The Wacker Neuson is a genuine OEM Main Jet designed for a wide range of Wacker Neuson equipment, including the RD12A-90 tandem roller series, CRT48-34V and CT48 walk-behind and ride-on trowel series, GP6600A and GV5000A/GV5003A portable generators, BPU 5045A and BPU 5545A reversible vibratory plates, and the RS800A/RSS800A single-drum vibratory rollers. As a factory-original component, this Main Jet is manufactured to the same exacting standards as the part it replaces, ensuring the carburetor delivers the correct air-fuel mixture under all operating conditions. Part number is a direct-fit replacement that drops into place without modification across its extensive compatibility range. Stock this part in your service inventory and keep your Wacker Neuson equipment running at peak efficiency.
Key Features
- Calibrated Fuel Metering — Manufactured to OEM-specified orifice dimensions, ensuring the carburetor delivers the correct fuel flow rate for consistent combustion across all throttle positions.
- Genuine Wacker Neuson OEM Part — Sourced directly from Wacker Neuson, this Main Jet meets the same production tolerances as the original, with no guesswork on fitment or fuel calibration.
- Broad Cross-Family Compatibility — Fits the RD12A-90 tandem roller, CRT48-34V and CT48 trowel families, GP6600A/GP6600/GPS6600 and GV/GS generator series, BPU 5045A and BPU 5545A vibratory plates, and RS800A/RSS800A rollers — one part number covering multiple equipment lines.
- Restore Full Engine Power — A worn or partially blocked main jet causes lean running, rough idle, power loss, and hard starting; replacing it restores the correct mixture ratio and smooth, full-power operation.
- Fuel System Safety — An incorrect or out-of-spec jet can cause dangerously lean combustion and engine overheating; using the genuine OEM 5000089290 keeps fuel delivery within the engine manufacturer's safe operating parameters.
The main jet is a precisely sized orifice inside the carburetor that meters the flow of fuel into the engine's air stream during normal mid-range and wide-open throttle operation. The diameter of this jet is calibrated to deliver exactly the right fuel quantity for the engine's displacement and airflow — too little fuel causes a lean condition that leads to overheating and power loss, while too much fuel causes rich running, fouled spark plugs, and excessive emissions. Over time, main jets can become partially blocked by fuel varnish or debris, which is why replacing this small but critical component is often the first step in a carburetor service.
Part Details
| Part Number | 5000089290 |
|---|---|
| Old Part Number | 0089290 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Main Jet |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD12A-90 ROLLER,DBL DRUM,GRN | RD12A-90 | 5000620369, 5000620058, 5000620320 |
| 1220mm/48in Ride-on Trowel | CRT48-34V | 5000620805, 5000620075, 5200004935 |
| G 7AI | G7AI | 5000009104 |
| GP6600A GENERATOR,CAN GFI | GP6600A | 5000620100, 5000620101, 5000620384 |
| Premium Portable Generator | GP6600 | 5000620385, 5000620989, 5000620990, 5000620985, 5000620986 |
| CT48-13A-V Trowel | CT48-13A-V | 5000009452, 5000620836 |
| CT48-11A Trowel | CT48-11A | 5000009450, 5000620835 |
| Single Drum Vibratory Roller | RS800A | 5000006581, 5000630011 |
| Single Drum Vibratory Roller | RSS800A | 5000006582, 5000630012 |
| GS12Ai | GS12AI | 5000620317 |
| GV5000A | GV5000A | 5000009346, 5000009351, 5000009361, 5000009356, 5100006204 |
| 50Hz Portable Value Generator | GV5003A | 5000009347, 5000009362, 5000009352, 5000009357, 5100002154 |
| 1220mm/48in Walk-behind Trowel | CT48AGP | 5000007602, 5000007603 |
| 1220mm/48in CE Walk-behind Tro wel | CT48AGP-E | 5000008031, 5000008032 |
| 1220mm/48in CE Walk-behind Tro wel | CT48AGT-E | 5000007601, 5000008020 |
| 1220mm/48in Walk-behind Trowel | CT48AGT | 5000008019, 5000008041 |
| GPS6600A Generator, EPA | GPS6600 | 5000620987 |
| 50Hz Portable Generator with E lectric Start | GS5.7AE | 5000008285, 5000008279, 5000008281, 5000008283 |
| Portable Generator with Electr ic Start | GS5.6A | 5000007191, 5000008046 |
| 50Hz Portable Generator | G4.6A | 5000008266, 5000008262, 5000008264, 5000008260 |
| 50Hz Portable Generator | G4.6AE | 5000008267, 5000008261, 5000008263, 5000008265, 5000008268 |
| 50Hz Portable Generator with E lectric Start | GS4.6A | 5000008275, 5000008271, 5000008273, 5000008269 |
| 50Hz Portable Generator with E lectric Start | GS4.6AE | 5000008276, 5000008270, 5000008272, 5000008274, 5000008277 |
| 50Hz Portable Generator with E lectric Start | GS5.7A | 5000008284, 5000008278, 5000008280, 5000008282 |
| Portable Generator | G5.6A | 5000007190, 5000008045, 5000009431, 5000620008 |
| 50Hz Portable Generator | G5.7AE | 5000009015, 5000009019, 5000009017 |
| 1220mm/48in Variable Speed Wal k-behind Trowel | CT48AVP | 5000009219, 5000009220 |
| 50Hz Portable Generator | G5.7A | 5000009012, 5000009014, 5000009018, 5000009016 |
| 1220mm/48in Variable Speed Wal k-behind Trowel | CT48AVT | 5000009217, 5000009218 |
| Reversible Vibratory Plate, 50 kN, 45cm/18in | BPU 5045A | 5000008545 |
| Portable Generator with Electr ic Start, 50Hz | GS5.7AI | 5000009039 |
| Portable Generator, 50Hz | G5.7AI | 5000009040 |
| Portable Generator, 50Hz | G4.6AI | 5000009037 |
| 50Hz Portable Generator with E lectric Start | GS4.6AI | 5000009038 |
| Portable Generator | G4.6AIT | 5000009461 |
| BPU5545A-VIBROPLATE | BPU 5545A | 5000610346 |
| Vibratory Plate BPU 5545A US | BPU 5545A US | 5100000678 |
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.
