Mercruiser outdrive upper gearcase ring

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Mercruiser outdrive upper gearcase ring

Upper housing ring manufactured by GLM Marine aftermarket parts

Ring for the upper drive shaft housing
Connects to part #19 bearing retainer nut and part #21 O ring in upper gearcase drawing page
Manufactured by GLM Marine for use with the MerCrusier upper gearcase
OEM # 35983

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28390 ring

P/N 28390 Ring $13.99