Interactive Parts List

PRO-PLOW® Hydraulic Unit Components

Click the image to use the Magnifier

56544 Hydraulic Unit - FloStat®

Item Part Description  
1 56608 Valve Manifold Assy FS + Add To Pick List
2 56610 Manifold Assy FS + Add To Pick List
3 49138K-3 Relief Valve Kit – 2 Sets + Add To Pick List
4 56507 Bypass Check Valve Assy + Add To Pick List
5 66509 Quill Assy + Add To Pick List
6 56662 Quill Assy + Add To Pick List
7 49226K Poppet Check Valve Kit + Add To Pick List
8 66515* Pump Shaft Seal
* Use 28856 tool for pump shaft seal replacement (tool includes 1 seal).
+ Add To Pick List
10 66607 10-24 x 5/16 Machine Screw + Add To Pick List
12 92960 Plug, Hex Socket –3 M ORB + Add To Pick List
13 49227K-2 Cartridge 20 w/Jam Nut + Add To Pick List
14 66608-1 Cartridge 31 w/Jam Nut + Add To Pick List
15 49229K-1 Cartridge 40 w/Jam Nut + Add To Pick List
16 49230K-2 Coil w/Spade Terminals + Add To Pick List
17 21394 Cover Assy + Add To Pick List
18 56580K Screw, Standoff + Add To Pick List
19 25622 O-Ring – 006 + Add To Pick List
20 55371 O-Ring – 008 + Add To Pick List
21 25731 O-Ring – 010 + Add To Pick List
22 56274 O-Ring – 013 + Add To Pick List
23 66519 O-Ring 2 – 250 + Add To Pick List
24 26784 O-Ring – 903 + Add To Pick List
25 56315 Back-Up Ring – 006 + Add To Pick List
26 21500-1 Motor Assy 4-1/2 – FS + Add To Pick List
27 - Hex Cap Screw + Add To Pick List
28 - Spring Lock Washer + Add To Pick List
29 - Fiber Thrust Washer + Add To Pick List
30 21830 Reservoir Kit + Add To Pick List
31 92079 Plug, Square 3/8 NPTF + Add To Pick List
32 92095 Plug, Hex Socket 1/4 NPTF w/ Thread Sealant – SAE 130109N/P + Add To Pick List
33 73897 Magnet + Add To Pick List
34 21501-1 Hydraulic Pump Kit – FS + Add To Pick List
35 66763-1 Inlet Fitting/Filter Kit + Add To Pick List
36 56789-3 Suction Filter + Add To Pick List
37 90073 5/16-18 x 2-1/4 Hex Cap Screw G5 + Add To Pick List
39 21727-2K Breather, Pressure Control + Add To Pick List
40 21726K Elbow, Street 90° 3/8 M NPTF/3/8 F NPTF + Add To Pick List
41 66405 Return Screen Assy + Add To Pick List
43 56416 O-Ring – 014 + Add To Pick List
44 64596-1** Bearing Sleeve Replacement Kit
** Use 64589 tool for bearing sleeve replacement (tool includes 1 bearing).
+ Add To Pick List
ns 56657-3 O-Ring & Back-Up Ring Kit – SOL + Add To Pick List
ns 49258-2 Seal Kit – Cartridge 20 + Add To Pick List
ns 49259-2 Seal Kit – Cartridge 30, 31, 33, 40 and 43 + Add To Pick List

64596-1 Bearing Sleeve Replacement Kit

Item Part Description  
8 66515* Pump Shaft Seal
*Use 28856 tool for pump shaft seal replacement (tool includes 1 seal.)
+ Add To Pick List
44 ** Bearing Sleeve Replacement Kit
**Use 64589 tool for bearing sleeve replacement (tool includes 1 bearing.)
+ Add To Pick List
22 56274 O-Ring - 013 + Add To Pick List
23 66519 O-Ring 2 - 250 + Add To Pick List

56657-3 O-Ring & Back Up Ring Kits - SOL

Item Part Description  
19 25622 O-Ring – 006 + Add To Pick List
25 56315 Back Up Ring – 006 + Add To Pick List
20 55371 O-Ring – 008, 90 Durometer + Add To Pick List
ns 66628 Back Up Ring – 008 + Add To Pick List
21 25731 O-Ring – 010 + Add To Pick List
ns 66627 O-Ring – 011 + Add To Pick List
ns 25730 O-Ring – 012 + Add To Pick List
22 56274 O-Ring – 013 + Add To Pick List
43 56416 O-Ring – 014 + Add To Pick List
ns 25620 O-Ring – 115 + Add To Pick List
ns 25618 O-Ring – 216 + Add To Pick List
ns 66028 O-Ring – 226 + Add To Pick List
23 66519 O-Ring 2 – 250 + Add To Pick List
24 26784 O-Ring – 903 + Add To Pick List
ns 56569 O-Ring – 906 + Add To Pick List
ns 56776 O-Ring – 008, 70 Durometer, Red + Add To Pick List