★★★★★ 5
recommend
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
great price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
Turbo Boost Cut-Off Control Valve / Bypass Valve (TUR 0 280 142 371)
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Turbo Boost Cut-Off Control Valve / Bypass Valve (TUR 0 280 142 371)A Patrick Motorsports Exclusive Boost Cut Off Control Valve For Turbo Bypass Recirculation Type Optimized Spring Pressure For Elevated Boost Pressures Includes 90 Deg. Swivel Vacuum Port For Easy Installation Billet Aluminum Black Anodized 1989 1994 Porsche 964 Turbo (965) 993 Turbo 996 Turbo GT2 S Cayenne Turbo Mode Inc. Motorsport Design Sold Each 1 or 2 Per Car Note: Twin Turbo Models Use 2 Units. Note: This Unit Can Also Be Used On All 911 Turbo
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4.4 ★★★★★
Based on 45 reviews
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Product Reviews
★★★★★ 4
Does not come with a pump.
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
The Good: Changing the fluid in the lower unit is a very easy DIY job. This can save you hundreds of dollars each year by doing it yourself.
The Bad: You need a special pump to change the oil, and sometimes it comes with the gear lube. Unfortunately this product did not come with it. Luckily my neighbor had an extra one from changing the lube a different boat laying around and was able to use that.
The Ugly: If you have to go get the pump, that could cost a few extra dollar but is just an extra nuisance. The pumps are interchangable but you just need to clean it between uses (DON'T MIX DIFFERENT OIL BRANDS)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 28, 2025
★★★★★ 5
Works fine in outdrive
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
Good gear oil. Purple dye for leak detection
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
★★★★★ 5
Good Quality
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
Always the best quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2026
★★★★★ 5
Looks well made
Looks well made. Rubber seems pliable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 15, 2026
