{"product_id":"jaguar-xjs-1992-4-0-idle-control-valve-regulator-73377e","title":"Jaguar XJS 1992 4.0 idle control valve regulator 73377E","description":"\u003cp\u003e#138\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eGenuine Jaguar Idle Control Valve (ICV) \/ Idle Speed Regulator, Lucas part number 73377E, removed from a 1992 Jaguar XJS 4.0 AJ6. This OEM valve regulates the amount of air bypassing the throttle body to maintain a stable idle speed under varying engine loads and temperatures. It is a direct replacement for a faulty or sticking idle control valve. Jaguar identifies this unit as part number DBC5727, with Lucas reference 73377E. \u003c\/p\u003e\u003cbr\u003e\u003cp\u003eKey Features\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Genuine Jaguar \/ Lucas OEM idle control valve\u003c\/p\u003e\u003cp\u003e* Lucas Part Number: 73377E\u003c\/p\u003e\u003cp\u003e* Jaguar Part Number: DBC5727\u003c\/p\u003e\u003cp\u003e* Controls engine idle speed by regulating bypass air\u003c\/p\u003e\u003cp\u003e* Direct replacement for the original factory-fitted unit\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eFits\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Jaguar XJS 4.0 AJ6 (1992–1996)\u003c\/p\u003e\u003cp\u003e* Jaguar XJ40 3.2 \u0026amp; 4.0 AJ6 (1989–1994)\u003c\/p\u003e\u003cp\u003e* May also fit selected Jaguar X300 3.2 \u0026amp; 4.0 models using the same idle control valve.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCompatibility depends on VIN and engine specification. Always compare the Lucas 73377E and Jaguar DBC5727 part numbers with your existing unit before purchasing. \u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCommon Symptoms of Failure\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Unstable or erratic idle\u003c\/p\u003e\u003cp\u003e* Engine stalling when coming to a stop\u003c\/p\u003e\u003cp\u003e* High or low idle speed\u003c\/p\u003e\u003cp\u003e* Difficult cold starting\u003c\/p\u003e\u003cp\u003e* Engine hesitation caused by a sticking idle valve\u003c\/p\u003e\u003cp\u003e* Check engine or idle control related faults\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCondition\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Genuine used part.\u003c\/p\u003e\u003cp\u003e* Fully tested and in good working condition.\u003c\/p\u003e\u003cp\u003e* May show minor cosmetic marks consistent with normal use.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003ePart Numbers\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Jaguar: DBC5727\u003c\/p\u003e\u003cp\u003e* Lucas: 73377E\u003c\/p\u003e\u003cbr\u003e\u003cp\u003ePlease compare the part numbers, connector and photographs with your existing idle control valve before purchasing to ensure correct compatibility. It is recommended to clean the throttle body and inspect all vacuum hoses when replacing the idle control valve for optimum performance.\u003c\/p\u003e\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Throttle Body\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Jaguar\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 73377E\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMPN:\u003c\/strong\u003e 73377E\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReference OE\/OEM Number:\u003c\/strong\u003e 54405779\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Jaguar","offers":[{"title":"Default Title","offer_id":54494087643463,"sku":"158146265611","price":90.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/1528\/3527\/files\/10_b1aa0bfb-3096-4bf0-ae02-cc6d0e1a2d6f.jpg?v=1785677554","url":"https:\/\/spares4repairs.store\/products\/jaguar-xjs-1992-4-0-idle-control-valve-regulator-73377e","provider":"Spares 4 Repairs","version":"1.0","type":"link"}