• 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)

• Gear Set
Additional Details:
• For: MR/Alpha One/Gen II Lower Gear Housings
Interchange:
Mercruiser Stern Drive
• 43-17064A3
• 43-42933A2
• 43-42933A3
• 43-878087A4
Mercury Marine...