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Bunn 40188.0000

O-Ring, (1MMX5MM) Buna-N 70 (40188.0000)

Regular price $0.90

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

The Bunn 40188.0000 O-Ring, (1MMX5MM) Buna-N 70, is a critical genuine OEM replacement part designed for a variety of Bunnomatic commercial coffee and liquid dispensing equipment. This small yet essential component features a precise construction of Buna-N (Nitrile) rubber with a durable 70 Durometer hardness. Its exact dimensions of 1MM x 5MM (Cross Section x Inner Diameter) ensure a perfect, tight fit, making it a vital item for maintaining the integrity of your machine's internal components and preventing leaks.

This O-Ring's Buna-N 70 material is highly resistant to a broad range of substances, including petroleum-based oils, hydraulic fluids, and greases, which are often present in commercial coffee machine environments. This stability, combined with excellent resistance to compression set, tearing, and abrasion, gives the O-Ring an extended service life and guarantees a secure, leak-free seal under demanding operational pressures and temperatures.

The Bunn 40188.0000 is essential for servicing Bunnomatic models such as the LCA, LCC, and other Liquid Coffee Systems. Using this genuine OEM part ensures that your equipment maintains the manufacturer's specified performance and reliability. Keep your commercial coffee equipment running smoothly and avoid costly downtime by having this durable O-Ring on hand for essential repairs and maintenance, available now at Kaldi.com.

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 #40188.0000 fits Bunn machines, including the LCA, LCC 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 LCA, LCC series. However, many Bunn components are interchangeable across different platforms. If you have successfully installed Part #40188.0000 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 ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #40188.0000 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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