FRONT DIFF PAN REPAIR. Land Rover Defender 90 – All models. Land Rover Series – 2/2A/3 – 88” SWB models. Land Rover Discovery 1 – All model years. Weld-On Front Differential Pan with Filler Bung. Recovery 4x4 are authorised distributors for Allmakes 4x4,and Britpart Land Rover parts and accessories.