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Mercruiser Complete Lower Units

Complete Lower Unit Assembly - Sierra
Your Price: $1659.99
Save: $501.18
(23% Off $2161.17)
Part # 18-2400
SHIPS TOMORROW!* if ordered in 19 hrs 1 min.
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Replaces OEM part #
  • MERCURY MARINE 1623-815822A53
For: Ratios 1.47, 1.62, 1.81 & 1.94
Fits: Mercruiser Gen II (1998 & up) 0L100040 & up
Complete Lower Unit - Sierra
Your Price: $1422.99
Save: $433.09
(23% Off $1856.08)
Part # 18-2443
SHIPS TOMORROW!* if ordered in 19 hrs 1 min.
Hurry! Only 1 left in stock
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Replaces OEM part #
  • MERCURY MARINE 1623-8951A43
For: Mercruiser R/MR/Alpha Drives
Sierra
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