The Wacker Neuson Oil Alert Switch Assembly is a genuine OEM component designed for a broad range of Wacker Neuson equipment, including CT walk-behind concrete trowels, VP and WP single-direction vibratory plates, BPU reversible vibratory plates, PT and PDT trash pumps, GP and GV portable generators, and internal vibrator power units. Sourced directly from Wacker Neuson, this assembly matches the exact specifications of the original part, ensuring seamless integration without guesswork. It fits an extensive list of CT, VP, WP, WPU, BPU, PT, PDT, PDI, PG, GP, GV, AP, RS, HP, and SP series models. When it comes to engine protection, trusting a genuine OEM part is the straightforward choice.
Key Features
- Genuine OEM Engine Protection: — Built to the exact switching threshold Wacker Neuson specifies for low-oil shutoff, ensuring the engine cuts out before oil starvation causes internal damage.
- Direct Drop-In Fit: — Designed to connect to the original wiring harness and mounting point without adaptation, maintaining correct circuit continuity across all listed models.
- Wide Cross-Family Compatibility: — A single assembly covering CT concrete trowels, VP/WP/WPU/BPU vibratory plates, PT/PDT/PDI/PG trash pumps, GP/GV generators, AP battery-assist plates, and HP/SP screed power units.
- Prevents Costly Engine Failures: — A worn or failed oil alert switch will not trigger shutdown during a low-oil condition, leaving the engine exposed to seizure; this genuine replacement restores that critical last line of defense.
- Safety-Critical Electrical Component: — As a primary engine-protection device, using a correctly rated OEM switch ensures the shutoff circuit operates within the electrical tolerances the engine management system expects.
The oil alert switch assembly monitors the engine's oil level and triggers an automatic shutdown when oil pressure or level drops below a safe threshold. This protects the engine from running dry — a condition that can cause rapid internal wear or catastrophic seizure in a matter of seconds. When the switch fails or degrades, the safety shutoff is effectively disabled, leaving the engine vulnerable during normal operation; replacing it promptly with a correctly spec'd assembly restores full protection.
Part Details
| Part Number | 5000072331 |
|---|---|
| Old Part Number | 0072331 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Oil Alert Switch Assembly |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| CT36-5A Trowel | CT36-5A | 5000009438, 5200016256 |
| G 7AI | G7AI | 5000009104 |
| CT36-5A | CT36-5A EU | 5000620829 |
| CT36-5A-C Trowel | CT36-5A-C | 5000620040 |
| GP2500A | GP2500A | 5000620128, 5200002844, 5000620009 |
| 50mm/2in Diaphragm Trash Pump | PDT2A | 5000007610, 5000007611 |
| 75mm/3in Diaphragm Trash Pump | PDT3A | 5000007614, 5000007615, 5000007616 |
| 50mm/2in Inline Diaphragm Tras h Pump | PDI2A | 5000007624, 5000007625 |
| 75mm/3in Inline Diaphragm Tras h Pump | PDI3A | 5000007628, 5000007629, 5000009407 |
| PT2A | PT2A | 5000009095, 5000009237, 5000009092, 5000006720, 5000006721, 5100058524, 5100058525 |
| PG2A | PG2A | 5000007658, 5000009054 |
| PG3A | PG3A | 5000007659, 5000009055 |
| CT24-4A Trowel | CT24-4A | 5000620105 |
| 610mm/24 inch Walk-behind Trow el | CT24-4A EU | 5000620849 |
| Vibratory Plate, 15kN, 400mm/1 5.5in | WP1540AW | 5000008060, 5000009545, 5000009472, 5000630045 |
| Vibratory Plate, 15 kN, 500mm/ 19.5in | WP1550AW | 5000007576, 5000009546, 5000630043, 5000009486 |
| WP1540A VIBROPLATE | WP1540A | 5000008061, 5000630017, 5000630046 |
| WP1550A Single Direction Vibratory Plate | WP1550A | 5000007579, 5000630019, 5000630044 |
| 915mm/36in CE Walk-behind Trow el | CT36ADP | 5000007592, 5000007591 |
| 915mm/36in CE Walk-behind Trow el | CT36ADP-E | 5000008034, 5000007697 |
| 762mm/30in CE Walk-behind Trow el | CT30AGT-E | 5000007589, 5000008004 |
| 762mm/30in CE Walk-behind Trow el | CT30AGT | 5000008006, 5000008003 |
| 762mm/30in CE Walk-behind Trow el | CT30ADT | 5000008005, 5000008001, 5000008197 |
| 915mm/36in CE Walk-behind Trow el | CT36ADT-E | 5000007590, 5000008008, 5000008226 |
| 915mm/36in CE Walk-behind Trow el | CT36ADT | 5000008013, 5000008007, 5000008198, 5000008225, 5000009480 |
| VP1135AW VIBROPLATE | VP1135AW | 5000009058, 5000630060 |
| VP1550AW VIBROPLATE | VP1550AW | 5000009028, 5000630055 |
| VP1340AW VIBROPLATE | VP1340AW | 5000009032, 5000630058 |
| VP1135A VIBROPLATE | VP1135A | 5000009057, 5000630059 |
| VP1550A Single Direction Vibratory Plate | VP1550A | 5000009027, 5000630054 |
| VP2050A VIBROPLATE | VP2050A | 5000009087, 5000630062 |
| WPU1550A | WPU1550A | 5000630033, 5100071592 |
| WPU1550Aw | WPU1550Aw | 5000630034 |
| Gasoline Power Unit for Intern al Vibrator | A3000 | 5000006237 |
| Vibratory Plate | VPA1740 | 5000006794, 5000008062 |
| Vibratory Plate 587mm/18in | VPG165A | 5000008038 |
| 50Hz Portable Generator | G2.1AE | 5000008250, 5000008244, 5000008246, 5000008248 |
| HP50A | HP50A | 5000009508 |
| WPP 1550Aw | WPP1550Aw | 5000630030 |
| Vibratory Plate | VPA1750 | 5000006792 |
| 762mm/30in CE Walk-behind Trow el | CT30ADT-E | 5000007587, 5000008002 |
| Vibratory Plate 587mm/18in | VPG170A | 5000008039 |
| 50Hz Portable Generator | G2.1A | 5000008249, 5000008243, 5000008245, 5000008247 |
| Single Direction Plates | AP1550AW | 5000009540 |
| Single direction vibratory plate WP1235A | WP1235A | 5000630016 |
| WPP 1540A | WPP1540A | 5000630025 |
| WPP 1550A | WPP1550A | 5000630029 |
| Portable Generator | G2.5A | 5000007188, 5000009256 |
| 50Hz Portable Generator | G5.7AE | 5000009017 |
| Vibratory Truss Screed, Power Section | HP100A | 5000009506 |
| WP 2050A | WP2050A | 5000630022 |
| WPP 1540Aw | WPP1540Aw | 5000630026 |
| HPG50A | HPG50A | 5000009509 |
| Single Direction Plates | AP1550A | 5000009539 |
| VP1550AW/WH | VP1550AW/WH | 5000630373 |
| Single Direction Plates | WP1235Aw | 5000630103 |
| Single Direction Plates | WP1235Aw-L | 5000630104, 5000630105 |
| Single Direction Plates | WP1235Aw-LL | 5000630122 |
| VP2050AW VIBROPLATE | VP2050AW | 5000009510 |
| Single Direction Plates | AP1135A | 5000009519 |
| Single Direction Plates | WP1550Aw | 5000630112 |
| Single Direction Plate | WP2050Aw | 5000630115 |
| Single Direction Plates | WP1540Aw-L | 5000630123 |
| Reversible Plates | WPU 1550A-L | 5000630124 |
| Single Direction Plates | WP1550Aw-L | 5000630126 |
| VP1340AW/WH | VP1340AW/WH | 5000630374 |
| WPU1550AW-US | WPU1550AW-US | 5100069715 |
| WPU1550Aw | WPU1550AW | 5100071591 |
| Vibratory Plate 500mm/19.5in | VPA1350W | 5000006793 |
| Single Direction Plates | WP1540Aw | 5000630106 |
| WPU1550A-US | WPU1550A-US | 5100069716 |
| Vibratory Plate 400mm/15.5in | VPA1340 | 5000007154 |
| BPU2540A | BPU 2540A | 5000008758 |
| Gasoline Power Unit for Intern al Vibrator | A5000 | 5000009213 |
| 50Hz Portable Value Generator | GV2500A | 5000009355, 5000009360, 5000620542, 5000620286 |
| Single Drum Vibratory Roller | RS600A | 5000630010 |
| Single direction vibratory plate VP1340A | VP1340A | 5000630057 |
| Single Direction Plates | WP2050Aw-L | 5000630125 |
| Reversible Vibratory Plate, 24 kN, 40cm/16in | BPU 2440A | 5000007867, 5000007869 |
| Vibration Plate BPU 2450A | BPU 2450A | 5000007868 |
| Vibratory Truss Screed, Power Section | HP100 | 5000008291 |
| Vibratory Truss Screed, Power Section | HP50 | 5000008292 |
| Vibratory Truss Screed, Power Section | SP75 | 5000008295 |
| Vibratory Truss Screed, Power Section | SP50 | 5000008296 |
| HPG100A | HPG100A | 5000009507 |
| Modular Internal Vibrators | D3.5A3 | 5100072402 |
| Modular Internal Vibrators | D3.5A2 | 5100072405 |
| BT24A | BT24A | 5100081469 |
| BT36A | BT36A | 5100081470 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
