Keep Your Crusader Engine Running Strong with Genuine or OEM-Grade Parts from...
Mark-4 Block With 2-Piece Rear Seal
Serial #'s up to 88710

| Ref # | Part # | Description | Quantity | |
| LH | RH | |||
| 1 | 444709* | Plug; Square Socket, 1" NPT Pipe | 2 | 2 |
| 2 | 97992 | Exhaust Manifold - Starboard (RH) | 1 | 1 |
| 2 | 97993 | Exhaust Manifold - Port (LH) | 1 | 1 |
| 3 | 96653 | Gasket, Exhaust Manifold | 2 | 2 |
| 4 | 97854 | Elbow; 1" Pipe, Brass, Short 90° | 2 | 2 |
| 5 | 20271 | Bolt, 3/8 - 16 X2 3/4" Hex HD SSTL | 2 | 2 |
| 6 | 116103 | Washer; 3/8 Copper, Flat | 4 | 4 |
| 7 | 96144 | Elbow; Water Inlet, Exhaust Manifold | 2 | 2 |
| 8 | 96216 | Gasket; Water Inlet, Elbow, Exhaust Manifold | 2 | 2 |
| 9 | 96339 | Plug; 3/4 Brass, Tapped, Pipe | 2 | 2 |
| 10 | 103321 | Washer, 3/8 Medium Lock | 16 | 16 |
| 11 | 179841 | Bolt, 3/8 - 16 X 1 1/4" Hex HD (GR5) | 8 | 8 |
| 12 | 20244 | Core Plug, 1 1/4" SSTL (Cupped) | 6 | 6 |
| 13 | 97114 | Exhaust Manifold - Starboard | 1 | 1 |
| 13 | 97115 | Exhaust Manifold - Port | 1 | 1 |
| 14 | 96562 | Gasket; Exhaust Elbow, 1 Hole | 2 | 2 |
| 15 | 97924 | Exhaust Elbow; 4" Outlet, Raw Water | 2 | 2 |
| 16 | 113186 | Plug; 3/4 NPT Pipe, Square Socket | 2 | 2 |
| 17 | 127951 | Plug; 1/4 Hex HD Brass Pipe | 2 | 2 |
| 18 | 20257 | Ferry Cap; 3/8 - 16 X 1 1/4", (12 Point) | 8 | 8 |
| 19 | 1104485 | Cover, Exhaust Manifold | 2 | 2 |
| 20 | 20272 | Bolt, 3/8 - 16 X 1 1/4" Hex HD SSTL | 2 | 2 |
| 21 | 96560 | Exhaust Elbow; 3" Outlet, Raw Water | 2 | 2 |