DT306 (306DT) — 3.0L Diesel MHEV (2020-present)
- Power Output
- 350 PS (345 bhp)
- Years Fitted
- 2020-present

LAND ROVER DEFENDER 110 D350 SPECIALISTS
Get quotes today from trusted UK Land Rover Defender 110 D350 engine specialists. Compare prices on reconditioned, rebuilt and used engines to secure the best supply and fit solution for your vehicle.
How it works
Clear information first, then the right engine and specialist for your exact vehicle.
Variant History
When the D350 variant launched in the modern L663 generation, it brought flagship 3.0-litre inline-six mild-hybrid diesel performance to the iconic long-wheelbase Defender 110. Its engine has remained a singular, high-output unit throughout its production run.

DT306 (AJ20D6), 3.0L Inline-6 MHEV Diesel, 350 PS (Introduction of the D350 powertrain to the L663 Defender 110 range, featuring twin-turbocharging and 48V mild-hybrid assistance).
Every engine fitted to the Land Rover Defender 110 D350 is covered below, with UK rebuilt pricing and known failure points.
Engine Codes & Pricing
Find your exact engine code, specs and UK replacement cost guide.

Can’t find your exact engine code?-> Get quotes for DT306 Land Rover Defender 110 D350 engine replacement
-> Get quotes for DT306 Land Rover Defender 110 D350 engine replacementCommon Problems
The Land Rover Defender 110 D350 is a high-performance, modern mild-hybrid diesel that is generally robust when properly maintained. However, its 3.0L Ingenium architecture is susceptible to specific emissions-related and timing system issues. Rebuilt engines through EnginesMarket include upgraded components addressing these original failure points, plus a minimum 12-month unlimited-mileage warranty.
Common failure points and repair options
Protect your investment with a rebuilt engine that includes upgraded components, a comprehensive 12-month unlimited mileage warranty, and nationwide supply & fit delivery. Comparing specialist quotes ensures you avoid main dealer premiums while securing precision engineering for your high-performance Defender.
FAQ
Everything Land Rover Defender 110 D350 owners usually ask before choosing a rebuilt, reconditioned or used replacement engine.
Why Choose Us
Comparing quotes is completely free and carries no obligation. By entering your registration, you ensure that every quote you receive is precisely matched to your Land Rover Defender 110 D350 and its specific DT306 engine code, connecting you directly with vetted UK specialists who understand high-performance modern Defender replacements.
Compare quotes from trusted UK Land Rover Defender 110 D350 engine specialists with warranty-backed rebuilt, reconditioned and used options nationwide.