Engine

Engine

Defender Engine Power: Maintenance Parts & upgrades for performance

JGS4x4 offers high-quality parts and accessories specifically designed to ensure your Defender performs at its best in any terrain. Our selection includes durable OEM-quality replacements and premium aftermarket upgrades that enhance both off-road capability and overall vehicle reliability. Focusing on the engine, we provide components such air filters and performance high-flow air filters to optimize power and robust drive belts and hoses for exceptional durability and longevity. Every part is crafted for seamless compatibility and is built to withstand rigorous off-road demands, allowing you to maintain and upgrade your 4x4 with confidence and enjoy a more reliable and enjoyable driving experience.

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  • Defender/Discovery 1 Timing Belt Tensioner-ERR1972 from JGS4x4

    Tensioner Pulley Timing Belt 300TDI for Defender 90/110, Discovery, Range Rover Classic

    Direct Replacement

    £20.79 Inc. VAT
    £17.32 Ex. VAT
    This timing belt tensioner pulley is designed for use with 300TDI engines in Defender, Discovery 1, and Range Rover Classic models. It ensures proper tension of the timing belt, which is critical for smooth engine operation. Suitable for vehicles...
    ERR1972
    £20.79 Inc. VAT
    £17.32 Ex. VAT
    Qty in Cart: 0
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    £20.79 Inc. VAT
    £17.32 Ex. VAT
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  • Timing Belt Idler Pulley Defender & Discovery 1 300Tdi (Late Models) | LHV100150 from JGS4x4

    Timing Belt Idler Pulley Defender & Discovery 1 300Tdi (Late Models)

    OEM Parts

    £20.19 Inc. VAT
    £16.82 Ex. VAT
    Ensure the optimal performance of your Land Rover's 300Tdi engine with the Timing Belt Idler Pulley LHV100150. Designed specifically for late-model Land Rover Defender and Discovery 1 vehicles, this idler pulley maintains proper tension and alignment...
    LHV100150G
    £20.19 Inc. VAT
    £16.82 Ex. VAT
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    £20.19 Inc. VAT
    £16.82 Ex. VAT
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  • Defender/Discovery 1 Timing Belt Idler from JGS4x4

    Idler Timing Belt 300TDI / from VA560898 GEN for Defender 90/110, Discovery

    Direct Replacement

    £10.79 Inc. VAT
    £8.99 Ex. VAT
    This Idler Timing Belt is designed for 300TDI engines fitted in Defender and Discovery 1 models. It ensures smooth engine operation by maintaining proper timing belt tension, which is critical for engine performance and longevity. Suitable for vehicles...
    LHV100150
    £10.79 Inc. VAT
    £8.99 Ex. VAT
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    £10.79 Inc. VAT
    £8.99 Ex. VAT
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  • Defender/Discovery 1 Tappet from JGS4x4

    Tappet for Defender 2.5 Turbo Diesel/200TDI/300TDI, Discovery 1, Range Rover Classic

    Direct Replacement

    £13.69 Inc. VAT
    £11.41 Ex. VAT
    This tappet is designed for use with Defender 2.5 Turbo Diesel, 200TDI, and 300TDI engines from 1983 to 2006, Discovery 1 models with 200TDI and 300TDI engines from 1989 to 1998, and Range Rover Classic vehicles with 200TDI and 300TDI engines from 1971...
    ERR607R
    £13.69 Inc. VAT
    £11.41 Ex. VAT
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  • Defender/Discovery 1 Speedo Housing Gasket from JGS4x4

    Transfer Box Speedo Housing Gasket for Defender, Discovery 1, and Range Rover Classic

    Direct Replacement

    £0.49 Inc. VAT
    £0.41 Ex. VAT
    This Transfer Box Speedo Housing Gasket is designed for use with Defender, Discovery 1, and Range Rover Classic models. It creates a reliable seal between the speedo housing and transfer box components, preventing leaks and ensuring optimal performance...
    FRC5409
    £0.49 Inc. VAT
    £0.41 Ex. VAT
    Qty in Cart: 0
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    £0.49 Inc. VAT
    £0.41 Ex. VAT
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  • Defender/Discovery 1 Sensor from JGS4x4

    Engine Crank Sensor for Defender, Discovery, Range Rover P38 4.0 V8 Petrol Autotec

    Autotec

    £21.39 Inc. VAT
    £17.82 Ex. VAT
    This Engine Crank Sensor is designed for use with 4.0 V8 Petrol engines in Defender, Discovery 1, and Range Rover P38 models. It plays a crucial role in monitoring engine speed and position, ensuring smooth and efficient engine performance. Suitable for...
    ERR6119
    £21.39 Inc. VAT
    £17.82 Ex. VAT
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    £21.39 Inc. VAT
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  • Defender/Discovery 1 V8 Inlet Manifold Seal from JGS4x4

    Inlet Manifold Gasket Seal Tin Style Gasket V8 3.5 Twin Carb / 3.9 & 4.0 EFI for Defender, Discovery 1, Range Rover Classic

    Direct Replacement

    £2.19 Inc. VAT
    £1.82 Ex. VAT
    This inlet manifold gasket seal is designed for V8 engines including 3.5 Twin Carb, 3.9, and 4.0 EFI variants. It fits models such as Defender, Discovery 1, Range Rover Classic, and Series 3 1971-1985. The seal ensures a tight fit between manifold...
    602099
    £2.19 Inc. VAT
    £1.82 Ex. VAT
    Qty in Cart: 0
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    £2.19 Inc. VAT
    £1.82 Ex. VAT
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  • Defender/Discovery 1 Piston Standard-ERR1390 from JGS4x4

    Piston for Defender, Range Rover 200TDI Standard Size

    Direct Replacement

    £35.59 Inc. VAT
    £29.66 Ex. VAT
    This standard size Piston is designed for use with 200TDI engines in Defender and Range Rover models. It provides reliable performance and durability for engine rebuilds and repairs. Suitable for vehicles produced between 1971 and 2006, this Piston...
    ERR1390
    £35.59 Inc. VAT
    £29.66 Ex. VAT
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  • Defender/Discovery 1 Piston And Rings-Standard-Single from JGS4x4

    Piston for Defender, Range Rover 300TDI Standard Size

    Direct Replacement

    £37.69 Inc. VAT
    £31.41 Ex. VAT
    This Piston and rings set is designed for 300TDI engines used in Defender, Discovery 1, and Range Rover Classic models. It is a standard size, single Piston assembly ideal for engine repairs or rebuilds. Suitable for models from 1983 to 2006 for...
    ERR2410
    £37.69 Inc. VAT
    £31.41 Ex. VAT
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    £37.69 Inc. VAT
    £31.41 Ex. VAT
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  • Defender/Discovery 1 Piston from JGS4x4

    Piston for Defender 4.0 L V8

    Direct Replacement

    £37.19 Inc. VAT
    £30.99 Ex. VAT
    This Piston is designed for use with the 4.0L V8 engine in Defender models from 1983 to 2006, Discovery 1 from 1989 to 1998, Discovery 2 V8 from 1998 to 2004, and Range Rover P38 4.0 V8 from 1995 to 2002. It is a high-quality replacement part suitable...
    ERR5553
    £37.19 Inc. VAT
    £30.99 Ex. VAT
    Qty in Cart: 0
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    £37.19 Inc. VAT
    £30.99 Ex. VAT
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  • Defender/Discovery 1 O-Ring-FTC1441 from JGS4x4

    O Ring for Gearbox Oil Pump on LT77 and R380 for Defender, Discovery 1, Discovery 2, Range Rover Classic, Range Rover P38

    Direct Replacement

    £0.79 Inc. VAT
    £0.66 Ex. VAT
    This O Ring is designed for use on the gearbox oil pump of LT77 and R380 transmissions, suitable for Defender, Discovery 1, Discovery 2 1998-2004, Range Rover Classic, and Range Rover P38 1995-2002. It provides a reliable seal to prevent leaks of oil or...
    FTC1441
    £0.79 Inc. VAT
    £0.66 Ex. VAT
    Qty in Cart: 0
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    £0.79 Inc. VAT
    £0.66 Ex. VAT
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  • Defender/Discovery 1 O-Ring - ERC8849 from JGS4x4

    Camshaft Pulley O Ring for Defender, Discovery 1, Range Rover Classic 200TDI, 2.5 Diesel

    Direct Replacement

    £0.59 Inc. VAT
    £0.49 Ex. VAT
    This Camshaft Pulley O Ring is designed for use with Defender, Discovery 1, and Range Rover Classic models equipped with 200TDI and 2.5 Diesel engines from 1983 to 2006. It provides a reliable seal to prevent leaks between two surfaces, commonly used on...
    ERC8849
    £0.59 Inc. VAT
    £0.49 Ex. VAT
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    £0.59 Inc. VAT
    £0.49 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.