Mercury-Mercruiser 4721 NLA $21.25=+$5.71 The watertight cover and gasket

The watertight cover and gasket prevent corrosion on the AC plug when it isn't in use

Row Class Part Number SS Level Disp Description 1 QA1912X 00 ACT BLKDIA 15R17 2 QA3012X 01 SS BLKDIXT 15R17 3 QA3012H1 02 SS QA3 15R17 4 QA3012 03 SS QA3 15R17 5 QA3012H2 04 SS QA3 15R17 6 QA3012H3 05 SS QA3 15R17 7 TA3012X 06 SS BLKDIXT 15R17 8 QA2012X 01 SS BLKDIA 14 1/2R17 9 QA2012 02 SS QA3 14 1/2R17 10 QA6012 03 SS QA3 14 1/2R17 11 TA2012 04 SS BLKDIA 14 1/2R17 12 TA2012X 05 SS BLKDIA 14 1/2R17 13 QA1912 01 SS QA3XT 15R17 14 TA1912 01 SS BLKDIA 15R17 15 TA1912X 01 SS BLKDIA 15R17

Water connection 3/8" BSP threaded shaft with 1/2" NPS-M Nylon adaptor included

so they do not curl like rubber flappers

Item Supersession Chain:Power steering fluid 858076K01 is for electric power steering systems

Mercury-Mercruiser 4721 NLA $21.25=+$5.71 The watertight cover and gasketMercury Mercruiser 4721 NLA