Reverse Gear
Interchange:
Mallory
• 9-73543
Johnson/Evinrude Outboard
• 0327655
Sierra
• 18-1289

Gear Set

Use BRP 0435123 + 0336574 + 0337774

Interchange:
Mallory
• 9-73550
Sierra
• 18-1291

• Upper Unit Gear Set
Additional Details:
• Drive Gear: 24 Teeth
• Driven Gear: 24 Teeth
• For: Gen II Upper (1998 & Up), 0L100040 & Up
• Ratios: 1.62/2.00:1
Interchange:
Mercruiser...

• Upper Unit Gear Set
Additional Details:
• Drive Gear: 20 Teeth
• Driven Gear: 24 Teeth
• For: Alpha I (Gen II) (1998 & Up), 0L100040 & Up
• For: Mercruiser Vazer
• Ratios: 1.94:1, 2....

• Upper Gear Set
Additional Details:
• Drive Gear: 17 Teeth
• Driven Gear: 19 Teeth
• For: Alpha I Gen II 1998 & Up (s/n 0L00040 & Up)
• For: Mercruiser Vazer
• Ratio: 1.81:1
...

• Gear Set
Additional Details:
• For: 888 s/n 3106717 & Up
• For: #1 Units s/n 3469428 & Up except MR/Alpha unit (which have no pre-load pin top drive shaft)
Interchange:
Mercruiser Stern Drive
•...

• GEAR SET, UPPER (1.5:1)
Additional Details:
• Drive Gear: 22 Teeth
• Driven Gear: 20 Teeth
• For: most V-8 drives & Gen II (s/n 0K999999 & Below)
• Ratio: 1.5:1
Interchange:
...

• GEAR SET, 1.84:1
Additional Details:
• Drive Gear: 17 Teeth
• Driven Gear: 19 Teeth
• For: V-6 & 470/485 (4 cyl. etc.) and Gen II (s/n 0K999999 & Below)
• Ratio: 1.84:1
Interchange:
...

• Gear Set
Key Features:
• 43-878087A2, 43-828073A1 & 43-878087A4 make up gear set 18-2206-1
Additional Details:
• For: All MR/Alpha/Gen II (except Gen II 2.00 - 2.40 ratios)