The Wacker Neuson Water Pipe is a genuine OEM component designed for the G40 and G50 generator series, including mobile and stationary configurations. As a factory-sourced part, it matches the original specifications and integrates directly with the existing cooling system without adaptation. This Water Pipe is confirmed for use across multiple G40 variants — including 50Hz LATAM and Premium builds — as well as the G50 generator, making it the correct choice when servicing these units. Keeping the cooling circuit properly sealed and flowing ensures the generator runs within its thermal limits on demanding jobsites.
Key Features
- Genuine OEM Cooling Circuit Integrity — Factory-sourced Wacker Neuson part ensures the correct internal diameter, wall thickness, and connection geometry for leak-free coolant flow.
- Direct Drop-In Replacement — Engineered to connect directly to existing fittings and ports on G40 and G50 generators, preserving the original routing and clamp positions.
- Broad G40 and G50 Fitment — Compatible with G40 standard, G40 mobile, G40 50Hz LATAM, G40 Premium, and G50 generator models, covering a wide range of Wacker Neuson portable power equipment.
- Sustained Thermal Management — A sound Water Pipe maintains steady coolant circulation to the engine; a cracked or deteriorated pipe can cause overheating, unplanned shutdowns, and potential engine damage.
- Fuel System and Cooling Safety Compliance — Using the correct OEM-spec pipe in the cooling circuit helps maintain the pressure and temperature tolerances the engine management system relies on for safe operation.
The Water Pipe routes engine coolant between key components of the generator's liquid-cooling system, maintaining consistent fluid flow to regulate engine temperature during operation. Without a properly functioning pipe, coolant pressure can drop, flow can be restricted, or leaks can develop — any of which will cause the engine to overheat and trigger a protective shutdown. Replacing a worn or damaged Water Pipe with a genuine Wacker Neuson part restores full cooling capacity and protects the engine from thermal stress.
Part Details
| Part Number | 5200021426 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Water Pipe |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Generator | G40 | 5200015906, 5200015907, 5200016640, 5100029184 |
| Generator | G50 | 5200015909 |
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.
