The Wacker Neuson Water Temperature Sender is a genuine OEM component designed for BL744ch, BL744h, BL742h, BL744c, and BL742 series backhoe loaders. As a direct factory replacement, this sender is engineered to the exact specifications Wacker Neuson requires for accurate coolant temperature monitoring on these machines. Sourcing the correct OEM part ensures the electrical signal output matches what the instrument cluster or ECM expects, keeping your temperature readings trustworthy. Confirm your model and machine number against the fitment list below before ordering to make sure is the right sender for your application.
Key Features
- Calibrated Signal Output: — Genuine OEM specification ensures the sender delivers the correct resistance-to-temperature curve, so your gauge reads accurately across the full operating range.
- Direct OEM Replacement: — Matches the original connector, thread pitch, and mounting configuration of the factory-installed sender for a straightforward swap during service.
- Broad BL-Series Compatibility: — Fits BL744ch, BL744h, BL742h, BL744c, BL744 EX, and BL742 EX backhoe loaders, covering multiple build variants within the Wacker Neuson BL series.
- Protects Engine Health: — A functioning water temperature sender gives operators and the machine's control system the data needed to catch overheating early, preventing costly engine damage.
- Genuine Wacker Neuson Quality: — Produced to OEM standards with materials rated for the thermal and vibration demands of heavy equipment engine bays, not general-purpose sensor grades.
- Electrical Safety Compliance: — Correct sender resistance values keep warning systems and any engine protection shutdowns operating as intended, which matters in high-load backhoe applications.
A water temperature sender is a small but critical sensing component threaded into the engine's coolant circuit. It measures the temperature of the coolant and converts that reading into an electrical signal — typically a variable resistance — that the dashboard gauge or engine control module uses to display coolant temperature or trigger overheat warnings. When a sender fails or drifts out of specification, operators may see inaccurate gauge readings, a stuck needle, or loss of the overheat warning function entirely, leaving the engine vulnerable to thermal damage that goes undetected until it is too late.
Part Details
| Part Number | 5100032650 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Water Temperature Sender |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| BL744ch Backhoe Loader | BL744ch | 5100031800 |
| BL744h Backhoe Loader | BL744h | 5100031801 |
| BL742h Backhoe Loader | BL742h | 5100031802 |
| BL744c Backhoe Loader | BL744c EX | 5100031803 |
| BL744 EX Backhoe Loader | BL744 EX | 5100031804 |
| Backhoe Loader | BL742 EX | 5100031805 |
| Electrical | Electrical | 5100047484 |
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.
