The Wacker Neuson Champion UJ11G Spark Plug is a genuine OEM spark plug designed for BS45Y, BS52Y, BS60Y, BS65Y, and BS45YA series vibratory rammers. Sourced directly from Wacker Neuson, this OEM component ensures a direct, verified fit against the original specification — no guesswork on compatibility. Part number covers a broad range of rammer configurations, including both 6-inch and 10-inch shoe models as well as variable speed variants in the BS65Y series.
Key Features
- OEM Ignition Spec: — Genuine Champion UJ11G electrode and heat range matched exactly to Wacker Neuson's engine requirement, delivering the correct spark energy for reliable ignition cycle after cycle.
- Drop-In Thread and Reach: — Shares the identical thread size, reach, and seat type as the factory-installed plug, so installation is straightforward with no adapter or modification.
- Broad Rammer Compatibility: — Fits BS45Y, BS45YA, BS52Y, BS60Y, and BS65Y series vibratory rammers across multiple shoe sizes and speed configurations, covering a wide range of Wacker Neuson rammer fleets.
- Consistent Engine Starting: — A correctly rated spark plug keeps combustion clean and cold-start performance strong; a worn or mismatched plug leads to hard starting, rough running, and increased fuel consumption on the rammer.
- Fuel System Safety Compliance: — Using the correct heat-range plug prevents pre-ignition and detonation events that can damage the piston and combustion chamber, protecting the engine during high-duty compaction work.
A spark plug ignites the air-fuel mixture inside the engine's combustion chamber, providing the timed spark that drives the piston and powers the rammer's compaction stroke. In a high-vibration application like a vibratory rammer, the plug is subject to significant mechanical stress and heat cycling, meaning a worn or incorrectly specified plug quickly leads to misfires, loss of compaction power, and difficulty restarting in the field. Replacing the Champion UJ11G Spark Plug at the manufacturer's recommended service interval keeps the engine firing cleanly and the rammer delivering full compaction force.
Part Details
| Part Number | 5002005945 |
|---|---|
| Old Part Number | 2005945 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Champion UJ11G Spark Plug |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Vibratory Rammer with 254mm/10 in Shoe | BS52Y | 5000007508, 5000008053, 5000008054, 5000009409, 5000007148, 5000007559, 5000007560, 5000007609 |
| Variable Speed Vibratory Ramme r, 280mm/11in Shoe | BS65Y | 5000007567, 5000007566 |
| Vibratory Rammer | BS60Y | 5000006779, 5000007509 |
| Vibratory Rammer with 250mm/10 in Shoe | BS45Y | 5000007137 |
| Vibratory Rammer with 152mm/6i n Shoe | BS45YA | 5000007558 |
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.
