The Wacker Neuson Radiator is a genuine OEM component designed for G40 and G50 series portable generators. Sourced directly from Wacker Neuson, this radiator is the factory-specified cooling system part for these generator models, including standard, mobile, and premium variants across multiple regional configurations. As a genuine OEM part, it carries the exact dimensions, coolant port alignment, and material construction specified at the time of manufacture. Compatible models include the G40 and G50 generator families across both 50Hz and 60Hz configurations.
Key Features
- OEM-Grade Cooling Capacity — Engineered to the same heat-rejection specification as the original unit, ensuring the engine stays within safe operating temperature ranges under full generator load.
- Direct-Mount Replacement — Matches original coolant inlet and outlet port positions and mounting bracket locations, allowing straightforward removal and reinstallation without modification to hoses or hardware.
- Broad G-Series Fitment — Confirmed fit across G40 and G50 generator variants, including standard, mobile, and premium configurations for North American and LATAM markets.
- Prevents Overheating and Power Loss — A degraded or leaking radiator causes coolant loss and engine overtemperature shutdowns; this genuine replacement restores full thermal management and keeps the generator producing rated output.
- Fuel System and Electrical Safety — Proper coolant circulation protects sensitive generator components — including windings and voltage regulation systems — from heat-related damage that can cause costly secondary failures.
The radiator is the primary component of the engine's liquid cooling system. It transfers heat absorbed from the engine coolant into the surrounding air, keeping the engine operating within its designed temperature range. In a portable generator like the G40 or G50, consistent thermal control is critical — sustained overheating causes automatic shutdowns, reduced power output, and long-term damage to internal engine components. When a radiator develops leaks, becomes clogged, or suffers physical damage, coolant circulation is compromised and the engine is at immediate risk of thermal failure. Replacing it with a genuine Wacker Neuson 5200021264 Radiator restores the cooling system to its original specification and protects the generator's long-term service life.
Part Details
| Part Number | 5200021264 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Radiator |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Generator | G40 | 5200015906, 5200016640, 5100029184, 5200015907 |
| Generator | G50 | 5200015909, 5100022009, 5100022008 |
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.
