$582.99
$489.99
Mercury - MerCruiser 43-55778A3 GEAR SET-1.98:1Genuine OEM Mercury MerCruiser replacement engine partSpecial Order Item
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Mercruiser 43-55778A-3 Upper Gear Set - 1.98:1
- SKU:
- 43-55778A-3
$582.99
$489.99
Frequently Bought Together
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Mercruiser 43-55778A-3 Upper Gear Set - 1.98:1
Genuine OEM Mercury-Mercruiser part.
Fits: MC‑I, R, MR, Alpha One & Gen II (s/n 0K999999 and below) (1970‑1997)
- 20-24 Teeth
- 1.98/1.94 & 2.40 Ratio
Special Order Item.
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Mercruiser 43-55778A-3 Upper Gear Set - 1.98:1 Specs
- Product MPN
- 55778A3
- Product UPC
- 745061160194
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