• 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)

• Pinion & Foward Gear Set
Key Features:
• Standard rotation (RH)
Additional Details:
• Fits: Alpha One Gen II (except 2.00 & 2.40 ratio) (s/n 0F680000 & Up)
• Teeth: 13-21
Interchange:...

Gear Set
Interchange:
Mercruiser Stern Drive
• 43-878087A4
GLM
• 11091
Sierra
• 18-2406