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Toyota Harrier Engine ReplacementCompare Prices & Save
Get quotes today from trusted UK Toyota Harrier engine specialists. Compare prices on reconditioned, rebuilt and used engines - supply & fit available nationwide.
Harrier 2.4L Petrol Engines - from £1,100 to £3,200
-> Rebuilt units from £1,100 · Common codes: 2AZ-FE, 2AR-FE, 5S-FE
Harrier 3.0L V6 Engines - from £1,400 to £3,800
-> Rebuilt units from £1,400 · Common codes: 1MZ-FE, 3MZ-FE
Harrier 2.0L Turbo Engines - from £1,800 to £4,500
-> Rebuilt units from £1,800 · Common codes: 8AR-FTS, M20A-FKS, A25A-FXS
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How It Works
3 Simple Stepsto Finding the Best Toyota Harrier Replacement Engine
Get Instant Quotes from Toyota Engine Specialists Across the UK - 100% free, no obligation. Most replacements completed within 3-5 days.
Most replacements completed within 3-5 days.
12-Month Warranty
Supply & Fit Available
Nationwide Delivery
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Live UK Engine Market Data
What Are UK Drivers Paying for Toyota Harrier Engine Replacement?
The table below shows typical UK rebuilt engine costs across Toyota Harrier variants - compare failure causes, engine codes, fuel types, and price ranges to benchmark what UK drivers are paying.
Average Market Prices
- Toyota Harrier (XU10) 3.0 V6 Petrol1997-2003£1,300-£3,400Timing belt failure1MZ-FEPetrol 3.0L
- Toyota Harrier (XU30) 2.4 Petrol2003-2013£1,100-£3,200Head bolt thread failure2AZ-FEPetrol 2.4L
- Toyota Harrier (XU30) 3.0 V6 Petrol2003-2013£1,400-£3,600Oil consumption issues1MZ-FEPetrol 3.0L
- Toyota Harrier (XU60) 2.0 Turbo Petrol2013-2020£1,800-£4,500HPFP failure8AR-FTSPetrol 2.0L
- Toyota Harrier (XU60) 2.0 Petrol2013-2020£1,500-£3,800Carbon buildup intake3ZR-FAEPetrol 2.0L
- Toyota Harrier (XU80) 2.5 Hybrid2020+£2,800-£5,900Hybrid inverter faultA25A-FXSHybrid 2.5L
- Toyota Harrier (XU80) 2.0 Dynamic Force2020+£2,200-£4,800Timing chain tensionerM20A-FKSPetrol 2.0L
- Toyota Harrier (XU10) 2.2 Petrol1997-2003£950-£2,100Oil sludge buildup5S-FEPetrol 2.2L
Last updated: 31 May, 08:53
Customer Reviews
Trusted by Toyota Harrier OwnersAcross the UK
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Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Toyota Harrier engines through EngineMarket.
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“Got three quotes within an hour and chose the best deal easily. The whole process was quick, clear and stress-free.”
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“I wasn't sure what I needed, but they helped me identify the right engine and connected me with a trusted garage.”
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Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
- Jimmy, London
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Models We Cover
Toyota Harrier Engine ReplacementAll Variants Covered
From the economical XU10 2.2 to the high-performance XU80 2.5 Hybrid, our network of UK Toyota Harrier engine specialists helps you compare rebuilt, reconditioned and used engine prices. Typical price range for a rebuilt unit with 12-month warranty - supply & fit available nationwide.
Core Petrol Range
Specs155-160hp
Years2003-2013
Rebuilt£1,100-£3,200
Modern & Turbo Range
Latest Generation & Specialist
Variant Directory
All Toyota Harrier Variants - Engine Replacement Coverage
A full alphabetical listing of every Toyota Harrier trim covered by our network. All entries link to a dedicated variant page, where prices are further broken down by engine code, model year, and condition type. Click a live link to compare quotes.
Petrol Variants
XU10 2.2 BaseXU10 2.2 SXU10 3.0 V6 BaseXU10 3.0 V6 SXU10 3.0 V6 GXU30 2.4 BaseXU30 2.4 SXU30 2.4 GXU30 2.4 PremiumXU30 3.0 V6 BaseXU30 3.0 V6 SXU30 3.0 V6 GXU30 3.0 V6 PremiumXU60 2.0 BaseXU60 2.0 SXU60 2.0 GXU60 2.0 PremiumXU60 2.0 Turbo SXU60 2.0 Turbo GXU60 2.0 Turbo PremiumXU60 2.0 Turbo AdvanceXU80 2.0 BaseXU80 2.0 SXU80 2.0 GXU80 2.0 PremiumXU80 2.0 Dynamic Force SXU80 2.0 Dynamic Force GXU80 2.0 Dynamic Force Premium
Hybrid Variants
XU60 2.5 Hybrid SXU60 2.5 Hybrid GXU60 2.5 Hybrid PremiumXU60 2.5 Hybrid AdvanceXU80 2.5 Hybrid SXU80 2.5 Hybrid GXU80 2.5 Hybrid PremiumXU80 2.5 Hybrid AdvanceXU80 2.0 Turbo Hybrid SXU80 2.0 Turbo Hybrid GXU80 2.0 Turbo Hybrid Premium
Engine Codes
Toyota Harrier Engine CodesFull Technical Specifications & Replacement Guide
Every engine code fitted to the Toyota Harrier across all generations, with technical specs, compatible variants and trims, known failure points, and average rebuilt prices from UK specialists. Select any engine code to compare quotes.
Petrol Engines
Extracted from detailed petrol and performance engine families across Toyota Harrier variants.
Hybrid / Electrified Engines
Extracted from electrified powertrains and hybrid engine families used in Toyota Harrier variants.
Can't find your engine code?
Can't find your engine code? Enter your registration number above - we'll instantly identify the exact unit, its technical specifications, and live replacement prices from UK Toyota Harrier engine specialists. Every rebuilt engine comes with a minimum 12‑month unlimited mileage warranty.
Common Problems
Toyota Harrier Engine Problems
What It Costs to Fix & When Replacement Makes Sense
Every rebuilt engine includes a minimum 12-month unlimited mileage warranty.
1. 2AZ-FE Head Bolt Thread Failure
Why XU30 Harrier Engines Fail Prematurely
Affected Models
Toyota Harrier XU30 2.4 Base/S/G/Premium (2003-2013, 2AZ-FE)
Typical Failure Mileage
60,000-100,000 miles
Root Cause
Inadequate head bolt thread engagement in the aluminium block allows bolts to pull out under thermal cycling, breaching the head gasket.
Repair Options & Estimated Costs (UK ranges)
| Repair Tier | Dealer Price | Specialist Price | What It Involves | Longevity / Suitability |
|---|---|---|---|---|
Minor - Head Bolt Repair Kit Minor | £1,800 - £2,800 | £1,200 - £1,900 | Install threaded inserts, replace head gasket, reseal | Only viable if block not warped; 20k-40k mile extension |
Full Replacement - Rebuilt Engine Best Value | £4,200 - £6,500 | £1,100 - £3,200 | Supply & fit rebuilt 2AZ-FE with upgraded head bolts, bench tested, 12-month warranty | Restores full reliability; recommended for high-mileage Harriers |
Our Recommendation
Best next step for 2az-fe head bolt thread failure
On a XU30 Harrier worth £3,000-£7,000, a full rebuilt engine at £1,100-£3,200 supply-only often represents better long-term value than a head bolt repair that may only delay inevitable failure. We recommend replacement if the engine has exceeded 80k miles or shows signs of coolant/oil mixing.
Don't Let Engine Failure Write Off Your Toyota Harrier
The Toyota Harrier's most common engine failures - from 2AZ-FE head bolts to 1MZ-FE sludge - can be addressed cost-effectively through EngineMarket's network of UK specialists. Every rebuilt engine includes upgraded components targeting the original failure point, plus a minimum 12‑month unlimited mileage warranty. Compare prices from trusted suppliers, choose supply-only or full supply & fit, and get your grey import Harrier back on the road without the main dealer premium.
Compare Toyota Harrier Engine Replacement Prices Now →Toyota Harrier Engine Problems
What It Costs to Fix & When Replacement Makes Sense
Affected Models
Toyota Harrier XU30 2.4 Base/S/G/Premium (2003-2013, 2AZ-FE)
Typical Failure Mileage
60,000-100,000 miles
Root Cause
Inadequate head bolt thread engagement in the aluminium block allows bolts to pull out under thermal cycling, breaching the head gasket.
Minor - Head Bolt Repair Kit
Dealer
£1,800 - £2,800
Specialist
£1,200 - £1,900
Install threaded inserts, replace head gasket, reseal
Only viable if block not warped; 20k-40k mile extension
Full Replacement - Rebuilt Engine
Dealer
£4,200 - £6,500
Specialist
£1,100 - £3,200
Supply & fit rebuilt 2AZ-FE with upgraded head bolts, bench tested, 12-month warranty
Restores full reliability; recommended for high-mileage Harriers
Our Recommendation
Best next step for 2az-fe head bolt thread failure
On a XU30 Harrier worth £3,000-£7,000, a full rebuilt engine at £1,100-£3,200 supply-only often represents better long-term value than a head bolt repair that may only delay inevitable failure. We recommend replacement if the engine has exceeded 80k miles or shows signs of coolant/oil mixing.
Don't Let Engine Failure Write Off Your Toyota Harrier
The Toyota Harrier's most common engine failures - from 2AZ-FE head bolts to 1MZ-FE sludge - can be addressed cost-effectively through EngineMarket's network of UK specialists. Every rebuilt engine includes upgraded components targeting the original failure point, plus a minimum 12‑month unlimited mileage warranty. Compare prices from trusted suppliers, choose supply-only or full supply & fit, and get your grey import Harrier back on the road without the main dealer premium.
Compare Toyota Harrier Engine Replacement Prices Now →Disclaimer: 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 EngineMarket'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 Toyota Harrier and engine code. Every engine supplied through EngineMarket carries a minimum 12‑month unlimited mileage warranty - always confirm exact terms with your chosen supplier.
12-Month Warranty
Upgraded Components
Nationwide UK Delivery
Save vs Main Dealer Price
Replacement Engine Options
Toyota Harrier Engine TypesOptions, Costs & What to Expect
Every Toyota Harrier engine type is available through our UK network with typical price ranges based on variant, engine code and budget.
All engine types include a minimum 12‑month unlimited mileage warranty when sourced through EngineMarket. Prices are typical UK market ranges based on historical quote data from our network and depend on exact engine code, variant, mileage and supplier. Use our free comparison tool above - enter your registration to get tailored quotes for your specific Toyota Harrier within hours.
Engine Sizes
Toyota Harrier Engines by SizeFind the Right Displacement for Your Variant
Toyota Harrier Petrol Engine Sizes
The entry-level XU10 Harrier engine; a robust 2.2L unit that powered early grey imports but requires strict oil change intervals to avoid sludge-related failures.
| Engine Code(s) | 5S-FE |
| Compatible Models (UK) | XU10 2.2 Base (1997-2003), XU10 2.2 S |
| Production Years | 1997-2003 |
Common Failure Points
Watch for these known weak points
Oil sludge buildup from infrequent changes; head gasket failure at high mileage
Not sure which engine size your Toyota Harrier needs? Enter your registration number above - we'll identify the exact displacement, engine code and compatible replacement options instantly. All engines supplied through EngineMarket include a minimum 12‑month unlimited mileage warranty from UK Toyota Harrier specialists.
Toyota Harrier Engines Fuel Type
Toyota Harrier Engines by Fuel Type
Toyota Harrier Petrol Engines
Toyota Harrier Petrol Engines
Petrol engines dominate the Toyota Harrier range across all four generations, with the 2.4L 2AZ-FE being the most common replacement enquiry due to known head bolt issues.
Common Toyota Harrier Petrol Engine Families
2AZ-FE - XU30 2.4L most common replacement engine, head bolt thread failure risk
1MZ-FE - XU10/XU30 3.0L V6, oil sludge issues in pre-2001 units
8AR-FTS - XU60 2.0L turbo, HPFP failure causing intermittent cut-outs
M20A-FKS - XU80 2.0L Dynamic Force, timing chain tensioner wear at high mileage
Found In
XU10 (1997-2003) - 2.2L 5S-FE, 3.0L 1MZ-FE
XU30 (2003-2013) - 2.4L 2AZ-FE, 3.0L 1MZ-FE
XU60 (2013-2020) - 2.0L 3ZR-FAE, 2.0L Turbo 8AR-FTS
XU80 (2020+) - 2.0L M20A-FKS, 2.0L Turbo Hybrid
Known For
Strong aftermarket support for grey import petrol engines
2AZ-FE head bolt failure is the single biggest replacement driver
Turbo models require specialist HPFP diagnostics
Carbon buildup on direct injection units needs regular walnut blasting
Typical Petrol Models
XU30 2.4 Base/S/G/Premium
XU30 3.0 V6 Base/S/G/Premium
XU60 2.0 Turbo S/G/Premium/Advance
XU80 2.0 Dynamic Force S/G/Premium
Not sure which fuel type your Toyota Harrier has? Enter your registration number above to instantly identify your engine code, fuel system and compatible replacement options - all backed by a minimum 12‑month unlimited mileage warranty from UK Toyota Harrier specialists.
Engine Years
Toyota Harrier Engines by YearWhat Was Fitted & When
This section covers all major engine changes across the Toyota Harrier's production timeline, organised so UK grey import owners can quickly identify their engine and compare rebuilt engine prices from specialists.
1997 - 2003 - XU10 First Generation
Major Engine Changes2 engine highlights
The original Harrier launch; petrol-only with 2.2L and 3.0L V6 options defining early grey import demand.
Key Changes
Toyota Harrier launched as premium Lexus RX300 sibling for Japanese domestic market
First grey imports arrive in UK via specialist channels
No diesel or hybrid options in this generation
Known For
Robust 5S-FE but requires strict oil change intervals to avoid sludge
1MZ-FE V6 smooth and powerful but pre-2001 units prone to oil sludge
Early grey import pioneers; parts availability now relies on specialist breakers
Timing belt replacement critical at 60k miles for 1MZ-FE
Main Engines
5S-FE - 2.2L petrol (XU10 2.2 Base/S)
1MZ-FE - 3.0L petrol V6 (XU10 3.0 V6 Base/S/G)
Popular Models
Toyota Harrier XU10 2.2 Base
Toyota Harrier XU10 2.2 S
Toyota Harrier XU10 3.0 V6 G
Engine Codes Covered
5S-FE1MZ-FE
Common Replacement Enquiries
Toyota Harrier XU10 2.2 engine replacement
Toyota Harrier 1MZ-FE oil sludge fix
Toyota Harrier XU10 3.0 V6 rebuilt engine
Get quotes for 1997-2003 Toyota Harrier replacement engines
1997 - 2003 - XU10 First Generation
Major Engine Changes2 engine highlights
The original Harrier launch; petrol-only with 2.2L and 3.0L V6 options defining early grey import demand.
Key Changes
Toyota Harrier launched as premium Lexus RX300 sibling for Japanese domestic market
First grey imports arrive in UK via specialist channels
No diesel or hybrid options in this generation
Known For
Robust 5S-FE but requires strict oil change intervals to avoid sludge
1MZ-FE V6 smooth and powerful but pre-2001 units prone to oil sludge
Early grey import pioneers; parts availability now relies on specialist breakers
Timing belt replacement critical at 60k miles for 1MZ-FE
Main Engines
5S-FE - 2.2L petrol (XU10 2.2 Base/S)
1MZ-FE - 3.0L petrol V6 (XU10 3.0 V6 Base/S/G)
Engine Codes Covered
5S-FE1MZ-FE
Popular Models
Toyota Harrier XU10 2.2 Base
Toyota Harrier XU10 2.2 S
Toyota Harrier XU10 3.0 V6 G
Common Replacement Enquiries
Toyota Harrier XU10 2.2 engine replacement
Toyota Harrier 1MZ-FE oil sludge fix
Toyota Harrier XU10 3.0 V6 rebuilt engine
Get quotes for 1997-2003 Toyota Harrier replacement engines
Year Finder
Not sure which year your Toyota Harrier was built?
Not sure which year your Toyota Harrier was built? Enter your registration number and we'll identify the exact engine, model year, and compatible replacement options instantly - all backed by a minimum 12‑month warranty from UK Toyota Harrier specialists.
FAQ
Toyota Harrier Engine ReplacementFrequently Asked Questions
Question 1
How much does a Toyota Harrier engine replacement cost in the UK?
Toyota Harrier engine replacement costs range from £950 for a used 2.2L unit to £5,900 for a rebuilt hybrid powertrain, depending on engine code, condition and whether you choose supply-only or supply & fit.
Key points
- • 2AZ-FE 2.4L rebuilt: £1,100-£3,200 supply-only
- • 1MZ-FE 3.0L V6 rebuilt: £1,300-£3,600 supply-only
- • 8AR-FTS 2.0L turbo rebuilt: £1,800-£4,500 supply-only
- • A25A-FXS hybrid rebuilt: £2,400-£5,900 supply-only
- • Supply & fit adds £450-£950 labour depending on garage
Question 2
Is the Toyota Harrier 2AZ-FE engine reliable?
The 2AZ-FE 2.4L engine in XU30 Harriers has a known head bolt thread failure issue between 60k-100k miles, making it one of the least reliable engines in the range and driving high replacement demand.
Key points
- • Head bolt threads pull out of aluminium block under thermal cycling
- • Causes head gasket breach, coolant/oil mixing, overheating
- • Rebuilt units with upgraded head bolts address the root cause
- • Regular oil changes and avoiding overheating can delay failure
Question 3
What is the best engine to buy in a used Toyota Harrier?
For reliability, the 1MZ-FE 3.0L V6 in well-maintained XU10/XU30 models or the M20A-FKS 2.0L Dynamic Force in XU80 Harriers offer the best balance of performance and longevity, avoiding the problematic 2AZ-FE.
Key points
- • 1MZ-FE V6 smooth and robust if oil changes were meticulous
- • M20A-FKS Dynamic Force benefits from latest engineering improvements
- • Avoid pre-2001 1MZ-FE units without full service history
- • Hybrid A25A-FXS efficient but complex; requires specialist servicing
Question 4
Can I replace my Harrier 2.4L 2AZ-FE with a 3.0L V6?
Engine swaps between 2AZ-FE and 1MZ-FE in XU30 Harriers are technically possible but require ECU, wiring loom and mounting modifications, making them costly and potentially affecting MOT compliance for grey imports.
Key points
- • Different engine management systems require specialist calibration
- • Mounting points and ancillary layouts differ between engines
- • Grey import status may complicate DVLA notification of major changes
- • A rebuilt 2AZ-FE with upgraded components is usually more cost-effective
Question 5
Does a used Toyota Harrier engine come with a warranty?
Reputable UK Toyota Harrier engine suppliers typically offer 3-12 month warranties on used engines, while rebuilt and reconditioned units from EngineMarket specialists include a minimum 12-month unlimited mileage warranty as standard.
Key points
- • Used engine warranties often exclude labour and consequential damage
- • Rebuilt engine warranties cover parts and often include supply & fit labour
- • Always confirm warranty terms, mileage limits and claim process before purchase
- • EngineMarket network suppliers are vetted for warranty honouring reliability
Question 6
How long does a Toyota Harrier engine replacement take?
Supply-only engine delivery typically takes 3-5 working days from order confirmation, while full supply & fit service including removal, fitment and commissioning usually completes within 2-4 days depending on garage workload and parts availability.
Key points
- • Used engines may be available for next-day dispatch if in stock
- • Rebuilt engines require build time; allow 5-10 working days
- • Hybrid and turbo variants may have longer lead times due to complexity
- • Supply & fit turnaround depends on garage booking availability
Question 7
What causes blue smoke from my Toyota Harrier 2.4L exhaust?
Blue smoke from a 2AZ-FE Harrier typically indicates excessive oil consumption due to worn piston rings allowing oil to enter the combustion chamber, a common failure mode at higher mileage requiring rebuilt engine replacement.
Key points
- • Oil consumption exceeding 1L/1,000 miles signals ring or bore wear
- • PCV valve blockage can exacerbate oil consumption but is a simpler fix
- • Compression and leak-down tests confirm ring/bore condition
- • Rebuilt engines with upgraded piston rings address the root cause
Question 8
Are Toyota Harrier hybrid engines expensive to replace?
Toyota Harrier hybrid engine replacement costs (£2,400-£5,900 for A25A-FXS rebuilt) are higher than standard petrol units due to complex electronics, but EngineMarket specialists offer competitive pricing with hybrid-specific expertise and warranty coverage.
Key points
- • Hybrid powertrains include petrol engine, electric motors and inverter
- • Inverter coolant pump failure is the most common hybrid-related issue
- • Replacement requires high-voltage qualified technicians for safety
- • Rebuilt hybrid units include upgraded inverter components addressing known faults
Question 9
Can I repair my Toyota Harrier engine instead of replacing it?
Minor repairs like head gasket replacement or HPFP change can be cost-effective for isolated faults on low-mileage Harriers, but catastrophic failures like seized bearings or warped blocks typically make rebuilt engine replacement the more reliable long-term solution.
Key points
- • Head bolt repair kits can address 2AZ-FE thread failure if block is undamaged
- • HPFP replacement may resolve 8AR-FTS cut-outs if cam lobe is unworn
- • Piston ring replacement for oil consumption is labour-intensive and may not resolve scored bores
- • Rebuilt engines include comprehensive upgrades addressing multiple potential failure points
Question 10
Where can I find a trusted Toyota Harrier engine supplier in the UK?
EngineMarket connects you with vetted UK Toyota Harrier engine specialists who supply rebuilt, reconditioned and used engines with transparent pricing, 12-month warranties and optional supply & fit service nationwide.
Key points
- • All network suppliers are rated and reviewed by real Harrier owners
- • Compare multiple quotes side-by-side before committing
- • Supply-only or full supply & fit options available depending on your needs
- • Every engine includes a minimum 12-month unlimited mileage warranty
Why Choose Us
Why UK Toyota Harrier Owners Trust EngineMarket
Find the best Toyota Harrier engine replacement near you
Compare engine prices for Toyota Harrier in the UK and get competitive quotes from garages near you.
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