Waltco MPF-Series Models 233/234 Liftgate Parts Diagrams | Approximate Years Pre-2000
Legacy Waltco MPF-Series Models 233/234 Light-Duty parts diagrams
Use this legacy Waltco MPF-Series Models 233/234 liftgate parts diagram page to identify OEM components, review part callouts, and verify replacement parts for pre-2000 light-duty models.
Compatibility and Purchasing Notice
Although the information on this page is taken from an OEM lift gate manual, if you're unsure whether this data matches your exact model and year, PLEASE contact our team. Part numbers can vary by year - even within the same model - and we're always happy to confirm the correct parts for you.
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PLATFORM ASSEMBLY
| Item | Qty | Part Number | Description | Actions |
|---|---|---|---|---|
| 1 | 1 | 23311000 | Main Platform | |
| 2 | 1 | 23313000 | Platform Extension | |
| 2 | 23313004 | Platform Extension with Cart Stops | ||
| 3 | 1 | 23341501 A | Stop Assembly, Curb Side | |
| 4 | 1 | 23341551 B | Stop Assembly, Driver’s Side | |
| 5 | 2 | 23341001 A,B | Cart Stop Base Assembly | |
| 6 | 2 | 23341201 A,B | Cart Stop Hinge Rod | |
| 7 | 10 | 14241601 A,B | Torsion Spring | |
| 8 | 8 | 75086857 | Bolt, 3/8-UNRC x 1” lg. | |
| 9 | 8 | 75085193 | Flexloc Nut, 3/8-16 | |
| 10 | 4 | 75086000 | Bolt, 1/4-UNRC x 5/8” lg. | |
| 11 | 4 | 75085175 | Nylon Insert Lock Nut, 1/4-20 | |
| 12 | 2 | 23313500 C | Hinge Pin | |
| 13 | 2 | 75084055 C | Cotter Pin | |
| 14 | 4 | 75088058 C | Washer, 3/4” | |
| 15 | 1 | 23317100 D | Torsion Bar | |
| 16 | 1 | 23317300 D | Torsion Bar Pivot Assembly | |
| 17 | 1 | 75087574 D | Shoulder Screw, 3/8” |
Reference Notice
Manual links are provided for reference only. If you have any doubt, contact us — we’re happy to verify parts and help you purchase with confidence.
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MOUNT FRAME ASSEMBLY
| Item | Qty | Part Number | Description | Actions |
|---|---|---|---|---|
| 1 | 1 | 23356000 | Hinge Assembly, Curb Side | |
| 1 | 1 | 23356050 | Hinge Assembly, Driver Side | |
| 2 | 2 | 21514301 | Torsion Spring | |
| 3 | 2 | 23312100 A,C | Platform Main Pin | |
| 4 | 4 | 75089542^A,B,C | Coiled Pin, ½” X 2” | |
| 5 | 4 | 23370300 A,C | Pivot Pin, 1” X 3-15/16” | |
| 6 | 12 | 75086846^A,B,C | Screw, 3/8-16 Thread Rolling | |
| 7 | 2 | 23319900 | Roller Assembly (Incl. Bearing) | |
| 8 | 14 | 85803391 B,C | Bearing | |
| 9 | 1 | 23330000 | Liftarm Assembly | |
| 10 | 8 | 75088061 | Washer, 1” | |
| 11 | 2 | 23350000 | Parallel Arm Assembly | |
| 12 | 6 | 23370600 A,C | Pivot Pin, 1” X 6-1/2” | |
| 13 | 1 | 23360000 | Stop Block Assembly, Curb Side | |
| 13 | 1 | 23360050 | Stop Block Assembly, Driver Side | |
| 14 | 2 | 23370800 A,C | Pivot Pin, 1” X 2-3/4” | |
| 15 | 1 | 23320000 | Mount Tube Assembly | |
| 16 | 2 | 23370190 | Mount Plate | |
| 17 | 1 | 80000967 | Kit, Parting Roller Replacement |
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BED EXTENSION AND LIGHT KIT OPTION
| Item | Qty | Part Number | Description | Actions |
|---|---|---|---|---|
| 1 | 1 | 22561101 D | Bed Extension Complete, 96” appl. | |
| 1 | 1 | 22561102 D | Bed Extension Complete, 102” appl. | |
| 2 | 1 | 22597051 A | Dock Bumper, L.H. For Lights(Option) | |
| 3 | 1 | 22597001 A | Dock Bumper, R.H. For Lights (Option) | |
| 4 | 1 | 22597052 B | Dock Bumper, L.H. (Option) | |
| 5 | 1 | 22597002 B | Dock Bumper, R.H. (Option) | |
| 6 | 2 | 75089374 A | Backup Light (Option) | |
| 7 | 2 | 75089373 A | ||
| 8 | 2 | 22575200 A | Harness, 2 Lamps (Option) | |
| 9 | 4 | 75089376 A | Light Grommet (Option) | |
| 10 | 4 | 22597102 A | Tail Light Bracket (Option) | |
| 11 | 8 | 75086732 A | ||
| 12 | 8 | 75085000 A | Hex Nut, #10-32 (Option) | |
| 13 | 2 | 26297600 C | Rubber Bumper (Option) | |
| 14 | 4 | 26297600 C | ||
| 15 | 4 | 75088085 C | ||
| 16 | 4 | 75088057 C | ||
| 17 | 4 | 75085012 C |
Reference Notice
Manual links are provided for reference only. If you have any doubt, contact us — we’re happy to verify parts and help you purchase with confidence.
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i
MPF HYDRAULIC & ELECTRIC LAYOUT
| Item | Qty | Part Number | Description | Actions |
|---|---|---|---|---|
| 1 | 2 | 22580050 | Hydraulic Cylinder | |
| 2 | 2 | 70160148 | Velocity Fuse | |
| 3 | 2 | 23375100 | Locking Valve Assembly | |
| 4 | 2 | 75082869 | 90° Elbow, 9/16 Flare x 9/16 O-Ring | |
| 5 | 2 | 75082614 | Nipple, ¼” X ¼” | |
| 6 | 2 | 75083039 | Adapter, ¼” NPT to 9/16” Flare | |
| 7 | 2 | 75083301 | 52” Hose Assembly, ¼” Flare Ends | |
| 8 | 2 | 75083302 | 48” Hose Assembly, 3/8” Flare Ends | |
| 9 | 3 | 75083314 | Bolt, 5/16”-18 X 1-3/8” | |
| 10 | 3 | 75083313 | Cover Plate | |
| 11 | 3 | 75083315 | Twin Hose Clamp | |
| 12 | 1 | 23320000 | Mount Tube Assembly | |
| 13 | 1 | 23323001 | Base, Pump Enclosure | |
| 14 | 3 | 75089351 | 3-Way Grommet | |
| 15 | 2 | 75089735 | Rubber Draw Latch | |
| 16 | 6.4’ | 82021054 | Seal, Pump Box Cover | |
| 17 | 5 | 75086849 | Screw, 10-24 X ½” Self Tapping | |
| 18 | 2 | 75088067 | Washer, ½” X 1-1/16” O.D. | |
| 19 | 4 | 75085096 | Hex Nut, 3/8”-16 | |
| 20 | 1 | 85803921 | Relay | |
| 21 | 1 | 23324201 | Bracket, Pump Mounting | |
| 22 | 2 | 75086059 | Hex Screw, 3/8”-16 X 1-1/4” | |
| 23 | 1 | 10195630 | Battery Cable Assembly, 30’ | |
| 24 | 1 | 23376001 | Control Harness | |
| 25 | 1 | 70423300 | Pump | |
| 26 | 4 | 75088081 | Lock Washer, 3/8” | |
| 27 | 1 | 23323103 | Cover, Pump Enclosure | |
| 28 | 2 | 22580055 | Cylinder Cover | |
| 29 | 1 | 75085005 | Nut, 3/8-16 Serrated | |
| 30 | 1 | 75088052 | Washer, 5/16 |
MPF HYDRAULIC & ELECTRIC LAYOUT (Built from 10-08)
| Item | Qty | Part Number | Description | Actions |
|---|---|---|---|---|
| 1 | 2 | 22580050 | Hydraulic Cylinder | |
| 2 | 2 | 70160148 | Velocity Fuse | |
| 3 | 2 | 23375100 | Locking Valve Assembly | |
| 4 | 2 | 75082869 | 90° Elbow, 9/16 Flare x 9/16 O-Ring | |
| 5 | 2 | 75082614 | Nipple, ¼” X ¼” | |
| 6 | 2 | 75083039 | Adapter, ¼” NPT to 9/16” Flare | |
| 7 | 2 | 75083301 | 52” Hose Assembly, ¼” Flare Ends | |
| 8 | 2 | 75083302 | 48” Hose Assembly, 3/8” Flare Ends | |
| 9 | 3 | 75083314 | Bolt, 5/16”-18 X 1-3/8” | |
| 10 | 3 | 75083313 | Cover Plate | |
| 11 | 3 | 75083315 | Twin Hose Clamp | |
| 12 | 1 | 23320000 | Mount Tube Assembly | |
| 13 | 1 | 23323001 | Base, Pump Enclosure | |
| 14 | 3 | 75089351 | 3-Way Grommet | |
| 15 | 2 | 75089735 | Rubber Draw Latch | |
| 16 | 6.4’ | 82021054 | Seal, Pump Box Cover | |
| 17 | 5 | 75086849 | Screw, 10-24 X ½” Self Tapping | |
| 18 | 2 | 75088067 | Washer, ½” X 1-1/16” O.D. | |
| 19 | 4 | 75085096 | Hex Nut, 3/8”-16 | |
| 20 | 1 | 85803921 | Relay | |
| 21 | 1 | 23324201 | Bracket, Pump Mounting | |
| 22 | 2 | 75086059 | Hex Screw, 3/8”-16 X 1-1/4” | |
| 23 | 1 | 10195630 | Battery Cable Assembly, 30’ | |
| 24 | 1 | 23376001 | Control Harness | |
| 25 | 1 | 70430440 | Pump | |
| 26 | 4 | 75088081 | Lock Washer, 3/8” | |
| 27 | 1 | 23323103 | Cover, Pump Enclosure | |
| 28 | 2 | 22580055 | Cylinder Cover | |
| 29 | 1 | 75085005 | Nut, 3/8-16 Serrated | |
| 30 | 1 | 75088052 | Washer, 5/16 |
Reference Notice
Manual links are provided for reference only. If you have any doubt, contact us — we’re happy to verify parts and help you purchase with confidence.
Have your liftgate serial number ready for faster assistance. Where to find it
ELECTRIC CONTROLS
| Item | Qty | Part Number | Description | Actions |
|---|---|---|---|---|
| 1 | 1 | 10099322 | Super Switch™ | |
| 2 | 1 | 10099325 | Super Switch™ (Hand Held Remote) | |
| 3 | 1 | 75082038 | Trailer Socket | |
| 4 | 1 | 75082037 | Trailer Plug | |
| 5 | 2 | 75086006 | Hex Bolt, ¼-20 x 1” Long, Grade 2 | |
| 6 | 2 | 75085001 | Hex Nut, ¼-20, Serrated | |
| 7 | 1 | 23376001 | Control Harness | |
| 8 | 1 | 85803921 | Relay | |
| 9 | 1 | 75082012 | Three-way Snap Plug Connector, Female | |
| 10 | 1 | 75082014 | Snap Plug Connector, Male | |
| 11 | 1 | 75089807 | Cab Shut-off Switch | |
| 12 | 1 | 75089853 | Fuse, 5 amp | |
| 13 | 1 | 75089850 | Fuse Holder | |
| 14 | 1 | 75089243 | Circuit Breaker, 150 amp | |
| 15 | 1 | 10195630 | Battery Cable, 2 ga. | |
| 16 | 1 | 10099500 | Terminal Link | |
| 17 | 1 | 10098415 | Control Cord | |
| 18 | 3 | 75088036 | Heat-shrink Tube | |
| 19 | 2 | 23375100 | Locking Valve Assembly | |
| 20 | 1 | 70423300 | Pump Assembly | |
| A | 2 | 75083310 A | Elbow, 90°, ¼” JIC Flare | |
| B | 2 | 75083316 A | Long Elbow, 90°, 3/8” JIC Flare | |
| C | 1 | 10099303 A | Power Down Module | |
| D | 1 | 70092503 A | Valve Assembly, 2-way, 2 pos w/ Coil | |
| E | 1 | 70400014 A | Valve Assembly, 4-way, 2 pos w/ Coil | |
| F | 1 | 10099400 A | Thermalpak® with Voltage Guard™ | |
| G | 1 | 75089833 A | Starter Solenoid | |
| H | 1 | 7043002-1 A | Pump Motor | |
| I | 1 | 70423301 A | Pump Reservoir | |
| J | 1 | 70091734 A | Breather | |
| K | 1 | 10195908 A | 4 Ga. x 8" Battery Cable | |
| L | 2 | 70402303 A | Coil, 10V, 25A |
ELECTRIC CONTROLS (Built from 10-08)
| Item | Qty | Part Number | Description | Actions |
|---|---|---|---|---|
| 1 | 1 | 10099322 | Switch | |
| 2 | 1 | 10099325 | Switch (Hand Held Remote) | |
| 3 | 1 | 75082038 | Trailer Socket | |
| 4 | 1 | 75082037 | Trailer Plug | |
| 5 | 2 | 75086006 | Hex Bolt, ¼-20 x 1” Long, Grade 2 | |
| 6 | 2 | 75085001 | Hex Nut, ¼-20, Serrated | |
| 7 | 1 | 23376001 | Control Harness | |
| 8 | 1 | 85803921 | Relay | |
| 9 | 1 | 75082012 | Three-way Snap Plug Connector, Female | |
| 10 | 1 | 75082014 | Snap Plug Connector, Male | |
| 11 | 1 | 75089807 | Cab Shut-off Switch | |
| 12 | 1 | 75089853 | Fuse, 5 amp | |
| 13 | 1 | 75089850 | Fuse Holder | |
| 14 | 1 | 75089243 | Circuit Breaker, 150 amp | |
| 15 | 1 | 10195630 | Battery Cable, 2 ga. | |
| 16 | 1 | 10099500 | Terminal Link | |
| 17 | 1 | 10098415 | Control Cord | |
| 18 | 3 | 75088036 | Heat-shrink Tube | |
| 19 | 2 | 23375100 | Locking Valve Assembly | |
| 20 | 1 | 70430440 | Pump Assembly | |
| A | 2 | 75083310 A | Elbow, 90°, ¼” JIC Flare | |
| B | 2 | 75083316 A | Long Elbow, 90°, 3/8” JIC Flare | |
| C | 1 | 10099312 A | Power Down Module | |
| D | 1 | 70092503 A | Valve Assembly, 2-way, 2 pos w/ Coil | |
| E | 1 | 70400014 A | Valve Assembly, 4-way, 2 pos w/ Coil | |
| F | 1 | 75089833 A | Starter Solenoid | |
| G | 1 | 7043002-1 A | Pump Motor | |
| H | 1 | 70423301 A | Pump Reservoir | |
| J | 1 | 70091734 A | Breather | |
| K | 1 | 10195908 A | 4 Ga. x 8" Battery Cable | |
| L | 2 | 70402303 A | Coil, 10V, 25A |
Reference Notice
Manual links are provided for reference only. If you have any doubt, contact us — we’re happy to verify parts and help you purchase with confidence.
Have your liftgate serial number ready for faster assistance. Where to find it
i
HYDRAULIC PUMP – 70423300, 70430440
| Item | Qty | Part Number | Description | Actions |
|---|---|---|---|---|
| 1 | 1 | 70423301 | Reservoir | |
| 2 | 1 | 70091734 | Breather Cap | |
| 3 | 1 | 70400002 | Hose Clamp | |
| 4 | 1 | 70401508 | Pump Assembly | |
| 5 | 4 | 70401509 | Socket Head Cap Screw, ¼”-20 x 3” | |
| 6 | 1 | 70091731 | Tube, Suction | |
| 7 | 1 | 70401207 | Filter Screen | |
| 8 | 1 | 70423302 | Base Assembly | |
| 9 | 1 | 70091719 | Seal | |
| 10 | 2 | 70401413 | Relief Valve | |
| 11 | 1 | 70423309 | Pressure Compensated Flow Valve | |
| 12 | 1 | 70092408 | Plug, SAE 3/4"-16 | |
| 13 | 1 | 70401204 | “O” Ring | |
| 14 | 1 | 70401507 | “O” Ring | |
| 15 | 1 | 70423303 | Nipple (Return) | |
| 16 | 1 | 70423304 | Elbow, 90° (Return) | |
| 17 | 1 | 70423305 | Nipple (Return) | |
| 18 | 1 | 7043002-1 | Motor, 12v (Super Duty) | |
| 19 | 1 | 70400014 | Valve Assembly, 4-way, 2 pos w/ Coil | |
| 20 | 1 | 70092503 | Valve Assembly, 2-way, 2 pos w/ Coil | |
| 21 | 2 | 75083316 | Elbow, 90° | |
| 22 | 2 | 75083310 | Elbow, 90° | |
| 23 | 1 | 70423306 | Connector, 6 pole | |
| 24 | 1 | 70091721 | Motor Bearing | |
| 26 | 2 | 70402029 | Hex Washer Head Screw | |
| 27 | 1 | 80001065 | Starter Solenoid Kit | |
| 28 | 1 | 10099303 | Power Down Module | |
| 29 | 1 | 75090052 | Hose Clamp | |
| 30 | 6 | 70423307 | Connector, Male 14-16 Ga. (used with 70423306) | |
| 31 | 6 | 70423308 | Seal, 16-12 Ga. (Used with 70423307) | |
| 32 | 2 | 70402303 | Coil, 10V, 25A |
22580050
| Item | Qty | Part Number | Description | Actions |
|---|---|---|---|---|
| 1 | 1 | 11394-0200 | Gland | |
| 2 | 1 | 11394-1000 | Rod Assembly | |
| 3 | 1 | 11354-1500 | Piston | |
| 4 | 1 | 11394-2000 | Barrel Assembly | |
| 5 | 1 | ----------------* | “O” Ring | |
| 6 | 1 | ----------------* | “O” Ring | |
| 7 | 1 | ----------------* | “O” Ring | |
| 8 | 1 | ----------------* | Rod Seal | |
| 9 | 1 | ----------------* | Backup Ring | |
| 10 | 1 | ----------------* | Piston Seal | |
| 11 | 1 | ----------------* | Rod Wiper | |
| 12 | 1 | ----------------* | Wear ring | |
| 13 | 1 | 4051 | Retaining Ring | |
| 14 | 2 | 4179 | Caplug | |
| 15 | 1 | 4416 | Locknut |
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Contact SupportImportant Diagram Notice
These diagrams are for reference only.
- Due to unintended occasional data alignment issues, a page table may differ slightly from the original OEM PDF.
- Please verify details against the original PDF file.
- Contact our team anytime for part number confirmation.
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