Overview
The Generac 0G8442A112 is the complete carburetor assembly for the 420cc engine used on Generac portable generators. Replacing a varnished or worn carburetor with a new one restores proper fuel metering, so the generator starts easily and holds a steady speed under load. This is a genuine Generac OEM part, supplied new.
Key features
- Complete carburetor assembly, ready to bolt on
- Genuine Generac part made for the 420cc portable-generator engine
- Replace the carburetor gaskets at the same time: 0G84420156 (carburetor to air cleaner) and 0G9916 (carburetor to spacer)
Fits
- Engines: Generac 420cc portable generator engine
- Typical equipment: Generac 420cc portable generators; sellers list it for the GP7500E and GP8000E
- Confirm fitment: carburetors differ between engine and model versions, so check the model and serial label on the generator frame and send them to us to confirm before ordering.
Specifications
| Brand | Generac |
|---|---|
| MPN | 0G8442A112 |
| Also listed as | 0G8442 A112; GEN0G8442A112 |
| Part type | Carburetor assembly |
| Engine | 420cc (portable generator) |
| Related gaskets | 0G84420156 carburetor-to-air-cleaner; 0G9916 carburetor-to-spacer |
| Package size | 8 × 4 × 4 in |
| Shipping weight | 0.9 lb |
| Condition | New, genuine OEM |
Frequently asked questions
Which generators use the 0G8442A112 carburetor?
It is the carburetor for the 420cc engine on Generac portable generators and is listed by sellers for the GP7500E and GP8000E. Send us your model and serial number and we will confirm it.
Should I replace the gaskets too?
Yes, it is good practice. The gaskets used with this carburetor are 0G84420156 (carburetor to air cleaner) and 0G9916 (carburetor to spacer).
Can I rebuild my old carburetor instead?
Light varnish can sometimes be cleaned, but a new assembly is the surest fix when the jets, float or throttle shaft are worn or the body is corroded.
Is this a genuine Generac carburetor?
Yes. This is a new, genuine Generac part, not an aftermarket copy.
What are the signs of a bad generator carburetor?
Hard starting, surging or hunting, running only with the choke on, and stalling under load are common signs of a dirty or failed carburetor.
How do I prevent carburetor problems?
Use fresh fuel with stabilizer, and run the carburetor dry or drain it before long-term storage.
$100 minimum order (or add a $20 handling fee)
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Generac · 0G8442A112
Generac 0G8442A112 Carburetor Assembly for 420cc Portable Generator Engines (GP7500E / GP8000E)
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