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Free shipping on orders over $50. Order by 5pm PST / 8pm EST Mon–Fri or 2pm PST / 5pm EST Sat and it ships same day!Free shipping over $50 · Ships same day by 5pm PST
Tech help: text or call 248-403-8512
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Home  /  Parts & Accessories  /  Vinyl Caps  /  Vinyl Cap 3/8" - Black - Cap Off Vacuum & Boost Ports
  • 3/8" black vinyl cap, closed dome top
  • 3/8" black vinyl cap, open end

    • Vinyl Cap 3/8" - Black - Cap Off Vacuum & Boost Ports

    $1.50
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    Order by 5pm PST / 8pm EST Mon–Fri or 2pm PST / 5pm EST Sat and it ships same day!
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      • Same-day processing
      • Free shipping over $50
      • Lifetime warranty
      Tech help: text or call 248-403-8512 Designed and engineered in the USA
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      Black vinyl cap, 3/8" size. Push it over an open vacuum nipple, hose barb or boost port to seal it off during a boost leak test, so the air stays in the intake and you can actually find the leak.

      • Size: 3/8" (sold individually)
      • Soft, flexible black vinyl that stretches for a snug, airtight fit
      • Closed dome top, open end slides on
      • Reusable
      • Great for capping off PCV, brake booster, BOV/diverter and evap lines while you test

      Need a few sizes? Grab the 10-piece vinyl cap set.

      Free shipping on orders over $50. Ships same day when ordered before 5pm PST Mon–Fri or 2pm Sat.

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