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Ships within 48 hours · Estimated delivery Jun 28 - Jul 3
For Your Every Summer RSVP, with Code: SUMMER15
Description
SMC Soft Start-Up Valve, AV4000-F04-5DOBAThe SMC Soft Start Up Valve, model AV4000 F04 5DOBA, is an essential component for controlling air flow in pneumatic systems. Designed for efficiency, this valve ensures a smooth start up process, minimizing pressure surges and enhancing system longevity. With its robust construction and reliable performance, the SMC Soft Start Up Valve is ideal for various applications. It provides precise control, making it a perfect choice for those seeking to

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- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.4 ★★★★★
Based on 2028 reviews
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Product Reviews
★★★★★ 1
Buy OEM
Finish is fine but sizing is wrong and these don't fit tight but rattle. About 3/4" movement in all ways, which will lead to scratched paint.
If you've got a beater, these are fine but for my clean M3, I'll buy OEM from FCP or Turner.
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Reviewed in the United States on June 15, 2024
★★★★★ 5
Great
Convenience
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Reviewed in the United States on August 18, 2020
★★★★★ 5
Fits like factory
Fits as should. No issues installing
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Fit well
All good
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Reviewed in the United States on January 20, 2026
★★★★★ 5
Fits Avis
Fit our Avis side by side perfectly
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Reviewed in the United States on March 27, 2026




