The Wacker Neuson Diaphragm is a genuine OEM component designed for the TH627 series. As a direct OEM replacement, this diaphragm is produced to the exact material and dimensional specifications required by the original design, ensuring a correct fit within the fuel system assembly. Genuine OEM sourcing means you get the same part that left the factory — no guesswork on compatibility with your TH627.
Key Features
- OEM-Grade Membrane Material — Manufactured to the precise flexibility and chemical-resistance specifications required for consistent fuel metering in the TH627 carburetor or fuel pump assembly.
- Direct Drop-In Replacement — Matches the original mounting pattern and sealing surface dimensions, allowing straightforward installation without modification to surrounding components.
- Confirmed TH627 Fitment — Verified for the TH627 (418-02) series, so you can order with confidence against your machine's parts list.
- Consistent Fuel Flow — A correctly functioning diaphragm maintains steady fuel pressure and delivery, keeping the engine running at its intended power output and throttle response.
- Fuel System Integrity — A failed or cracked diaphragm can allow fuel to bypass the metering circuit or leak internally, making timely replacement critical to safe and compliant operation.
A diaphragm is a flexible membrane used in carburetors and fuel pumps to regulate and pulse fuel through the system. It flexes in response to pressure differentials, drawing fuel from the tank and delivering it to the engine at the correct rate. When a diaphragm hardens, cracks, or develops pinholes — common results of age, fuel exposure, or ethanol-blended fuels — the engine may experience hard starting, erratic idling, or fuel starvation under load. Replacing a worn diaphragm with a genuine OEM part restores the precise flex characteristics the fuel system depends on.
Part Details
| Part Number | 1000270665 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Diaphragm |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| SPARE PARTS LIST 418-02 / TH627 | TH627 (418-02) | 1000362623 |
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.
