12644A1 Exhaust Flapper Protector Valves for MerCruiser Stern Drives and Inboard Engines Manifold Replacement Mercury Quicksilver OEM 12644Q01 Sierra Marine 18-4457 Outboard Water Pump Impeller Yamaha Marine Outboard 6CJ-W0078-02 6CJW007802

Yamaha Marine Outboard 6CJ-W0078-02 6CJW007802

2007 Yamaha 300HP LF300TUR LF300TXR LF300TXR F300TUR F300TXR

Jabsco OEM  Diameter Depth Shaft Size Shaft Blands Material 22799-0001  51 22 12

10-13021-95    F8B-8007

Yamaha Marine 6E0-44352-00

12644A1 Exhaust Flapper Protector Valves for MerCruiser Stern Drives and Inboard Engines Manifold Replacement Mercury Quicksilver OEM 12644Q01 Sierra Marine 18-4457 Outboard Water Pump Impeller Yamaha Marine Outboard 6CJ-W0078-02 6CJW007802Soxa Marine Stern Drive Exhaust Flapper Protector Valves Set SoxaMarine 4 Inch 12644a 1 Exhaust Manifold Flapper Valves with Clamps Set. Compatible with various MerCruiser stern drive and inboard engines exhaust manifolds installations . Replaces Mercury Mercruiser OEM 12644A1, 815504372, 12644A 1, 12644Q01 Match to Aftermarket Sierra Marine 18 4457, 18 4457D, MR 588 OBR, Mallory Marine 9 44001 and GLM Marine 89250 Compounded rubber flapper valves