MerCruiser Alpha one V6 4.3L 99758A1 Exhaust Elbow Tube 1983-1986 4" to 3" OD Upper Unit 0L 140hp 4cyl: 1983-1989

0L 140hp 4cyl: 1983-1989

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Filler neck Part # 275000077

MerCruiser Alpha one V6 4.3L 99758A1 Exhaust Elbow Tube 1983-1986 4" to 3" OD Upper Unit 0L 140hp 4cyl: 1983-1989Item Details MerCruiser Exhaust Elbow 99758A1 (stamped cast 99758) Generally used 1983 1986 on GM 4. 3L V6 185hp 2bbl 205hp 4bbl models (the models with the 3" exhaust risers) This is for the old early design exhaust system that had a 3" inlet on the y tube and likely a 3" riser and likely a reduction boot that goes from the 3" riser to the 4" inlet on this unit. Please ensure that yours look the same as well as the same part number You get the PAIR