Koubliztic Carburetor Kit for Bolens 21in 140cc Lawn Mower – Briggs & Stratton 300E/450E/500/550EX Engines
- £38.72
- £38.72
- Unit price
- per
Couldn't load pickup availability
Free UK Delivery on All Orders
Free Returns
Description
xUpgrade your Bolens mower with a precise, ready to install Koubliztic carburetor kit
Designed to replace Bolens 21 inch models 11A-B0BL765 and 11A-020W765, this kit also accommodates Briggs & Stratton 300E, 450E, 500, and 550EX series engines. The result is a cleaner fit, steadier idle, and dependable starts that refresh your mower experience without surprises.
Quality construction and careful testing set this kit apart. Each component uses durable materials and is factory tested to promote stable engine behavior. The parts feel substantial in hand, with tight tolerances and a secure fit when assembled, contributing to predictable performance over time.
The package covers a complete swap. You get a carburetor and all related parts in one kit, reducing trips to the store and simplifying maintenance. Included items are a carburetor, spark plug, air filter, air filter cover, base, throat clamps, primer bulb, fuel filter, fuel shutoff valve, two rings, and two fuel hoses. Each piece is designed for straightforward alignment with the mower mounting points, helping the installation move smoothly from start to finish.
Ease of installation stands out for DIY enthusiasts and professionals alike. Parts are clearly labeled and sized for simple mounting. The swap can take as little as five to ten minutes with basic tools, and online installation videos are readily available to guide the process and keep downtime to a minimum.
Compatibility is broad, covering a wide range of Bolens and Briggs & Stratton configurations. This makes the kit a flexible option whether you maintain a single mower or multiple units with overlapping engine families. While not guaranteeing universal fit, the listed part numbers and engine series indicate a solid match for the targeted models and generations of Briggs & Stratton engines.
In practice, users often notice improved throttle response and steadier operation after replacing worn components with this kit. The result is a quieter, more reliable mowing experience with smoother acceleration during routine cuts, all without committing to uncertain outcomes.
FAQ
Q: Is this carburetor kit compatible with my Bolens 21 inch mower?
A: Yes. It replaces Bolens models 11A-B0BL765 and 11A-020W765 and fits Briggs & Stratton 300E, 450E, 500, and 550EX engines.
Q: How long does installation take?
A: Most users complete the swap in 5–10 minutes with the included parts and online installation videos.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Complete Your Setup
- £38.72
- £38.72
- Unit price
- per
- £38.72
- £38.72
- Unit price
- per
- £38.72
- £38.72
- Unit price
- per
- £38.72
- £38.72
- Unit price
- per
- £38.72
- £38.72
- Unit price
- per
- £38.72
- £38.72
- Unit price
- per
- £38.72
- £38.72
- Unit price
- per
- £38.72
- £38.72
- Unit price
- per
- £38.72
- £38.72
- Unit price
- per
- £38.72
- £38.72
- Unit price
- per
Recently Viewed Products
- £38.72
- £38.72
- Unit price
- per
- £38.72
- £38.72
- Unit price
- per
- £38.72
- £38.72
- Unit price
- per
- £38.72
- £38.72
- Unit price
- per
- £38.72
- £38.72
- Unit price
- per
- £38.72
- £38.72
- Unit price
- per
- £38.72
- £38.72
- Unit price
- per
- £38.72
- £38.72
- Unit price
- per
- £38.72
- £38.72
- Unit price
- per
- £38.72
- £38.72
- Unit price
- per