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Carburetor Repair Kit – Fits Onan P216G, P218G, P220G, P224G Engines (Replaces 146-0657, 146-0478, 146-6100)
- $24.50
- $24.50
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Carburetor Repair Kit – Fits Onan P216G, P218G, P220G, P224G Engines
This carburetor repair kit is designed for Onan P-Series engines, including the P216G, P218G, P220G, and P224G models. It also fits related OL16, OL18, OL20 series, and Miller Onan Engine models LX720, LX770, LX790, B48G-GA020, and B48G-GA19.9.
This kit serves as a direct replacement for Onan part numbers 146-0657, 146-0650, 146-0478, and 146-6100. Important: This kit is compatible only with Nikki brand carburetors and is not suitable for generator applications.
- Installation: Direct OEM replacement parts for a precise fit.
- Compatibility: Specifically designed for Nikki carburetors used on gasoline engines.
- Complete Kit: Includes essential gaskets, float assembly, float valve, and hardware for a full rebuild.
Part Number Cross-Reference
Use this table to confirm equivalent part numbers. This kit replaces the following Onan parts.
| Brand | Part Number | Notes |
|---|---|---|
| Onan | 146-0657 | Superseded part number 146-0650 |
| Onan | 146-0650 | Superseded by 146-0657 |
| Onan | 146-0478 | |
| Onan | 146-6100 |
Compatible Engine Models
Confirm your engine model/year in the table below.
Onan Engines
| Brand | Model | Rated HP | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|---|
| Onan | P216G | 16 | 4-Stroke | 146-0657 | Superseded 146-0650 |
| Onan | P218G | 18 | 4-Stroke | 146-0657 | Superseded 146-0650 |
| Onan | P220G | 20 | 4-Stroke | 146-0657 | Superseded 146-0650 |
| Onan | P224G | 24 | 4-Stroke | 146-0657 | Superseded 146-0650 |
| Onan | LX720 | 4-Stroke | 146-0657 | Also listed as OL16 | |
| Onan | LX770 | 4-Stroke | 146-0657 | Also listed as OL18 | |
| Onan | LX790 | 4-Stroke | 146-0657 | Also listed as OL20 | |
| Onan | OL16 | 16 | 4-Stroke | 146-0657 | Same as LX720 |
| Onan | OL18 | 18 | 4-Stroke | 146-0657 | Same as LX770 |
| Onan | OL20 | 20 | 4-Stroke | 146-0657 | Same as LX790 |
| Onan | B48G-GA020 | 4-Stroke | 146-0657 | Miller Onan Engine | |
| Onan | B48G-GA19.9 | 4-Stroke | 146-0657 | Miller Onan Engine | |
| Onan | P126G | 4-Stroke | 146-0657 | ||
| Onan | P128G | 4-Stroke | 146-0657 | ||
| Onan | T260G | 4-Stroke | 146-0657 | Beginning Spec F |
Compatible Nikki Carburetors
| Onan Carb Part Number | Application | Notes |
|---|---|---|
| 146-0388 | Nikki Carburetor | For P-Series engines |
| 146-0389 | Nikki Carburetor | For P-Series engines |
| 146-0412 | Nikki Carburetor | For P-Series engines |
| 146-0428 | Nikki Carburetor | For P-Series engines |
| 146-0430 | Nikki Carburetor | For P-Series engines |
| 146-0478 | Nikki Carburetor | For P-Series engines |
| 146-0479 | Nikki Carburetor | For P-Series engines |
| 146-0495 | Nikki Carburetor | For P-Series engines |
| 146-0496 | Nikki Carburetor | For P-Series engines |
| 146-0659 | Nikki Carburetor | For P-Series engines |
| 146-0697 | Nikki Carburetor | For P-Series engines |
| 146-0698 | Nikki Carburetor | For P-Series engines |
| 146-0700 | Nikki Carburetor | For P-Series engines |
Technical Specifications
| Specification | Value |
|---|---|
| Product Type | Carburetor Repair Kit |
| Installation | Direct OEM replacement |
| Fuel Type | Gasoline |
| Connection | Nikki carburetor specific |
| Dimensions | 7.95 x 5.63 x 1.54 in (201.93 x 143 x 39.12 mm) |
| Warranty | 6 Months (per eBay seller) |
| Fitting Type | Nikki brand carburetor specific |
| Other Technical Attributes | For Nikki brand carburetors only |
Package Contents
- 1 x Air Horn Gasket
- 4 x Set Screws
- 1 x Float Valve
- 1 x Float Pin
- 1 x Float Assembly
- 2 x Gaskets
- 2 x O-Rings
- 1 x Fuel Filter
- 3 x Straps
- 2 x Rubber Pipes
Important Note: Two different bowl gasket styles were used on these carburetors. Please inspect your old gasket to verify the correct pattern before ordering to ensure compatibility.
Installation Guide
- Safety First: Disconnect the negative battery terminal and ensure the fuel supply valve is turned off. Place a rag under the carburetor to catch any fuel drips.
- Remove Air Cleaner: Detach the air cleaner assembly to access the carburetor.
- Disconnect Linkages & Hoses: Carefully disconnect the throttle and choke linkages, fuel lines, and any vacuum hoses. Note their positions for reassembly.
- Remove Carburetor: Unbolt the carburetor from the intake manifold and remove it from the engine.
- Disassemble Carburetor: Working in a clean area, carefully disassemble the carburetor. Pay close attention to the order and orientation of all gaskets, jets, and the float assembly.
- Clean Components: Thoroughly clean all metal components with a quality carburetor cleaner spray. Do not use cleaner on rubber or plastic parts. Ensure all passages are clear of debris.
- Install New Parts: Replace the old gaskets, float, needle, and other components with the new parts from the kit. Ensure the float is set to the correct height per your engine's service manual.
- Reassemble and Reinstall: Reassemble the carburetor and mount it back onto the engine manifold. Reconnect all linkages, hoses, and the air cleaner.
- Final Checks: Reconnect the battery, turn the fuel supply on, and check for any leaks. Start the engine and make any necessary idle or mixture adjustments.
Troubleshooting & FAQ
Q: How do I confirm this kit fits my engine?
A: First, check that your Onan engine model (e.g., P216G, LX720, B48G-GA020) is listed in the "Compatible Engine Models" table above. Second, you must confirm your engine uses a Nikki brand carburetor, as this kit is not compatible with other brands. This kit is also not intended for use in generator applications.
Q: My carburetor bowl gasket looks different. Will this kit work?
A: Onan used two different bowl gasket styles across the production years of these carburetors. It is critical to compare your existing bowl gasket with the product images to ensure you receive the correct style for your specific unit before purchasing.
Q: What are the signs I need to rebuild my carburetor?
A: Common symptoms include difficulty starting, rough idling, stalling, black smoke from the exhaust (running rich), or engine hesitation. Leaking fuel from the carburetor is also a clear sign that the seals and gaskets have failed and a rebuild is necessary.
Q: Is this an OEM part?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.
Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.
Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.
Important Notes
- Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
- This product is an aftermarket replacement part and is not an OEM component.
- Professional installation is recommended to ensure safety and optimal performance.
Why Choose JLM MARINE?
- Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
- Fast Global Shipping: Free delivery worldwide in 5–15 days.
- Direct from Manufacturer: Competitive pricing without compromising quality.
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