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

Bunn 43500.1174

REAR PISTON ASSEMBLY (43500.1174)

Regular price $496.60

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 Rear Piston Assembly (43500.1174) is a high-quality replacement part designed to ensure optimal performance and longevity of your BUNN commercial coffee brewer. Engineered with precision, this rear piston assembly plays a critical role in the coffee machine’s water flow system, helping maintain consistent pressure and smooth operation. Crafted from durable materials, it withstands the rigorous demands of busy coffee shops, cafes, and restaurants, ensuring reliable extraction and a perfect brew every time.

Featuring an easy-to-install design, the BUNN Rear Piston Assembly (43500.1174) minimizes downtime by allowing quick maintenance without the need for specialized tools or extensive technical knowledge. Its compatibility with a range of BUNN models makes it a versatile and practical solution for operators seeking to extend the life of their coffee equipment. By replacing worn or damaged piston assemblies, users can restore their machines to factory specifications, enhancing both efficiency and taste quality for all brewed coffee.

With precise dimensions and robust construction, this BUNN piston assembly meets strict manufacturing standards, ensuring seamless integration and peak performance. Ideal for professional environments, it supports continuous high-volume use, reducing the risk of costly breakdowns and repairs. Investing in the BUNN Rear Piston Assembly (43500.1174) from Kaldi.com guarantees you maintain superior coffee quality and operational reliability, helping your business deliver exceptional coffee experiences day after day.

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 #43500.1174 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 rear piston assembly ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #43500.1174 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