> Return to Western Plow Parts Diagrams
| Chart Reference Number | Part Description | Part Number | Order Part |
| 42345 Hydraulic Unit 42348 Hydraulic Unit Service Kit* (Not used for Central Hydraulics) |
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| (1) | Motor, 4-1/2" (quantity: 1) | 21500-1 | ORDER ONLINE |
| (2) | Breather Pressure Control (quantity: 1) | 21727-2K | CALL QTE |
| (3) | Elbow, Street 90° 3/8 M NPTF/3/8 F NPTF (quantity: 1) | 21726K | CALL QTE |
| (4)** | Sleeve Bearing & Shaft Seal Kit (quantity: 1) | 64596-1 | CALL QTE |
| (5) | Coil w/Spades (quantity: 3) | 49230K-2 | CALL QTE |
| (6) | Cartridge Valve, 4-Way w/Nut (quantity: 1) | 49229K-1 | CALL QTE |
| (7) | Relief Valve Kit (2 sets) (quantity: 1) | 49138K-3 | CALL QTE |
| (8) | Plug, Hex Socket –3 M ORB (quantity: 2) | 92960 | CALL QTE |
| (9) | O-Ring –006 (quantity: 1) | 25622 | CALL QTE |
| (10) | Back-Up Ring –006 (quantity: 1) | 56315 | CALL QTE |
| (11) | Manifold Assembly (quantity: 1) | 42346 | CALL QTE |
| (12) | Bypass Check Valve Kit (quantity: 1) | 56507 | CALL QTE |
| (13) | Elbow, 90° –6 M JIC/–6 M ORB (quantity: 3) | 56615-1 | CALL QTE |
| (14) | Poppet Check Valve Kit (quantity: 1) | 49226K | CALL QTE |
| (15) | Valve Manifold Assembly (quantity: 1) | 42347 | CALL QTE |
| (16) | Cartridge Valve, 3-Way w/Nut (quantity: 1) | 66608-1 | CALL QTE |
| (17) | Valve, 2-Way w/Nut (quantity: 1) | 49227K-2 | CALL QTE |
| (18) | Quill Assembly (quantity: 1) | 56662 | CALL QTE |
| (19) | 10-24 x 5/16 Machine Screw Slotted Hex Washer Head (quantity: 4) | 66607 | CALL QTE |
| (20)t | Pump Shaft Seal (quantity: 1) | 66515 | CALL QTE |
| (21) | O-Ring –013 (quantity: 1) | 56274 | CALL QTE |
| (22) | 5/16-18 x 2-1/4 Hex Cap Screw (quantity: 5) | 90073 | CALL QTE |
| (23) | O-Ring –014 (quantity: 1) | 56416 | CALL QTE |
| (24) | Suction Filter (quantity: 1) | 56789-3 | CALL QTE |
| (25) | O-Ring –2-250 (quantity: 1) | 66519 | CALL QTE |
| (26) | Plug, Square 3/8 NPTF (quantity: 1) | 92079 | CALL QTE |
| (27) | Plug, Hex Socket 1/4 NPTF w/Thread Sealant – SAE 130109N/P (quantity: 1) | 92095 | CALL QTE |
| (28) | Reservoir Kit (quantity: 1) | 21830 | CALL QTE |
| (29) | Return Screen Assembly (quantity: 1) | 66405 | CALL QTE |
| (30) | Hydraulic Pump Kit (quantity: 1) | 21501-1 | ORDER ONLINE |
| (31) | Magnet (quantity: 1) | 73897 | CALL QTE |
| O-Ring Service Kits | |||
| -- | O-Ring & Back-Up Ring Kit | 56657-3 | CALL QTE |
| -- | Seal Kit, 2-Way Valve | 49258-2 | CALL QTE |
| -- | Seal Kit, 3-Way & 4-Way Valve | 49259-2 | CALL QTE |
| * = Includes 42345 Hydraulic Unit and Plow-Side Electrical Components ** = Use 64589 tool for bearing sleeve replacement (includes 1 bearing). t = Use 28856 tool for pump shaft seal replacement (includes 1 seal). |
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