Don't let a worn seal rob you of boost. This genuine replacement wastegate piston o-ring keeps your turbo build running tight, whether you're chasing a boost leak or doing a full turbo service. Features & Benefits Genuine BSI Inc. Part — Designed specifically for Black Sheep Industries wastegates, so you get a confirmed fit instead of gambling on a generic industrial o-ring from a bulk kit. Direct Drop-In Replacement — Restores boost pressure integrity at the wastegate piston, eliminating the sneaky seal-related leaks that throw off your boost control and tuning. Universal Turbo Application — Suited for gas and diesel performance builds alike; wherever a BSI Inc. wastegate is running, this seal is the correct service part. Low-Cost Maintenance Item — A small investment that protects a much larger one; replace it during a turbo rebuild or at the first sign of boost creep or unexplained pressure loss. Stocked in Canada — Ships domestically for quick delivery across Canada and the United States, so you're not waiting on an overseas order to get your build back on boost. When to Replace Common signs it's time for a new wastegate piston o-ring include boost leaks at the wastegate housing, inconsistent boost pressure, audible hissing under load, or any time you have the wastegate apart for service. It's a low-effort swap that's well worth doing while everything is already disassembled. Keep the right parts on your shelf — a fresh seal is all that stands between a tight, controlled boost curve and a headache you didn't need. FAQ What is this wastegate piston o-ring replacement for? This genuine BSI Inc. replacement o-ring is designed specifically for Black Sheep Industries wastegates and helps restore boost pressure integrity at the wastegate piston. When should I replace the wastegate piston o-ring? Replace it if you notice boost leaks at the wastegate housing, inconsistent boost pressure, audible hissing under load, boost creep, unexplained pressure loss, or any time the wastegate is apart for service. Is this o-ring suitable for gas and diesel turbo builds? Yes. It is suited for gas and diesel performance builds wherever a BSI Inc. wastegate is running. Where does this part ship from? This replacement wastegate piston o-ring is stocked in Canada and ships domestically across Canada and the United States.
