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Jimmy
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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.”
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Toyota ENGINE MARKETPLACE
Toyota Sai Engine ReplacementCompare Prices & Save
Get quotes today from trusted UK Toyota Sai engine specialists. Compare prices on reconditioned, rebuilt and used 2AR-FXE hybrid engines - supply & fit available nationwide.
Toyota Sai 2.4L Hybrid Engines - from £1,245 to £3,450
-> Rebuilt units from £2,145 · Common codes: 2AR-FXE, AZK10
Toyota Sai Hybrid Inverter Units - from £895 to £2,100
-> Rebuilt units from £1,450 · Common codes: 2AR-FXE-INV, AZK10-PCU
Toyota Sai Complete Hybrid Powertrain - from £2,895 to £5,200
-> Rebuilt units from £3,450 · Common codes: 2AR-FXE-THS, AZK10-HYB
🔒 Secure enquiry - no spam, no pressure. Genuine quotes only from vetted UK Toyota Sai hybrid specialists.
● Instant Quotes · No Obligation · 100% Free · Reconditioned · Rebuilt · Used · Supply & Fit Available · UK-Wide Network|● Instant Quotes · No Obligation · 100% Free · Reconditioned · Rebuilt · Used · Supply & Fit Available · UK-Wide Network|● Instant Quotes · No Obligation · 100% Free · Reconditioned · Rebuilt · Used · Supply & Fit Available · UK-Wide Network|● Instant Quotes · No Obligation · 100% Free · Reconditioned · Rebuilt · Used · Supply & Fit Available · UK-Wide Network|
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How It Works
3 Simple Stepsto Finding the Best Toyota Sai 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
Trusted UK Suppliers
Live UK Engine Market Data
What Are UK Drivers Paying for Toyota Sai Engine Replacement?
The table below shows typical UK rebuilt engine costs across Toyota Sai variants - compare failure causes, engine codes, fuel types, and price ranges to benchmark what UK drivers are paying for this grey import hybrid.
Average Market Prices
- Toyota Sai (AZK10) Sai S Premium 2.4 Hybrid2014-2017£1,745-£3,450MG1 generator fault2AR-FXEHybrid Petrol 2.4L
- Toyota Sai (AZK10) Sai C 2.4 Hybrid2009-2012£1,245-£2,450Inverter coolant pump failure2AR-FXEHybrid Petrol 2.4L
- Toyota Sai (AZK10) Sai S 2.4 Hybrid2009-2013£1,345-£2,650Electric water pump failure2AR-FXEHybrid Petrol 2.4L
- Toyota Sai (AZK10) Sai G 2.4 Hybrid2010-2015£1,445-£2,850EGR cooler clogging2AR-FXEHybrid Petrol 2.4L
- Toyota Sai (AZK10) Sai G L Selection 2.4 Hybrid2012-2017£1,545-£3,050Oil consumption high-mileage2AR-FXEHybrid Petrol 2.4L
- Toyota Sai (AZK10) Sai C Premium 2.4 Hybrid2013-2017£1,645-£3,250Hybrid battery degradation2AR-FXEHybrid Petrol 2.4L
Last updated: 31 May, 08:53
Customer Reviews
Trusted by Toyota Sai OwnersAcross the UK
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4.8 out of 5
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Toyota Sai engines through EngineMarket.
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Pete
★★★★★
“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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Sophie
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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.”
Google
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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 Sai Engine ReplacementAll Variants Covered
From the economical Sai C to the premium Sai G L Selection, compare rebuilt, reconditioned and used 2AR-FXE hybrid engine prices from our network of UK Toyota Sai engine specialists - typical price range for a rebuilt unit with 12-month warranty, supply & fit available nationwide.
Core Sai Hybrid Range
Specs152hp
Years2009-2017
Rebuilt£2,145-£2,850
Premium & Late Production
Variant Directory
All Toyota Sai Variants - Engine Replacement Coverage
A full alphabetical listing of every Toyota Sai 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.
Engine Codes
Toyota Sai Engine CodesFull Technical Specifications & Replacement Guide
Every engine code fitted to the Toyota Sai 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.
Hybrid / Electrified Engines
Extracted from electrified powertrains and hybrid engine families used in Toyota Sai 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 Sai engine specialists. Every rebuilt engine comes with a 12‑month unlimited mileage warranty.
Common Problems
Toyota Sai Engine Problems
What It Costs to Fix & When Replacement Makes Sense
The Toyota Sai's sole 2AR-FXE hybrid powertrain is generally reliable, but UK grey import owners commonly report inverter coolant pump failure, electric water pump issues, and oil consumption on high-mileage units. Every rebuilt engine supplied through EngineMarket includes upgraded internal components designed to address the original failure point - plus a 12‑month unlimited mileage warranty.
Every rebuilt engine includes a minimum 12-month unlimited mileage warranty.
1. Toyota Sai Hybrid Inverter Failure
Why 2AR-FXE Engines Lose Power
Affected Models
Toyota Sai C, S, G, G L Selection, C Premium, S Premium (2009-2017, 2AR-FXE)
Typical Failure Mileage
60,000-90,000 miles
Root Cause
The inverter's internal electric coolant pump fails, causing the hybrid system to overheat and enter limp mode or shut down completely.
Repair Options & Estimated Costs (UK ranges)
| Repair Tier | Dealer Price | Specialist Price | What It Involves | Longevity / Suitability |
|---|---|---|---|---|
Minor - Coolant Pump Replacement Minor | £850 - £1,400 | £550 - £950 | Replace inverter coolant pump only, flush cooling loop | Viable only if caught early before inverter damage |
Intermediate - Inverter Refurbishment Intermediate | £1,800 - £3,200 | £1,200 - £2,100 | Refurbish inverter assembly, replace pump and sensors | Good option if inverter electronics undamaged |
Full Replacement - Rebuilt 2AR-FXE with Inverter Best Value | £4,500 - £7,800 | £2,895 - £4,200 | Supply & fit complete rebuilt hybrid engine with verified inverter | Best value for high-mileage Sai; includes 12-month warranty |
Our Recommendation
Best next step for toyota sai hybrid inverter failure
If your Sai shows inverter overheat warnings but still runs, a pump-only repair may suffice. However, on imports over 80k miles, we recommend a rebuilt 2AR-FXE with verified inverter to avoid repeat failures and protect residual value.
Don't Let Engine Failure Write Off Your Toyota Sai
The Toyota Sai's 2AR-FXE hybrid is a sophisticated system, but common failures like inverter pump issues, oil consumption, and electric water pump faults can be addressed cost-effectively through EngineMarket. Compare prices from trusted UK hybrid specialists, all supplying rebuilt engines with upgraded components and a 12-month unlimited mileage warranty. Get back on the road without the main dealer premium.
Compare Toyota Sai Engine Replacement Prices Now →Toyota Sai Engine Problems
What It Costs to Fix & When Replacement Makes Sense
The Toyota Sai's sole 2AR-FXE hybrid powertrain is generally reliable, but UK grey import owners commonly report inverter coolant pump failure, electric water pump issues, and oil consumption on high-mileage units. Every rebuilt engine supplied through EngineMarket includes upgraded internal components designed to address the original failure point - plus a 12‑month unlimited mileage warranty.
Affected Models
Toyota Sai C, S, G, G L Selection, C Premium, S Premium (2009-2017, 2AR-FXE)
Typical Failure Mileage
60,000-90,000 miles
Root Cause
The inverter's internal electric coolant pump fails, causing the hybrid system to overheat and enter limp mode or shut down completely.
Minor - Coolant Pump Replacement
Dealer
£850 - £1,400
Specialist
£550 - £950
Replace inverter coolant pump only, flush cooling loop
Viable only if caught early before inverter damage
Intermediate - Inverter Refurbishment
Dealer
£1,800 - £3,200
Specialist
£1,200 - £2,100
Refurbish inverter assembly, replace pump and sensors
Good option if inverter electronics undamaged
Full Replacement - Rebuilt 2AR-FXE with Inverter
Dealer
£4,500 - £7,800
Specialist
£2,895 - £4,200
Supply & fit complete rebuilt hybrid engine with verified inverter
Best value for high-mileage Sai; includes 12-month warranty
Our Recommendation
Best next step for toyota sai hybrid inverter failure
If your Sai shows inverter overheat warnings but still runs, a pump-only repair may suffice. However, on imports over 80k miles, we recommend a rebuilt 2AR-FXE with verified inverter to avoid repeat failures and protect residual value.
Don't Let Engine Failure Write Off Your Toyota Sai
The Toyota Sai's 2AR-FXE hybrid is a sophisticated system, but common failures like inverter pump issues, oil consumption, and electric water pump faults can be addressed cost-effectively through EngineMarket. Compare prices from trusted UK hybrid specialists, all supplying rebuilt engines with upgraded components and a 12-month unlimited mileage warranty. Get back on the road without the main dealer premium.
Compare Toyota Sai 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 Sai and engine code. Every engine supplied through EngineMarket carries a 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 Sai Engine TypesOptions, Costs & What to Expect
Every Toyota Sai engine type is available through our UK network with typical price ranges based on the 2AR-FXE hybrid code, AZK10 chassis and your budget.
All engine types include a 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 Sai within hours.
Engine Sizes
Toyota Sai Engines by SizeFind the Right Displacement for Your Variant
Every displacement fitted to the Toyota Sai is listed below, with compatible 2AR-FXE engine codes, production years and common failure notes for grey import owners.
Toyota Sai Hybrid Petrol Engine Sizes
The sole engine option for the Toyota Sai (AZK10 chassis), this 2.4L Atkinson-cycle petrol hybrid with THS II system powered all UK grey imports from 2009-2017, delivering exceptional fuel economy and smooth electric-assist driving. Not sure which engine size your Toyota Sai 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 12‑month unlimited mileage warranty from UK Toyota Sai specialists.
| Engine Code(s) | 2AR-FXE, AZK10 |
| Compatible Models (UK) | Sai C, Sai S, Sai G, Sai G L Selection, Sai C Premium, Sai S Premium |
| Production Years | 2009-2017 |
Common Failure Points
Watch for these known weak points
Inverter coolant pump failure, electric water pump wear, oil consumption on high-mileage units
Not sure which engine size your Toyota Sai 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 12‑month unlimited mileage warranty from UK Toyota Sai specialists.
Toyota Sai Engines Fuel Type
Toyota Sai Engines by Fuel Type
Choose your Toyota Sai engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from early Sai C imports to the latest Sai G L Selection.
Toyota Sai Hybrid Petrol Engines
Toyota Sai Hybrid Petrol Engines
The Toyota Sai was offered exclusively with the 2AR-FXE 2.4L Atkinson-cycle petrol hybrid with THS II system across all UK grey imports from 2009-2017.
Common Toyota Sai Hybrid Petrol Engine Families
2AR-FXE - sole engine for all Sai AZK10 variants, inverter coolant pump failure common at 60-90k miles
AZK10-THS II - complete hybrid system code, covers engine, inverter, MG1/MG2 motors and e-CVT
Found In
Toyota Sai AZK10 chassis (2009-2017) - all variants with 2AR-FXE hybrid
Known For
Exceptional fuel economy (56mpg combined) when maintained correctly
Inverter coolant pump failure triggering hybrid system warnings
Oil consumption on high-mileage units due to Atkinson-cycle operation
Strong cross-compatibility with Lexus HS 250h ANF10 for parts availability
Typical Hybrid Petrol Models
Sai C
Sai S
Sai G
Sai G L Selection
Sai C Premium
Sai S Premium
Not sure which fuel type your Toyota Sai has? Enter your registration number above to instantly identify your engine code, fuel system and compatible replacement options - all backed by a 12‑month unlimited mileage warranty from UK Toyota Sai specialists.
Engine Years
Toyota Sai Engines by YearWhat Was Fitted & When
This section covers all major engine changes across the Toyota Sai's 2009-2017 production timeline, organised so grey import owners can quickly identify their 2AR-FXE engine and compare rebuilt prices from UK specialists.
2009 - 2011 - Early Production AZK10
Major Platform Change
The Toyota Sai launched in Japan with the AZK10 chassis and sole 2AR-FXE hybrid powertrain, with early UK grey imports arriving from 2009.
Key Changes
Toyota Sai AZK10 chassis introduced with exclusive 2AR-FXE hybrid
THS II hybrid system with Atkinson-cycle petrol engine and e-CVT
Right-hand drive JDM specification for UK grey import market
Known For
First-generation AZK10 build quality generally robust
Early inverter coolant pump failures emerging at 60k+ miles
Strong fuel economy but requires hybrid-specialist servicing
Main Engines
2AR-FXE - 2.4L hybrid petrol (all Sai variants)
Popular Models
Toyota Sai C
Toyota Sai S
Toyota Sai G
Engine Codes Covered
2AR-FXEAZK10
Common Replacement Enquiries
Toyota Sai 2AR-FXE engine replacement
Toyota Sai hybrid inverter failure
Toyota Sai inverter coolant pump cost
Get quotes for 2009-2011 Toyota Sai replacement engines
2009 - 2011 - Early Production AZK10
Major Platform Change
The Toyota Sai launched in Japan with the AZK10 chassis and sole 2AR-FXE hybrid powertrain, with early UK grey imports arriving from 2009.
Key Changes
Toyota Sai AZK10 chassis introduced with exclusive 2AR-FXE hybrid
THS II hybrid system with Atkinson-cycle petrol engine and e-CVT
Right-hand drive JDM specification for UK grey import market
Known For
First-generation AZK10 build quality generally robust
Early inverter coolant pump failures emerging at 60k+ miles
Strong fuel economy but requires hybrid-specialist servicing
Main Engines
2AR-FXE - 2.4L hybrid petrol (all Sai variants)
Engine Codes Covered
2AR-FXEAZK10
Popular Models
Toyota Sai C
Toyota Sai S
Toyota Sai G
Common Replacement Enquiries
Toyota Sai 2AR-FXE engine replacement
Toyota Sai hybrid inverter failure
Toyota Sai inverter coolant pump cost
Get quotes for 2009-2011 Toyota Sai replacement engines
Year Finder
Not sure which year your Toyota Sai was built?
Not sure which year your Toyota Sai was built? Enter your registration number and we'll identify the exact engine, model year, and compatible replacement options instantly - all backed by a 12‑month warranty from UK Toyota Sai specialists.
FAQ
Toyota Sai Engine ReplacementFrequently Asked Questions
Question 1
How much does a Toyota Sai engine replacement cost UK?
Toyota Sai hybrid engine replacement costs typically range from £1,245 for a used JDM import unit to £3,450 for a fully rebuilt 2AR-FXE with warranty, supply only. Supply & fit adds £650-£1,200 depending on location and garage.
Key points
- • Used JDM 2AR-FXE: £1,245-£2,100 supply only
- • Rebuilt 2AR-FXE with warranty: £2,145-£3,450 supply only
- • Supply & fit service adds £650-£1,200 labour
- • Hybrid system warranty coverage essential for peace of mind
Question 2
What engine code fits my Toyota Sai?
All Toyota Sai models (AZK10 chassis, 2009-2017) use the sole 2AR-FXE 2.4L Atkinson-cycle petrol hybrid engine with THS II system. Use your VIN or registration to confirm exact variant compatibility.
Key points
- • Sole engine code: 2AR-FXE for all Sai variants
- • Chassis code: AZK10 for all UK grey imports
- • Compatible with Lexus HS 250h ANF10 for parts
- • DVLA registration check confirms exact specification
Question 3
Is a reconditioned Toyota Sai hybrid engine reliable?
Yes, when sourced from a reputable UK hybrid specialist with proper bench testing, hybrid system verification and a comprehensive warranty covering inverter, electric motors and hybrid ECU components.
Key points
- • Rebuilt units include upgraded piston rings addressing oil consumption
- • Inverter coolant pump verified or replaced on all reconditioned units
- • 12-month unlimited mileage warranty essential for hybrid systems
- • More reliable than untested JDM imports with unknown history
Question 4
How long does Toyota Sai hybrid engine replacement take?
Supply-only delivery typically takes 1-3 working days for in-stock 2AR-FXE units. Full supply & fit requires 5-7 working days due to hybrid system calibration and post-install diagnostic procedures.
Key points
- • In-stock rebuilt engines dispatch next working day UK mainland
- • Hybrid-certified installation requires specialist calibration time
- • Techstream diagnostic reset essential post-installation
- • Allow extra time for import documentation verification if required
Question 5
What warranty comes with Toyota Sai replacement hybrid engine?
Rebuilt Toyota Sai engines supplied through EngineMarket include a 12-month unlimited mileage warranty covering the engine block, inverter assembly, MG1/MG2 electric motors and hybrid ECU components.
Key points
- • Warranty explicitly covers hybrid-specific components
- • Unlimited mileage terms protect high-mileage import owners
- • Hybrid system diagnostic support included post-installation
- • Always confirm exact terms with your chosen supplier
Question 6
Can I use a Lexus HS 250h engine in my Toyota Sai?
Yes, the Lexus HS 250h (ANF10 chassis) uses the identical 2AR-FXE hybrid system, making engines fully interchangeable between Sai AZK10 and HS 250h ANF10 with no modification required.
Key points
- • Identical 2AR-FXE engine code and THS II hybrid system
- • Same e-CVT transaxle and inverter assembly specifications
- • Wider parts availability via Lexus hybrid specialist network
- • Confirm ancillary differences (mounts, hoses) before ordering
Question 7
What causes Toyota Sai hybrid engine failure?
Most Toyota Sai hybrid failures stem from inverter coolant pump failure, electric water pump wear, or oil consumption on high-mileage 2AR-FXE units - all addressable with rebuilt engines featuring upgraded components.
Key points
- • Inverter coolant pump failure most common costly fault
- • Electric water pump for inverter cooling fails at 70k+ miles
- • Oil consumption from piston ring wear on high-mileage units
- • Hybrid battery degradation possible beyond 100k miles
Question 8
Should I repair or replace my Toyota Sai hybrid engine?
If repair costs exceed 60% of a rebuilt engine price, or your Sai has over 80k miles, replacement with a rebuilt 2AR-FXE offering upgraded components and warranty protection typically delivers better long-term value.
Key points
- • Minor repairs viable only if caught early before cascade damage
- • Rebuilt engines address multiple wear points simultaneously
- • Warranty protection essential for complex hybrid systems
- • Consider residual value protection when deciding
Question 9
Do you supply Toyota Sai engines nationwide UK?
Yes, EngineMarket's network supplies Toyota Sai 2AR-FXE engines nationwide UK with next-day delivery available on in-stock units to mainland UK, with safe hybrid-packaging and documentation support for grey imports.
Key points
- • Next-day delivery available on in-stock rebuilt units
- • Scotland/Wales may incur small surcharge; NI/Islands quoted separately
- • Hybrid-safe packaging protects sensitive electronics in transit
- • NOVA/IVA documentation support provided for import compliance
Question 10
How do I know which Toyota Sai engine I need?
All Toyota Sai models use the 2AR-FXE 2.4L hybrid engine, but enter your registration on our checker or call our import specialists with your AZK10 chassis code for instant variant matching and compatibility confirmation.
Key points
- • Sole engine option simplifies identification for Sai owners
- • Registration checker confirms exact variant and specification
- • Import specialists assist with JDM documentation verification
- • Cross-reference with Lexus HS 250h if parts sourcing needed
Why Choose Us
Why UK Toyota Sai Owners Trust EngineMarket
Join thousands of UK drivers who compare Toyota Sai engine prices through our network of trusted hybrid specialists - every rebuilt and reconditioned 2AR-FXE unit backed by a 12‑month unlimited mileage warranty and nationwide delivery.
Trusted Toyota Sai Engine Suppliers
Every garage and hybrid rebuilder in our network is vetted, rated, and reviewed by real Toyota Sai grey import owners.
Compare Toyota Sai Engine Replacement Companies
See prices, hybrid warranty terms, and supply & fit options side‑by‑side before you commit to your 2AR-FXE replacement.
UK Engine Replacement Services for Toyota Sai
Covering all Sai AZK10 variants from early imports to late-production models, with supply‑only or full hybrid-certified supply & fit available nationwide.
Find the best Toyota Sai engine replacement near you
Compare engine prices for Toyota Sai in the UK and get competitive quotes from garages near you.
100% FreeNo ObligationFast & secure processUK-based support
Trusted supplier network
Warranty-backed rebuilt & used options
Every quote checked for fitment, quality and lead time.