L (2 BBL.) MERCURY 224 I/L4 1988-1989 0B774252 & Up 
  • 3.7LX (4 BBL.) MERCURY 224 I/L4 1988-1989 0B775249 & Up 
  • 470 (2 BBL.) MERCURY 224 I/L4 1983-1984 6218037 THRU 6916778
  • 488 (4 BBL.) MERCURY 224 I/L4 1983-1984 6170297 THRU 6916778

MerCruiser Stern Drive Alpha One 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999


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