What Is the Average Price of a Reconditioned AJ133 Supercharged V8 in the UK?
If you're researching costs for a Range Rover V8 engine, the AJ133 supercharged unit is one of the most searched-for models among owners facing failure or performance issues. At Range Rover Engine Specialist, based in Grays, UK, we supply, fit, and recondition Range Rover engines for customers across the country. This guide covers average AJ133 pricing, full specifications, common faults and fixes, and why choosing a reconditioned unit through professional supply and fit services is often better value than buying used or brand new.
What Is the AJ133 Engine?
The AJ133 is Jaguar Land Rover's 5.0-liter V8, available in both naturally aspirated and supercharged form, powering models including the Range Rover, Range Rover Sport, and Range Rover Sport SVR. The supercharged variant delivers strong power and torque but is a complex, high-performance unit with sensitive components such as timing chains, superchargers, and direct injection systems. When searching for Range Rover engines for sale, buyers should always confirm they're getting the correct AJ133 code, as naturally aspirated and supercharged versions differ internally and are not interchangeable without significant modification work.
AJ133 Engine Specifications
SpecificationDetailDisplacement5.0 litres (4,999 cc)ConfigurationV8, 32-valve, DOHCInductionTwin-vortex supercharger (supercharged variant)Power OutputApprox. 375PS to 575PS (SVR)TorqueApprox. 515Nm to 700NmFuel SystemDirect injectionCompression RatioApprox. 9.5:1 (supercharged)Cylinder BlockAluminium alloyTiming SystemDuplex timing chain
These figures vary slightly by model year and vehicle application, so always confirm exact specifications against your engine code before ordering a Range Rover V8 engine. Knowing your spec sheet helps when comparing Range Rover engines for sale and ensures the reconditioned unit you buy matches your vehicle's original performance and emissions setup precisely.
Table of AJ133 Engine Models and Applications
Engine Code / VariantPower OutputVehicle ApplicationApprox. YearsAJ133 (NA)375PSRange Rover, Range Rover Sport2012–2017AJ133 (Supercharged)510PSRange Rover Sport, Range Rover2012–2021AJ133 (Supercharged)525PSRange Rover Sport Autobiography2014–2021AJ133 SVR550PS–575PSRange Rover Sport SVR2015–2022
This table gives a quick reference when browsing Range Rover engines for sale, helping you confirm you're buying the correct variant. Always cross-check with your V5 logbook or engine bay plate, as fitting the wrong AJ133 code can cause ECU mismatches and unnecessary engine replacement costs later.
Common AJ133 Problems and Solutions
The AJ133 is a strong performer but does have known weak points. Supercharger bearing wear can cause whining noises and is typically resolved with a supercharger rebuild or replacement. Timing chain stretch, though less common than on diesel units, can occur on higher-mileage engines and requires chain and tensioner replacement. Oil leaks from the timing cover and rear main seal are also reported, usually fixed during a full engine rebuild. Carbon build-up on direct injection components can cause rough running, resolved through professional cleaning. Regular servicing and early diagnosis prevent most of these issues from escalating into costly failures.
Average Reconditioned AJ133 Price in the UK
On average, a fully reconditioned AJ133 supercharged V8 costs between £4,500 and £7,500 in the UK, depending on supplier, warranty length, and whether fitting is included. Prices at the higher end typically reflect longer warranties, full supercharger reconditioning, and comprehensive testing before dispatch. Used AJ133 engines are cheaper, often £2,500–£4,000, but carry a higher risk of hidden wear. Brand-new factory replacement units can exceed £10,000. For most owners comparing engine replacement costs in UK garages, a reconditioned AJ133 offers the best balance between reliability, warranty protection, and overall value for money.
Reconditioned Engines vs Used Engines
When weighing reconditioned engines vs used engines for an AJ133 replacement, the difference in long-term value is significant. A used AJ133 may look cheaper initially but often carries unknown mileage, unclear service history, and no warranty against failure. A reconditioned JLR engine has been stripped, inspected, and rebuilt with new bearings, seals, and often a refurbished supercharger, then tested before sale. For a complex, high-performance unit like the AJ133, reconditioned is almost always the safer investment. Shop our range of reconditioned Range Rover engines if you want tested reliability rather than gambling on an unknown used alternative.
Engine Replacement Costs in the UK
Beyond the engine price itself, total engine replacement costs in UK workshops include labor, fluids, gaskets, and diagnostic checks. For an AJ133 supercharged V8, full replacement, including fitting, typically ranges from £5,500 to £9,000, depending on the reconditioned unit chosen and any additional supercharger work required. Choosing a reconditioned engine over a brand-new factory unit can save several thousand pounds while maintaining strong reliability and performance. At Range Rover Engine Specialist, we offer fixed, transparent pricing with no upfront charges and no deposit required, so you know the full cost before any work begins.
Supply and Fit Services from Range Rover Engine Specialist
Our supply and fit services take the stress out of sourcing and fitting a reconditioned AJ133 engine. Our Grays-based team sources the correct unit, confirms engine code compatibility, and carries out professional fitting with full diagnostic testing before handover. We proudly offer no upfront charges and no deposit required, so you can buy with confidence and pay only once satisfied. Whether you need an engine rebuild, full replacement, or you're browsing Range Rover engines for sale, our specialists ensure every AJ133 unit is correctly matched and warrantied for long-term peace of mind.
Nationwide Logistics and Delivery for Range Rover Engines
Based in Grays, UK, Range Rover Engine Specialist operates a dependable logistics network to deliver engines quickly and safely UK-wide. Every reconditioned AJ133 unit is securely packaged and tracked from our warehouse to your address or preferred garage, minimizing delays and transit damage risk. Our logistics partners support both trade and private customers, ensuring fast turnaround for supply and fit bookings nationwide. You can view full delivery coverage and shipping timelines on our dedicated logistics page: enginesolutionsltd.co.uk/logistics. Buy with confidence knowing your engine is handled professionally from purchase through to installation.
Frequently Asked Questions
What is the average price of a reconditioned AJ133 V8?
Typically £4,500–£7,500 in the UK. Price depends on warranty and fitting inclusion.
What are the most common AJ133 problems?
Supercharger wear, timing chain stretch, and oil leaks. Regular servicing prevents most failures.
What's included in full AJ133 replacement costs?
Engine price, labor, fluids, and diagnostics. The total typically ranges from £5,500 to £9,000 fitted.
Are all AJ133 engines the same?
No, power outputs range from 375PS to 575PS. Always confirm your exact engine code.
Do you offer no-deposit AJ133 engine replacement?
Yes, no upfront charges apply. Payment is due only once work is complete.









