{"product_id":"motoparty-intake-hat-gasket-for-gm-vortec-5-7l-5-0l-4-3l-engines-oe-fit-snap-in-seal","title":"motoparty Intake Hat Gasket for GM Vortec 5.7L\/5.0L\/4.3L Engines — OE Fit, Snap-In Seal","description":"\u003cp\u003e\u003cstrong\u003emotoparty Intake Hat Gasket seals the throttle body to the intake hat for GM Vortec 5.7L (350), 5.0L (305) and 4.3L V6 engines, stopping vacuum leaks and restoring smooth idle and throttle response.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis intake hat gasket is a purpose-built replacement designed for GM Vortec engines used in trucks, SUVs and vans. It matches OE fitment for select 5.7L, 5.0L and 4.3L V6\/V8 platforms, snaps into the intake hat groove, and orients easily thanks to a tapered profile and visible bottom lip. The gasket replaces several factory part numbers and is intended to eliminate the common vacuum leaks that degrade driveability.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this gasket stop vacuum leaks and improve drivability?\u003c\/h3\u003e\n\u003cp\u003eThe gasket forms a continuous seal between the throttle body neck and the intake hat, preventing unmetered air from entering the intake tract. By sealing that joint you remove a frequent source of rough idle, stumbling during acceleration and inconsistent fuel trim readings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSeals throttle body-to-intake hat interface to keep air metering accurate\u003c\/li\u003e\n  \u003cli\u003ePrevents vacuum leaks that cause erratic idle and throttle hesitation\u003c\/li\u003e\n  \u003cli\u003eHelps maintain intended fuel-air ratio for smoother operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fit my vehicle and which part numbers does it replace?\u003c\/h3\u003e\n\u003cp\u003eThe motoparty gasket is made to fit GM Vortec 5.7L (350), 5.0L (305) and 4.3L V6 applications including S-10\/S-15 trucks, Blazers and compatible vans that share the same throttle body. It is a direct replacement for factory part numbers, so installation does not require modification.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with GM Vortec 5.7L, 5.0L and 4.3L engine families\u003c\/li\u003e\n  \u003cli\u003eApplications include S-10, S-15, Blazer and similar vans with same throttle body\u003c\/li\u003e\n  \u003cli\u003eReplaces OEM parts: 15998532, 15998577, 25147204, 25147235\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and how will I know the gasket is oriented correctly?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: the flexible plastic gasket snaps into the intake hat groove and seats without special tools. A tapered cross-section plus a visible bottom lip ensures you align the gasket properly on the throttle body neck, reducing installation errors.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFlexible plastic snaps into groove for tool-free seating\u003c\/li\u003e\n  \u003cli\u003eTapered shape indicates correct rotational alignment\u003c\/li\u003e\n  \u003cli\u003eVisible bottom lip confirms correct orientation on the throttle neck\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance benefits can I expect after replacing the gasket?\u003c\/h3\u003e\n\u003cp\u003eReplacing a failed or hardened gasket typically restores proper sealing and can noticeably improve idle stability and throttle response. While results vary by vehicle condition, many drivers report smoother operation and more consistent engine behavior following replacement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReduces rough idle and engine hesitation caused by leaks\u003c\/li\u003e\n  \u003cli\u003ePromotes consistent air metering and stable fuel trims\u003c\/li\u003e\n  \u003cli\u003eMay aid in returning fuel economy to expected levels under normal driving\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The motoparty Intake Hat Gasket is intended for DIY mechanics, professional technicians, and vehicle owners with GM Vortec 5.7L, 5.0L or 4.3L engines who are addressing vacuum leaks or replacing worn intake components. Choose this part if you need a direct-fit, easy-to-install gasket that matches common OEM part numbers and restores proper throttle body sealing without machining or modification.\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 gasket fit my GM 350 V8?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It fits GM Vortec 5.7L (350) V8 engines and replaces OEM numbers listed in the product details.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need special tools to install the gasket?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No special tools required; the flexible gasket snaps into the intake hat groove for quick installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"motoparty","offers":[{"title":"Default Title","offer_id":55165854482775,"sku":"B0FN7T926X","price":37.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/motoparty-intake-hat-gasket-front-view.jpg?v=1790358732","url":"https:\/\/britishgarage.co.uk\/products\/motoparty-intake-hat-gasket-for-gm-vortec-5-7l-5-0l-4-3l-engines-oe-fit-snap-in-seal","provider":"British Garage","version":"1.0","type":"link"}