{"product_id":"gm-genuine-parts-brake-booster-check-valve-kit-179-1266-oe-fit-check-valve-with-grommet-restores-vacuum-and-pedal-feel","title":"GM GENUINE PARTS Brake Booster Check Valve Kit 179-1266 — OE-fit check valve with grommet restores vacuum and pedal feel","description":"\u003cp\u003e\u003cstrong\u003eGM Genuine Parts 179-1266 is a factory‑spec power brake booster vacuum check valve kit that restores one‑way vacuum protection for your vehicle’s brake booster.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen the brake booster loses vacuum, pedal feel and braking confidence can suffer. This GM Genuine Parts kit (also referenced as 18022219) includes the vacuum check valve and grommet manufactured to General Motors original equipment specifications so the parts fit correctly, function as intended, and match the durability of the vehicle’s factory components. It’s designed for vehicle‑specific applications and is recommended by GM as a direct replacement for the original check valve and sealing grommet.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this check valve affect brake booster performance?\u003c\/h3\u003e\n\u003cp\u003eThe check valve allows vacuum to flow from the engine to the brake booster but prevents air from returning when the engine is off or a hose loses vacuum. That one‑way action keeps boost pressure available for multiple brake applications immediately after engine start and during brief vacuum interruptions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrevents air ingress into the booster when engine vacuum is absent.\u003c\/li\u003e\n  \u003cli\u003eMaintains consistent pedal feel by preserving booster vacuum.\u003c\/li\u003e\n  \u003cli\u003eReduces the chance of a hard or inconsistent brake pedal after engine shutdown.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the GM Genuine Parts 179-1266 kit and why does it matter?\u003c\/h3\u003e\n\u003cp\u003eThe kit contains a precision‑molded check valve and a matching grommet selected for the correct bore and sealing surface. Using both parts together ensures a leak‑free installation and restores the original fitment that prevents vacuum leaks and premature service issues.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes the one‑way vacuum check valve sized for your GM vehicle.\u003c\/li\u003e\n  \u003cli\u003eIncludes grommet matched to the booster or hose fitting to ensure a tight seal.\u003c\/li\u003e\n  \u003cli\u003eManufactured to GM original equipment fit, form, and function standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I know this is the right replacement for my vehicle?\u003c\/h3\u003e\n\u003cp\u003eThis GM Genuine Parts unit is a vehicle‑specific part listed to replace the original factory component. Confirm the part number 179‑1266 (18022219) against your vehicle’s parts catalog or VIN‑based lookup to ensure compatibility before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePart number: 179‑1266 (also referenced 18022219).\u003c\/li\u003e\n  \u003cli\u003eDesigned to match GM OE dimensions and connections for direct replacement.\u003c\/li\u003e\n  \u003cli\u003eRecommended by GM as the proper replacement for the factory check valve and grommet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect during installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for mechanically inclined users: remove the old valve and grommet, install the new grommet in the booster or hose fitting, and press the check valve into place. Routine inspections of vacuum hoses and fittings help preserve booster performance and prolong part life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSimple push‑in installation; no special tools typically required.\u003c\/li\u003e\n  \u003cli\u003eInspect connecting hoses for cracks or deterioration when replacing the valve.\u003c\/li\u003e\n  \u003cli\u003eCheck that the valve seals and is oriented correctly for one‑way vacuum flow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Drivers and technicians who need an exact GM‑approved replacement for a worn or faulty power brake booster check valve. Ideal for owners restoring correct brake booster vacuum function, fleet maintenance professionals keeping GM vehicles to factory standards, and DIYers seeking a straightforward, vehicle‑specific fix that preserves original braking performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNotes:\u003c\/em\u003e Manufactured to GM original equipment specifications for fit, form, and function. Country of origin: China. Fit type: Vehicle specific. Always verify fitment with your vehicle’s parts catalog or VIN lookup before purchase.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install the GM 179-1266 check valve myself?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It typically installs by pushing the grommet into place and seating the check valve; basic tools and mechanical skill are helpful.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this kit fit all GM vehicles?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit is vehicle specific. Verify part number 179-1266 (18022219) with your VIN or parts catalog before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GM GENUINE PARTS","offers":[{"title":"Default Title","offer_id":48086803480734,"sku":"B000C9H8AY","price":50.66,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/gm-genuine-parts-check-valve-kit-front-packaging.jpg?v=1785905746","url":"https:\/\/northtrailauto.ca\/products\/gm-genuine-parts-brake-booster-check-valve-kit-179-1266-oe-fit-check-valve-with-grommet-restores-vacuum-and-pedal-feel","provider":"North Trail Auto","version":"1.0","type":"link"}