{"product_id":"holley-efi-idle-air-control-motor-chrysler-style-replacement-iac","title":"Holley EFI Idle Air Control Motor – Chrysler Style Replacement IAC","description":"\u003cp\u003eThe \u003cstrong\u003eHolley EFI Idle Air Control Motor\u003c\/strong\u003e is a Chrysler-style replacement IAC designed to restore proper idle-air control on compatible Holley EFI and TBI systems. Manufactured by \u003cstrong\u003eHolley EFI\u003c\/strong\u003e, P\/N 543-105 is a direct service replacement for Generation 1 Sniper EFI TBI, Terminator TBI, Avenger 4-barrel TBI, HP 4-barrel TBI, Commander 950, and Digital Pro-Jection systems.\u003c\/p\u003e\n\n\u003cp\u003eA failing IAC motor can contribute to rough or inconsistent idle quality by preventing the EFI system from properly controlling bypass air at closed throttle. This replacement includes the required seal and is sold individually for servicing an existing Holley EFI installation.\u003c\/p\u003e\n\n\u003ch4\u003eIncludes:\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e(1) Holley EFI Idle Air Control (IAC) Motor\u003c\/li\u003e\n  \u003cli\u003eGasket \/ Seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This IAC motor does \u003cstrong\u003enot\u003c\/strong\u003e fit Sniper 2 EFI systems. Holley specifies MSD P\/N 2937 for Sniper 2 applications.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cdetails class=\"details\"\u003e\n  \u003csummary\u003e\n    \u003cstrong\u003eSpecifications\u003c\/strong\u003e\n    \u003cspan class=\"svg-wrapper icon-plus\"\u003e\n      \u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n        \u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n        \u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n      \u003c\/svg\u003e\n    \u003c\/span\u003e\n  \u003c\/summary\u003e\n\n  \u003cdiv class=\"details-content rte\"\u003e\n    \u003ctable class=\"custom-specs-table\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003cth\u003eSpecification\u003c\/th\u003e\n          \u003cth\u003eDetails\u003c\/th\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eManufacturer\u003c\/td\u003e\n          \u003ctd\u003eHolley EFI\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003ePart Number\u003c\/td\u003e\n          \u003ctd\u003e543-105\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eProduct Type\u003c\/td\u003e\n          \u003ctd\u003eIdle Air Control (IAC) Motor\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eStyle\u003c\/td\u003e\n          \u003ctd\u003eChrysler Style\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eApplication\u003c\/td\u003e\n          \u003ctd\u003eReplacement \/ Service\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eColor\u003c\/td\u003e\n          \u003ctd\u003eBlack\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eConnector Gender\u003c\/td\u003e\n          \u003ctd\u003eMale\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eTerminal Gender\u003c\/td\u003e\n          \u003ctd\u003eMale\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eGasket \/ Seal Included\u003c\/td\u003e\n          \u003ctd\u003eYes\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMounting Hardware Included\u003c\/td\u003e\n          \u003ctd\u003eNo\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSold As\u003c\/td\u003e\n          \u003ctd\u003eIndividual\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eEmission Code\u003c\/td\u003e\n          \u003ctd\u003e5\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003chr\u003e\n\n\u003cdetails class=\"details\"\u003e\n  \u003csummary\u003e\n    \u003cstrong\u003eFitment\u003c\/strong\u003e\n    \u003cspan class=\"svg-wrapper icon-plus\"\u003e\n      \u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n        \u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n        \u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n      \u003c\/svg\u003e\n    \u003c\/span\u003e\n  \u003c\/summary\u003e\n\n  \u003cdiv class=\"details-content rte\"\u003e\n    \u003cp\u003eHolley P\/N 543-105 is designed as a replacement IAC motor for the following compatible Holley EFI systems:\u003c\/p\u003e\n\n    \u003ctable class=\"custom-specs-table\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003cth\u003eEFI System\u003c\/th\u003e\n          \u003cth\u003eFitment\u003c\/th\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eGeneration 1 Sniper EFI TBI\u003c\/td\u003e\n          \u003ctd\u003eYes\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eTerminator TBI\u003c\/td\u003e\n          \u003ctd\u003eYes\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eAvenger 4-Barrel TBI\u003c\/td\u003e\n          \u003ctd\u003eYes\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eHP 4-Barrel TBI\u003c\/td\u003e\n          \u003ctd\u003eYes\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eCommander 950\u003c\/td\u003e\n          \u003ctd\u003eYes\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eDigital Pro-Jection\u003c\/td\u003e\n          \u003ctd\u003eYes\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSniper 2 EFI\u003c\/td\u003e\n          \u003ctd\u003eNo – Use MSD P\/N 2937\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\n    \u003ch3\u003eFitment Notes\u003c\/h3\u003e\n    \u003cul\u003e\n      \u003cli\u003eVerify the EFI system and existing IAC configuration before ordering.\u003c\/li\u003e\n      \u003cli\u003eThis is a \u003cstrong\u003eChrysler-style replacement IAC motor\u003c\/strong\u003e.\u003c\/li\u003e\n      \u003cli\u003eMounting hardware is not included.\u003c\/li\u003e\n      \u003cli\u003e\u003cstrong\u003eDoes not fit Sniper 2 EFI systems.\u003c\/strong\u003e\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003chr\u003e\n\n\u003cdetails class=\"details\"\u003e\n  \u003csummary\u003e\n    \u003cstrong\u003eTech Insight\u003c\/strong\u003e\n    \u003cspan class=\"svg-wrapper icon-plus\"\u003e\n      \u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n        \u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n        \u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n      \u003c\/svg\u003e\n    \u003c\/span\u003e\n  \u003c\/summary\u003e\n\n  \u003cdiv class=\"details-content rte\"\u003e\n    \u003ch3\u003e1. What does an IAC motor do?\u003c\/h3\u003e\n    \u003cp\u003eThe Idle Air Control motor allows the EFI system to regulate the amount of air bypassing the throttle blades at idle. This helps the ECU maintain the commanded idle speed as engine load and operating conditions change.\u003c\/p\u003e\n\n    \u003ch3\u003e2. What are common signs of a failing IAC motor?\u003c\/h3\u003e\n    \u003cp\u003eA faulty IAC can contribute to rough or inconsistent idle operation. Because other EFI setup or engine issues can cause similar symptoms, the IAC should be properly diagnosed before replacement.\u003c\/p\u003e\n\n    \u003ch3\u003e3. Does this fit Generation 1 Holley Sniper EFI?\u003c\/h3\u003e\n    \u003cp\u003eYes. Holley lists P\/N 543-105 as a replacement IAC motor for Generation 1 Sniper EFI TBI systems.\u003c\/p\u003e\n\n    \u003ch3\u003e4. Will this IAC motor work with Sniper 2?\u003c\/h3\u003e\n    \u003cp\u003eNo. \u003cstrong\u003eHolley 543-105 does not fit Sniper 2.\u003c\/strong\u003e Holley specifies MSD P\/N 2937 for Sniper 2 applications.\u003c\/p\u003e\n\n    \u003ch3\u003e5. Does the replacement IAC include the seal and mounting hardware?\u003c\/h3\u003e\n    \u003cp\u003eThe gasket \/ seal is included, but mounting hardware is not included.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003chr\u003e\n","brand":"Holley","offers":[{"title":"Default Title","offer_id":56875799642278,"sku":"543-105","price":93.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8394\/6406\/files\/543-105-Holley-EFI-Idle-Air-Control-Motor-1.jpg?v=1785251103","url":"https:\/\/wideopendesign.com\/products\/holley-efi-idle-air-control-motor-chrysler-style-replacement-iac","provider":"Wide Open Design","version":"1.0","type":"link"}