The Wacker Neuson 5002005657 is a genuine OEM Welch Plug designed for the BS series gasoline vibratory rammer lineup, including the BS 500, BS 600, BS 700, BS 52Y, BS 60Y, BS 45Y, BS 65-V, and related variants. As a direct OEM part, the 5002005657 is manufactured to the same specifications as the original component installed at the factory, ensuring a correct, trouble-free installation. This plug covers an extensive range of BS series rammer models, making it a widely applicable service part for contractors and equipment technicians working across multiple machines. Confirm your model and machine number before ordering to ensure this Welch Plug is the right match for your unit.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to original specification, this Welch Plug provides the same press-fit seal as the part installed during production, maintaining correct oil or fluid retention in the engine block passages.
- Drop-In Installation — Sized to match the original bore diameter in the engine casing, the 5002005657 seats correctly without machining or modification to the housing.
- Broad BS Series Compatibility — Fits a wide range of Wacker Neuson gasoline vibratory rammers across the BS 500, BS 600, BS 700, BS 52Y, BS 60Y, BS 45Y, BS 65-V, and BS 70-2 model families.
- Prevents Internal Leakage — A correctly seated Welch Plug blocks off drilled passages in the engine casting; a failed or missing plug allows oil or coolant pathways to leak, leading to lubrication loss and accelerated engine wear.
- Verified Wacker Neuson Part Number — Sourced directly from Wacker Neuson, part number 5002005657 cross-references correctly against all listed BS series model and machine numbers for confident ordering.
A Welch plug — sometimes called a Welsh plug or expansion plug — is a pressed steel disc used to seal off drilled oil or coolant galleries in an engine block or cylinder head during manufacturing. Once pressed into its bore, it forms a leak-proof barrier that keeps internal fluid passages properly pressurized and contained. If a Welch plug corrodes, is knocked loose, or fails for any reason, the engine will lose oil or coolant through the exposed gallery opening, which can quickly result in lubrication failure or overheating and cause serious engine damage if not addressed promptly.
Part Details
| Part Number | 2005657 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Welch Plug |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| BS 50-2 | BS 50-2 | 0009380, 0009382 |
| BS 50-2i | BS 50-2i | 0009332 |
| BS 500 | BS 500 | 0008048, 0008204, 0009074 |
| BS500 | BS500 | 5000007550, 5000008049, 5000009075 |
| BS 500-oi | BS 500-oi | 0009343 |
| BS500-oi | BS500-oi | 5000009165 |
| BS 500S | BS 500S | 0009211 |
| BS52Y | BS52Y | 5000007508, 5000008053, 5000008054, 5000009409 |
| BS 52Y | BS 52Y | 0007148 |
| BS 60-2 | BS 60-2 | 0009388, 0009391 |
| BS 600 | BS 600 | 0008207, 0009077, 0009307 |
| BS600 | BS600 | 5000007551, 5000008205 |
| BS 600-oi | BS 600-oi | 0009262 |
| BS600-oi | BS600-oi | 5000009166 |
| BS 600S | BS 600S | 0009212 |
| BS 60Y | BS 60Y | 0007509 |
| BS60Y | BS60Y | 5000006779 |
| BS 65-V | BS 65-V | 0009396 |
| BS650 | BS650 | 5000008209 |
| BS 70-2 | BS 70-2 | 0009397, 0009399 |
| BS 700 | BS 700 | 0007552, 0008206, 0009308 |
| BS700 | BS700 | 5000008051, 5000008052, 5000009079 |
| BS700-oi | BS700-oi | 5000009167, 5000009328 |
| BS 45Y | BS 45Y | 0007137 |
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.
