The Wacker Neuson Carburetor Insulator is a genuine OEM component designed for the P31A Power Unit used with Wet Screed applications. As a factory-sourced part, it is manufactured to the exact tolerances required for proper carburetor mounting and heat isolation on this power unit. Buyers can order with confidence knowing the is a direct OEM replacement backed by Wacker Neuson's parts program. Verify your model number against the P31A fitment before ordering to ensure compatibility.
Key Features
- Genuine OEM Heat Isolation: — Engineered to the same thermal barrier specification as the original, preventing heat soak from the engine from affecting carburetor fuel atomization and air-fuel mixture stability.
- Direct Mounting Compatibility: — Matches the original bolt pattern and port alignment of the P31A Power Unit carburetor mount, allowing straightforward installation without modification to the mounting flange.
- P31A Power Unit Fitment: — Confirmed fit for the Wacker Neuson P31A Power Unit configured for Wet Screed use — always cross-reference your machine's part number before ordering.
- Protects Carburetor Performance: — A degraded or cracked insulator allows excess engine heat to reach the carburetor, causing vapor lock, rough running, and fuel delivery issues; a fresh insulator restores clean, consistent fuel delivery.
- Fuel System Integrity: — Maintaining a sound carburetor insulator is a key element of fuel system safety; a failed insulator can allow fuel vapors to migrate toward hot engine surfaces, making timely replacement important.
The carburetor insulator is a heat-isolating block or spacer mounted between the engine intake and the carburetor body. Its job is to create a thermal buffer that keeps engine heat from conducting directly into the carburetor, which can cause the fuel inside to vaporize prematurely — a condition known as vapor lock — resulting in hard starting, erratic idle, or power loss. When the insulator cracks, warps, or deteriorates, the seal between the carburetor and intake is also compromised, allowing unmetered air to enter the fuel system and disrupt the air-fuel ratio. Replacing a worn insulator restores both the thermal barrier and the intake seal, bringing fuel delivery back to proper operating condition.
Part Details
| Part Number | 5000157512 |
|---|---|
| Old Part Number | 0157512 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Carburetor Insulator |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Power Unit for Wet Screed | P31A | 5000009365 |
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.