Parts, Accessories & Upgrades for Land Rover Defender

Masai® designs & manufactures an exclusive range of high-quality enhancement upgrades & parts for Land Rover Defenders, e.g. windows, head-linings, roof racks, seat covers, carpets, steps, winch bumpers, lights, and much much more. Based in central England with global shipping. Read More.

Sliding Side Windows for Defender 200TDi/300TDi and TD5 (50/50 radius) - 3 Tints - Pair

Optional extras are available for these windows
In stock
Product Details
Manufacturer: Masai
OEM Part No: MUC3766G/MUC3767G
Suitable Vehicle: Defender 90/110 (200TDi, 300TDi, TD5)
Sold As: Pair
Colour: Dark, Green, Clear Tints

Sliding Side Windows for Defender 200TDi/300TDi and TD5 (50/50 radius) - PAIR

Please Note: These rear side windows fit apertures with 50mm radius bottom corners (pre-2004/5 Defenders), and will NOT fit the new 70mm bottom corner radius window apertures that post-2004/5 Defenders have. If your vehicle is a hardtop and does not currently have rear side windows then our side windows can be fitted irrespective of the year of your vehicle.

  • Slide opening Defender side windows (50/50mm corner radius)
  • Includes pinch catches for security, made of superior Mazak casting (Zinc, Magnesium and Aluminium Alloy) for strength and corrosion resistance. Catch part numbers MTC8270 and MTC8271.
  • Includes rubber seal/trim which covers over the rivet heads
  • Manufactured by Masai.
  • Supplied as a pair - offside and nearside
  • Made to original Land Rover quality - BUT they do not rattle or leak
  • Original quality Land Rover aluminium profile.
  • Standard size replacement for 50mm upper and lower corner radius window apertures.
  • E43R toughened safety glass
  • Factory prepared tint - not a stuck on film
  • Easy to fit DIY
  • The size of the aperture needed is 1057mm x 427mm - which is the Land Rover standard size for Defender rear side windows

Download: Masai Defender Side Windows Fitting Instructions

Equivalent and compatible with Land Rover part numbers:

  • MUC3766 (50mm) superseded by MWC4734 (70mm)
  • MUC3767 (50mm) superseded by MWC4735 (70mm)

Read our article about the best way to locate your side windows here

Optional Extras

We think you may also be interested in these optional extras which you can see below and separately add to your shopping cart. Scroll down to "You May Also Like" section.

  • Template to help cut out apertures - needed if you are converting a panel van/hard top
  • Rivets and Sealant - to affix the side windows (and to save you the hassle of going to the DIY store)
  • Rear heated door glass - (tinted to match) - Pre and post 2002 available
  • Rear door glass retainer kit - IF your vehicle has a pre 2002 rear door
  • Rear door glazing seal - IF your vehicle has a post 2002 rear door
  • Rear quarter glass - (tinted to match) - (use template to cut apertures if needed)
  • Rear quarter glass window RUBBER SEALS
  • High Level Brake Light Mounting Studs
  • High Level Brake Light - Masai Slimline OR Standard Red/Clear OR Standard 3 colour.
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Welcome to the Masai® eStore. We design and manufacture a wide range of high-quality vehicle upgrades, enhancement accessories and parts for the Land Rover Defender, 90, 110, and 130, particularly glass and windows; but have a look around our website – we also have roof racks, spare wheel carriers, headlinings, interior trims, seat covers, side steps, rear steps, lamp guards, tree sliders, Winch Bumpers, and LED lights etc.

One of our flagship products is our own-design Masai® Bonded Tinted Panoramic Windows for the Land Rover Defender 90, 110 and 110 2-Door. The dark-tinted toughened glass side panel windows increase your Defender’s privacy, security and value! As featured on exclusive Nene Overland Defender Icons.

Vehicle Lights – LED, Driving Lights and Headlights

We have a large range of premium-quality Driving Lights, Work Lights and Spot Lights. Some are modern low-power-consumption LED Lights, and others are high-luminosity Xenon HID vehicle lights. All lights are harsh environment compliant to IP65 or IP67. Rugged waterproof diecast aluminum housings (some ABS), spot beam and flood beam, various wattages from 15 to 150 and a wide voltage range from 9v to 32v. We also sell NAS LED lights for Land Rover Defenders, clear, coloured and smoked sets for all post 1983 90 and 110, include plinths, E marked (EU approved) and SAE approved. They provide increased visibility (brighter than standard bulbs) and they enhance and modernise the look of your Defender, easy to fit DIY.