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Bunn 35800.1338

Bunn 35800.1338 O-Ring 2.9X1.78

Regular price $2.90

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 O-RING 2.9x1.78 (35800.1338) is an essential replacement part designed to ensure a tight seal and optimal performance for your BUNN coffee maker. Crafted from durable, food-grade rubber, this O-ring provides excellent resistance to heat and wear, maintaining a secure fit within the brewing system. Its precise dimensions of 2.9mm inner diameter and 1.78mm cross-section guarantee compatibility with specific BUNN models, making it an ideal choice for seamless installation and long-lasting operation.

Designed to prevent leaks and maintain proper pressure during the brewing process, the O-RING 2.9x1.78 enhances the overall consistency and quality of your coffee. By ensuring an airtight seal, this part helps avoid water or coffee spills, which can cause machine malfunctions or damage. Regular replacement of worn-out O-rings extends the life of your BUNN coffee machine while supporting smooth and efficient brewing cycles, ultimately delivering the rich flavor and perfect temperature your coffee deserves.

This genuine BUNN part is easy to install and is compatible with a variety of BUNN coffee machine models, making it a valuable addition to your coffee maker maintenance kit. Whether you are a coffee shop owner, office manager, or dedicated home barista, keeping the O-RING 2.9x1.78 (35800.1338) on hand ensures minimal downtime and reliable machine functionality. Available now at Kaldi.com, this replacement O-ring combines quality, durability, and precise engineering to help you enjoy consistent, high-quality coffee every time.

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 #35800.1338 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 2.9x1.78 ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #35800.1338 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.

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