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TF450 - Diff Lock – E-Locker – Electronic

Original price - Original price €990,00
Original price
€990,00
€990,00 - €990,00
Current price €990,00
OEM Part
OEM: Made by an Original Equipment Manufacturer. This part is made by an original equipment manufacturer or under their license, ensuring compatibility and quality.
Brand Terrafirma
Electronic Differential Lock (E-Locker) replaces the standard open differential assembly within the axle, providing driver-selectable full differential lock. The system operates via an internal electromagnet: when activated by a cab-mounted switch, the electromagnet engages a locking collar that locks the differential carrier to the crown wheel, delivering equal drive torque to both wheels on the axle. Deactivating the switch allows return springs to disengage the mechanism, restoring standard open differential behaviour.

No compressor, air lines, or complex wiring loom is required - the electrically operated locking mechanism is entirely self-contained within the axle unit.

Note: fitment to earlier axles may require the half shafts to be upgraded to 24-spline items; confirm the axle specification before ordering.
Vehicle Model Land Rover Defender up to 2016
Land Rover Discovery 1 1989-1998 (L318)
Land Rover Discovery 2 1998-2004 (L318)
Range Rover Classic up to 1994
Fitment Notes DEFENDER 1986-2016 — 90 front & rear; 110/130 front only. 24 spline
DISCOVERY 1 1989-1998
DISCOVERY 2 1998-2004
RANGE ROVER CLASSIC — Electronic diff lock (E-Locker), 24 spline
Alternative Codes
TF450

Available to order 2–3 weeks

Not currently in stock. Order now — typically ships within 2–3 weeks.

Need it faster? Contact us about express import (2–5 business days).


When will my order arrive?

This item is ordered from our supplier on request. Typical lead time is 2–3 weeks from order confirmation.

  • Netherlands / Belgium / Germany: 2–4 working days after dispatch.
  • Other EU countries + UK: 4–8 working days after dispatch.
  • Outside EU/UK: contact us for an estimate.

Need it faster? Express import available in 2–5 business dayscontact us before ordering.

Job kits containing this part

This part is included in 0 job kit(s) below. Pick the kit that matches your vehicle and job, then add what you need.

Frequently asked questions

What is the TF450 E-Locker used for?
The TF450 E-Locker is a selectable electronic differential lock that gives full axle lock on demand for off-road traction. It fits the Land Rover Defender (up to 2016), Discovery 1, Discovery 2 and Range Rover Classic. On the 90 it suits front or rear axles; on 110 and 130 it's a front-axle fitment.
Do I need 24-spline half shafts to fit the TF450?
Yes. The TF450 is a 24-spline unit, so the axle half shafts must also be 24-spline. Earlier axles with a different spline count need the half shafts upgrading to match before fitting. Confirm your axle's spline count before ordering.
Is fitting the TF450 E-Locker a DIY job?
Fitting the TF450 typically means stripping the differential out of the axle, so it's usually a workshop job. The electric locker is self-contained with no air lines to plumb, but the crown wheel and pinion preload must be set correctly on refit to avoid axle damage.