Page 611 - Quicksilver Product Guide (2020) - 8M0163242

GEAR CASE COMPONENTS

MERCURY®/MARINER®/FORCE® LOWER UNIT REPAIR KITS APPLICATION CHART

A gearcase can be rebuilt in partial stages or in whole by the use of the four main kits shown in the center of the chart. Those four kits would be the Seal
& Bearing Kit, the Clutch/Cam Follower Kit, the Pinion/Forward Gear Kit(with bearing) and the Reverse Gear. The seal kits and forward bearings
referenced are for convenience should need them individually.
Mercury/Mariner Lower Unit Repair Kits

Model Model Notes Serial # Range Seal Kit Seal & Bearing Kit Clutch/Cam Pinion/Forward Reverse Gear Forward Bearing (If
(w/o forward brg.) Follower Assy. Gear Assy (with Required Separate)
(1) forward brg.)
40 (4 cyl) USA 0C159200 and up 26- 79831A 1 N.L.A. N.L.A. N.L.A. 43- 79158T 31- 38356A 1
40 (4 cyl) BEL 9570790 and up 26- 79831A 1 N.L.A. N.L.A. N.L.A. 43- 79158T 31- 38356A 1
40 FourStroke 1.83:1 ratio USA 0G231123 - 0G760299 - N/A N/A N/A - 31-8M0103470
2:1 ratio USA 0G231123 - 0G760299 - N/A N/A N/A - 31-8M0103470
2.31:1 ratio USA 0G231123 - 0G760299 26- 43035A 4 N/A N/A - - 31- 30894A 1
40 FourStroke 2:1 ratio USA 0G760300 - 0T408999 - N/A N/A N/A - 31-8M0103470
2.31:1 ratio USA 0G760300 - 0T408999 26- 43035A 4 N/A N/A - - 31- 30894A 1
45 (4 cyl) USA 5531630 and up 26- 79831A 1 N.L.A. N.L.A. N.L.A. 43- 79158T 31- 38356A 1
45 (4 cyl) AUS 8063985 and up 26- 79831A 1 N.L.A. N.L.A. N.L.A. 43- 79158T 31- 38356A 1
45 (4 cyl) BEL 9248006 and up 26- 79831A 1 N.L.A. N.L.A. N.L.A. 43- 79158T 31- 38356A 1
45 (4 cyl) CAN 7143688 and up 26- 79831A 1 N.L.A. N.L.A. N.L.A. 43- 79158T 31- 38356A 1
50 (4 cyl) USA 5531630 and up 26- 79831A 1 N.L.A. N.L.A. N.L.A. 43- 79158T 31- 38356A 1
50 (4 cyl) AUS 8063985 and up 26- 79831A 1 N.L.A. N.L.A. N.L.A. 43- 79158T 31- 38356A 1
50 (4 cyl) BEL 9248006 and up 26- 79831A 1 N.L.A. N.L.A. N.L.A. 43- 79158T 31- 38356A 1
50 (4 cyl) CAN 7143688 and up 26- 79831A 1 N.L.A. N.L.A. N.L.A. 43- 79158T 31- 38356A 1
40 (3 cyl) USA 0G531301 and up - 31-803494T 1 N.L.A. 43-803498T 1 - 31-8M0103470
40 (3 cyl) BEL 9973100 and up - 31-803494T 1 N.L.A. 43-803498T 1 - 31-8M0103470
50 (3 cyl) USA 0D000750 - 0G589999 26-814669A 2 N.L.A. N.L.A. 43-803499T 1 43-813695T 31-8M0103476
50 (3 cyl) BEL 9683055 - 9973099 26-814669A 2 N.L.A. N.L.A. 43-803499T 1 43-813695T 31-8M0103476
50 (3 cyl) USA 0G590000 and up - 31-803494T 1 N.L.A. 43-803498T 1 - 31-8M0103470
50 (3 cyl) BEL 9973100 and up - 31-803494T 1 N.L.A. 43-803498T 1 - 31-8M0103470
50 FourStroke 1.83:1 ratio USA 0G231123 - 0G760299 - N/A N/A N/A - 31-8M0103470
2:1 ratio USA 0G231123 - 0G760299 - N/A N/A N/A - 31-8M0103470
2.31:1 ratio USA 0G231123 - 0G760299 26- 43035A 4 N/A N/A - - 31- 30894A 1
50 FourStroke 1.83:1 ratio USA 0G760300 - 0T178499 - N/A N/A N/A - 31-8M0103470
2.3:1 ratio USA 0G760300 - 0T178499 26- 43035A 4 N/A N/A - - 31- 30894A 1
55 (3 cyl) USA 0D000750 and up 26-814669A 2 N.L.A. N.L.A. 43-803499T 1 43-813695T 31-8M0103476
55 (3 cyl) BEL 9741042 and up 26-814669A 2 N.L.A. N.L.A. 43-803499T 1 43-813695T 31-8M0103476
60 (3 cyl) Standard, NON-BIGFOOT USA 0D000750 and up 26-814669A 2 N.L.A. N.L.A. 43-803499T 1 43-813695T 31-8M0103476
Model
60 (3 cyl) Standard, NON-BIGFOOT BEL 9683055 and up 26-814669A 2 N.L.A. N.L.A. 43-803499T 1 43-813695T 31-8M0103476
Model
60 (3 cyl) 3 JAW Rev. Clutch USA 0D000750 - 0G589999 26- 43035A 4 31-803496T 1 52-803488T 1 43-803500T 1 43- 12635T 31- 30894A 1
BIGFOOT Model
60 (3 cyl) 3 JAW Rev. Clutch BEL 9683055 - 9973099 26- 43035A 4 31-803496T 1 52-803488T 1 43-803500T 1 43- 12635T 31- 30894A 1
BIGFOOT Model
60 (3 cyl) 6 JAW Rev. Clutch USA 0D000750 - 0G589999 26- 43035A 4 31-803496T 1 52-803489T 1 N.L.A. - 31- 30894A 1
BIGFOOT Model
60 (3 cyl) 6 JAW Rev. Clutch BEL 9683055 - 9973099 26- 43035A 4 31-803496T 1 52-803489T 1 N.L.A. - 31- 30894A 1
BIGFOOT Model
60 (3 cyl) 6 JAW Rev. Clutch USA 590000 and up 26- 43035A 4 31-803496T 1 52-803489T 1 N.L.A. - 31- 30894A 1
BIGFOOT Model
60 (3 cyl) 6 JAW Rev. Clutch BEL 9973100 and up 26- 43035A 4 31-803496T 1 52-803489T 1 N.L.A. - 31- 30894A 1
BIGFOOT Model
70 (3 cyl) 3 JAW Rev. Clutch USA 0A996142 - 0C221999 26- 43035A 4 31-803496T 1 52-803488T 1 43-803500T 1 43- 12635T 31- 30894A 1
70 (3 cyl) 3 JAW Rev. Clutch BEL 9483121 - 9589038 26- 43035A 4 31-803496T 1 52-803488T 1 43-803500T 1 43- 12635T 31- 30894A 1
70 (3 cyl) 6 JAW Rev. Clutch USA 0A996142 - 0C221999 26- 43035A 4 31-803496T 1 52-803489T 1 N.L.A. - 31- 30894A 1
602