


Boost Control Solenoid - 4 Port (4BCS)
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Boost Control Solenoid - 4 Port (4BCS)Thinking of turning up the boost to max? Then this 4 port boost control solenoid is perfect. It allows for precise boost control of up to 120PSI. 4 port Boost control solenoids are commonly used for big boost applications, boost levels can be raised as high as 6 7 times the spring pressure of the wastegate and they allow you to use lower wastegate spring pressures for more precise boost control when launching. Particularly useful in high power
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Your Boost Control Solenoid - 4 Port (4BCS) orders ship within 1-2 business days.
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- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 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.
- To process your return/exchange, please contact us at [email protected]
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★★★★★ 5
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Number of Items: 1
Installed easily and works perfectly. Engages the trim and starter reliably every time. Solid, durable, and great value.
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Reviewed in the United States on December 9, 2025
★★★★★ 5
Works Great
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I have a 1988 mercury/mariner 75 hp motor. My motor would not go down. Purchased this solenoid to replace the old one. Fit perfect and fixed my problem
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Reviewed in the United States on October 30, 2025
★★★★★ 5
Just the part I needed
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It was a perfect match to the one I needed to replace. And the shipping was lightning fast
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Reviewed in the United States on April 7, 2026
★★★★★ 5
Works great
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Works great easy fix for my Merc. Trim motor
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Reviewed in the United States on September 3, 2025
★★★★★ 5
Worked well
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Worked well for the money
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Reviewed in the United States on December 27, 2025