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.

Head Unit ISO Harness Adapter for Land Rover Defender

SKU: MA13-ISO-ADAPT-X
£14.69
Price Includes 20% VAT (20%) £2.45
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Head Unit ISO Harness Adapter for Land Rover Defender
Product Details

Head Unit ISO Harness Adapter for Land Rover Defender

Upgrade your Defender’s audio system with ease using our premium ISO Harness Adapters. These adapters are designed to bridge the gap between your Land Rover’s factory wiring and the industry-standard ISO connections found on almost all modern aftermarket head units (Alpine, Pioneer, Kenwood, Sony, etc.).

Plug-and-Play Simplicity Avoid the hassle and permanent damage of cutting or splicing your vehicle's original wiring loom. These "plug-and-play" adapters ensure a clean, professional installation that can be easily reversed if you ever decide to return the vehicle to its factory specification.

Available Variants:

  • Flat Pin Adapter: Specifically for 200Tdi and 300Tdi models equipped with the original factory radio-cassette player.
  • Round Pin Adapter: Designed for Td5 models that were originally fitted with the factory CD/Radio head unit.
  • Puma/Tdci Adapter: Engineered for later 2.2 Tdci (Puma) models (typically 2011/12 onwards) that utilize the large grey multi-plug connector.

Note: 2007–2011 2.4 Tdci models often featured factory ISO connections already. We recommend removing your current head unit to verify your connection type before ordering.

Key Features:

  • Seamless Integration: Converts car-specific power and speaker connectors to universal ISO plugs.
  • No Modifications Required: 100% plug-and-play design—no wire cutting, crimping, or soldering.
  • High-Quality Construction: Durable heat-resistant connectors and flexible wiring for longevity in vibration-heavy environments.
  • Wide Compatibility: Works with all major aftermarket stereo brands.

Technical Specifications:

  • Application: Land Rover Defender 90 / 110 / 130
  • Compatibility: 200Tdi, 300Tdi, Td5, and Tdci/Puma models.

Whether you are looking to add Bluetooth, DAB+, or modern smartphone integration, our ISO Harness Adapter is the essential first step for a stress-free stereo upgrade in your Defender.


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.

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 aluminium 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.