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Mercruiser Upper Unit Gear Repair Kits

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Gear Housing Service Kit - 18-2358 - Sierra
Madness Sale Price: $616.49
Save: $22.51
(3% Off $639.00)
Part # 18-2358
SHIPS TOMORROW!* if ordered in 17 hrs 26 mins.
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Replaces OEM part #
  • MERCURY MARINE 43-803102T1
For: Mercruiser drives with 20-22 Teeth: 1.50:1 Gear Ratios(1.47:1*)
* Gen II applications serial number range up to OK999999 only
Gear Housing Service Kit - 18-2363 - Sierra
Madness Sale Price: $524.69
Save: $19.31
(3% Off $544.00)
Part # 18-2363
SHIPS TOMORROW!* if ordered in 17 hrs 26 mins.
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Replaces OEM part #
  • MERCURY MARINE 43-803118T1
For: Mercruiser Drives with 20-24 Teeth: 1.98:1 Gear Ratios (1.94/2.40:1*)
* Gen II applications serial number range up to OK999999 only
Gear Housing Service Kit - 18-2364 - Sierra
Madness Sale Price: $544.49
Save: $19.51
(3% Off $564.00)
Part # 18-2364
SHIPS TOMORROW!* if ordered in 17 hrs 26 mins.
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Replaces OEM part #
  • MERCURY MARINE 43-803119T1
For: Mercruiser Drives with 24-24 Teeth: 1.65:1 Gear Ratio(1.62:1*)
* Gen II applications serial number range up to OK999999 only
Gear Housing Service Kit - 18-2365 - Sierra
Madness Sale Price: $530.09
Save: $18.91
(3% Off $549.00)
Part # 18-2365
SHIPS TOMORROW!* if ordered in 17 hrs 26 mins.
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Replaces OEM part #
  • MERCURY MARINE 43-803120T1
For: Mercruiser Drives with 17-19 Teeth: 1.84:1 Gear Ration (1.81:1*)
* Gen II applications serial number range up to OK999999 only
Upper Gear Set - 18-2256 - Sierra
Madness Sale Price: $465.29
Save: $173.71
(27% Off $639.00)
Part # 18-2256
SHIPS TOMORROW!* if ordered in 17 hrs 26 mins.
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Replaces OEM part #
  • MERCURY MARINE 43-803116T1
For: Most Mercruiser V-8 Drives with (1.5:1)
Kit Contains:
    (1) 18-2201 Upper Unit Gear Set - replaces O.E. # 43-18410A2
    (1) 18-2648 Seal Kit - replaces O.E. # 26-32511A2
    (1) 18-2619-1 Outdrive Gasket Set - replaces O.E. # 27-94996A1
    (1) 18-2820 Drive Shaft Housing to Bell Housing Gasket - replaces O.E. # 27-64818
    (1) 18-2743 Drive Shaft Housing to Bell Housing Gasket 27-94996-2
    (1) 18-1160 Bearing - replaces O.E. # 31-35988A2
    (1) 18-1165 Bearing - replaces O.E. # 31-61100A1
    (1) 18-1142 Bearing - replaces O.E. # 31-35990A1
Upper Gear Set - 18-2257 - Sierra
Madness Sale Price: $534.59
Save: $19.41
(3% Off $554.00)
Part # 18-2257
SHIPS TOMORROW!* if ordered in 17 hrs 26 mins.
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Replaces OEM part #
  • MERCURY MARINE 43-803112T1
For: Mercruiser 6 Cylinder Inline with 1.65:1 Gear Ratio
Kit Contains:
    (1) 18-2203 Gear Set - replaces O.E. # 43-45814A5
    (1) 18-2648 Seal Kit - replaces O.E. # 26-32511A2
    (1) 18-2619-1 Outdrive Gasket Set - replaces O.E. # 27-94996A1
    (1) 18-2820Drive Shaft Housing to Bell Housing Gasket - replaces O.E. # 27-64818
    (1) 18-1160 Bearing - replaces O.E. # 31-35988A2
    (1) 18-1161 Bearing - replaces O.E. # 31-35990A1
    (1) 18-1165 Bearing - replaces O.E. # 31-61100A1
    (1) 18-2743 Drive Shaft Housing to Bell Housing Gasket - replaces O.E. # 27-94996-2
Upper Gear Set - 18-2258 - Sierra
Madness Sale Price: $480.59
Save: $43.41
(8% Off $524.00)
Part # 18-2258
SHIPS TOMORROW!* if ordered in 17 hrs 26 mins.
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Replaces OEM part #
  • MERCURY MARINE 43-803114T1
For: Mercruiser V-6(470/485) with 1.84:1 Gear Ratios.
Kit Contains:
    (1) 18-2204 Gear Set - replaces O.E. # 43-75325A3
    (1) 18-2648 Seal Kit - replaces O.E. # 26-32511A2
    (1) 18-2619-1 Outdrive Gasket Set - replaces O.E. # 27-94996A1
    (1) 18-2820 Drive Shaft Housing to Bell Housing Gasket - replaces O.E. # 27-64818
    (1) 18-1160 Bearing - replaces O.E. # 31-35988A2
    (1) 18-1161 Bearing - replaces O.E. # 31-35990A1
    (1) 18-2743 Drive Shaft Housing to Bell Housing Gasket - replaces O.E. # 27-94996-2
    (1) 18-1165 Bearing - replaces O.E. # 31-61100A1
Upper Gear Set - 18-2259 - Sierra
Madness Sale Price: $496.79
Save: $182.11
(26% Off $678.90)
Part # 18-2259
Replaces OEM part #
  • MERCURY MARINE 43-803101T1
For: Mercruiser 120/140 Drives with 1.91:1 Gear Ratio.
Kit Contains:
    (1) 18-2205 Gear Set - replaces O.E. # 43-55778A3
    (1) 18-2648 Seal Kit - replaces O.E. # 26-32511A2
    (1) 18-2619-1 Outdrive Gasket Set - replaces O.E. # 27-94996A1
    (1) 18-2820 Drive Shaft Housing to Bell Housing Gasket - replaces O.E. # 27-64818
    (1) 18-1160 Bearing - replaces O.E. # 31-35988A2
    (1) 18-1161 Bearing - replaces O.E. # 31-35990A1
    (1) 18-1165 Bearing - replaces O.E. # 31-61100A1
    (1) 18-2743 Drive Shaft Housing to Bell Housing Gasket - replaces O.E. # 27-94996-2
Upper Unit Gear Repair Kit - 18-6350K - Sierra
Madness Sale Price: $486.00
Save: $18.00
(3% Off $504.00)
Part # 18-6350K
SHIPS TOMORROW!* if ordered in 17 hrs 26 mins.
Hurry! Only 1 left in stock
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Replaces OEM part #
  • MERCURY MARINE 43-803104T1
For: Mercruiser Gen II (1998 & Up)(S/N OL100040 & Up) with 1.62:1 and 2.00:1 Gear Ratios
Upper Unit Gear Repair Kit - 18-6351K - Sierra
Madness Sale Price: $553.50
Save: $20.50
(3% Off $574.00)
Part # 18-6351K
SHIPS TOMORROW!* if ordered in 17 hrs 26 mins.
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Replaces OEM part #
  • MERCURY MARINE 43-803103T1
For: Mercruiser Gen II (1998 & Up)(S/N OL100040 & Up) with 1.47:1 Gear Ratio
Upper Unit Gear Repair Kit - 18-6352K - Sierra
Madness Sale Price: $457.07
Save: $16.93
(3% Off $474.00)
Part # 18-6352K
SHIPS TOMORROW!* if ordered in 17 hrs 26 mins.
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Replaces OEM part #
  • MERCURY MARINE 43-803106T1
For: Mercruiser Gen II (1998 & Up)(S/N OL100040 & Up) with 1.94:1 and 2.40:1 Gear Ratios
Upper Unit Gear Repair Kit - 18-6353K - Sierra
Madness Sale Price: $466.71
Save: $17.29
(3% Off $484.00)
Part # 18-6353K
SHIPS TOMORROW!* if ordered in 17 hrs 26 mins.
Hurry! Only 1 left in stock
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Replaces OEM part #
  • MERCURY MARINE 43-803105T1
For: Mercruiser Gen II (1998 & Up)(S/N OL100040 & Up) with 1.81:1 Gear Ratio
Mallory Gear Repair Kit, Upper (1.98:1) 9-79203
Mallory Gear Repair Kit, Upper (1.98:1) 9-79203
Your Price: $543.99
Save: $100.96
(15% Off $644.95)
Part # 9-79203
SHIPS TOMORROW!* if ordered in 17 hrs 26 mins.
Hurry! Only 1 left in stock
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Replaces Original Equipment Manufacturer(OEM):Mercruiser
Replaces Original Equipment Manufacturer # (OEM #):43-803101T 1
Fits Application:20-24 teeth, MR/Alpha I, 1983-90
Mallory Gear Repair Kit, Upper (1.50:1) 9-79202
Mallory Gear Repair Kit, Upper (1.50:1) 9-79202
Your Price: $536.99
Save: $102.01
(15% Off $639.00)
Part # 9-79202
SHIPS TOMORROW!* if ordered in 17 hrs 26 mins.
Hurry! Only 1 left in stock
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Replaces Original Equipment Manufacturer(OEM):Mercruiser
Replaces Original Equipment Manufacturer # (OEM #):43-803116T 1
Fits Application:20-22 teeth, MR/Alpha I, 1983-90
Mallory Gear Repair Kit, Upper (1.32:1) 9-79201
Mallory Gear Repair Kit, Upper (1.32:1) 9-79201
Madness Sale Price: $569.99
Save: $150.00
(20% Off $719.99)
Part # 9-79201
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Replaces Original Equipment Manufacturer(OEM):Mercruiser
Replaces Original Equipment Manufacturer # (OEM #):43-803115T 1
Fits Application:16-20 teeth, MR/Alpha I, 1983-90
Sierra
Average Customer Review for Upper Gear Set - 18-2259 - Sierra
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Full StarFull StarFull StarFull StarFull Starparts
by Keith from Ozark, Alabama on August 01, 2011
Very good quality parts and a very smooth transaction .
(1 of 1 people found this review helpful)
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