If your Discovery 4 has suffered a serious engine fault, the first job is to identify the exact engine before deciding whether to repair, rebuild or replace it. Our Ilford workshop deals with Land Rover Discovery 4 engine enquiries across diesel and petrol variants, with reconditioned and replacement options, supply-only support and complete engine fitting.
Send the registration, mileage and symptoms and we will check the vehicle specification, narrow down the engine code and explain the available route. That matters on the Discovery 4 because the range includes several 2.7, 3.0 and 5.0-litre engines that are not interchangeable simply because the capacity looks similar.
The current website engine catalogue lists six Discovery 4 engine codes: 276DT, 306DT, 30DDTX, 306PS, 30HD0D and 508PN. These cover 2.7-litre and 3.0-litre diesel units, 3.0-litre petrol variants and a 5.0-litre V8. Because engine code, fuel type, output and ancillaries can differ, the vehicle registration should be checked before an engine is ordered or fitted.
A “Discovery 4 3.0 engine” description is not enough to guarantee compatibility. Send the registration and any engine code you already have so the unit can be checked against the vehicle before quoting.
The Discovery 4 is now at an age where engine problems can range from repairable turbo, EGR, cooling or timing faults to serious internal damage. Some vehicles arrive after an oil-pressure warning or heavy knock; others have already been diagnosed with crankshaft, bearing, compression or overheating damage. The correct route depends on what has failed and whether the original engine remains suitable for rebuilding.
At our specialist Jaguar and Land Rover engine workshop in Ilford, we use the vehicle details and fault information to narrow down the engine specification first. We can then discuss a targeted repair, rebuild of the original engine, a reconditioned replacement engine or another replacement option, subject to availability and inspection.
For customers whose Discovery 4 is already with another garage, supply-only can be discussed. For owners who want one specialist workshop to manage the job, we can arrange engine supply and fitting from 36-A Fowler Road, Ilford IG6 3UT, with collection and delivery options available beyond the local area.
The 276DT is the 2.7-litre diesel V6 listed for the Discovery 4. When this engine develops a serious bottom-end knock, low oil pressure or crankshaft-related damage, continued driving can increase the repair scope very quickly. Timing-belt condition, turbocharger oil supply, EGR operation and the cause of any lubrication problem should also be considered before another engine is installed.
The 3.0-litre diesel Discovery 4 needs careful diagnosis when there is heavy knocking, oil-pressure loss, metal contamination, smoke, poor boost or repeated engine warnings. Depending on the failure, work may involve the crankshaft and bearings, timing system, turbochargers, EGR or DPF-related systems, cooling components or a complete engine rebuild or replacement. The root cause should be identified before a replacement engine is returned to service.
The 3.0-litre petrol variants listed in the catalogue require a different diagnostic route from the diesel engines. Misfires, coolant loss, overheating, compression problems, timing-related noise or supercharger-related drive concerns should be assessed before engine replacement is considered. A registration and engine-code check is essential because the petrol and diesel 3.0-litre units are completely different engine families.
The 508PN is the 5.0-litre V8 listed for the Discovery 4. On a V8 with major engine symptoms, the workshop assessment should consider cooling-system condition, oil leaks, timing-related noise, misfire, compression and evidence of overheating or lubrication problems. The aim is to establish whether the engine needs a targeted repair, cylinder-head or timing work, a rebuild or replacement.
| Engine / Family | Code | Fuel | Output | Catalogue |
|---|---|---|---|---|
| 2.7-litre V6 | 276DT | Diesel | 140 kW / 190 hp | Listed for Discovery 4 |
| 3.0-litre V6 | 306DT | Diesel | 155 kW / 211 hp | Listed for Discovery 4 |
| 3.0-litre V6 | 30DDTX | Diesel | 155 kW / 211 hp | Listed for Discovery 4 |
| 3.0-litre V6 | 306PS | Petrol | 250 kW / 340 hp | Listed for Discovery 4 |
| 3.0-litre V6 | 30HD0D | Petrol | 250 kW / 340 hp | Listed for Discovery 4 |
| 5.0-litre V8 | 508PN | Petrol | 276 kW / 375 hp | Listed for Discovery 4 |
Search the Discovery 4 engines currently listed, or send your registration if the exact engine is not shown. Availability changes, so a registration check is the fastest way to get a confirmed answer.
| Model | Engine Code | Engine Size | Power | Year Range | Action |
|---|---|---|---|---|---|
| Land Rover Discovery 4 | 276DT | 2720 | 140 kw / 190 hp | 2009-continue | Get a quote |
| Land Rover Discovery 4 | 306DT | 2993 | 155 kw / 211 hp | 2009-continue | Get a quote |
| Land Rover Discovery 4 | 306PS | 2995 | 250 kw / 340 hp | 2009-continue | Get a quote |
| Land Rover Discovery 4 | 30DDTX | 2993 | 155 kw / 211 hp | 2009-continue | Get a quote |
| Land Rover Discovery 4 | 30HD0D | 2995 | 250 kw / 340 hp | 2009-continue | Get a quote |
| Land Rover Discovery 4 | 508PN | 4999 | 276 kw / 375 hp | 2009-continue | Get a quote |
The online list is not the final answer. Send your registration and the current engine fault, and we can check the correct engine specification and availability.
Engine stock and exchange units can change. Send the registration, model year, engine code if known and a short fault description. We can check the appropriate Discovery 4 engine option before you commit.
A warning light, smoke or loss of power does not automatically mean the engine needs replacing. The same symptom can come from a repairable turbo, EGR, DPF, cooling or fuel-system fault, or from serious internal engine damage. Diagnosis should come before an engine order.
A deep metallic knock that follows engine speed can indicate bearing or crankshaft damage. On the 2.7 and 3.0 diesel engines, stop driving and have the oil pressure and internal condition assessed before further damage occurs.
Low oil pressure can threaten crankshaft bearings, camshafts and turbocharger lubrication. The cause may be internal wear, oil-pump or pickup problems, contamination or another lubrication fault, so a replacement engine should not be fitted until the cause has been addressed.
Diesel Discovery 4 engines have timing components that must be maintained correctly. Belt deterioration, tensioner problems or timing-related damage can create poor running or catastrophic internal contact. Petrol variants may present with different timing-related noise or faults and should be assessed separately.
Smoke, poor boost, limp mode and repeated warning lights can originate from turbocharger, EGR or DPF-related faults rather than complete engine failure. These systems should be diagnosed because a failed supporting system can also contribute to engine damage.
Repeated overheating can damage cylinder heads, head gaskets, bores and other internal components. Cooling-system leaks, poor circulation or other causes must be corrected before a repaired or replacement engine is put back into service.
On petrol variants, persistent misfire or low compression can point to ignition, valve, cylinder-head or deeper mechanical problems. Compression and leak-down testing can help separate repairable faults from major internal damage.
A seized engine, heavy internal noise or metallic contamination in the oil usually justifies a deeper inspection to determine whether the unit can be rebuilt economically or whether replacement is the better route.
If oil starvation, overheating, turbocharger failure or another supporting fault caused the damage, fitting another engine without correcting the cause risks repeating the same failure.
The best option is not decided by the warning light alone. It depends on the damaged components, condition of the block and crankshaft, cost of machining and parts, availability of a replacement engine, vehicle condition and how long you intend to keep the Discovery 4.
| Option | What It Means | When It May Suit |
|---|---|---|
| Targeted repair | Only the failed system or component is repaired when the main engine remains serviceable. | When diagnosis finds a repairable turbo, cooling, EGR, DPF, fuel, ignition or timing-related problem. |
| Rebuild your engine | The original engine is stripped, measured and rebuilt if its major castings and components remain suitable. | When internal damage is rebuildable and retaining the original unit is practical. |
| Reconditioned engine | A replacement engine that has been internally inspected and restored according to the condition found. | When the original engine is uneconomical to rebuild and you want more documented workshop work than a basic used unit. |
| Used replacement engine | An engine removed from another vehicle and supplied in used condition. | When a suitable unit is available and initial purchase cost is the main consideration. |
Send the registration, mileage and any diagnosis you already have. We can compare repair, rebuild and replacement routes against the actual Discovery 4 engine rather than guessing from symptoms.
Tell us the registration, mileage, warning lights, noises, smoke, overheating history and any diagnosis already completed.
We identify the relevant Discovery 4 engine code and check the vehicle details before discussing a replacement unit.
Where the vehicle comes to our Ilford workshop, diagnostics and inspection help separate a repairable supporting fault from serious internal engine damage.
We explain what is known, what further inspection may be required and which route is most appropriate before major work proceeds.
If another garage is fitting the engine, we can discuss supply only. If you want one workshop responsible for the job, we can manage supply and fitting in Ilford.
Cooling, lubrication, turbo, fuel, EGR, DPF or other contributing faults should be corrected so the repaired or replacement engine is not exposed to the same cause of failure.
If you are searching for a Land Rover Discovery 4 engine specialist near Ilford, our workshop is based at 36-A Fowler Road, Ilford IG6 3UT. We work specifically with Jaguar, Land Rover and Range Rover engines, allowing local customers in Ilford, East London and Essex to bring the vehicle to a specialist engine workshop rather than splitting the job between an engine seller and a general garage.
If the Discovery 4 is already with your own garage, we can discuss an appropriate engine subject to confirmed specification and availability. Your installer should verify compatibility and correct any cause of the original failure before fitting.
For owners who want one workshop to manage the engine replacement, we can arrange engine supply and fitting in Ilford. This keeps engine matching, removal, installation and post-fit checks under one job.
We serve Ilford and surrounding East London and Essex areas directly. Collection and delivery can also be discussed for customers further away, with mainland UK engine supply available subject to the job and engine.
There is no single Discovery 4 engine price because the range includes different diesel and petrol engines, and the final cost depends on the exact code, failure, engine condition and whether you require supply only or complete fitting. A repairable turbo or cooling fault is a very different job from crankshaft damage, a seized engine or a complete replacement.
Warranty depends on the engine supplied and the work carried out. The website currently advertises reconditioned engine options with warranty cover of up to 12 months. The exact duration, parts and labour terms, fitting conditions and servicing requirements should be confirmed in writing with the quotation.
| Cost Factor | Why It Changes The Quote |
|---|---|
| Engine code | 276DT, 306DT, 30DDTX, 306PS, 30HD0D and 508PN are different units with different parts, availability and fitting requirements. |
| Failure type | Supporting-system repairs, timing work, crankshaft damage, overheating and complete seizure require very different labour and parts. |
| Original engine condition | A rebuild only makes sense when the main castings and components can be restored within acceptable tolerances. |
| Replacement type | Used, reconditioned and rebuilt engines have different preparation, history and warranty considerations. |
| Supply only or fitted | Vehicle recovery, removal, installation, fluids and associated workshop work affect the final figure. |
| Supporting faults | Cooling, turbo, DPF, EGR, fuel or lubrication faults may need correcting before the replacement engine is returned to service. |
For an accurate Discovery 4 engine price, send the registration, engine code if known, mileage, postcode and a short description of the fault. We can then quote against the actual vehicle rather than a generic engine price.
A repaired, rebuilt or replacement engine should not be treated as the end of the diagnosis. Follow the written running-in or servicing instructions supplied with the job, monitor oil and coolant levels, investigate any warning light or leak immediately and make sure supporting systems remain healthy. On a reconditioned engine, the workshop should confirm any early oil-change or inspection requirements as part of the handover paperwork.
A Discovery 4 engine replacement is a major decision, especially when the vehicle has already suffered a severe knock, oil-pressure warning, overheating event or existing diagnosis from another garage. Our role is to identify the correct engine, explain the realistic options and keep the engine work tied to a clear written quotation.
Send your registration and a short description of the engine problem. If you already know the engine code, include it. We will use the details to narrow down the correct Discovery 4 engine and discuss the available repair, rebuild or replacement options.
| What To Send | Why We Need It |
|---|---|
| Vehicle registration | To identify the Discovery 4 and narrow down the engine specification. |
| Mileage | Helps put the failure and repair decision into context. |
| Symptoms or diagnosis | Knocking, oil-pressure warning, smoke, overheating, misfire, no-start, seizure or an existing garage report. |
| Engine code if known | Useful when comparing the available engine listings. |
| Postcode | Needed if collection, delivery or workshop logistics are part of the quote. |
Start with the registration. We will confirm the engine details before you commit.
The current website catalogue lists 276DT, 306DT, 30DDTX, 306PS, 30HD0D and 508PN for the Discovery 4. These cover diesel and petrol variants. Confirm the exact engine using the registration and engine code before ordering.
Yes, reconditioned engine options can be discussed subject to the exact Discovery 4 engine code and current availability. The quotation should confirm the engine specification, work carried out and warranty terms.
Potentially. A rebuild depends on the condition of the block, crankshaft, bores, cylinder heads and other major components. The engine must be assessed before a rebuild can be recommended.
Possible causes include lubrication or oil-pressure problems, crankshaft or bearing damage, timing faults, overheating, turbocharger failure and other supporting-system problems. The exact cause should be diagnosed rather than assumed from a single symptom.
Yes. Smoke, poor boost, limp mode and warning lights can come from turbocharger, EGR or DPF-related faults. Proper diagnostics can prevent an unnecessary engine replacement.
Yes. Supply-and-fit service is available through the Ilford workshop, subject to confirming the vehicle and engine details. Supply-only can also be discussed if your own garage will install the engine.
The price depends on the engine code, condition, failure type, availability and whether you require supply only or complete fitting. Send the registration and fault details for a vehicle-specific quote.
Warranty depends on the engine and work supplied. The website advertises reconditioned engine options with up to 12 months of warranty cover. Exact terms should be confirmed on the written quotation.
Collection and delivery can be discussed for customers outside the immediate Ilford and East London area. Send the postcode and vehicle details when requesting a quote.
The right route depends on the actual internal damage, condition of the original engine, availability of replacement units, vehicle condition and total cost. Diagnosis and engine identification should come before the decision.
Our Ilford workshop serves London and Essex directly, and we supply, deliver and arrange fitting for Jaguar, Land Rover and Range Rover owners across the rest of the UK. Wherever your vehicle is, we can help.
Do not see your area? We cover the whole of mainland UK for engine supply and delivery.
Send your registration and we will confirm your engine code, tell you what the likely fault is, and put the cost in writing. If the cheaper option is the right one, we will tell you that too.
Browse the wider Land Rover engine range for Defender, Discovery, Discovery Sport and Freelander models.
Read moreHow reconditioned engines are inspected, restored and supplied through our Ilford workshop.
Read moreDiagnostic and repair work for Land Rover engines, from timing systems to turbochargers.
Read moreSend your registration, mileage and engine fault. We will help identify the engine, discuss the available options and provide a written quote before major work starts.
