The Wacker Neuson Carburetor Insulator is a genuine OEM component designed for the GP3800A, GP3800, GV3800A, GV5000A, and GV5003A series portable generators. As a direct factory replacement, this part is sourced through Wacker Neuson's authorized parts program, ensuring it meets the same specifications as the component installed at the factory. Confirmed fitment spans a wide range of GP and GV series generator configurations, including standard, premium, wheel kit, EPA, CSA, and 50Hz variants across multiple machine numbers.
Key Features
- Genuine OEM Thermal Isolation: — Manufactured to the same heat-resistance and dimensional specifications as the original, maintaining the correct thermal barrier between the carburetor and engine intake.
- Drop-In Replacement: — Matches the original mounting interface and bolt pattern, allowing installation without modification to the carburetor or intake manifold.
- Broad Generator Series Fitment: — Compatible with GP3800A, GP3800, GV3800A, GV5000A, and GV5003A generator models across standard, premium, EPA, CSA, 50Hz, and wheel kit configurations.
- Protects Fuel Delivery Consistency: — A sound insulator prevents heat soak from degrading carburetor function, helping the generator sustain stable fuel metering and consistent power output under load.
- Fuel System Integrity: — A cracked or deteriorated insulator can allow excess heat into the carburetor body, contributing to vapor lock, hard starting, and irregular engine operation — replacing it restores proper isolation and fuel system performance.
The carburetor insulator — sometimes called a carburetor spacer or heat insulator block — sits between the carburetor and the engine intake manifold, acting as a thermal barrier. Its primary job is to prevent engine heat from transferring directly into the carburetor body, which can cause fuel to vaporize prematurely inside the carb and disrupt the air-fuel mixture. When this insulator cracks, warps, or develops air leaks, the result is often hard starting, rough idling, or loss of power — symptoms that are easy to misdiagnose without inspecting this relatively simple component first.
Part Details
| Part Number | 5000158467 |
|---|---|
| Old Part Number | 0158467 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Carburetor Insulator |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Portable Generator | GP3800A | 5000620104, 5000620379, 5000620485, 5000620342, 5000620484, 5000620041, 5000620103, 5000620010, 5100041978 |
| GV5000A | GV5000A | 5000009346, 5000009351, 5000009361, 5000009356, 5100006204 |
| 50Hz Portable Value Generator | GV5003A | 5000009347, 5000009362, 5000009352, 5000009357, 5100002154 |
| GP3800A Generator, EPA w/Wheel Kit | GP3800 | 5000620976, 5000620974, 5000620975, 5100031174 |
| Value Generator | GV3800A | 5000620409, 5000620287, 5000620334 |
| Value Portable Generator | GV3800 | 5000620994 |
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.
