Axles & Transmission

Axles & Transmission

Defender Drivetrain Excellence: Axles & Transmission

At JGS4x4, we understand that Land Rover and 4x4 enthusiasts demand only the best when it comes to their vehicles. That's why we specialize in high-quality parts and accessories designed specifically for Defender models and their vital axle and transmission systems.

Our extensive range includes OEM-quality replacements and aftermarket upgrades—such as heavy-duty differentials and precision-engineered transfer cases—all rigorously tested to ensure superior performance, compatibility, and reliability both on and off the road. We are committed to helping enthusiasts customize their vehicles for optimal traction, stability, and safety, transforming every journey into a memorable and exhilarating adventure.

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  • Defender & Discovery 1 & Series 3 & Range Rover Truetrac Rear 10 Spline Detroit from JGS4x4 Defender & Discovery 1 & Series 3 & Range Rover Truetrac Rear 10 Spline Detroit from JGS4x4

    Truetrac Rear 10 Spline Detroit for Defender & Discovery 1 & Series 3 & Range Rover

    DETROIT

    £700.49 Inc. VAT
    £583.74 Ex. VAT
    The Detroit Truetrac was the first helical gear differential ever introduced into the automotive aftermarket as an Eaton brand. It remains the leading helical gear-type limited slip differential in the industry. Detroit Truetrac's proven helical gear...
    DA5705
    £700.49 Inc. VAT
    £583.74 Ex. VAT
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    £700.49 Inc. VAT
    £583.74 Ex. VAT
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  • Britpart Swivel Ball Seal Retainer Plate for Defender, metal retaining plate for swivel ball seal in vehicle suspension system.

    Swivel Ball Seal Retainer Plate for Defender - FRC4142 Britpart

    Britpart

    £26.49 Inc. VAT
    £22.07 Ex. VAT
    Swivel Ball Seal Retainer Plate, suitable for Defender. VEHICLE COMPATIBILITY:Defender (up to 1993) EQUIVALENT TO OR RELATED PART NUMBER(S):FRC4142, FRC4142SS Buy with confidence from JGS4x4, a trusted UK supplier of parts for Land Rover vehicles. We...
    FRC4142SS
    £26.49 Inc. VAT
    £22.07 Ex. VAT
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    £26.49 Inc. VAT
    £22.07 Ex. VAT
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  • Diff Repair Pan - DA1045 from JGS4x4

    Diff Repair Pan - DA1045

    Britpart

    £44.19 Inc. VAT
    £36.82 Ex. VAT
    Britpart weld on diff repair pan which fits early Series models which have the filler plug in the diff and not the axle. Features: Excludes filler plug Specifications: Product Type: Diff Repair Pan Vehicle Placement: Front, Rear Compatibility: Land...
    DA1045
    £44.19 Inc. VAT
    £36.82 Ex. VAT
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    £44.19 Inc. VAT
    £36.82 Ex. VAT
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  • Defender R380 56J Reconditioned Gearbox from JGS4x4

    R380 56J Reconditioned Gearbox for Defender

    Direct Replacement

    £1,091.99 Inc. VAT
    £909.99 Ex. VAT
    Compatibility: Land Rover Defender 300Tdi
    TRC103160E
    £1,091.99 Inc. VAT
    £909.99 Ex. VAT
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    £1,091.99 Inc. VAT
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  • Defender LT77/S 56G/H Reconditioned Gearbox from JGS4x4

    LT77/S 56G/H Reconditioned Gearbox for Defender

    Britpart

    £1,355.39 Inc. VAT
    £1,129.49 Ex. VAT
    Compatibility: Land Rover Defender 200Tdi
    DA3051
    £1,355.39 Inc. VAT
    £1,129.49 Ex. VAT
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  • Defender LT77/S 50G/H Reconditioned Gearbox from JGS4x4

    LT77/S 50G/H Reconditioned Gearbox for Defender

    Britpart

    £1,355.39 Inc. VAT
    £1,129.49 Ex. VAT
    Compatibility: Land Rover Defender 4-cylinder up to 200Tdi
    DA3050
    £1,355.39 Inc. VAT
    £1,129.49 Ex. VAT
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  • Gearbox bearing kit for R380 manual Defender Discovery 2 suffix K DA3366

    Gearbox Bearing Kit for Defender and Discovery 2 R380 Suffix K | DA3366

    Britpart

    £162.99 Inc. VAT
    £135.82 Ex. VAT
    Gearbox bearing kit for R380 manual gearboxes suffix K. Suitable for Defender and Discovery 2 models fitted with the later R380 transmission. This kit contains the main gearbox bearings required during overhaul or rebuild work. Ideal if your gearbox is...
    DA3366
    £162.99 Inc. VAT
    £135.82 Ex. VAT
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    £162.99 Inc. VAT
    £135.82 Ex. VAT
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  • Gearbox bearing kit for R380 manual Defender Discovery 1 Discovery 2 Range Rover Classic suffix J DA3365

    Gearbox Bearing Kit for Defender, Discovery 1, Discovery 2 and Range Rover Classic R380 Suffix J | DA3365

    Britpart

    £146.29 Inc. VAT
    £121.91 Ex. VAT
    Gearbox bearing kit for R380 manual gearboxes suffix J. Suitable for Defender, Discovery 1, Discovery 2 and late Range Rover Classic models fitted with the R380 transmission. This kit contains the main gearbox bearings required during overhaul or...
    DA3365
    £146.29 Inc. VAT
    £121.91 Ex. VAT
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    £146.29 Inc. VAT
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  • Gearbox bearing kit for LT77 manual Defender Discovery 1 suffix H DA3364

    Gearbox Bearing Kit for Defender and Discovery 1 LT77 Suffix H | DA3364

    Britpart

    £110.39 Inc. VAT
    £91.99 Ex. VAT
    Gearbox bearing kit for LT77 manual gearboxes suffix H. Suitable for later Defender and Discovery 1 models fitted with the LT77S transmission. This kit contains the main gearbox bearings required during overhaul or rebuild work. Ideal if your gearbox...
    DA3364
    £110.39 Inc. VAT
    £91.99 Ex. VAT
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    £110.39 Inc. VAT
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  • Gearbox bearing kit for LT77 manual Defender Discovery 1 Range Rover Classic suffix A to E DA3362

    Gearbox Bearing Kit for Defender, Discovery 1 and Range Rover Classic LT77 Suffix A to E | DA3362

    Britpart

    £77.39 Inc. VAT
    £64.49 Ex. VAT
    Gearbox bearing kit for LT77 manual gearboxes suffix A to E. Suitable for early Ninety, One Ten, Defender, Discovery 1 and Range Rover Classic models fitted with the LT77 transmission. This kit contains the main gearbox bearings required during overhaul...
    DA3362
    £77.39 Inc. VAT
    £64.49 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.