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Bunn 43231.0000

Bunn 43231.0000 Washer, M4X9Mm Stainless Steel Black Oxide

Regular price $0.50

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

Ensure the longevity and reliability of your commercial BUNN coffee equipment with the genuine OEM Washer, M4x9mm Stainless Steel Black Oxide (BUNN Part #43231.0000) from Kaldi.com. As a critical piece of Fasteners & Hardware, this official Bunn replacement part is crafted from durable stainless steel and finished with black oxide. Using this high-quality part ensures you maintain the original performance standards of your Bunnomatic commercial beverage machines, minimizing downtime in your coffee service operations.

This specialized M4x9mm flat washer provides essential load distribution and creates secure, tight connections within your espresso or coffee equipment assemblies. The robust stainless steel construction offers excellent strength and corrosion resistance, which is vital in the harsh, moist environment of a commercial coffee machine like the Bunnomatic SERVERTF model. Replacing worn or damaged washers with this OEM component helps prevent leaks, maintains proper equipment integrity, and guarantees the secure operation of critical systems.

Technical specifications for this indispensable component include an M4 inner diameter, a 9mm outer diameter, and a nominal thickness of approximately 0.7-0.9mm. This Washer, M4x9mm Stainless Steel Black Oxide is an exact match for the original part, making it the ideal choice for service technicians performing repairs or routine maintenance. Trust Kaldi.com for all your authentic BUNN replacement parts, including this essential washer, to keep your commercial coffee and espresso machines running flawlessly.

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 #43231.0000 fits Bunn machines, including the CRESCENDO 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 CRESCENDO series. However, many Bunn components are interchangeable across different platforms. If you have successfully installed Part #43231.0000 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 washer, m4x9mm stainless steel black oxide ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #43231.0000 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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