{"product_id":"auto-occasion-fuel-injector-seal-kit-for-gm-1-4l-1-5l-engines-part-55577403-o-rings-lower-seals-2016-2020-buick-chevy-gmc","title":"AUTO OCCASION Fuel Injector Seal Kit for GM 1.4L\/1.5L Engines — Part 55577403, O‑rings \u0026 Lower Seals (2016–2020 Buick\/Chevy\/GMC)","description":"\u003cp\u003e\u003cstrong\u003eAUTO OCCASION fuel injector seal kit (part 55577403) replaces worn injector seals for compatible 2016–2020 GM 1.4L\/1.5L engines to restore a tight fuel system fit.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis seal kit contains the gaskets and O-rings needed when servicing fuel injectors on a range of GM small-displacement engines. It’s manufactured to match the shape and dimensions of common original equipment seals so you can swap them during injector maintenance, rebuilds, or when troubleshooting leaks, poor idle, or fuel odor. Before buying, verify your vehicle’s model year and engine size to confirm fitment.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engines does this seal kit fit?\u003c\/h3\u003e\n\u003cp\u003eThis kit is designed specifically for GM 1.4L and 1.5L turbocharged and naturally aspirated inline-four engines from mid-2010s models. Confirming the engine displacement and part number on your vehicle will avoid misorders.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2016–2019 Buick Encore with 1.4L L4 engines\u003c\/li\u003e\n  \u003cli\u003e2016–2019 Chevrolet Cruze 1.4L L4\u003c\/li\u003e\n  \u003cli\u003e2018–2020 Chevrolet Equinox 1.5L L4\u003c\/li\u003e\n  \u003cli\u003e2016–2020 Chevrolet Malibu 1.5L L4\u003c\/li\u003e\n  \u003cli\u003e2018–2020 GMC Terrain 1.5L L4\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat parts are included and how do they match the originals?\u003c\/h3\u003e\n\u003cp\u003eThe kit supplies injector O-rings and upper\/lower seals sized to fit the specified GM injector housings. Each piece is shaped to the common OE profile so technicians can visually compare the supplied parts to the ones removed from the engine before installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes lower injector seals and upper O-rings as required for service\u003c\/li\u003e\n  \u003cli\u003eDesigned to replicate original dimensions and sealing surfaces\u003c\/li\u003e\n  \u003cli\u003eVisual match recommended — compare pictures and specs to your existing seals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will installing these seals affect performance and maintenance?\u003c\/h3\u003e\n\u003cp\u003eReplacing old, hardened, or leaking injector seals improves fuel system integrity and helps eliminate external leaks and fuel smell. While seals won’t change injector spray pattern, a proper seal prevents vacuum\/fuel leaks that can cause rough idle or diagnostic trouble codes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStops external fuel seepage around injectors\u003c\/li\u003e\n  \u003cli\u003eReduces risk of air entering the intake at injector ports\u003c\/li\u003e\n  \u003cli\u003eSupports consistent engine idle and emissions behavior when seals are the root issue\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I confirm compatibility before ordering?\u003c\/h3\u003e\n\u003cp\u003eCheck your vehicle’s model year, engine displacement (1.4L or 1.5L L4), and the part number you’re replacing; our kit carries part number 55577403. When in doubt, remove one injector seal to compare shape and size, or consult a trusted technician.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify part number 55577403 if replacing an existing kit\u003c\/li\u003e\n  \u003cli\u003eMatch engine size: 1.4L L4 or 1.5L L4 for listed models\u003c\/li\u003e\n  \u003cli\u003eCompare kit photos and dimensions against your original seals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This AUTO OCCASION injector seal kit is suited for DIY mechanics, professional technicians, and anyone performing fuel injector service on compatible Buick, Chevrolet, or GMC vehicles. It’s useful during injector replacement, intake-plenum removal, or whenever seals show signs of hardening or leakage. Always follow safety procedures when working on fuel systems and replace seals as part of a thorough injector service to ensure a reliable fit and safe operation.\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: Does this kit include seals for all injectors on my Cruze or Equinox?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit supplies the injector O-rings and seals needed for full injector service on the listed 1.4L\/1.5L models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use these seals if my vehicle year is slightly different?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check engine size and part number 55577403; fitment is specific to the listed model years and 1.4L\/1.5L engines.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AUTO OCCASION","offers":[{"title":"Default Title","offer_id":48085015462046,"sku":"B0F4CTYF2J","price":34.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/auto-occasion-front-packaging.jpg?v=1785866767","url":"https:\/\/northtrailauto.ca\/products\/auto-occasion-fuel-injector-seal-kit-for-gm-1-4l-1-5l-engines-part-55577403-o-rings-lower-seals-2016-2020-buick-chevy-gmc","provider":"North Trail Auto","version":"1.0","type":"link"}