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Mercruiser exhaust bellows with install video

Transom and Bell Housing
GLM Marine aftermarket exhaust bellows

  • P/N 89100 OEM 18654A1 bellows includes (2) clamps and clips
  • Works with Mercruiser MC-1/R/MR/Alpha 1 models 1963 - up.
  • GLM Marine product is warranted to be free of defect in material for a period of 2 years
  • It is recommended to use a bellows adhesive with this part
  • Exploded view Mercruiser parts drawings
  • Compatible with years listed above up

Watch our bellows help video here

 
89100 Mercruiser 18654A1

89100 Mercruiser 18654A1

P/N 89100 OEM 18654A1 Exhaust bellow $22.00

Compatible with:

1 / 1A / 1B / 1C / EZ (1963 - 1966)
Serial numbers 1534570 - 2065186120/140/160/165 (1967 - 1982)
Serial numbers 2062141 - 622576

888/225/233/898/228/250/260 (1971 - 1982)
Serial numbers 3106717 - 6225576

R/MR/Alpha 1/Gen 2 (1983 - up)
Serial numbers 6225577 - up