The Wacker Neuson Oil Pressure Sender is a genuine OEM component designed for the APT6S, APT6T, APT8S, and APT8T portable water pump series, including standard, cold weather, surge brake, and electric brake configurations. As a direct factory replacement, this sender matches the original electrical specifications and thread fitment, ensuring accurate oil pressure readings from the moment it is installed. Sourced directly from Wacker Neuson, part is the correct choice for operators who need a dependable, like-for-like replacement without guesswork. Compatible coverage spans twelve pump configurations across the APT6 and APT8 families, making this a versatile stocking part for rental fleets and service operations.
Key Features
- OEM-Spec Electrical Output — Manufactured to the original signal and resistance specifications, so your gauge or warning system reads accurately every time.
- Direct Thread-In Replacement — Matches the original port thread size and connector type for a straightforward swap with no adapter or rework needed.
- Broad APT Series Coverage — Fits twelve pump configurations across the APT6S, APT6T, APT8S, and APT8T families, including standard and cold weather variants with surge or electric brakes.
- Protects the Engine from Low-Oil Damage — A correctly functioning sender triggers the low-oil shutdown before critical engine damage can occur; a failed sender leaves that protection inactive.
- Safety-Critical Sensor — Oil pressure monitoring is a primary engine protection system on these pumps; using a genuine OEM sender ensures the shutdown circuit operates within its designed parameters.
The oil pressure sender monitors the lubrication pressure inside the engine and relays that signal to the machine's warning or shutdown system. When oil pressure drops below a safe threshold — due to low oil level, a leak, or pump wear — the sender triggers an alert or automatic shutdown to prevent catastrophic engine damage. If the sender fails or sends an inaccurate signal, the engine loses this layer of protection entirely, which can result in seizure or costly internal damage before any visible warning appears.
Part Details
| Part Number | 5100036805 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Oil Pressure Sender |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| APT6S Pump w/Skid | APT6S | 5200018982 |
| APT6T Pump, Surge Brake | APT6T | 5200019646, 5200019647 |
| APT6T Pump, Surge Brake, Cold Weather | APT6T CW | 5200019794, 5200019795 |
| APT8S Pump w/Skid | APT8S | 5200018987 |
| APT8T Pump, Surge Brake | APT8T | 5200019648, 5200019649 |
| APT8T Pump, Surge Brake, Cold Weather | APT8T CW | 5200019796, 5200019797 |
| APT6S Pump w/Skid, Cold Weather | APT6S CW | 5200019799 |
| APT8S Pump w/Skid, Cold Weather | APT8S CW | 5200019800 |
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.
