2 Pack 498260 Carburetor Overhaul Kit Gasket Set For Briggs & Stratton 398183 490937 492495 493762 498261 T490937 Quantum 3.5HP 4HP 5HP Lawn Mower

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How long does delivery take?
3-7 business days.

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US , CA and Mexico, only US with free shipping.
While we need to charge $4.99 shipping fee for the following US areas:
1. Alaska
2. Hawaii
3. Puerto Rico

Thank you for your understanding.

Returns Policy

1 Year Warranty


Hipa guarantees any products will be defect-free (material and workmanship) under normal use and service for ONE YEAR. For any manufacturing quality problems, we will offer you a replacement within one year of receipt of your original purchase.

30-Day Returns Policy


We have a 30-day returns policy, which means you have 30 days after receiving your item to request a return. If you need to return a product purchased online from Hipastore.com, here is what you need to know:

Items shipped from Hipastore.com can be returned within 30 days of receipt of shipment for a full refund. (Original shipping fees are not refundable.)

To start a return, you can contact us at service@hipastore.com. If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. You can always contact us for any return questions at service@hipastore.com.

1."What does a carburetor gasket do?"

A:"Here's a breakdown of what it does:
Seals the Carburetor: It prevents air and fuel leaks around the carburetor, which could cause an incorrect air/fuel mixture, leading to poor engine performance or stalling.
Prevents Contaminants: The gasket helps keep dirt, debris, and moisture out of the carburetor, ensuring that only clean fuel and air are mixed and sent to the engine.
Maintains Engine Efficiency: By ensuring the carburetor is securely attached and sealed, the gasket helps maintain the correct pressure and fuel flow, ensuring the chainsaw runs efficiently.
If the gasket becomes damaged or worn out, it can lead to problems like rough idling, engine sputtering, or even difficulty starting the chainsaw. In that case, replacing the gasket is necessary to keep your chainsaw running smoothly."

2."How do I know if my carburetor gasket is bad?"

A:"Here are some common signs that indicate a bad carburetor gasket:
Engine Stalls or Has Trouble Starting:
A leaking gasket can cause an incorrect air/fuel mixture, which may make it hard for the engine to start or cause it to stall frequently during use.
Rough Idle or Poor Engine Performance:
If the gasket is damaged or not sealing properly, the engine may idle rough or run inconsistently, with frequent surging or hesitation.
Air/Fuel Leaks:
If you notice fuel or air leaking around the carburetor area, it's a clear indication that the gasket is damaged and needs to be replaced.
Excessive Fuel Consumption:
A bad gasket can cause the carburetor to draw in extra air, which may result in a richer fuel mixture, leading to higher fuel consumption.
Unusual Smell or Smoke:
If the gasket fails, it may cause unburned fuel to leak out, potentially producing an unusual fuel smell or excess smoke during operation.
Difficulty with Acceleration:
A faulty gasket can disrupt the carburetor’s function, leading to poor throttle response or lag when trying to accelerate.
Hissing Sound:
If the gasket is leaking air, you may hear a hissing noise coming from the carburetor area while the chainsaw is running.
If you're experiencing any of these symptoms, it’s a good idea to inspect or replace the carburetor gasket to restore your chainsaw's performance."

3."Can I replace a carburetor gasket myself?"

A:"Yes, replacing a carburetor gasket is typically a straightforward process, but it requires the right tools and care to ensure proper sealing."

4."How often should I replace my carburetor gasket?"

A:"There’s no specific timeline, but it’s advisable to inspect it when you’re performing routine maintenance or if you notice performance issues. Especially when your carburetor is not working, it'e better for you to change the gasket together."

5."Can a bad carburetor gasket cause engine problems?"

A:"Yes, a faulty gasket can lead to air/fuel mixture problems, poor engine performance, stalling, or even damage to other engine components."

6."What causes a carburetor gasket to fail?"

A:"Gasket failure can result from age, wear, heat exposure, or improper installation, leading to cracks or deformation."

7."How do I clean a carburetor gasket?"

A:"You generally shouldn’t clean a gasket. If it’s dirty, it’s usually best to replace it, as cleaning can damage it or fail to restore a proper seal."

8."What material are carburetor gaskets made of?"

A:"Carburetor gaskets are often made of carbon fiber, rubber, cork, or paper, depending on the engine type and the product’s specifications."