Land Rover Discovery 4.4 V8 Engine ReplacementCompare Prices & Get Quotes
Get quotes today from trusted UK Land Rover Discovery 4.4 V8 engine specialists and compare prices on reconditioned, rebuilt and used engines.
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From £7,000 to £12,000 [EM-QUOTE]
Used from £3,000 · Reconditioned from £5,500 · Common codes: 368DT, 448DT
From £3,000
Tested, bare/short engine
From £5,500
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain
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3 Simple Steps3 Simple Stepsto Finding the Best Land Rover Discovery 4.4 V8 Replacement Engineto Finding the Best Land Rover Discovery 4.4 V8 Replacement Engine
Most replacements completed within 3-5 days.
Variant HistoryLand Rover Discovery 4.4 V8 - Engine History & Specs at a Glance
When the 4.4 V8 launched in the Discovery lineup, it provided a powerful, torque-rich alternative to the inline-six diesels, becoming highly sought after for heavy towing and serious off-road capability.
Variant HistoryLand Rover Discovery 4.4 V8 - Engine History & Specs at a Glance
When the 4.4 V8 launched in the Discovery lineup, it provided a powerful, torque-rich alternative to the inline-six diesels, becoming highly sought after for heavy towing and serious off-road capability.
Land Rover Discovery 4.4 V8
Fuel TypeDiesel
Engine Size Range4.4L (4367cc)
Power Output Range306-339hpEngine History Timeline
368DT (4.4L TDV8 306hp) introduced in the Discovery 3 (L319), offering robust low-end torque and a twin-turbo setup.
368DT carried over to the Discovery 4 (L319) with minor emissions and ECU refinements to meet Euro 4/5 standards.
448DT (4.4L SDV8 339hp) introduced as a premium upgrade, featuring improved oil cooling and a more robust bottom end to resolve early 368DT crankshaft concerns.
4.4 V8 phased out in the UK Discovery lineup replaced by the 3.0L TDV6/SDV6 (306DT) for improved fuel economy and emissions compliance.
Key Specs Snapshot
Fuel TypeDieselEngine Size Range4.4L (4367cc)Power Output Range306-339hpYears Produced2005-2012Every engine fitted to the Land Rover Discovery 4.4 V8 is covered below, with UK rebuilt pricing and known failure points.
Land Rover Discovery 4.4 V8 Engine Codes - Specifications & Replacement CostLand Rover Discovery 4.4 V8 Engine Codes - Specifications & Replacement Cost
4.4L Diesel (2005-2012)
Power Output306hpYears Fitted2005-2012
Compatible Trim Levels
- Discovery 3 TDV8
- Discovery 4 TDV8
- Discovery 4 TDV8 HSE
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£3,000-£5,000
Reconditioned
Addressed known issues, tested
£5,500-£8,000
Rebuilt
Full teardown, upgraded internals
£7,000-£10,500
Common Failure
Timing chain tensioner failure and early crankshaft fracture are commonly reported issues. Typical failure mileage ranges from 70,000 to 130,000 miles.
The 4.4 V8 engines dominating the Land Rover Discovery 4.4 V8 are legendary for their towing capability, but early iterations are susceptible to specific mechanical stresses. Rebuilt 368DT and 448DT engines through EnginesMarket include upgraded components addressing these original failure points, plus a minimum 12-month unlimited-mileage warranty.
Why the Land Rover Discovery 4.4 V8 368DT Wears Prematurely
Affected Vehicles
Land Rover Discovery 4.4 V8 (368DT, 2005-2012)
Typical Failure Mileage
70,000-130,000 miles
Root Cause
Early timing chain tensioner design flaws combined with high towing loads can lead to chain stretch and, in severe cases, crankshaft fracture.
Why It Happens
Early timing chain tensioner design flaws combined with high towing loads can lead to chain stretch and, in severe cases, crankshaft fracture.
Dealer (parts + labour)
£2,500-£4,000
Specialist (parts + labour)
£1,500-£3,000
What it involves
Replacing the timing chains, guides, and upgraded tensioners.
Suitability
Suitable only if the crankshaft and bearings show zero signs of wear or scoring.
1 - 2 daysDealer (parts + labour)
£10,000-£14,000+
Specialist (parts + labour)
£7,000-£10,500
What it involves
Supply & fit of a fully rebuilt 368DT/448DT with upgraded bottom-end components and a 12-month warranty.
Suitability
The right call if crankshaft scoring is present or the engine has suffered catastrophic failure.
1 - 2 daysAll prices are indicative UK market ranges based on current UK specialist supplier data.| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
 Minor/Preventative (Chain & Tensioner) Minor | £2,500-£4,000 | £1,500-£3,000 | Replacing the timing chains, guides, and upgraded tensioners. | Suitable only if the crankshaft and bearings show zero signs of wear or scoring. | 1 - 2 days |
 Full Replacement - rebuilt/reconditioned engine Best Value | £10,000-£14,000+ | £7,000-£10,500 | Supply & fit of a fully rebuilt 368DT/448DT with upgraded bottom-end components and a 12-month warranty. | The right call if crankshaft scoring is present or the engine has suffered catastrophic failure. | 1 - 2 days |
Our Recommendation
Our Recommendation
If your Land Rover Discovery 4.4 V8 is an early 368DT model showing timing chain rattle, a full rebuilt unit with upgraded components is often the safest long-term investment. For later 448DT models with minor oil cooler leaks, a specialist seal replacement is highly cost-effective, provided the bottom end remains healthy.
Don't Let Engine Failure Write Off Your Land Rover Discovery 4.4 V8
Don't let a timing chain fault or oil cooler leak sideline your capable Discovery. By comparing quotes through our network, you secure a rebuilt 4.4 V8 with upgraded components, a 12-month warranty, and nationwide delivery-avoiding the steep premiums of main dealer replacements.
12-Month Minimum
UK Specialists Vetted
Best Price GuidanceImportant Information
Important Information
All prices are indicative UK market ranges based on historical quote data and repair requests from our network of engine specialists. Dealer pricing is estimated based on published main dealer labour rates and genuine OEM parts pricing. Specialist pricing reflects actual quote data from EnginesMarket's UK network. Actual costs vary depending on damage severity, vehicle condition, variant, and workshop location within the UK. Use our free comparison tool to get tailored quotes for your specific Land Rover Discovery 4.4 V8. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier.
Land Rover Discovery 4.4 V8 Engine ReplacementFrequently Asked Questions
Question 1How much does a Land Rover Discovery 4.4 V8 engine replacement cost-
A reconditioned or rebuilt 4.4 V8 engine for the Discovery typically costs between £5,500 and £12,000 for the supply-only unit in the UK.
- Used 4.4 V8 engines start around £3,000 but carry higher risk due to age.
- Rebuilt units with upgraded timing components sit at the £7,000-£12,000 mark.
- Supply and fit labour will add £910-£1,560 depending on the specialist.
Question 2What are the signs of timing chain failure in a Land Rover Discovery 4.4 V8-
The 368DT engine is prone to timing chain tensioner wear, which can escalate to catastrophic failure if ignored. Watch for early warning signs.
- A distinct metallic rattling or slapping noise from the engine bay on cold starts.
- Engine management lights indicating cam/crank correlation faults.
- Sudden loss of power or metallic knocking from the lower engine block.
Question 3Is it worth replacing the engine in a Land Rover Discovery 4.4 V8-
Yes, particularly for later Discovery 4 SDV8 models, which hold their classic status and market value exceptionally well.
- Discovery 4 SDV8 models regularly sell for £8,000 to £18,000+.
- An £8,000-£12,000 rebuilt engine preserves the vehicle's towing capability and long-term usability.
- Early Discovery 3 models under £5,000 should be evaluated carefully against scrap value.
Question 4What is the difference between the 368DT TDV8 and 448DT SDV8 engines-
Both are 4.4-litre twin-turbo V8 diesels, but the 448DT was introduced as a refined, more robust evolution of the 368DT.
- The 448DT produces 339hp compared to the 368DT's 306hp.
- The 448DT features an upgraded oil cooling system and revised bottom-end components to prevent the crankshaft issues seen in early 368DT units.
Question 5How long does a Land Rover Discovery 4.4 V8 engine replacement take-
Because the 4.4 V8 is a densely packed twin-turbo engine, a specialist workshop requires careful extraction and specific Land Rover diagnostic tools.
- Engine removal and refitting usually takes 14 to 18 hours of labour.
- Total workshop turnaround is typically 4 to 6 working days, including ECU coding and adaptation.
Why Choose UsCompare Land Rover Discovery 4.4 V8Engine PricesToday
100+ Land Rover Discovery 4.4 V8 engines supplied through our network
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Comparing quotes for your Land Rover Discovery 4.4 V8 is completely free, no-obligation, and tailored to your exact chassis and 4.4 V8 engine code. Skip the main dealer premiums and connect directly with vetted Land Rover specialists who understand the 368DT and 448DT V8 architecture inside out.
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