{"product_id":"cooler-oil-transmission-assembly","title":"Cooler - Oil - Transmission Assembly for Discovery 1 (1989 – 1998) V8 Petrol - 4 Speed - ZF (From KA034314, Up to LA081990) – ESR1703","description":"\u003cp\u003eThe ESR1703 is a transmission oil cooler assembly designed for the ZF 4-speed automatic gearbox fitted to Land Rover Discovery 1 and Range Rover Classic models with the V8 petrol engine. Its function is to regulate automatic transmission fluid temperature by dissipating heat generated during operation, preventing fluid degradation and premature wear to internal gearbox components. A failing or blocked cooler can result in overheating, erratic gear changes, and accelerated transmission failure.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eComplete assembly replacement unit for the ZF 4-speed automatic transmission oil cooling circuit\u003c\/li\u003e\n\u003cli\u003eDirect OEM-specification fit requiring no modification during installation\u003c\/li\u003e\n\u003cli\u003eMatches original equipment specification for V8 petrol ZF automatic applications\u003c\/li\u003e\n\u003cli\u003eWhen replacing, inspect associated transmission fluid lines and connections for leaks or deterioration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eVehicle Fitment\u003c\/h4\u003e\n\u003cp\u003eThis part fits Discovery 1 (1989–1998) with V8 Petrol ZF 4-Speed automatic (from chassis KA034314, up to LA081990), and Range Rover Classic with V8 ZF 4-Speed automatic (up to chassis MA647645\/LA647644).\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":"Allmakes 4x4","offers":[{"title":"Default Title","offer_id":55820557386072,"sku":"ESR1703","price":297.67,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/0070\/6392\/files\/ESR1703-600x600.jpg?v=1758865179","url":"https:\/\/thomasperformance.co.uk\/products\/cooler-oil-transmission-assembly","provider":"Thomas Performance Ltd","version":"1.0","type":"link"}