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 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
    Qty in Cart: 0
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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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    £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
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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
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    £2.19 Inc. VAT
    £1.82 Ex. VAT
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  • Defender/Discovery 1 Retainer Plate-515467 from JGS4x4 Defender/Discovery 1 Retainer Plate-515467 from JGS4x4

    Locking Plate Wheel Cylinder Handbrake for Series, Defender, Discovery, Range Rover Classic

    Direct Replacement

    £2.59 Inc. VAT
    £2.16 Ex. VAT
    This Locking Plate Wheel Cylinder Handbrake is designed for Series 2 models. It fits vehicles up to unit 28D283204, vin LA647644, and vin LA935629. The part ensures secure retention of components, preventing unwanted movement and maintaining proper...
    515467
    £2.59 Inc. VAT
    £2.16 Ex. VAT
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    £2.59 Inc. VAT
    £2.16 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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    £35.59 Inc. 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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  • Defender/Discovery 1 Inlet Valve-ERR1157 from JGS4x4

    Inlet Valve for Defender, Discovery 1, Range Rover Classic 200TDI

    Direct Replacement

    £5.79 Inc. VAT
    £4.82 Ex. VAT
    This inlet valve is designed for use with 200TDI engines in Defender, Discovery 1, and Range Rover Classic models. It is operated by the camshaft to allow air and fuel into the combustion chamber, then seals to enable proper compression by the Piston...
    ERR1157
    £5.79 Inc. VAT
    £4.82 Ex. VAT
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    £5.79 Inc. VAT
    £4.82 Ex. VAT
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  • ERC4949AE-Defender/Discovery 1 Hydraulic Valve Tappet | AE from JGS4x4

    Hydraulic Valve Tappet AE for Defender, Discovery

    AE

    £8.99 Inc. VAT
    £7.49 Ex. VAT
    This Hydraulic Valve Tappet AE is designed for use with Defender and Discovery 1 models, covering a wide range of years. It is suitable for petrol engines and ensures optimal valve operation and engine performance. Manufactured by AE, this part meets...
    ERC4949AE
    £8.99 Inc. VAT
    £7.49 Ex. VAT
    Qty in Cart: 0
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    £8.99 Inc. VAT
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  • Defender/Discovery 1 Front Cover Gasket from JGS4x4

    Front Cover Gasket for Defender, Discovery 2, Range Rover P38 4.0 Petrol

    Direct Replacement

    £1.99 Inc. VAT
    £1.66 Ex. VAT
    This Front Cover Gasket is designed for use with 4.0 Petrol V8 engines in Defender, Discovery 2, and Range Rover P38 models. It provides a reliable seal between engine components to prevent leaks and maintain optimal engine performance. Ideal for...
    ERR7280
    £1.99 Inc. VAT
    £1.66 Ex. VAT
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    £1.99 Inc. VAT
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  • ERR4936-Defender/Discovery 1 Front Cover Gasket | OEM from JGS4x4

    Timing Chain Gasket for Defender, Range Rover Classic V8 OEM

    OEM Parts

    £2.19 Inc. VAT
    £1.82 Ex. VAT
    This Timing Chain Gasket is designed for V8 engines used in Defender and Range Rover Classic models. It provides a reliable seal for the front cover, preventing leaks and ensuring optimal engine performance. Suitable for vehicles from the years 1983 to...
    ERR4936
    £2.19 Inc. VAT
    £1.82 Ex. VAT
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    £2.19 Inc. 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.