The Wacker Neuson is a genuine OEM Diode Assembly designed for the G-Series portable and skid-mounted mobile generator lineup. As a direct OEM replacement sourced through the Wacker Neuson parts network, this assembly meets the original electrical specifications required to keep your generator's charging and output system operating correctly. It is compatible with an extensive range of G-Series generators, including G25, G50, G70, G85, G100, G120, G125, G150, G180, and G240 models across standard, cold weather, custom, and extended run tank configurations. When you need a verified replacement for your Wacker Neuson generator, part is the correct OEM solution.
Key Features
- OEM-Matched Electrical Specification — Manufactured to the original rectification and voltage rating for G-Series generator alternator systems, ensuring correct current flow without risk of under- or over-voltage conditions.
- Drop-In Electrical Replacement — Connects directly to the existing alternator harness and mounting points; no re-wiring or adapter hardware required.
- Broad G-Series Compatibility — Fits G25, G50, G70, G85, G100, G120, G125, G150, G180, and G240 mobile generators across skid-mounted, cold weather, custom, and extended run configurations.
- Protects Generator Output Integrity — A failed diode allows AC current to leak into the DC output circuit, causing erratic voltage, equipment damage, or complete loss of usable power; replacing it restores stable, clean DC output.
- Electrical Safety Compliance — Using the correct OEM-rated diode assembly prevents uncontrolled current reversal that can damage connected load equipment and pose a hazard to operators.
A diode assembly in a generator converts the alternating current (AC) produced by the alternator into the direct current (DC) used to charge the battery and power onboard controls. It acts as a one-way gate for electrical current, allowing flow in only one direction and blocking reverse current that would otherwise damage the system. When a diode fails — either shorted or open — the generator may produce fluctuating output voltage, fail to charge, or shut down entirely under load, making prompt replacement essential to restore reliable power delivery.
Part Details
| Part Number | 5000154349 |
|---|---|
| Old Part Number | 0154349 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Diode Assembly |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Skid-mounted Mobile Generator, Custom | G70 | 5000620352, 5000620350, 5000620351, 5000009367, 5000009468, 5000620002, 5000620648, 5000620647, 5000620711, 5000620646, 5200006879, 5000009260, 5000620708, 5200008342, 5200008339, 5200008341, 5200008340, 5000009464, 5200001318, 5200008344, 5000009478, 5100025814, 5200003220, 5200008343 |
| Skid-mounted Mobile Generator | G50 | 5000009467, 5000009366, 5000620001, 5200001062, 5200001063, 5200006878, 5200001060, 5200001061, 5200014322, 5000009259, 5200014319, 5200014320, 5200014323, 5000620707, 5200017829, 5200022589, 5200017830, 5000620710, 5000620964, 5000620965, 5000620966, 5000009463, 5000009477, 5200001317, 5100025812, 5100026954, 5100029210, 5100026955, 5100026956 |
| Mobile Generator, Custom | G25 | 5000620346, 5000620344, 5000620345, 5000620642, 5000009466, 5000620004, 5000620640, 5000620709, 5000620641, 5000009368, 5200003991, 5000620931, 5200001316, 5200014461, 5000009258, 5200014460, 5200014462, 5200005557, 5000621005, 5000620706, 5100022834, 5000009462, 5000009476, 5100025836 |
| Mobile Generator | G85 | 5000009459, 5000620003, 5000009369, 5000009310 |
| Mobile Generator (Cold Weather ) | G120 | 5000620291, 5000620290, 5000620292, 5000620654, 5000620653, 5200001320, 5000620652, 5200006901, 5200003159, 5200014467, 5200014468, 5000620311, 5200014466, 5000620309, 5000620310, 5200008353, 5200008350, 5200008351, 5200008349, 5100025818, 5100025840 |
| Skid-mounted Mobile Generator | G160 | 5000009306, 5000620069, 5000620070 |
| G100-GENERATOR, SKID, CUSTOM, DEERE T3 | G100 | 5000620651, 5000620650, 5200001319, 5000620649, 5200003158, 5200006900, 5000620312, 5000620313, 5000620314, 5200008348, 5200008346, 5200008347, 5200008345, 5100025816, 5100026957, 5100026958, 5100026959, 5100029211 |
| G150-GENERATOR, SKID, CUSTOM, DEERE T3 | G150 | 5000620657, 5200001321, 5200006902, 5000620656, 5000620306, 5000620655, 5200003160, 5000620889, 5000620307, 5200007860, 5000620308, 5000620887, 5000620888, 5200014784, 5100026980, 5100026981, 5100026982, 5100029212, 5100025830 |
| G180-GENERATOR, SKID, CUSTOM, DEERE T3 | G180 | 5000620660, 5200001322, 5200006903, 5000620303, 5000620658, 5000620659, 5200003161, 5000620886, 5000620884, 5200007861, 5000620304, 5000620885, 5000620305, 5200014470, 5200014471, 5200014469, 5100025832, 5100025842 |
| Mobile Generator | G240 | 5000620300, 5000620301, 5000620302 |
| Mobile Generator (custom) | G125 | 5000620067, 5000620068, 5000009261 |
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.
