The Wacker Neuson Idle Jet is a genuine OEM component designed for a broad range of Wacker Neuson equipment, including PT2 and PDT2/PDT3 trash and diaphragm pumps, CT36-6 concrete trowels, GP2600 portable generators, VP and WP series single-direction vibratory plate compactors, BPU2540 reversible vibratory plates, and BFS floor saws. Sourced directly from Wacker Neuson, this idle jet meets the original engineering specifications for every listed application. It is a drop-in carburetor component that restores correct fuel-and-air metering at low throttle, eliminating rough idling and stalling on the jobsite. If your machine is hunting at idle or dying under light load, replacing the idle jet with part number is a proven first step before more extensive carburetor service.
Key Features
- Calibrated Orifice Size — Manufactured to the exact bore diameter specified by Wacker Neuson, ensuring correct fuel metering at idle speed for smooth, stable low-rpm operation.
- Genuine OEM Sourcing — Supplied directly through the Wacker Neuson parts network, so the metallurgy, thread pitch, and orifice spec match what came out of the original carburetor.
- Broad Cross-Family Compatibility — A single part number covers VP and WP vibratory plates, BPU2540 reversible plates, PT2/PDT2/PDT3/PDI2/PDI3 pumps, CT36-6 trowels, GP2600 generators, BFS floor saws, and PG2/PG3 dewatering pumps — making it a smart stocking item for multi-machine fleets.
- Restores Idle Stability — A worn or clogged idle jet causes rough idling, throttle stumble, or engine stall at low load; this replacement brings fuel delivery back to spec so the engine transitions cleanly from idle to working throttle.
- Fuel System Integrity — Correct idle jet sizing prevents over-rich or over-lean idle circuits, protecting the engine from carbon fouling, plug fouling, and premature wear caused by an out-of-spec fuel mixture.
The idle jet is a small, precision-drilled brass fitting seated inside the carburetor's idle circuit. At low throttle, the engine draws fuel almost entirely through this circuit, so the orifice diameter directly controls the fuel-to-air ratio at idle. A jet that is clogged with varnish deposits or physically worn will cause the engine to run rough, hunt for a stable idle, or stall when the throttle is released. Replacing the idle jet with a correctly sized OEM unit restores the carburetor's ability to supply a consistent, combustible mixture at low rpm, which is essential for controlled warm-up, smooth engagement of centrifugal clutches, and reliable low-load operation across pump, plate compactor, trowel, and generator applications.
Part Details
| Part Number | 5000156537 |
|---|---|
| Old Part Number | 0156537 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Idle Jet |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT2 Pump | PT2 | 5000009318, 5000009319, 5000009320 |
| CT36-6 Trowel | CT36-6 | 5000009443, 5000620830 |
| Premium Portable Generator | GP2600 | 5000620088, 5000620116 |
| 50mm/2in Diaphragm Trash Pump | PDT2 | 5000009494, 5000620770 |
| 75mm/3in Diaphragm Trash Pumps | PDT3 | 5000009495, 5000620774 |
| PG2 Dewatering Pump | PG2 | 5000009496, 5000009497 |
| PG3 Dewatering Pump | PG3 | 5000009498, 5000009499 |
| Value Vibratory Plate, 11kN, 3 50mm/13.8in | VP1135R | 5000008709, 5000009071, 5000630061 |
| Value Vibratory Plate, 11 kN, 356mm/14in | VP1135RW | 5000009251, 5000009512 |
| Value Vibratory Plate, 13 kN, 400mm/15.5in | VP1340RW | 5000009034 |
| Value Vibratory Plate, 15 kN, 500mm/19.5in | VP1550RW | 5000009030 |
| Value Vibratory Plate, 13 kN, 400mm/15.5in | VP1340R | 5000009033 |
| VP1340W VIBROPLATE | VP1340W | 5000008706, 5000630051 |
| Value Vibratory Plate, 15 kN, 500mm/19.5in | VP1550R | 5000009029, 5000630056 |
| Value Vibratory Plate, 20 kN, 500mm/19.5in | VP2050R | 5000009088, 5000630063 |
| VP1550W VIBROPLATE | VP1550W | 5000008708, 5000630013, 5000630053 |
| Vibratory Soil Plate, 60 kN | VP60X | 5000009533 |
| VP1340 Single Direction Vibratory Plate | VP1340 | 5000008705, 5000630050 |
| Vibratory Soil Plate, 50 kN | VP50X | 5000009531 |
| Single Direction Plate | VPR70 | 5000006909 |
| WP1540W VIBROPLATE | WP1540W | 5000009326, 5000630018, 5000009547, 5000630066 |
| VP1550 VIBROPLATE | VP1550 | 5000008707, 5000630052 |
| WP1550W VIBROPLATE | WP1550W | 5000009324, 5000009548, 5000630020, 5000630064 |
| WP1550 VIBROPLATE | WP1550 | 5000009325, 5000630065 |
| WP1540 VIBROPLATE | WP1540 | 5000009327, 5000630067 |
| Value Vibratory Plate | VP2050I | 5000009541 |
| VP50Xw-VIBROPLATE | VP50Xw | 5000630094 |
| VP60Xw-VIBROPLATE | VP60Xw | 5000630095 |
| BFS12 FLOOR SAW | BFS12 | 5000630000 |
| WP 2050W | WP2050W | 5000630023 |
| WPP 1540W | WPP1540W | 5000630027 |
| WPP 1550W | WPP1550W | 5000630031 |
| WPP 1550Ww | WPP1550Ww | 5000630032 |
| Single Direction Plate | AP1135R | 5000009518 |
| WPP 1540Ww | WPP1540Ww | 5000630028 |
| Single Direction Asphalt Plate | VP2050RW | 5000009511 |
| VP2050W VIBROPLATE | VP2050W | 5000009537 |
| Walk-behind Rollers | RS600 | 5000630194, 5000630136 |
| Modular Internal Vibrators | RD 3.7 | 5000006908 |
| 500mm/50in, 20kN Value Vibrato ry Plate | VP2050 | 5000009530 |
| Value Vibratory Plate, 11kN 356mm/14in | VP1135R-AU | 5000630102 |
| Single Direction Plates | VP1340W-L | 5000630001 |
| Single Direction Plates | VP1340W-LL | 5000630002 |
| Single Direction Plates | VP1340W-LF | 5000630003 |
| Floor Saws | BFS1214 | 5000630004, 5000630093 |
| Single Direction Plate | WP1550Ww | 5000630113 |
| Single Direction Plate | WP2050Ww | 5000630116 |
| VP1340W VIBROPLATE, W/WHEEL KIT | VP1340W w/WH | 5000630121 |
| Floor Saw | BFS 12 | 5000630092 |
| Single Direction Plate | WP1540Ww | 5000630111 |
| Gas Reversible Vibratory Plate ,25 kN,40cm/16in | BPU 2540 | 5000008954 |
| Floor Saw | BFSX1214 | 5000630101 |
| Floor Saws | BFS 614B | 5000009526 |
| 50mm/2in Diaphragm Trash Pump | PDI2 | 5000009489 |
| 75mm/3in Diaphragm Trash Pump | PDI3 | 5000009491, 5000009492 |
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.
