Electrical

Electrical

Defender Electrical Systems: Reliability for Every Adventure

JGS4x4 specializes in providing top-quality parts and accessories for Land Rover and 4x4 vehicles, with a particular focus on the Defender's electrical components and overall off-road capability. Our extensive selection includes durable OEM-quality replacements and high-performance aftermarket upgrades—from precision-engineered alternators to lighting—all meticulously engineered for compatibility and superior performance. We are committed to quality, ensuring every component meets industry standards to boost your vehicle's reliability, safety, and functionality in challenging terrains. Explore our inventory to transform your Defender into the ultimate off-road machine.

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  • Defender/Discovery 1 Relay-Auxiliary Lighting from JGS4x4

    Relay for Various Models, and 30amp Green Relay for Defender, Discovery, Range Rover Classic

    Direct Replacement

    £4.59 Inc. VAT
    £3.82 Ex. VAT
    This 30amp green relay is designed for auxiliary lighting and various electrical applications in Defender, Discovery 1, Range Rover Classic, and Series 3 1971-1985 models. It operates via an electromagnet activated by a switch or ECU to power essential...
    YWB10032L
    £4.59 Inc. VAT
    £3.82 Ex. VAT
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    £4.59 Inc. VAT
    £3.82 Ex. VAT
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  • Defender/Discovery 1 Ignition Distributor Module from JGS4x4

    Ignition Module for Distributor on V8, and for Defender, Discovery 1, Range Rover Classic Lucas

    Lucas

    £27.79 Inc. VAT
    £23.16 Ex. VAT
    This ignition module for distributor is designed for use with V8 engines in Defender, Discovery 1, and Range Rover Classic models. Manufactured by Lucas, it ensures reliable ignition performance to help resolve issues such as engine misfires or starting...
    STC1184G
    £27.79 Inc. VAT
    £23.16 Ex. VAT
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    £27.79 Inc. VAT
    £23.16 Ex. VAT
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  • Defender/Discovery 1 Bush Set from JGS4x4

    Starter Motor Brush Set for Defender, Discovery 1, Range Rover 300TDI, Turbo Diesel, 200TDI

    OEM Parts

    £15.79 Inc. VAT
    £13.16 Ex. VAT
    This Starter Motor Brush Set is designed for use with Defender, Discovery 1, and Range Rover models equipped with 300TDI, Turbo Diesel, and 200TDI engines. It provides reliable performance and durability, ensuring smooth starting operation for your...
    STC1246
    £15.79 Inc. VAT
    £13.16 Ex. VAT
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    £15.79 Inc. VAT
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  • Defender/Discovery 1 Alternator Drive Belt-ERR5579 from JGS4x4

    Serpentine Alternator Belt for Defender, Discovery 1, Range Rover Classic 3.9 & 4.0 EFI

    Direct Replacement

    £8.19 Inc. VAT
    £6.82 Ex. VAT
    This serpentine alternator belt is designed for use with 3.9 and 4.0 EFI engines in Defender, Discovery 1, and Range Rover Classic vehicles equipped with air conditioning. It ensures reliable power transmission to essential components such as the...
    ERR5579
    £8.19 Inc. VAT
    £6.82 Ex. VAT
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    £8.19 Inc. VAT
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  • LR025840G-Defender Puma 2.4 TD4 Puma Electric Starter Motor | Denso from JGS4x4

    Starter Motor for Defender Puma and Range Rover Evoque 2.4 and 2.2 Engine Defender Denso

    Denso

    £238.69 Inc. VAT
    £198.91 Ex. VAT
    This starter motor is designed for use with Defender and Evoque models equipped with 2.4 and 2.2 Puma engines from 2007 onwards. It ensures reliable engine starting performance, addressing issues such as slow cranking or a seized starter. Ideal for...
    LR025840G
    £238.69 Inc. VAT
    £198.91 Ex. VAT
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    £198.91 Ex. VAT
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  • Crank Position Sensor for Defender Tdci 2.4 - LR004396 | Autotec - LR004396A from JGS4x4

    Crank Position Sensor for Defender Tdci 2.4 - LR004396 Autotec

    Autotec

    £30.69 Inc. VAT
    £25.57 Ex. VAT
    Crank Position Sensor for Tdci 2.4, suitable for Defender. VEHICLE COMPATIBILITY:Defender NOTE: Tdci 2.4 EQUIVALENT TO OR RELATED PART NUMBER(S):LR004396, LR004396A JGS4x4 are specialists in parts for Land Rover vehicles and accessories. Whether you're...
    LR004396A
    £30.69 Inc. VAT
    £25.57 Ex. VAT
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  • Defender Puma 2.4 TD4 Puma Alternator 150 Amp from JGS4x4

    Alternator for Defender Puma 2.4 HELLA

    HELLA

    £240.99 Inc. VAT
    £200.82 Ex. VAT
    This alternator is designed for the Defender with a 2.4 TD4 engine, covering models from 2007 to 2016. It delivers 150 Amp output, ensuring your vehicle's electrical system runs efficiently by powering the engine, recharging the battery, and supporting...
    YLE500310G
    £240.99 Inc. VAT
    £200.82 Ex. VAT
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  • Defender Puma 2.2 TD4 Puma Crankshaft Position Sensor from JGS4x4

    TD4 Crankshaft Position Sensor for 2.2 Defender Puma Autotec

    Autotec

    £56.99 Inc. VAT
    £47.49 Ex. VAT
    The 2.2 TD4 Crankshaft Position Sensor is designed for Defender Puma models from 2007 to 2016. This sensor monitors the speed and position of the crankshaft, providing essential data to the engine control unit to ensure smooth and efficient engine...
    LR056258
    £56.99 Inc. VAT
    £47.49 Ex. VAT
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  • Defender Puma 2.2 TD4 Puma Alternator from JGS4x4

    Alternator Multiple Options Available Part for 2.2 Defender Puma

    Denso

    £218.39 Inc. VAT
    £181.99 Ex. VAT
    This 2.2 Puma Alternator is designed specifically for Defender models equipped with the 2.2 engine. It provides reliable electrical energy to power the engine, recharge the battery, and support all onboard electrical systems. The alternator features...
    LR065867
    £218.39 Inc. VAT
    £181.99 Ex. VAT
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  • Terrafirma Smoked LED Light Kit for Defender (1983-2016) | GL1577SM from JGS4x4

    Terrafirma Smoked LED Light Kit for Defender (1983-2016)

    WIPAC

    £247.19 Inc. VAT
    £205.99 Ex. VAT
    Upgrade your Land Rover Defender's lighting with the Terrafirma GL1577SM Smoked LED Light Kit. This comprehensive kit includes smoked LED lights for the front sidelights, indicators, stop/tail lights, reverse light, and fog light, ensuring enhanced...
    GL1577SM
    £247.19 Inc. VAT
    £205.99 Ex. VAT
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  • Alarm Switch from JGS4x4

    Alarm and Bonnet Switch for Defender, Discovery, Range Rover Classic

    Genuine Land Rover

    £77.03 Inc. VAT
    £64.19 Ex. VAT
    This Alarm and Bonnet Switch is designed for use with Defender, Discovery 1, and Range Rover Classic models. It functions as an alarm switch, enabling the opening or closing of electrical circuits commonly used in driver-controlled systems such as...
    AMR2022LR
    £77.03 Inc. VAT
    £64.19 Ex. VAT
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    £77.03 Inc. VAT
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  • PRC3961-Battery To Electric Starter Motor Cable | OEM from JGS4x4

    Battery Lead Positive to Terminal Lh. Military / for Defender 90/110 OEM

    OEM Parts

    £21.89 Inc. VAT
    £18.24 Ex. VAT
    This Battery Lead Positive to Terminal Lh. Military 90/110 is designed for Defender models, providing a reliable connection from the battery to the electric starter motor. Manufactured by the OEM Parts supplier, this heavy gauge cable ensures efficient...
    PRC3961
    £21.89 Inc. VAT
    £18.24 Ex. VAT
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JGS4x4 is an independent supplier of parts and accessories. We are not affiliated with or endorsed by Jaguar Land Rover Limited. All references to vehicle models are used for identification and compatibility purposes only.