{"product_id":"motoparty-intake-hat-gasket-for-gm-vortec-5-7l-5-0l-4-3l-oe-fit-direct-replacement-snap-in-seal","title":"motoparty Intake Hat Gasket for GM Vortec 5.7L\/5.0L\/4.3L — OE-fit direct replacement, snap-in seal","description":"\u003cp\u003e\u003cstrong\u003emotoparty's Intake Hat Gasket seals the throttle body to the intake hat on GM Vortec 5.7L, 5.0L and 4.3L engines, preventing vacuum leaks and restoring reliable engine operation.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your GM small-block Vortec engine is showing signs of rough idle, diminished throttle response, or unusual vacuum-related behaviors, a failing intake hat gasket may be the culprit. This motoparty replacement gasket is molded to match OE contours and snaps into the intake hat groove for a secure seal. It is designed to be a direct-fit replacement for common GM part numbers so you can repair intake-to-throttle-body leaks without modifying the intake assembly.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this gasket improve engine behavior?\u003c\/h3\u003e\n\u003cp\u003eReplacing a worn or cracked intake hat gasket removes unwanted air paths that upset fuel\/air metering and idle control. With a tight seal, the engine breathes only through the throttle body as intended, which helps stabilize idle and throttle response.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEliminates vacuum-induced surging or stumbling\u003c\/li\u003e\n  \u003cli\u003eHelps restore consistent idle speed and smoother acceleration\u003c\/li\u003e\n  \u003cli\u003eReduces the chance of diagnostic trouble codes tied to intake leaks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and engine codes does this gasket fit?\u003c\/h3\u003e\n\u003cp\u003eThis gasket is shaped for GM Vortec small-block applications and fits multiple displacements and platforms. It's compatible with V8 5.7L (350), V8 5.0L (305) and V6 4.3L engines used across trucks, SUVs and vans.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eS-10 and S-15 4.3L trucks and Blazer models with the same throttle body\u003c\/li\u003e\n  \u003cli\u003eMany full-size vans and V8 trucks that use GM Vortec intake hats\u003c\/li\u003e\n  \u003cli\u003eDirect substitute for OEM numbers 15998532, 15998577, 25147204, 25147235\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs installation difficult for a home mechanic?\u003c\/h3\u003e\n\u003cp\u003eThe motoparty intake hat gasket is engineered for straightforward, tool-minimal installation. Its flexible plastic material snaps into the intake hat groove and includes alignment features so you seat it correctly on the throttle body neck.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTapered shape and visible bottom lip ensure correct orientation\u003c\/li\u003e\n  \u003cli\u003eNo trimming or glue required — snaps into place\u003c\/li\u003e\n  \u003cli\u003eQuick swap typically completed during basic intake or throttle-body service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the tangible benefits of this replacement part?\u003c\/h3\u003e\n\u003cp\u003eBeyond simply replacing old rubber or brittle seals, this gasket provides a durable mating surface that preserves intake integrity. The design reduces the likelihood of repeat failures and helps maintain drivability until a full intake repair or overhaul is performed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStops air leaks that upset fuel trim and idle control\u003c\/li\u003e\n  \u003cli\u003eDurable flexible plastic resists cracking from heat and age\u003c\/li\u003e\n  \u003cli\u003eCost-effective way to address common intake-related drivability issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This intake hat gasket is intended for vehicle owners, DIY mechanics, and professional technicians who work on GM Vortec 5.7L (350), 5.0L (305) and 4.3L engines. It's ideal when diagnosing rough idle, vacuum leaks, or when replacing related intake components; use it when you need an exact-fit, reliable sealing solution that matches common GM part numbers and streamlines repair time.\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: Which GM part numbers does this intake hat gasket replace?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It replaces OEM numbers 15998532, 15998577, 25147204 and 25147235.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this gasket fit my 4.3L S-10 or Blazer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it fits 4.3L S-10\/S-15 trucks and Blazer models that use the same throttle body configuration.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"motoparty","offers":[{"title":"Default Title","offer_id":48085115895966,"sku":"B0FN7T926X","price":37.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/motoparty-front-view-intake-hat-gasket.jpg?v=1785867585","url":"https:\/\/northtrailauto.ca\/products\/motoparty-intake-hat-gasket-for-gm-vortec-5-7l-5-0l-4-3l-oe-fit-direct-replacement-snap-in-seal","provider":"North Trail Auto","version":"1.0","type":"link"}