Check the listing for details. Upper and Lower exhaust Hose tube rubber coupler Bellows Mercruiser 4.3 5.0 5.7L. Condition: New. Listed at 49.99 USD. Welcome To Our Shop ! Up for sale is a Mercury MerCruiser 4"Exhaust hose bellows for V6 and V8 engines 4.3L, 5.0L, 5.7L Fits : For Mercruiser 1998-newer ( Most V6 and V8 Engines) Not fits for V6 engines that came with the one piece manifolds Not fits for early V8 with the round pin going through flapper NOTE : The buttonhole will have two rectangular holes. If your Y-shaped tube has round holes, you need A3 shutters. If the size of your Y-shaped tube changes a few inches below the shutter, you have a one-piece V6 Y-shaped tube and you need shutter A2. Not work on V6 engines that came with the one piece manifolds ( use 807166A2 it has a flat tip ) PACKAGE Included and Replace OEM Nuber 2* Exhaust Bellow (4" Lower Tube) OEM: 32-14358, 32-14358T,31-14358001 2* EXHAUST BOOT (4" Upper Tube) OEM: 32-44348, 32-44348T, 31-44348001 2* Mercury Exhaust Flapper/Shutter 807166A1 8pcs ss316 clamps . (OEM Quality) USA Here in Stock , Ready to go out today! Package Part Same as the first picture shown . On May-10-22 at 02:02:02 PDT, seller added the following information:Welcome To Our Shop ! Up for sale is a Mercury MerCruiser 4"Exhaust hose bellows for V6 and V8 engines 4.3L, 5.0L, 5.7L Fits : For Mercruiser 1998-newer ( Most V6 and V8 Engines) Not fits for V6 engines that came with the one piece manifolds Not fits for early V8 with the round pin going through flapper NOTE : The buttonhole will have two rectangular holes. If your Y-shaped tube has round holes, you need A3 shutters. If the size of your Y-shaped tube changes a few inches below the shutter, you have a one-piece V6 Y-shaped tube and you need shutter A2. Not work on V6 engines that came with the one piece manifolds ( use 807166A2 it has a flat tip ) PACKAGE Included and Replace OEM Nuber 2* Exhaust Bellow (4" Lower Tube) OEM: 32-14358, 32-14358T,31-14358001 2* EXHAUST BOOT (4" Upper Tube) OEM: 32-44348, 32-44348T, 31-44348001 2* Mercury Exhaust Flapper/Shutter 807166A1 8pcs ss316 clamps . (OEM Quality) USA Here in Stock , Ready to go out today! Package Part Same as the first picture shown . On May-10-22 at 02:02:02 PDT, seller added the following information: