MUC 4299 - Ventilator Seal Land-Rover Series 3 and 90/110 Defender £16.50 Quantity: at £16.50 each Out of Stock Out of stock. MUC 4299 - Ventilator Seal Suitable only for: Series 3, all models, except Lightweight. 90/110 Defender upto VIN HA704901 (1991 models) These are the correct moulded sponge rubber type. For later self-adhesive type see JAE 000030. For Series 3 Lightweight use 330621.