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 | 97853 | Elbow; 1 " Pipe x 1 1/4" Hose, Brass, Long, 90° | 2 | 1 |
| 2 | 97852 | Adapter; 1" Pipe x 1 1/4" Hose, Brass | 0 | 1 |
| 3 | 103322 | Washer, 7/16 Lock | 2 | 2 |
| 4 | 179860 | Bolt, 7/16 -14 x 1 1/4" Hex HD (GR5) | 2 | 2 |
| 5 | 97179 | Pump Assembly, Raw Water | 1 | 1 |
| 6 | 10258 | V-Belt, Raw Water Pump | 1 | 1 |
| 7 | 97177 | Pulley, Raw Water Pump | 1 | 1 |
| 8 | 97293 | Bracket Assembly, Raw Water Pump Mounting | 1 | 1 |
| 9 | 20465 | Washer, 3/8 x 7/8 Flat | 2 | 2 |
| 10 | 103321 | Washer, 3/8 Medium Lock | 8 | 8 |
| 11 | 22249 | Bolt, 3/8 - 16 x 1" Hex HD SSTL | 2 | 2 |
| 12 | 103340 | Washer, 5/16 Flat | 4 | 4 |
| 13 | 103320 | Washer, 5/16 Medium Lock | 8 | 8 |
| 14 | 181336 | Bolt, 5/16 - 24 x 3/4" Hex HD (GR5) | 8 | 8 |
| 15 | 96972 | Hub, Water Pump | 1 | 1 |
| 16 | 20294 | Retaining Ring, Internal | 1 | 1 |
| 17 | 20292 | Ball Bearing | 1 | 1 |
| 18 | 20293 | Retaining Ring, External | 1 | 1 |
| 19 | 20304 | Shaft | 1 | 1 |
| 20 | 20295 | Shaft Key | 1 | 1 |
| 21 | 127950 | Plug, 1/8 Hex HD Pipe Brass | 2 | 2 |
| 22 | 20307 | Body Service Assembly | 1 | 1 |
| 23 | 20298 | Screw; Flat Head Machine, Brass | 1 | 1 |
| 24 | 20290 | Dowel Pin | 2 | 2 |
| 25 | 20309 | Seal & Seat Assembly | 1 | 1 |
| 26 | 20303 | Cam | 1 | 1 |
| 27 | 20300 | Impeller | 1 | 1 |
| 28 | 20302 | Gasket | 1 | 1 |
| 29 | 20308 | Cover & Bushing Assembly | 1 | 1 |
| 30 | 20305 | Washer, Lock | 4 | 4 |
| 31 | 20291 | Bolt, Hex HD | 4 | 4 |
| 32 | 179850 | Bolt 3/8- 16 x 2 3/4" Hex HD (GR5) | 3 | 3 |
| 33 | 10258 | V-Belt, (Raw Water Pump) | 1 | 1 |
| 34 | 97118 | Pulley, Crankshaft (Raw Water Pump) | 1 | 1 |
| 35 | 96745 | V-Belt; Crankshaft, Alternator & Circulation Pump | 1 | 1 |
| 36 | 39049 | Alternator Assembly (51 Amp/12 Volt) | 1 | 1 |
| 37 | 97061 | Strap, Alternator Adjusting | 1 | 1 |
| 38 | 20523 | Washer, 11/32 x 7/8" Flat | 1 | 1 |
| 39 | 179816 | Bolt, 5/16 - 18 x 3/4" Hex HD (GR5) | 1 | 1 |
| 40 | 30104 | Pulley, Crankshaft (Circulation Pump & Alternator) | 1 | 1 |
| 41 | 179893 | Bolt, 1/2- 13 x 3" Hex HD (GR5) | 1 | 1 |
| 42 | 179845 | Bolt, 3/8- 16 x 1 3/4" Hex HD (GR5) | 2 | 2 |
| 43 | 179843 | Bolt, 3/8- 16 x 1 1/2" Hex HD (GR5) | 2 | 2 |
| 44 | 97348 | Bracket, Alternator | 1 | 1 |
| 45 | 103323 | Washer, 1/2 Lock | 1 | 1 |
| 46 | 102637 | Nut, 1/2 - 13 Hex (Full) | 1 | 1 |
| 47 | 20114 | Pulley, Circulation Pump | 1 | 1 |
| 48 | 179847 | Bolt, 3/8- 16 x 2" Hex HD (GR5) | 2 | 2 |
| 49 | 97937 | Bracket, Oil Cooler Support | 1 | 1 |
| 50 | 444588 | Plug, 1/2 NPT | 1 | 1 |
| 51 | 30109 | Circulation Water Pump Assembly | 1 | 1 |
| 52 | 30177 | Nipple, Thermostat Bypass Hose | 1 | 1 |
| 53 | 30006 | Gasket, Pump to Block | 2 | 2 |
| 20310 | Minor Repair Kit, Raw Water Pump #28 & 29 | |||
| 20311 | Major Repair Kit, Raw Water Pump #17, 25, 27, 28, 29 & 55 | |||