Amazon Secure Payment System Continue shopping “McGard 74018 Marine Single Stern Drive Lock Set (7/16″- 20 Thread Size) – MerCruiser/OMC – Set of 1” has been added to your cart. Product Price Quantity Subtotal × OMC Cobra Stern Drive New OEM DRIVE GASKET 0915840, 915840 $6.47 OMC Cobra Stern Drive New OEM DRIVE GASKET 0915840, 915840 quantity $6.47 × McGard 74018 Marine Single Stern Drive Lock Set (7/16"- 20 Thread Size) - MerCruiser/OMC - Set of 1 $25.92 McGard 74018 Marine Single Stern Drive Lock Set (7/16"- 20 Thread Size) - MerCruiser/OMC - Set of 1 quantity $25.92 Coupon: Apply coupon Update cart Cart totals Subtotal $32.39 Total $32.39 Proceed to checkout