★★★★★ 5
Perfect fit
Size: 1-Pack
Perfect fit, easy install
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
Wilwood GS Integral Master Cylinder - .700in Bore
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Wilwood GS Integral Master Cylinder - .700in BoreWilwoods new GS Compact Integral Master Cylinders are an all new rebuildable design featuring a high pressure die cast aluminum body with a protective e coat finish. Integral cylinders feature a positive seal internal bellows cap. Internally, a refined return spring and piston assembly assures positive pressure control along with a quick and complete release.
Quick Dispatch:
Your Wilwood GS Integral Master Cylinder - .700in Bore orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Wilwood GS Integral Master Cylinder - .700in Bore ships.
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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]
- Please click here for more details>>> Return & Exchange Policy
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4.9 ★★★★★
Based on 1454 reviews
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Product Reviews
★★★★★ 5
Happy with purchase
Great fit, seems good quality, would buy again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
★★★★★ 5
It is an air filter
Fit perfect easy replacement and saves $$$.
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Perfect fit for 2020 Subaru Outback
Fit my 2020 Subaru Outback perfectly. 5-minute install. Works great. My previous cabin filter was scary to see.
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Reviewed in the United States on December 16, 2025
★★★★★ 5
Good, inexpensive replacement filter
I've used these filters for a couple years (four replacements) on my Subaru Crosstrek, and they seem to do the job well, probably as well as the original. I generally remove and clean them every three months, and replace them every six.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
