Mercury - Mercruiser 25-54029 O Ring

Mercury - Mercruiser 25-54029 Powerhead O-Ring (2.800 x .103)

Genuine OEM Mercury - Mercruiser part. Replacement powerhead O-ring for Mercury Outboards.

Lower O-Ring Application:

• 70 (3 cyl) - s/n 0B240451 and up
• 80 (3 cyl) - s/n 0B240451 and up
• 90 (3 cyl) - s/n 0B240451 - 0C221999

Upper O-Ring Application:

• V-105 JET - s/n 0D082000 and up
• V-135 Carb. w/1.50 ID Upper Bearing - s/n 0A904646 - 0C100860
• V-135 Carb. w/1.37 ID Upper Bearing - s/n 0A904646 - 0C100860
• V-135 Carb. - s/n 0C100861 and up
• V-135 Carb. - s/n 0C239553 and up
• V-135 DFI - s/n 0G590000 and up
• V-140 JET - s/n 0D082000 and up
• V-150 Carb. w/1.50 ID Upper Bearing - s/n 0A904646 - 0C100860
• V-150 Carb. w/1.37 ID Upper Bearing - s/n 0A904646 - 0C100860
• V-150 Carb. - s/n 0C100861 - 0C239552
• V-150 XR4, Magnum II - s/n 0B242885 - 0C239552
• V-150 Carb. - s/n 0C239553 and up
• V-150 XR4, 6/Mag II,III - s/n 0C239553 and up
• V-150 EFI - s/n 0D082000 and up
• V-150 DFI - s/n 0G590000 and up
• V-175 Carb. - s/n 6618751 - 0C239552
• V-175 Carb. - s/n 0C239553 and up
• V-175 EFI - s/n 0D000750 and up
• V-200 Carb. - s/n 6073192 - 0C291519
• V-200 Carb. - s/n 0C291520 and up
• V-200 EFI - s/n 0C100861 - 0C291519
• V-200 EFI (2.5L) - s/n 0C291520 and up
• V-200 Laser - s/n 0B117316 and up 

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