{"product_id":"wfcyq-replacement-muffler-iac-filter-35-863829-4-pack-for-idle-speed-control","title":"WFCYQ Replacement Muffler IAC Filter 35-863829 – 4 Pack for Idle Speed Control","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eUpgrade your idle speed control with the WFCYQ Replacement Muffler IAC Filter set. This 4-pack is designed to replace part 35-863829 and works across a range of inboard engines. The muffler IAC path sits above the throttle blade, helping to manage air flow at idle for steadier performance and smoother operation.\u003c\/p\u003e\n\u003ch3\u003eCompatibility highlights\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eInboard engines including 350, 357 HRZ, 383\u003c\/li\u003e\n  \u003cli\u003e4.3L and 5.0L MPI variants\u003c\/li\u003e\n  \u003cli\u003e350 and 496 MAG engines\u003c\/li\u003e\n  \u003cli\u003eMX6.2L and 8.1L Inboards — Base and HO models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s in the package\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e4 Pack 35-863829 Muffler Intake Air Control filters\u003c\/li\u003e\n  \u003cli\u003eBrand new, unopened condition\u003c\/li\u003e\n  \u003cli\u003eReplaces the original part 35-863829, 863829 Muffler Intake Air Control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy this replacement matters\u003c\/h3\u003e\n\u003cp\u003eThis replacement muffler IAC filter is intended to support idle speed control by routing air through the IAC path, located above the throttle blade. While results can vary with engine condition, having a fresh, direct replacement can help maintain consistent idle behavior and reduce unexpected fluctuations during start-up and idling.\u003c\/p\u003e\n\u003cp\u003eNote: This description focuses on the listed compatibility and features. It is not a guarantee of performance, and results may depend on overall engine health and maintenance history.\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: What engines is the WFCYQ Replacement Muffler IAC Filter compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatible with a wide range of inboard engines, including 350, 357 HRZ, 383, 4.3L and 5.0L MPI, 350 and 496 MAG, MX6.2L, and 8.1L Base\/HO.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does the 4-pack include and how is it used?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Includes four replacement muffler IAC filters to replace part 35-863829 and support idle speed control.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"WFCYQ","offers":[{"title":"Default Title","offer_id":42465563213909,"sku":"B0G28S2V1W","price":29.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/wfcyq-muffler-iac-filter-closeup.jpg?v=1778012076","url":"https:\/\/plentytorque.co.uk\/products\/wfcyq-replacement-muffler-iac-filter-35-863829-4-pack-for-idle-speed-control","provider":"PlentyTorque","version":"1.0","type":"link"}