Amazon Secure Payment System Continue shopping “1990 OMC Cobra Stern Drives Service Manual 507878” has been added to your cart. Product Price Quantity Subtotal × MERCURY ENERTIA 3 BLADE SS PROPELLER 14 x 19 PITCH $559.95 MERCURY ENERTIA 3 BLADE SS PROPELLER 14 x 19 PITCH quantity $559.95 × OMC Cobra Stern Drive OEM Water Pump Impeller & Housing Repair Kit 984461; 0984461 $52.78 OMC Cobra Stern Drive OEM Water Pump Impeller & Housing Repair Kit 984461; 0984461 quantity $52.78 × 1990 OMC Cobra Stern Drives Service Manual 507878 $65.00 1990 OMC Cobra Stern Drives Service Manual 507878 quantity $65.00 Coupon: Apply coupon Update cart Cart totals Subtotal $677.73 Total $677.73 Proceed to checkout