Add a 5 lb bag of custom roasted coffee to your parts order and get an extra 25% off our wholesale coffee prices!

Bunn 55300.1558

Bunn 55300.1558 O-Ring 12.00X1.50 Fkm

Regular price $3.70

This part ships directly from Bunn and stock is not guaranteed. Lead time averaging 4 to 6 business days for ground shipments, 1 to 2 business days for Overnight.

If unavailable, the item will be backordered. If you have any questions check parts sheets below description. Please email or chat to confirm availability prior to ordering.

Description Details

BUNN Coffee Machine Part O-RING 12.00X1.50 FKM (55300.1558) is a high-quality replacement seal designed to maintain the optimal performance and longevity of your BUNN coffee maker. Crafted from durable FKM (fluoroelastomer) material, this O-ring provides excellent resistance to heat, chemicals, and wear, ensuring a reliable, leak-free seal even under high-temperature brewing conditions. Its precise dimensions of 12.00mm inner diameter and 1.50mm thickness guarantee a perfect fit, making it an essential component for preserving your coffee machine’s integrity.

Replacing worn or damaged O-rings with the BUNN 55300.1558 part helps prevent leaks and pressure loss during the brewing process, directly contributing to improved coffee quality and machine efficiency. Easy to install, this O-ring supports the seamless operation of your BUNN coffee equipment, reducing the need for costly repairs or costly downtime. By maintaining the tight seal at critical connection points, it ensures consistent pressure and optimal extraction, resulting in richer, more flavorful coffee every time.

Compatible with a variety of BUNN coffee machine models, the O-RING 12.00X1.50 FKM is a vital maintenance part for any coffee enthusiast or professional barista aiming for peak performance from their equipment. Whether used in commercial or home coffee setups, its robust construction and precise engineering offer lasting durability and peace of mind. Order the BUNN 55300.1558 O-ring on Kaldi.com to keep your coffee machine running smoothly and enjoy unmatched brewing reliability.

Descriptions are for reference only. We do our best to fill in the blanks when manufacturers don’t provide descriptions, but details can vary. We strongly recommend checking with the manufacturer for the exact part number you need. Ordering based on the part number—rather than the description—is the best way to ensure compatibility.

Frequently Asked Questions

This Part #55300.1558 fits Bunn machines. Compatibility may be specific to the machine's production year and model. Please consult the technical PDFs and compatibility data on this page to confirm a match for your specific unit before finalizing your purchase.

Compatibility for this specific Bunn part is currently being indexed. Because many parts from this manufacturer are cross-compatible, we rely on technical feedback. If you know this is a match for a specific machine, please contact us to help us verify and add it to our list.

If you are unsure of the fit, do not guess. To prevent downtime, please view our Compatible Parts Diagrams to check the exploded view PDF for your specific unit, or message our parts team for assistance.

Parts from Bunn including this o-ring 12.00x1.50 fkm ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #55300.1558 is a 100% genuine OEM component sourced directly from the Bunn factory. Using original parts ensures your equipment maintains its factory-spec pressure ratings and safety certifications.
Lead times for Bunn parts typically range from 4 to 6 business days depending on availability. Next Day Air parts usually ship within 1 to 2 business days.
All Bunn parts come with a 730-day manufacturer's warranty. Contact us for specific warranty details.
All Bunn parts come with a 30 day return policy. Please see our refund policy or chat for more details.

Commercial Coffee Machine Part Manufacturers