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Bunn 21431.0003

Bunn 21431.0003 Washer .281 Id X 1.00 Od X .060 Thk Sst

Regular price $1.50

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 Washer .281 ID x 1.00 OD x .060 THK SST (21431.0003) available at Kaldi.com is a high-quality replacement part designed specifically for BUNN coffee machines. Crafted from durable stainless steel (SST), this washer ensures long-lasting performance and resistance to corrosion, making it ideal for use in commercial and home coffee brewing environments. Its precise dimensions — a 0.281-inch inner diameter, 1.00-inch outer diameter, and 0.060-inch thickness — guarantee a perfect fit for compatible BUNN models, helping maintain a secure and leak-free seal within the machine’s assembly.

Designed to withstand consistent exposure to hot water and coffee oils, this stainless steel washer enhances the overall reliability and longevity of your coffee machine. Its robust construction minimizes wear and tear, reducing the need for frequent replacements. By maintaining a tight seal, the washer prevents leaks and pressure loss, which can affect brewing quality and machine efficiency. This ensures your BUNN coffee maker continues to operate smoothly, delivering optimal performance and a consistent, rich coffee flavor every time.

Installation of the BUNN Washer .281 ID x 1.00 OD x .060 THK SST (21431.0003) is straightforward, making it an excellent DIY replacement part for coffee enthusiasts and professional technicians alike. Whether you are servicing commercial-grade equipment in a busy café or maintaining your personal BUNN machine at home, this washer offers an economical and effective solution to common maintenance issues. Purchase this part from Kaldi.com today to keep your coffee machine running at peak performance and enjoy the perfect brew with every cup.

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 #21431.0003 fits Bunn machines, including the ULTRA NX series. 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.

Our current database shows fitment for the ULTRA NX series. However, many Bunn components are interchangeable across different platforms. If you have successfully installed Part #21431.0003 on a model we haven't listed, please let us know so we can update our records for the community.

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 washer .281 id x 1.00 od x .060 thk sst ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #21431.0003 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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