Best in 7 days
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Ships within 48 hours · Estimated delivery Jul 2 - Jul 7
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Description
Honeywell 621-9940C Serial I/O Module Board Factory SealedBrand: Honeywell Condition: 100% New Original Payment Terms: T T Minimum Order Quantity: 1pc The Honeywell 621 9940C is a 12 port serial I O module board that is used to connect Honeywell programmable logic controllers (PLCs) to serial devices. It is a versatile and powerful board that can be used in a wide variety of applications. Technical Specifications Number of ports: 12 Port type: RS 232 Baud rate: Up to 115. 2 kbps Data bits: 7 or 8 Stop bits:
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.7 ★★★★★
Based on 2299 reviews
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Product Reviews
★★★★★ 5
Fits as advertised
Good item
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
★★★★★ 4
Don't spend $50 at the shop, do it yourself.
Filter fits as it should. Good price for what feels line a quality part.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 4, 2026
★★★★★ 5
DIY
Good price and fit my 2018 subaru crosstrek. Saved money switching it out myself. Super easy to do it yourself
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Reviewed in the United States on February 15, 2026
★★★★★ 5
Perfect fit
Perfect fit on my 2019 Subaru Forester.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Easy install
Perfect fit
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Reviewed in the United States on March 24, 2026
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