Description
Product Overview
The JT Custom Float Bowl Gasket is engineered to replace the original carburetor bowl cover seal on a wide range of small engines. Crafted from high‑grade rubber, the gasket offers excellent resistance to oil, fuel, and heat, maintaining elasticity even under demanding conditions. Its dimensions—3.9 x 3.9 x 0.39 inches—and weight of just 0.634 ounces make it a lightweight yet robust component. Designed to match model number 631028A, it ensures a perfect fit without the need for modifications.
Usage
This gasket is ideal for automotive enthusiasts, small engine repair shops, and DIY mechanics who need a reliable replacement for carburetor bowl covers. Install it on motorcycles, lawn mowers, generators, or any equipment that utilizes a float‑type carburetor. The gasket’s flexible material accommodates slight variations in mounting surfaces, providing a tight seal that prevents fuel leaks and improves engine efficiency.

Why Choose Us
JT Custom is known for precision manufacturing and rigorous quality control. Each gasket undergoes dimensional testing to guarantee compatibility with OEM specifications. Our product carries a strong customer rating of 4.5 stars from 19 reviews, reflecting satisfaction with fit and durability. Backed by a responsive support team, we offer guidance for installation and address any concerns promptly.
Key Features
- High‑grade rubber material resists oil, fuel, and heat
- Exact OEM dimensions for model 631028A ensure a perfect fit
- Lightweight design simplifies handling and installation
- Improves engine performance by preventing fuel leaks
- Backed by JT Custom’s quality assurance and customer support
FAQ
What engines are compatible with this gasket?
The gasket fits any carburetor bowl that uses the JT Custom part number 631028A, commonly found in small engines for motorcycles, lawn equipment, and generators.
Is any special tool required for installation?
No special tools are needed. Simply remove the old gasket, clean the mounting surface, and press the new rubber gasket into place ensuring an even seal.
Can this gasket be used in high‑temperature environments?
Yes, the rubber compound is formulated to withstand the high temperatures typical of carburetor operation without hardening or cracking.
What is the warranty on this product?
JT Custom offers a one‑year limited warranty covering manufacturing defects. Contact our support team with your purchase details for assistance.
How do I verify the correct part number?
Check the existing gasket or the engine’s service manual for the part number 631028A. The packaging and product label also display this number for easy verification.




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