Mercruiser Stern Drive GM 350 250 255 Engine Exhaust Manifold Gasket Set

Sierra part number: 18-4394

Replaces Mercury part number: 27-33395A2

For: GM 350 (5.7L) CID Eng; 250 HP S/N 4768000-4908849 255 HP S/N 5195909 & UP

Please check the part numbers for your fitment needs. If you are unsure whether this part fits your model, please contact us with your engine HP, model/serial number and we can help determine if it is right for your engine. Thanks for looking!!!

Thank you for shopping at our store!!

Christine