The Wacker Neuson is a genuine OEM Welch Plug designed for the CRT48-31V series ride-on concrete trowels, including the CRT48-31V, CRT48-31V-H, CRT48-31V-E, CRT48-31V-ES, and CRT48-31V-ES-E models. Sourced directly from Wacker Neuson, this part matches the original component specification for a straightforward, press-fit installation. Keeping this plug properly seated is essential to maintaining sealed passages in the engine or hydraulic system, and replacing a failed or dislodged plug promptly protects the surrounding components from contamination or fluid loss.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to the original Wacker Neuson material and dimensional specification, ensuring the plug seats and seals correctly without deformation over time.
- Direct Press-Fit Replacement — Matches the original bore diameter and retention profile for a drop-in installation on CRT48-31V series trowels with no rework required.
- Broad CRT48-31V Series Coverage — Compatible with the CRT48-31V, CRT48-31V-H, CRT48-31V-E, CRT48-31V-ES, and CRT48-31V-ES-E 48-inch ride-on concrete trowels.
- Protects Internal Passages — A correctly installed Welch Plug keeps oil, coolant, or hydraulic fluid from escaping through machined galleries, preventing contamination and maintaining system pressure.
- Verified Part Number — Order with confidence using Wacker Neuson part number 5000157831, confirmed for the CRT48-31V machine family.
A Welch Plug — sometimes called a cup plug or expansion plug — is a thin, dome-shaped metal disc pressed into a machined opening in an engine block, hydraulic manifold, or gearcase to permanently seal a passage created during the manufacturing process. Once seated, the plug closes off that gallery so fluids circulate only through the intended circuits. When a Welch Plug corrodes, is struck, or works loose, it allows fluid to escape or contaminants to enter, which can lead to pressure loss, overheating, or accelerated wear in the affected system. Replacing a failed plug with the correct OEM part restores the sealed circuit and prevents further damage to the host assembly.
Part Details
| Part Number | 5000157831 |
|---|---|
| Old Part Number | 0157831 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Welch Plug |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 1220mm/48in Ride-on Trowel | CRT48-31V | 5000620476 |
| 1220mm/48in High Speed Ride-On Trowel | CRT48-31V-H | 5000009086 |
| Ride-on Trowel | CRT48-31V-E | 5000009481 |
| Ride-on Trowel | CRT48-31V-ES-E | 5000009482 |
| 1220mm/48in Ride-on Trowel, El ectronic Steering | CRT48-31V-ES | 5000009216 |
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.
