{"product_id":"4585202-left-hand-cylinder-head-gasket-suitable-for-range-rover-sport-range-rover-l322-and-discovery-3-vehicles","title":"Left Hand Cylinder Head Gasket for Discovery 3 (2005 – 2009) LH – 4585202","description":"\u003cp\u003eThis is the left-hand cylinder head gasket for the 4.4 AJ V8 petrol engine, sealing the left bank cylinder head to the engine block to contain combustion gases and maintain coolant and oil passages. A failed head gasket on the AJ V8 typically presents as coolant loss, white exhaust smoke, oil contamination, or overheating - all of which can cause progressive engine damage if unaddressed. Using the correct side-specific gasket is essential, as left and right bank gaskets are not interchangeable on this engine.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned specifically for the left-hand (LH) cylinder bank of the 4.4 AJ V8 petrol engine\u003c\/li\u003e\n\u003cli\u003eReplaces OEM part 4585202; cross-reference this number before ordering to confirm correct fitment\u003c\/li\u003e\n\u003cli\u003eMatched to OEM specifications for combustion sealing, coolant port alignment, and oil feed passages\u003c\/li\u003e\n\u003cli\u003eTypically replaced as a pair - also check the right-hand gasket (4585203) and inspect head bolt condition and head surface flatness before refitting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eVehicle Fitment\u003c\/h4\u003e\n\u003cp\u003eFits the Discovery 3 (2005–2009), Range Rover (2002–2009 up to VIN 6A000001), and Range Rover Sport (2005–2009), all fitted with the 4.4 AJ petrol V8 engine.\u003c\/p\u003e\n\u003cp\u003eNot sure about fitment? Feel free to get in touch at \u003ca href=\"mailto:info@thomasperformance.co.uk\"\u003einfo@thomasperformance.co.uk\u003c\/a\u003e\u003c\/p\u003e","brand":"Britpart","offers":[{"title":"Default Title","offer_id":55816557068632,"sku":"4585202","price":26.09,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/0070\/6392\/files\/4585202_1-600x600.jpg?v=1758816074","url":"https:\/\/thomasperformance.co.uk\/products\/4585202-left-hand-cylinder-head-gasket-suitable-for-range-rover-sport-range-rover-l322-and-discovery-3-vehicles","provider":"Thomas Performance Ltd","version":"1.0","type":"link"}