The FUEL PUMP DIAPHRAM KIT by RECMAR is a high-quality OEM replacement part designed specifically for Mercruiser engines. This kit includes everything you need to restore the functionality of your fuel pump, ensuring optimal performance and reliability on the water. Crafted with precision and attention to detail, this diaphragm kit is made from durable materials that can withstand the harsh marine environment. It is designed to fit seamlessly into your Mercruiser engine, providing a perfect fit and easy installation. OEM Mercruiser: 21-42990A10, 21-857005A1, 42990A10, 42990A11, 857005A1 Model / OEM 21-42990A10 Engine 30 Jet, 45 Jet, 65 Jet, 105 Jet, 140 Jet, 100 (4 cyl), 115 (4 cyl), 125 (4 cyl), 200 DFI, 225 (3.0L) Carb, 225 (3.0L) EFI, 225 (3.0L) SeaPro, 30 (2 cyl), 40 (2 cyl), 40 (3 cyl), 40 (4 cyl), 50 (3 cyl), 55 (3 cyl), 60 (3 cyl), 75 (3 cyl), 90 (3 cyl) V-135, V-200, XR-6