This product has been discontinued.
Sierra
2 Ring Standard Bore Inline Piston Kit High Dome - Sierra
Price: $113.99
 Discontinued
Save: $35.01
(23% Off $149.00)
Part # 18-4505
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3 Customer Reviews
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(Discontinued)
This item is found in the following Product Families
Description Customer Reviews Customer Questions & Answers Shipping
Replaces OEM part #
  • MERCURY MARINE 774-9137A12
  • MERCURY MARINE 776-8896A3
  • MERCURY MARINE 776-8899A3
For 2-Ring Pistons:
  • 35-140 Hp, 2-6 Cyl., 2.875/Std. bore
Contains:
    18-4505 Piston - replaces O.E# 774-9137A12
    18-3918 Piston Rings - replaces O.E# 39-817096A6
    Wrist Pin (not sold separately)
    18-4294 Circlips - replaces O.E.# 40-52035

For 3-Ring Pistons:
  • 35-140 HP, 2-6 Cyl., 2.875/Std. bore
  • Contains:
      18-1405 Piston - replaces O.E.# 776-8896A3
      18-3902 Piston Ring - replaces O.E.# 39-78816A12
      Wrist Pin (not sold separately)
      18-4294 Circlips - replaces O.E.# 40-52035
    • Average Customer Review for 2 Ring Standard Bore Inline Piston Kit High Dome - Sierra
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    Based On 3 Reviews | Write Review
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    piston
    by Lawrence from Sacramento, California on January 31, 2014
    Just what I needed.
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    Great part, Great price
    by Kyle from Saint Paul, Minnesota on April 27, 2012
    These fit perfectly and were much cheaper than I have found on other sites. We bought these for our '78 Mercury 402 and they fit perfectly. Our motor has never ran better!
    (1 of 1 people found this review helpful)
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    Review for Sierra 18- 4505 Mercury/Mariner Piston Kit - High Dome
    by a Customer on April 20, 2009
    Everything that I have ordered to date has come with great speed and accuracy. This is deeply appriciated. Keep up the great work. Thank You. Dave Fether
    (6 of 6 people found this review helpful)
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