Jimmy
“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
Get quotes today from trusted UK Toyota Aqua engine specialists. Compare prices on reconditioned, rebuilt and used engines - supply & fit available nationwide.
-> Rebuilt units from £1,100 · Common codes: 1NZ-FXE, 1NZ-FXE-A, 1NZ-FXE-B, M15A-FXE
-> Rebuilt units from £950 · Common codes: 1KR-FXE, 1KR-FXE-A, 2NR-FXE, 2NR-FXE-A
-> Rebuilt units from £850 · Common codes: 1NZ-FE, 1NZ-FE-A, 1TR-FXE, 1TR-FXE-A
🔒 Secure enquiry - no spam, no pressure. Genuine quotes only from vetted UK Toyota Aqua specialists.
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.
The table below shows typical UK rebuilt engine costs across Toyota Aqua variants - compare failure causes, engine codes, fuel types, and price ranges to benchmark what UK drivers are paying.

Customer Reviews
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Toyota Aqua engines through EngineMarket.
Jimmy
“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
Pete
“Got three quotes within an hour and chose the best deal easily. The whole process was quick, clear and stress-free.”
Sophie
“I wasn't sure what I needed, but they helped me identify the right engine and connected me with a trusted garage.”
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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A full alphabetical listing of every Toyota Aqua 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.
Hybrid Variants
Petrol Variants
Every engine code fitted to the Toyota Aqua 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.
Extracted from electrified powertrains and hybrid engine families used in Toyota Aqua variants.
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 Aqua engine specialists. Every rebuilt engine comes with a minimum 12‑month unlimited mileage warranty.
Every rebuilt engine includes a minimum 12-month unlimited mileage warranty.
Why Toyota Aqua Hybrid Systems Fail
Toyota Aqua G Grade, X-urban, S Grade (2011-2021, 1NZ-FXE & 1NZ-FXE-B)
60,000-90,000 miles
Rubber coolant hoses degrade under hybrid system heat cycles, leading to inverter overheating and warning lights.
| Repair Tier | Dealer Price | Specialist Price | What It Involves | Longevity / Suitability |
|---|---|---|---|---|
Minor - Hose Replacement Minor | £450 - £750 | £280 - £450 | Replace degraded inverter coolant hoses and refill with Toyota Super Long Life Coolant | Preventative only; viable before inverter damage occurs |
Intermediate - Inverter Service Intermediate | £1,200 - £2,100 | £750 - £1,400 | Inverter inspection, seal replacement, coolant flush, pressure test | Extends inverter life if caught early; not a permanent fix |
Full Replacement - Rebuilt Hybrid Engine Best Value | £3,200 - £5,800 | £1,100 - £2,400 | Supply & fit rebuilt 1NZ-FXE with upgraded cooling components, bench tested, 12-month warranty | Permanent solution; addresses root cause with improved parts |
If your Aqua shows inverter warning lights but no overheating damage, a specialist hose replacement at £280-£450 is excellent value. However, if the inverter has overheated, a rebuilt engine with upgraded cooling components offers better long-term reliability and warranty protection.
The Toyota Aqua's hybrid efficiency makes it a popular grey import choice, but when problems arise, knowing your options saves money. EngineMarket connects you with UK specialists who understand Aqua hybrid systems, offering rebuilt engines with upgraded components that address known failure points. Compare prices from vetted suppliers, choose supply-only or full supply & fit, and get back on the road with a minimum 12-month unlimited mileage warranty - all without main dealer premiums.
Compare Toyota Aqua Engine Replacement Prices Now →Toyota Aqua G Grade, X-urban, S Grade (2011-2021, 1NZ-FXE & 1NZ-FXE-B)
60,000-90,000 miles
Rubber coolant hoses degrade under hybrid system heat cycles, leading to inverter overheating and warning lights.
Replace degraded inverter coolant hoses and refill with Toyota Super Long Life Coolant
Inverter inspection, seal replacement, coolant flush, pressure test
Supply & fit rebuilt 1NZ-FXE with upgraded cooling components, bench tested, 12-month warranty
If your Aqua shows inverter warning lights but no overheating damage, a specialist hose replacement at £280-£450 is excellent value. However, if the inverter has overheated, a rebuilt engine with upgraded cooling components offers better long-term reliability and warranty protection.
The Toyota Aqua's hybrid efficiency makes it a popular grey import choice, but when problems arise, knowing your options saves money. EngineMarket connects you with UK specialists who understand Aqua hybrid systems, offering rebuilt engines with upgraded components that address known failure points. Compare prices from vetted suppliers, choose supply-only or full supply & fit, and get back on the road with a minimum 12-month unlimited mileage warranty - all without main dealer premiums.
Compare Toyota Aqua 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 Aqua and engine code. Every engine supplied through EngineMarket carries a minimum 12‑month unlimited mileage warranty - always confirm exact terms with your chosen supplier.
Every Toyota Aqua 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 Aqua within hours.
The 1.0L 1KR-FXE powered entry-level Aqua variants like F Grade and L Grade, offering maximum fuel efficiency for urban driving with compact hybrid synergy.
| Engine Code(s) | 1KR-FXE, 1KR-FXE-A |
| Compatible Models (UK) | F Grade (NHP10, 2013-2016), L Grade |
| Production Years | NHP10, 2013-2016 |
Timing chain guide wear, EGR cooler clogging on short-journey use
Not sure which engine size your Toyota Aqua 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 Aqua specialists.
Fuel Type
All UK Toyota Aqua variants use petrol-electric hybrid powertrains, with the 1.5L 1NZ-FXE dominating replacement enquiries across G Grade and X-urban models.
Not sure which fuel type your Toyota Aqua 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 Aqua specialists.
This section covers all major engine changes across the Toyota Aqua's production timeline, organised so UK grey import owners can quickly identify their engine and compare rebuilt prices from specialists.
Not sure which year your Toyota Aqua 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 Aqua specialists.
FAQ
Question 1
Toyota Aqua hybrid engine replacement typically costs £950-£2,500 for a rebuilt unit supply-only, depending on engine code and variant. Supply & fit service adds £450-£850 labour.
Key points
Question 2
Most UK Toyota Aqua models use the 1NZ-FXE 1.5L hybrid engine. Entry trims may have 1KR-FXE 1.0L, while 2019+ GR Sport uses M15A-FXE Dynamic Force.
Key points
Question 3
While Prius C and Aqua share the 1NZ-FXE engine code, ECU calibration and hybrid system integration differ - direct swaps risk compatibility errors and warning lights.
Key points
Question 4
Supply-only engine delivery typically takes 48 hours nationwide. Full supply & fit installation requires 1-2 days at a certified hybrid specialist garage.
Key points
Question 5
Yes - every rebuilt, reconditioned or remanufactured Toyota Aqua engine supplied through EngineMarket includes a minimum 12-month unlimited mileage warranty covering parts and labour.
Key points
Question 6
Hybrid warnings on Toyota Aqua most commonly stem from inverter coolant leaks, battery cell degradation, or ECU calibration mismatch - not always engine failure.
Key points
Question 7
Used Toyota Aqua engines can be reliable if sourced from verified JDM auctions with compression test reports and service history - but rebuilt units offer better warranty protection.
Key points
Question 8
Engine upgrades on Toyota Aqua are limited due to hybrid system integration - focus on rebuilt units with upgraded components rather than performance modifications.
Key points
Question 9
Your Toyota Aqua engine code appears on the VIN plate under the bonnet, on the engine block near the alternator, and in your DVLA vehicle record via registration lookup.
Key points
Question 10
The 1NZ-FXE-B features revised inverter cooling hoses per Toyota TSB H-19-004, reducing leak risk compared to the earlier 1NZ-FXE-A calibration.
Key points
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