ERR2428 is a engine cooling system gasket used on Land Rover V8 engines, sealing coolant passages within the engine to prevent leaks and maintain correct operating temperature. On the 3.5 V8, deteriorated cooling gaskets can result in coolant loss, overheating, or internal contamination of engine oil - failures that can cause significant engine damage if not addressed promptly. Using the correct OEM-specified replacement gasket ensures proper sealing under the thermal cycling demands of the Rover V8. Key Features Designed to seal engine cooling circuit joints on the Rover 3.5 V8 petrol engine Manufactured to original Land Rover specification for correct fit and sealing performance Direct OEM replacement - part number ERR2428 cross-references original Land Rover supply When replacing, inspect associated hoses, thermostat housing, and coolant pump for wear and replace coolant if contaminated Vehicle Fitment This gasket fits the Defender (1986–2006) 3.5 V8 Petrol, Discovery 1 (1989–1998) V8, Range Rover Classic V8, and Series 3 3.5 V8 Petrol. Not sure about fitment? Feel free to get in touch at [email protected]