The Wacker Neuson Diaphragm is a genuine OEM component designed for BS62-4A and BS68-4A series rammers, including standard, Ab, and CN variants. Sourced directly from Wacker Neuson, this OEM diaphragm meets the exact material and dimensional requirements of the original part. It is confirmed to fit a broad range of BS62-4A and BS68-4A configurations, covering Sunbelt variants and multiple production series. When you need a dependable, spec-correct replacement, part is the right call.
Key Features
- OEM Flexure Integrity — Manufactured to the exact material grade and flex-cycle specification of the original diaphragm, ensuring correct pressure response and seal performance across the fuel system.
- Drop-In Replacement — Matches the original mounting profile and port dimensions for a straightforward swap with no trimming or adaptation needed during installation.
- Broad BS-Series Fitment — Compatible with BS62-4A, BS62-4Ab, BS68-4A, BS68-4Ab, and BS68-4A CN rammers, including Sunbelt-designated variants across multiple production runs.
- Consistent Fuel Delivery — A properly functioning diaphragm maintains steady carburetor operation; a cracked or fatigued one causes hard starting, rough running, or fuel starvation under load.
- Fuel System Safety — As a diaphragm-type fuel system component, using the correct OEM part prevents improper fuel metering and reduces the risk of fuel leaks in a high-vibration operating environment.
The diaphragm is a flexible membrane within the carburetor that regulates fuel flow by responding to pressure changes created during the engine's intake cycle. It acts as a pumping element, drawing fuel from the tank and delivering it to the metering circuit at the correct rate for the engine's demand. When a diaphragm hardens, cracks, or develops pinholes from age or fuel exposure, it loses the ability to flex properly — leading to lean running conditions, difficulty starting, or an engine that stalls under load.
Part Details
| Part Number | 5100073580 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Diaphragm |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| BS62-4Ab/28 | BS62-4Ab/28 | 5100061966, 5100070526 |
| BS68-4Ab/28 | BS68-4Ab/28 | 5100061970, 5100070525, 5100070527 |
| BS62-4A/28 | BS62-4A/28 | 5100068373 |
| BS68-4A/28 | BS68-4A/28 | 5100068375 |
| BS68-4A/28 CN | BS68-4A/28 CN | 5100070152 |
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.
