This Brake Fluid Reservoir Kit (Part No. SJJ100351) is the replacement reservoir for the brake master cylinder on classic Land Rover Defender models. The reservoir stores brake fluid and ensures consistent hydraulic delivery to the braking system. Failure of the reservoir—often due to cracking, discoloration, or leaking seals—can compromise braking performance and should be replaced immediately.

This kit includes the reservoir and associated sealing components required to restore a reliable brake fluid supply system.

Verified Fitment (Defender Only):

Defender 90 – Up to 2016
Defender 110 – Up to 2016
Defender 130 – Up to 2016

This reservoir does NOT fit Discovery, Range Rover, Freelander, or any non-Defender platforms.

Supersession Part Numbers

No supersessions found.

FAQ

Does this fit both ABS and non-ABS Defenders?
Yes — specialist catalogs confirm compatibility with both systems.

Is this a complete reservoir assembly?
Yes — SJJ100351 includes the reservoir and required sealing components for proper installation.

When should this part be replaced?
When the original reservoir becomes brittle, leaks, or becomes contaminated internally.

Part Number: SJJ100351

Free Shipping Available to the Lower 48

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