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

Bunn 28081.0003

Bunn 28081.0003 Shaft Assy Auger Drive - .188 Pin Ultra

Regular price $201.20

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 SHAFT ASSY AUGER DRIVE - .188 PIN ULTRA (28081.0003) is a high-quality replacement part designed to ensure optimal performance and durability for your BUNN coffee machine. This precision-engineered shaft assembly is essential for the auger drive mechanism, responsible for accurately feeding coffee grounds during the brewing process. Manufactured with robust materials, the SHAFT ASSY AUGER DRIVE guarantees long-lasting reliability and smooth operation, reducing downtime and maintenance needs.

Featuring a .188-inch pin size tailored specifically for the Ultra series, this part delivers a perfect fit and seamless integration with your coffee machine’s internal components. Its sturdy construction supports consistent auger rotation, which helps maintain uniform coffee grind delivery and enhances overall brewing quality. Installing this shaft assembly helps preserve the machine’s efficiency, allowing you to enjoy rich, full-bodied coffee with every cup. Whether you are replacing a worn-out component or aiming to maintain your BUNN brewer in peak condition, this part offers an ideal solution.

Compatible with a range of BUNN Ultra coffee machines, the SHAFT ASSY AUGER DRIVE (28081.0003) is easy to install and engineered to meet strict OEM specifications. Its precise dimensions and reliable build prevent common operational issues such as jamming or uneven grind feed, ensuring consistent coffee extraction and great taste. Available now at Kaldi.com, this genuine BUNN replacement component is a must-have for coffee aficionados and commercial operators looking to maintain high standards of performance and beverage quality.

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 #28081.0003 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 #28081.0003 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 shaft assy auger drive - .188 pin ultra ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #28081.0003 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.
Compatible Products
ULTRA NX, 120V WHT/SST (58000.0000)
Regular price $3,293.62 Sale price$5,444.00
ULTRA NX, 120V WHT/SST (58000.0000)
-40%
ULTRA NX, 120V WHT/SST COASTAL (58000.0001)
Regular price $3,448.50 Sale price$5,700.00
ULTRA NX, 120V WHT/SST COASTAL (58000.0001)
-40%
ULTRA NX, 120V WHT/SST FLAT LID (58000.0002)
Regular price $3,250.06 Sale price$5,372.00
ULTRA NX, 120V WHT/SST FLAT LID (58000.0002)
-40%
ULTRA NX, 120V WHT/SST STD-HDL (58000.0003)
Regular price $3,287.57 Sale price$5,434.00
ULTRA NX, 120V WHT/SST STD-HDL (58000.0003)
-40%
ULTRA NX, 120V BLK (58000.0010)
Regular price $3,328.71 Sale price$5,502.00
ULTRA NX, 120V BLK (58000.0010)
-40%
ULTRA NX, 120V BLK CFV (58000.0011)
Regular price $4,100.69 Sale price$6,778.00
ULTRA NX, 120V BLK CFV (58000.0011)
-40%
ULTRA NX, 120V BLK FLAT LID (58000.0012)
Regular price $3,285.15 Sale price$5,430.00
ULTRA NX, 120V BLK FLAT LID (58000.0012)
-40%
ULTRA NX, 120V BLK LAF 2 VALVE (58000.0013)
Regular price $3,639.68 Sale price$6,016.00
ULTRA NX, 120V BLK LAF 2 VALVE (58000.0013)
-40%
ULTRA NX, 120V BLK STD-HDL (58000.0014)
Regular price $3,322.66 Sale price$5,492.00
ULTRA NX, 120V BLK STD-HDL (58000.0014)
-40%
ULTRA NX, 120V BLK/SST (58000.0015)
Regular price $3,314.19 Sale price$5,478.00
ULTRA NX, 120V BLK/SST (58000.0015)
-40%
ULTRA NX, 120V BLK/SST CFV (58000.0016)
Regular price $4,153.93 Sale price$6,866.00
ULTRA NX, 120V BLK/SST CFV (58000.0016)
-40%
ULTRA NX, 120V BLK/SST LAF (58000.0017)
Regular price $3,788.51 Sale price$6,262.00
ULTRA NX, 120V BLK/SST LAF (58000.0017)
-40%

Commercial Coffee Machine Part Manufacturers