The Wacker Neuson 5000158646 is a genuine OEM Spark Plug designed for the BS50-4, BS50-4s, BS60-4, and BS60-4s series four-stroke vibratory rammers. As a direct OEM replacement, this spark plug is sourced to the exact specification used in original production — ensuring correct heat range, thread pitch, and electrode gap for these gasoline-powered rammers. Fitment extends across a wide range of BS-series configurations including standard, EU, and high-altitude variants, as well as select VP-series vibratory plates and GPi1700 portable inverter generators. Verify your model number before ordering to confirm compatibility with your specific machine.
Key Features
- Correct Heat Range for Four-Stroke Rammer Engines — Matched to the thermal demands of BS-series gasoline rammer engines, helping maintain stable ignition across varied operating conditions and ambient temperatures.
- Genuine OEM Part — Sourced directly from Wacker Neuson, this spark plug meets the exact electrode gap and thread specification called out in the original service documentation for these machines.
- Broad BS-Series Compatibility — Fits BS50-4, BS50-4s, BS60-4, BS60-4s, and BS60-4s EU vibratory rammers across multiple serial number ranges, including standard, high-altitude, and EU configurations.
- Drop-In Replacement — Installs into the existing plug well without thread chasing or adapter hardware; electrode orientation and reach are production-matched to the cylinder head design.
- Protects Engine Starting and Power Output — A worn or fouled spark plug in a rammer engine causes hard starting, misfires, and loss of compaction force. Replacing with a correctly specified plug restores consistent ignition and full stroke power.
- Fuel System Safety Compliance — Using the OEM-specified plug prevents pre-ignition and detonation risks that can arise from incorrect heat range selection in small gasoline engines.
A spark plug ignites the air-fuel mixture in the engine cylinder, and in a vibratory rammer, consistent ignition is critical — the engine must deliver smooth, repetitive power strokes to drive the compaction mechanism at the correct frequency. If the plug wears, fouls with carbon, or loses proper gap, the engine will misfire or fail to start, and compaction output drops immediately. Replacing the spark plug at the intervals specified in the service manual is one of the most straightforward ways to keep a BS-series rammer running at full compaction force.
Part Details
| Part Number | 5000158646 |
|---|---|
| Old Part Number | 0158646 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Spark Plug |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Vibratory Rammer with 280mm/11 in Shoe | BS50-4s | 5000620908, 5000620322, 5000620071, 5000620078, 5200000679, 5200000662, 5200000644, 5200000680 |
| BS60 -4s RMR,11 PL SHOE,HA 42 | BS60-4s | 5000620387, 5000620909, 5000620323, 5000620073, 5000620072, 5000620563, 5000620820, 5200000648, 5200000667, 5200000668, 5200000683, 5200000647, 5200000675, 5200000674, 5200011110, 5200011111 |
| Four-cycle Rammer,280mm/11in S hoe | BS60-4s EU | 5000620388, 5000620813, 5000620074, 5000620483, 5000620812, 5000620819, 5000620816, 5200003883, 5200004239 |
| Four-stroke Vibratory Rammer, 280mm/11in Shoe | BS50-4s EU | 5000620811 |
| Four-stroke Vibratory Rammer, 280mm/11in Shoe | BS60-4 | 5000620109, 5000620110, 5000009340, 5000620000, 5000620051, 5200022984 |
| Four-stroke Vibratory Rammer, 280mm/11in Shoe | BS50-4 | 5000620108, 5000620077, 5000009386 |
| VP1030R-VIBROPLATE | VP1030R | 5000008702, 5000009504 |
| 280/11in Shoe, Vibratory Ramme r | MS54 | 5200008223, 5200013518 |
| Vibratory Rammer with 280mm/11 in Shoe | BS50-4HO EU | 5000620818 |
| Vibratory Soil Plate, 40 kN | VP40H | 5000009535 |
| Vibratory Rammer, 280mm/11in S hoe | BS600-4 | 5000009331 |
| Vibratory Rammer, 280mm/11in S hoe | BS500-4 | 5000009329 |
| Portable Inverter Generator | GPi1700 | 5000620777, 5000620778 |
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.
