Td5 VGT uprated turbocharger – includes boost box

(6 customer reviews)

£937.00 ex. vat

Availability: In stock

SKU: ASE03 Category: Fits: Defender TD5, Discovery TD5

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3 Month Warranty


Direct Replacement VGT Turbo for the Td5 powered Land Rovers.

Includes turbo boost control unit.

Standard, fixed geometry turbo design is always a compromise. Engines need a small turbo for fast spool-up and improved throttle response (reduced turbo-lag) but the small compressor size does not allow enough flow for anything beyond mid-range revs. So a larger turbo is required for mid-range and higher revs and increased flow, but this leads to increased lag at the low end.

The VGT – Variable Geometry turbocharger acts like a small turbo initially then alters geometry to increase flow in higher revs, giving an improved spread of power across the rev range. Td5 VGT units use a special actuator operated by boost pressure to control the vane angle.

Our VGT is designed to be a direct replacement for the original requiring no mods to the car.

Power is improved throughout the rev range but particularly in the lower and mid-range revs.

Turbo lag is often reduced and compliments any other tuning such as an uprated intercooler.

The kit is supplied complete with oil drain gasket, studs and new oil feed pipe.

Also supplied is a turbo boost control unit to correct ECU overboost faults.

To get the best from the turbo it is beneficial to use a specific map but improvements in driveability will be seen with any map or even standard tuning assuming a healthy engine.

The following must be considered prior to installing an after-market turbo charger –

An uprated intercooler must be used along with – Fresh oil, filter, feed and drain connections. If the engine has been rebuilt or the turbo has previously failed, at least two complete engine flush processes must be undertaken. Oil pressure must be checked and verified as correct and the original cause of failure ascertained and rectified.

The aftermarket turbo charger must be installed by a professional mechanic.

Non-restrictive intake system – we advise against the use of a raised or nonstandard air intake.  Please note – any restriction to the air intake on performance turbos will invalidate warranty. This can include raised air intakes.

Correctly sized exhaust system – either restrictive or too little back pressure can cause problems with uprated turbos and can invalidate warranty.

Please also see our listing for improved flow exhaust manifolds, gasket sets and other exhaust components.

Note that the turbo is likely to sound different to standard units

As this is a non-standard turbo, Turbo Technics offer a limited warranty of 3 months. Full terms available on request.


Additional information

Weight 22.04 lbs

Model / Series



6 reviews for Td5 VGT uprated turbocharger – includes boost box

  1. Peter Calland

    I own a 300tdi Defender which I my opinion seemed to be lacking power I do realise that they were never intended to be a quick vehicle they were never built for that purpose. However it was decided an Allisport full width intercooler and VNT turbo would help with the breathing. The pump was adjusted following the instructions given with the intercooler. When fitting the turbo the snorkel was kept but supplemented with a secondary air feed via an air box fitted under the off side wing top vent. 75mm piping being used to connect to the existing air filter housing a k&n filter. This has totally transformed the way the defender performs under load the exhaust gas temperature never gets above 350c. There’s no black smoke out the exhaust and I can now pass thing in total confidence and that’s something I could definitely not do prior to fitting the above kit. To summarise it’s easy to fit anyone with mechanical skills should have no problems the bullhorns can be a bit awkward to remove from the old unit but the rest straight forward. This is long forgotten when you are behind the wheel in a totally transformed machine.

  2. Phillip knechtel (verified owner)

    Great piece of kit!

  3. John Munro (verified owner)

    The td5 130 with the canopy on the back was lacking a bit of low down grunt, the vgt turbo with a better air filter box and the computer remapped, has really put this 130 in a different league. It’s used for both work and pleasure and next week it will be hauling our 40ft Honeybee Header north to Merriwagga, to prepar for the coming harvest. Very happy so far.

  4. Phill knechtel (verified owner)

    Brilliant in my defender 110 td5. With other upgrades including Allisport intercooler and remap have made it a beastly!!

  5. Fabian

    Makes the TD5 better !
    Better torque at low rpm und fantastic power at mid and higher rpm.
    No smoke and a gives a healthy feeling . I drive the Setup with 200 hp

  6. matthew Zeitsch

    Awesome bit of kit, easy install, great quality and buckets of power now. Great for towing and torque at all rpm.

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3 Month Warranty

If your product fails due to a manufacturing defect we will repair or replace it without charge, at our discretion. Only original, unaltered and unmodified materials and workmanship are covered by this policy.

This warranty does not cover damage caused by accident, improper care, negligence, normal wear and tear, or the natural breakdown of materials over extended time and use.

Damage not covered under warranty may be repaired for a reasonable rate and a fee will be charged for return shipping.

For warranty evaluation, your product must be returned directly to AlliSport Ltd, Aubrey’s Farm, Bromesberrow Estate, Ledbury, Herefordshire, HR8 1RZ, UK.

All shipping for warranty must be pre-paid and insured and accompanied by reference to the original invoice. We cannot be liable for lost or damaged in-bound packages.