The Wacker Neuson Jet Main is a genuine OEM component designed for the RD12-90 series tandem rollers, including both the solid ROPS and foldable ROPS configurations. As a factory-sourced part, it is manufactured to the exact specifications required for correct fuel delivery performance in these machines. Confirm your model number against the fitment list before ordering — this part is verified for RD12-90 applications.
Key Features
- OEM Fuel Circuit Calibration — Manufactured to the precise orifice sizing required for correct fuel metering in RD12-90 series carburetors, ensuring the air-fuel mixture stays within spec.
- Drop-In Fitment for RD12-90 Configurations — Engineered to seat and seal correctly within the carburetor body used across both solid ROPS and foldable ROPS RD12-90 roller variants.
- Covers Both RD12-90 Variants — Compatible with the RD12-90 Double Drum Solid ROPS and the RD12-90 Tandem Roller with Foldable ROPS.
- Protects Engine Performance Under Load — A correctly functioning jet main keeps fuel flow consistent during compaction work; a worn or clogged jet causes rough running, power loss, and hard starting.
- Genuine Wacker Neuson OEM Quality — Sourced directly through the Wacker Neuson parts network, so you get the same component that left the factory — not an approximation of it.
The jet main is a small but critical precision component inside the carburetor that meters the volume of fuel drawn into the engine under normal operating load. It works alongside the needle and emulsion tube to maintain the correct air-fuel ratio across varying throttle positions. When the jet main becomes clogged, eroded, or damaged, the engine loses power, runs rough, or fails to maintain consistent RPM — symptoms that directly affect compaction output and machine reliability on site.
Part Details
| Part Number | 5000215203 |
|---|---|
| Old Part Number | 0215203 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Jet Main |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD12-90 ROLLER, DOUBLE DRUM, SOLID ROPS | RD12-90 | 5000620059, 5000620321 |
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.