The Wacker Neuson Coolant Level Sensor is a genuine OEM component designed for Wacker Neuson G-Series portable generators and LTW20Z light towers. As a direct OEM replacement, this sensor is built to the exact specifications used in original production, ensuring correct signaling behavior within the engine protection system. It is confirmed to fit a wide range of G-Series models including the G25, G50, G70, G85, G100, G120, G125, G150, G180, and G240, as well as LTW20Z1 and LTW20Z3 light towers across standard, cold weather, custom, and extended-run configurations.
Key Features
- Correct Signal Output for Engine Protection — As a genuine OEM sensor, the 5000159429 meets the exact resistance and activation thresholds required by the engine control system to trigger low-coolant alerts accurately.
- Direct Plug-In Replacement — Engineered to match the original mounting thread, connector, and probe geometry, allowing straightforward installation into the coolant reservoir or engine block port without modification.
- Broad G-Series and LTW20Z Coverage — Fits G25 through G240 mobile generators across multiple configuration variants, plus LTW20Z1 and LTW20Z3 light towers, making this a high-utility stocking part for mixed fleets.
- Guards Against Costly Overheating Events — A functioning coolant level sensor enables the engine to shut down or alarm before coolant loss causes head gasket failure, warped heads, or seized components — failures far more expensive than sensor replacement.
- Sourced from Wacker Neuson's Authorized Parts Supply Chain — Supplied as genuine OEM, this sensor carries the same part number and quality traceability as the component installed at the factory.
The coolant level sensor monitors the amount of coolant present in the engine's cooling system and sends a signal to the machine's control circuit when the level drops below a safe operating threshold. This triggers a warning or automatic shutdown, preventing the engine from running hot without adequate coolant — a condition that can rapidly cause severe internal engine damage. When the sensor fails or reads inaccurately, the machine may run unprotected against low coolant, or conversely, may trigger false shutdowns that interrupt power delivery on the jobsite.
Part Details
| Part Number | 5000159429 |
|---|---|
| Old Part Number | 0159429 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Coolant Level Sensor |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Skid-mounted Mobile Generator, Custom | G70 | 5000620352, 5000620351, 5000009468, 5000620002, 5000620648, 5000620647, 5000620711, 5000620646, 5200001318, 5200003220, 5200006879, 5200014464, 5200014465, 5200008344, 5200008342, 5200008343, 5200008339, 5200008341, 5200008340, 5000009464, 5000009478, 5100025814, 5100025838 |
| Skid-mounted Mobile Generator | G50 | 5000009467, 5000620001, 5200001062, 5200001063, 5200006878, 5200001317, 5200001061, 5200014322, 5200014319, 5200014320, 5200014323, 5200017829, 5200022589, 5100042434, 5200017830, 5100042430, 5100042435, 5000620710, 5100045494, 5000620964, 5000620965, 5000620966, 5100042431, 5100042433, 5100045085, 5100045493, 5100042432, 5000009463, 5000009477, 5100025812, 5100029210, 5100026955, 5100026956 |
| Mobile Generator, Custom | G25 | 5000620346, 5000620345, 5000620642, 5000009466, 5000620004, 5000620709, 5000620641, 5200003991, 5000620931, 5200009372, 5200009376, 5200009370, 5200009371, 5200009373, 5200009377, 5200014461, 5200009375, 5200009374, 5200014462, 5000621005, 5100041584, 5200022587, 5100045084, 5100041580, 5100041592, 5100017591, 5100022834, 5100041581, 5100041582, 5100041583, 5100045541, 5100045542, 5100050326, 5000009462, 5000009476, 5100042510, 5100042512, 5100042509, 5100025836, 5100042508 |
| Mobile Generator | G85 | 5000009459, 5000620003, 5000009465 |
| Mobile Generator (Cold Weather ) | G120 | 5000620291, 5000620292, 5000620654, 5000620653, 5200001320, 5200006901, 5200003159, 5200014467, 5200014468, 5000620311, 5000620310, 5200008353, 5200008350, 5200008351, 5100025818, 5100025840 |
| Mobile Generator (custom) | G160 | 5000620069, 5000620070 |
| G100-GENERATOR, SKID, CUSTOM, DEERE T3 | G100 | 5000620651, 5000620650, 5200001319, 5200003158, 5200006900, 5000620313, 5000620314, 5200008348, 5200008346, 5200008347, 5100025816, 5100026958, 5100026959, 5100029211 |
| G150-GENERATOR, SKID, CUSTOM, DEERE T3 | G150 | 5000620657, 5200001321, 5200006902, 5000620656, 5200003160, 5000620307, 5000620308, 5200025554, 5100026981, 5100026982, 5100029212, 5100025830 |
| G180-GENERATOR, SKID, CUSTOM, DEERE T3 | G180 | 5000620660, 5200001322, 5200006903, 5000620659, 5200003161, 5000620304, 5000620305, 5200014470, 5200014471, 5200025555, 5100025832, 5100025842 |
| G240-GENERATOR, SKID, CUSTOM, DEERE T3 | G240 | 5000620663, 5200001323, 5200006904, 5000620662, 5200003162, 5000620301, 5000620302, 5200025556, 5100025834 |
| LTW20Z1, LED | LTW20Z1 | 5100051572, 5100051571, 5200014324, 5200014326, 5200018239, 5200014328 |
| Mobile Generator (custom) | G125 | 5000620067, 5000620068 |
| LTW20Z-3 Light Tower, Standard T4 | LTW20Z3 | 5200014325, 5200014327, 5200023604, 5200014329 |
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.
