Mercruiser Parts - Gearcase

(1.32 Ratio) Roller Bearing 31-66818A1
Your Price:
$62.99

(1.32 Ratio) Roller Bearing 31-66818A1

700-21550

Roller Bearing (1.32 Ratio) replaces MerCruiser part # 31-66818A1

For Lower Drive Shaft


(1.47 Ratio) Roller Bearing 31-32573A1
Your Price:
$33.99

(1.47 Ratio) Roller Bearing 31-32573A1

700-21560

Roller Bearing (1.47 Ratio) replaces MerCruiser part # 31-32573A1

For Lower Drive Shaft


(1”) Screw 10-66686
Your Price:
$0.99

(1”) Screw 10-66686

700-22311

Screw (1”) replaces MerCruiser part # 10-66686

Used with Distributor Assembly – Thunderbolt IV & V


(1-1/16”) Screw 10-45590
Your Price:
$1.99

(1-1/16”) Screw 10-45590

700-21750

Screw 1-1/16” replaces MerCruiser part # 10-45590

For MC-1 / R / MR / Alpha One / Alpha One Gen II


(1-1/4”) Screw 10-72202
Your Price:
$1.27

(1-1/4”) Screw 10-72202

700-22312

Screw (1-1/4”) replaces MerCruiser part # 10-72202

Used with Distributor Assembly – Thunderbolt IV & V


(2-7/8”) Screw
Your Price:
$1.33

(2-7/8”) Screw

700-22441

Screw (2-7/8”)- 2 per pack

(3-3/4”) Screw
Your Price:
$1.99

(3-3/4”) Screw

700-22442

Screw (3-3/4”)

(Plastic) Prop Nut 11-88228
Your Price:
$1.99

(Plastic) Prop Nut 11-88228

700-21242

(Plastic) Prop Nut (2 per pack) replaces MerCruiser part # 11-88228


(Straight) Forward Gear 43-68447T1
Your Price:
$438.99

(Straight) Forward Gear 43-68447T1

700-11350

Forward Gear (Straight) replaces MerCruiser part # 43-68447T1


(Straight) Pinion Gear 43-68548T3
Your Price:
$190.99

(Straight) Pinion Gear 43-68548T3

700-11340

Pinion Gear (Straight) replaces MerCruiser part # 43-68548T3


(Straight) Reverse Gear 43-76250T
Your Price:
$238.99

(Straight) Reverse Gear 43-76250T

700-11360

Reverse Gear (Straight) replaces MerCruiser part # 43-76250T


Autometer 2-1/16" Electric Water Temperature 100-250F
Starting From:
$47.95
This Part has options, please click the button below to order.

100-250F Electric Water Temperature Gauge 2-1/16"

865-200762 + Option(s)

  • Plastic Non-Corrosive casings, sealed lenses
  • UV protected needles for fade resistance
  • Non-corrosive hardware
  • Come with White Lights with Red removable cover
  • 2 1/16 hole size, Outer diameter 2 5/16
  • Sending unit sold separately

Autometer 2-1/16" Electric Water Temperature 100-250F

Starting From:
$58.99
This Part has options, please click the button below to order.

100-250F Electric Water Temperature Gauge 2-1/16" - Custom Colored Rim

865-200762 + Option(s)

  • Custom Colored Rim, your choice from White, Red, Blue, Orange, Yellow, Black, Chrome, Teal, Platinum, Purple & Lime Green
  • Plastic Non-Corrosive casings, sealed lenses
  • UV protected needles for fade resistance
  • Non-corrosive hardware
  • Come with White Lights with Red removable cover
  • 2 1/16 hole size, Outer diameter 2 5/16
  • Sending unit sold separately
*Note: Custom Color Rim gauges are custom built and have a 5-7 business day lead time before shipping.*

Shown below are approximate color representations. All computer screens are different and will display color differently. The Red, Blue, Purple, Teal and Polished powder coats are "candy" or translucent while the Black, White, Orange, Yellow and Lime Green powder coats are flat.


Autometer 2-5/8" Electric Water Temperature 100-250F
Starting From:
$67.93
This Part has options, please click the button below to order.

100-250F Electric Water Temperature Gauge 2-5/8"

865-200763 + Option(s)

  • Plastic Non-Corrosive casings, sealed lenses
  • UV protected needles for fade resistance
  • Non-corrosive hardware
  • Come with White Lights with Red removable cover
  • Overall gauge width is 2-3/4" and dash cutout size is 2-5/8"
  • Sending unit sold separately


Autometer 2-5/8" Electric Water Temperature 100-250F

Starting From:
$79.99
This Part has options, please click the button below to order.

100-250F Electric Water Temperature Gauge 2-5/8" - Custom Colored Rim

865-200763 + Option(s)

  • Custom Colored Rim, your choice from White, Red, Blue, Orange, Yellow, Black, Chrome, Teal, Platinum, Purple & Lime Green
  • Plastic Non-Corrosive casings, sealed lenses
  • UV protected needles for fade resistance
  • Non-corrosive hardware
  • Come with White Lights with Red removable cover
  • Overall gauge width is 2-3/4" and dash cutout size is 2-5/8"
  • Sending unit sold separately
*Note: Custom Color Rim gauges are custom built and have a 5-7 business day lead time before shipping.*

Shown below are approximate color representations. All computer screens are different and will display color differently. The Red, Blue, Purple, Teal and Polished powder coats are "candy" or translucent while the Black, White, Orange, Yellow and Lime Green powder coats are flat.


Clutch & Cam Follower Kit 52-803486T1
Your Price:
$52.99

Clutch & Cam Follower Kit 52-803486T1

700-11950

Clutch & Cam Follower Kit replaces MerCruiser part # 52-803486T1

    Includes:
  • 700-11047 Spring
  • 700-21106 Cross Pin
  • 700-11066 Clutch Dog
  • 700-11186 Cam Follower
  • 700-11046 Spring


Clutch & Cam Follower Kit 52-803487T1
Your Price:
$72.99

Clutch & Cam Follower Kit 52-803487T1

700-11940

Clutch & Cam Follower Kit replaces MerCruiser part # 52-803487T1

    Includes:
  • 700-11050 Spring
  • 700-21107 Cross Pin
  • 700-11063 Clutch Dog
  • 700-11188 Cam Follower
  • 700-21091 Slide
  • 700-11184 Shift Cam
  • 700-11048 Spring


Clutch & Cam Follower Kit 52-803488T1
Your Price:
$147.99

Clutch & Cam Follower Kit 52-803488T1

700-11900

Clutch & Cam Follower Kit (3 Jaw) replaces MerCruiser part # 52-803488T1

    Includes:
  • 700-11050 Spring
  • 700-11061 Clutch Dog
  • 700-11182 Cam Follower
  • 700-11034 Spring
  • 700-11184 Shift Cam


Clutch & Cam Follower Kit 52-803489T1
Your Price:
$147.99

Clutch & Cam Follower Kit 52-803489T1

700-11910

Clutch & Cam Follower Kit (6 Jaw) replaces MerCruiser part # 52-803489T1

    Includes:
  • 700-21131 Spring
  • 700-11063 Clutch Dog
  • 700-11182 Cam Follower
  • 700-11036 Spring
  • 700-11185 Shift Cam


Clutch & Cam Follower Kit 52-803490T1
Your Price:
$337.99

Clutch & Cam Follower Kit 52-803490T1

700-11920

Clutch & Cam Follower Kit w/ Ratcheting Clutch replaces MerCruiser part # 52-803490T1