Mk1 MX-5 engine parts Home / Mazda MX-5 parts / Engine parts / Mk1 MX-5 engine parts Bolt, engine to gearbox, Mazda MX-5 mk1 to 1994, M10, 14mm head x 55mm, 997961055, USED Bolt, engine to gearbox, Mazda MX-5 mk1 to 1994, M10, 14mm head x 55mm, 997961055, USED £1.00 Excluding VAT Stock Status: In Stock Used engine to gearbox mounting bolt, Mazda MX5, M10, 14mm head, 55mm long. UM01660. Add to wishlist Information Specifications Reviews Used engine to gearbox bolt, Mazda MX5, 14mm head, m10 thread, 55mm long, mk1 1.6 & 1.8 models, 1989-1994. This bolt is used to mount the starter motor and join the engine to the gearbox, early 1.6 and 1.8 mk1 models only. Mazda part number 99796-1055. UM01660. Product Code: UM01660 SKU: UM01660 Not yet reviewed Write an online review and share your thoughts with other shoppers! Be the first to review this product You May Also Like Bolt, engine to gearbox, Mazda MX-5, 17mm head x 60mm, 997961260, USED £1.50 Power steering pump mounting pivot nut, Mazda MX-5, 999401000, USED £1.50