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Mercury 2 Ring Standard Bore Inline Pistons

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2 Ring Standard Bore Inline Piston Kit High Dome - Sierra
Your Price: $113.99 Discontinued
Save: $35.01
(23% Off $149.00)
Part # 18-4505 ValueShip™ Eligible
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
  • 2 Ring Standard Bore Inline Piston Kit - 18-4620 - Sierra
    Meltdown Sale Price: $102.59
    Save: $40.36
    (28% Off $142.95)
    Part # 18-4620 ValueShip™ Eligible
    SHIPS TODAY!* if ordered in 6 hrs 57 mins.
    Hurry! Only 1 left in stock
    No Reviews | Write Review | Ask Question
    Replaces OEM part #
    • MERCURY MARINE 780-9229A7
    For:
      40-50 HP, 4 Cyl., 2.565/std bore
    Contains:
      18-4620 Piston - replaces O.E.# 780-9229A7
      18-3966 Piston Ring -replaces O.E.# 39-18653A12
      Wrist Pin ( Not Sold Separately)
      18-4294 Circlips - replaces O.E.#40-52035
    2 Ring Standard Bore Inline Piston Kit - 18-4623 - Sierra
    Meltdown Sale Price: $109.79
    Save: $49.76
    (31% Off $159.55)
    Part # 18-4623 ValueShip™ Eligible
    SHIPS TODAY!* if ordered in 6 hrs 57 mins.
    No Reviews | Write Review | Ask Question
    Replaces OEM part #
    • MERCURY MARINE 777-815965T4
    For:
      70-115 HP, 3-4 Cyl., 3.375/Std bore
    Contains:
      18-4623 Piston - replaces O.E.# 777-815965T4
      18-3979 Piston Ring - replaces O.E.# 39-96170A12
      Wrist Pin ( Not Sold Separately)
      18-4294 Circlips - replaces O.E.# 40-52035
    2 Ring Standard Bore Inline Piston Kit - 18-4626 - Sierra
    Meltdown Sale Price: $110.69
    Save: $50.13
    (31% Off $160.82)
    Part # 18-4626 ValueShip™ Eligible
    SHIPS TODAY!* if ordered in 6 hrs 57 mins.
    No Reviews | Write Review | Ask Question
    Replaces OEM part #
    • MERCURY MARINE 2704-826191T4
    For:
      75-125 HP, 3-4 Cyl, 3.375/Std. bore
    Contains:
      18-4626 Piston - replaces O.E.# 2704-826191T4
      18-3982 Piston Ring - replaces O.E.# 39-822321A12
      Wrist Pin (Not Sold Separately)
      18-4294 Circlips replaces O.E.# 40-52035
    Mallory Piston Std 9-53246
    Mallory Piston Std 9-53246
    Meltdown Sale Price: $34.75
    Save: $116.82
    (77% Off $151.57)
    Part # 9-53246 ValueShip™ Eligible
    SHIPS TODAY!* if ordered in 6 hrs 57 mins.
    Hurry! Only 1 left in stock
    No Reviews | Write Review | Ask Question
    Replaces Original Equipment Manufacturer(OEM):Mercury
    Replaces Original Equipment Manufacturer # (OEM #):777-815965T4
    Fits Application:70/75/90/100/115 w/3.375 Bore & Rod #646-818846 T.GUIDED
    Mercury 2.565 Piston 20-50 Hp Std.
    Mercury 2.565 Piston 20-50 Hp Std.
    Your Price: $71.36
    Save: $12.05
    (14% Off $83.41)
    Part # 100-05K ValueShip™ Eligible
    SHIPS TODAY!* if ordered in 6 hrs 57 mins.
    Hurry! Only 1 left in stock
    No Reviews | Write Review | Ask Question
      Mercury:
    • 780-9229A 7
    Sierra
    Full StarFull StarFull StarFull StarFull Star Based On 3 Reviews | Write Review
    Full StarFull StarFull StarFull StarFull Starpiston
    by Lawrence from Sacramento, California on January 31, 2014
    Just what I needed.
    Was this review helpful?
    Full StarFull StarFull StarFull StarFull StarGreat 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)
    Was this review helpful?
    Full StarFull StarFull StarFull StarFull StarReview 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)
    Was this review helpful?
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