The Wacker Neuson Spark Plug is a genuine OEM spark plug designed for a wide range of Wacker Neuson gasoline-powered equipment, including the MP12, MP15, and MP20 single direction plates, MG10 portable generators, BPS1550c and BPS2050c plate compactors, MCP2 and MCP3 pumps, GS and G series generators, BFS floor saws, and ZEN-L and ZEN-C single direction plates. Sourced directly from Wacker Neuson, this is the same spark plug specified at the factory — no guesswork on compatibility. It drops straight into supported models with no adaptation needed, making it the straightforward choice for scheduled service or a quick field fix. With a broad fitment range spanning compactors, pumps, floor saws, and generators, one part number covers a substantial share of your Wacker Neuson gasoline-powered fleet.
Key Features
- OEM Ignition Spec: — Manufactured to the exact heat range, thread pitch, and electrode gap specified by Wacker Neuson, ensuring correct spark timing and combustion efficiency for supported engines.
- Direct-Fit Replacement: — Matches the original spark plug thread size and reach, so it seats and torques down correctly without thread chasing or adapter hardware.
- Wide Fleet Coverage: — A single part number fits MP12, MP15, MP20, ZEN-L, ZEN-C, MG10, MCP2, MCP3, BPS1550c, BPS2050c, BFS735c, BFS1350c, GS/G series generators, PT3c, PG2c, and more — simplifying parts inventory across a mixed Wacker Neuson fleet.
- Consistent Engine Starting: — A fresh OEM spark plug restores reliable ignition, preventing hard starting, rough idle, and misfires that reduce output power and waste fuel on compactors, pumps, and saws.
- Fuel System Safety: — A correctly gapped, OEM-spec spark plug helps prevent unburned fuel buildup in the combustion chamber, reducing the risk of backfiring and raw-fuel exhaust on gasoline-powered equipment.
A spark plug ignites the air-fuel mixture inside the engine's combustion chamber, and that single spark is what converts fuel into the mechanical power your machine runs on. When a spark plug wears out or fouls, the engine struggles to start, runs rough, loses power, or burns through more fuel than it should. On equipment like plate compactors, diaphragm pumps, and floor saws — where consistent engine output directly affects job performance — a degraded spark plug can bring productivity to a halt. Replacing it on schedule with a genuine OEM part like the Wacker Neuson 5000408439 restores clean ignition and keeps the engine operating at the output level it was designed to deliver.
Part Details
| Part Number | 5000408439 |
|---|---|
| Old Part Number | 0408439 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Spark Plug |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Single Direction Plates | MP12 | 5100075679, 5100055366, 5100067424, 5000630380 |
| Single Direction Plates | ZEN-L 12W | 5100072719 |
| Single Direction Plates | ZEN-L 15W | 5100072721 |
| Single Direction Plates | ZEN-L 20W | 5100072723 |
| MP15 | MP15 | 5100054291 |
| MDP3 | MDP3-CE | 5100056324 |
| BFS1350c | BFS1350c | 5100079276 |
| BPS1550c | BPS1550Gw-c CE | 5100079312 |
| BPS2050c | BPS2050Gw-c CE | 5100079313 |
| Single Direction Plates | MP20 | 5000630379 |
| 75mm/3in Diaphragm Trash Pumps | MDP3X | 5000630420 |
| Floor Saws | MFS735-CN | 5000630435 |
| Floor Saws | MFS1350-CN | 5000630436 |
| Water Pump | MDP3-CN | 5000630438 |
| BPS1550c | BPS1550Gw-c CN | 5100079970 |
| Portable Generators | MG10-AF | 5000630408 |
| Portable Generators | MG10-CL | 5000630411 |
| Portable Generators | MG10-LA | 5000630412 |
| Portable Generators | MG10-CN | 5000630414 |
| Portable Generators | MG10-ME | 5000630415 |
| Pump | MCP2X | 5000630422 |
| Water Pump | MCP2-CN | 5000630437 |
| Gasoline Powered Floor Saw | MFS735 | 5100055201 |
| MCP2 | MCP2-CE | 5100056321 |
| Pump | MCP3-CE | 5100067952 |
| Modular Internal Vibrators | D3.5G2 | 5100072196 |
| Modular Internal Vibrators | D3.5G3 | 5100072403 |
| Single Direction Plates | ZEN-L 12 | 5100072720 |
| Single Direction Plates | ZEN-L 15 | 5100072722 |
| Single Direction Plates | ZEN-L 20 | 5100072724 |
| Single Direction Plates | ZEN-C 20 | 5100073053 |
| BFS735c | BFS735c | 5100079275 |
| PG2c | PG2G-c CE | 5100079342 |
| PT3c | PT3G-c CE | 5100079343 |
| GB3000G | GB3000G CE | 5100079446 |
| GB6000G | GB6000G CE | 5100079447 |
| GS3500Gi | GS3500Gi CE | 5100079448 |
| G3500G | G3500G CE | 5100079450 |
| G3500G | G3500G LA | 5100079451 |
| GS6000G | GS6000G CE | 5100079452 |
| GS6000G | GS6000G LA | 5100079453 |
| GS6503G | GS6503G CE | 5100079454 |
| GS6500G | GS6500G LA | 5100079455 |
| GS8003G | GS8003G CE | 5100079456 |
| GS8000G | GS8000G LA | 5100079457 |
| GS10003G | GS10003G (No-CE) | 5100079458 |
| GS3500Gi | GS3500Gi CN | 5100079595 |
| G3500G | G3500G CN | 5100079597 |
| GS6000G | GS6000G CN | 5100079598 |
| GS8003G | GS8003G CN | 5100079599 |
| PT3c | PT3G-c CN | 5100079600 |
| BPS2050c | BPS2050Gw-c CN | 5100079971 |
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.
