The Wacker Neuson 5000163200 Radiator Cap is a genuine OEM component designed for the G25, G50, G70, and G85 mobile generator series, as well as LTW6K, LTW8K, LTW20Z1, and LTW20Z3 light tower series. As a direct OEM replacement, part 5000163200 is produced to the same specifications as the original, ensuring a correct, trouble-free installation on every covered configuration — including standard, cold weather, extended run, and custom variants. This cap covers an exceptionally broad fitment range across Wacker Neuson's portable power and lighting product lines, making it a smart stock item for dealers and fleet operators alike. Confirm your model number against the fitment list before ordering to ensure compatibility with your specific machine configuration.
Key Features
- Genuine OEM Pressure Rating — Manufactured to the original pressure specification for this cooling system, ensuring the cap opens and seals at exactly the right threshold — not too early, not too late.
- Drop-In Installation — Threads directly onto the original radiator filler neck with no modifications; sealing gasket and valve geometry match the OEM opening exactly.
- Broad Generator and Light Tower Coverage — Fits G25, G50, G70, and G85 mobile generator series and LTW6K, LTW8K, LTW20Z1, and LTW20Z3 light tower series across standard, cold weather, extended run, and custom configurations.
- Coolant System Integrity — A correctly rated cap maintains proper system pressure, raising the boiling point of the coolant and preventing overheating during sustained load operation on generators and light towers.
- Fuel and Coolant Safety — A failed or incorrect radiator cap can cause sudden coolant release under pressure; using the correct OEM-rated cap eliminates that risk on powered equipment operating in close proximity to personnel.
The radiator cap seals the cooling system and regulates internal pressure by holding coolant under a calibrated pressure range. When the system pressure exceeds the cap's rated threshold, the pressure valve opens to release excess coolant into the overflow reservoir, then draws it back as the engine cools. This pressure cycle raises the effective boiling point of the coolant, allowing the engine to run at a higher, more efficient operating temperature without boiling over. A worn, cracked, or incorrect cap loses its ability to hold pressure, which leads to coolant loss, overheating, and potential engine damage — issues that are especially costly in remote power generation and lighting applications where machine downtime directly impacts site operations.
Part Details
| Part Number | 5000163200 |
|---|---|
| Old Part Number | 0163200 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Radiator Cap |
Compatibility & Fitment
| Name | Models | Machine Number |
|---|---|---|
| Light Tower | LTW6K-V | 5200012864, 5200012882, 5200012868 |
| Light Tower | LTW8K-V | 5200012869, 5200012883, 5200012865 |
| Light Tower | LTW20Z1-V | 5200012884, 5200012880, 5200012866 |
| Light Tower | LTW20Z3-V | 5200012885, 5200012881, 5200012867, 5200022694 |
| LTW6K Light Tower, Standard T4 | LTW6K | 5000620372, 5000620840, 5200004094, 5200024870 |
| LTW6K-V S Light Tower, Cold Weather T4 | LTW6K-V S | 5200018563, 5200018555, 5200024873, 5200018559 |
| LTW8K Light Tower, Standard T4 | LTW8K | 5000620374, 5000620841, 5200004204, 5200004095, 5200024871, 5200023190 |
| LTW8K-V S Light Tower, Cold Weather T4 | LTW8K-V S | 5200018564, 5200023194, 5200018556, 5200024874, 5200018560, 5100015095, 5100022084 |
| LTW20Z-1, LIGHT TOWER 60Hz, ISUZU, CUSTOM, T4i | LTW20Z1 | 5000620842, 5000620375, 5200004205, 5200004096, 5200023191, 5200024872 |
| LTW20Z-3, LIGHT TOWER 60HZ, ISUZU TIER 4i | LTW20Z3 | 5000620376, 5000620843, 5200003583, 5200004097, 5200023192 |
| LTW20Z1-V S LIGHT TOWER, COLD WEATHER, T4i | LTW20Z1-V S | 5200018565, 5200018561, 5200024875, 5200018557, 5200023195, 5100015093, 5100022125 |
| LTW20Z3-V S LIGHT TOWER, COLD WEATHER, T4i | LTW20Z3-V S | 5200018566, 5200018562, 5200023196, 5200018558, 5100015094, 5100022126 |
| Mobile Generator | G85 | 5000009459, 5000620003, 5000009369 |
| Mobile Generator, Custom | G25 | 5000620346, 5000620344, 5000620345, 5000620642, 5000009466, 5000620004, 5000620709, 5000620640, 5000620641, 5000009368, 5200005557, 5200003991, 5000620931, 5200001316, 5200009376, 5200009372, 5200009370, 5200009371, 5200009373, 5200014461, 5200014460, 5200014462, 5000621005, 5100045084, 5000008228, 5100041592, 5100041580, 5000620706, 5100041583, 5100045542, 5100045541, 5100022834, 5100041581, 5100041582, 5100050326, 5100042507, 5100042510, 5100042512, 5100042509, 5100025836, 5100042508 |
| Mobile Generator, Skid Mounted | G12 | 5000008227 |
| Skid-mounted Mobile Generator | G50 | 5000009467, 5000620001, 5000009366, 5200001062, 5200006878, 5200001063, 5200001317, 5200001060, 5200001061, 5000620707, 5000620710, 5000620965, 5000620964, 5000620966, 5100025812, 5100029210, 5100026954, 5100026956, 5100026955 |
| Skid-mounted Mobile Generator, Custom | G70 | 5000620352, 5000620350, 5000620351, 5000620002, 5000009468, 5000009367, 5000620648, 5000620647, 5000620711, 5000620646, 5200001318, 5200003220, 5200006879, 5200014464, 5200014463, 5000620708, 5200014465, 5200008344, 5200008343, 5200008342, 5200008339, 5200008341, 5200008340, 5100025814, 5100025838 |
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.
