Outdrive upper unit heavy duty gear set for 1970 - 1997 models
Replaces Mercury OEM 43-18411A2, Sierra 18-2201
Compatible with MC-1, MR, Alpha One and Gen 2 (1970 -
1997) models
For upper unit models with serial numbers 3106717 - 0K999999
Compatible with V8 models with 1.50/1.47
ratio (20/22 teeth)
Includes bearing GLM P/N 21560 (OEM 31-32573A1)
11210 Mercruiser V8 20-22 Gears 43-18411A2
$444.95 USD
$586.95 Canadian
Customers also purchased:
P/N 87500 Seal kit
87500 Mercruiser upper housing seal / gasket kit (1964 - 1990 models, serial numbers 1684188 - 0D469858)
26-32511A1
$24.95
$30.00
87501 Alpha One Gen 2
P/N 87501 Upper housing seal kit (1991 and up, serial numbers 0A54004 - up)
26-88397A1
$25.95
$33.95
23280
P/N 23280 Shim (for horizontal driven gear)
15-35980A1
$11.95
$14.95
23270 Mercruiser Alpha 1 shim kit
P/N 23270 Shims (for vertical gear)
15-36178A1
$9.95
$12.95
508235 OMC Johnson Compound
P/N 508235 Gasket sealing compound. This sealant is used on the o-rings and gaskets when re-sealing
the outdrive.
$24.95
$32.95
609 Loctite
P/N 609 609 Loctite for oil seals. Low viscosity and fast drying. Small tube is enough for re-sealing
a complete stern drive. Adds 3000 psi of holding power.
$9.95
$12.95
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