Demio 1.3L Petrol Engines
from £400 to £1,200
Rebuilt units from £400 · Common codes: ZJ-VE, B3E, ZY-VE, B6E
Get quotes from trusted UK Mazda Demio engine specialists. Compare used and reconditioned prices for 1.3L to 1.5L petrol - B3 & ZJ covered. Find the best value for your budget.
Demio 1.3L Petrol Engines
from £400 to £1,200
Rebuilt units from £400 · Common codes: ZJ-VE, B3E, ZY-VE, B6E
Demio 1.5L Petrol Engines
from £450 to £1,350
Rebuilt units from £450 · Common codes: ZY-VE, B6E, ZJ-VE, FX
Demio Legacy B-Series Engines
from £400 to £1,100
Rebuilt units from £400 · Common codes: B3E, B6E, FX

Most replacements completed within 3-5 days.


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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.”












Not sure which variant your Mazda Demio is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.

Every engine code fitted to the Mazda Demio across all UK 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 detailed petrol and performance engine families across Mazda Demio variants.

ZJ-VE - 1.3L Petrol
Main replacement demand comes from timing-chain, cooling-system and performance thermal-management faults.
Compatible variants
Avg. rebuilt price
£400 - £950
Supply only
Technical specifications
Common failures
Not sure which 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 Mazda Demio engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.

The Mazda Demio's ZJ-VE and ZY-VE engines dominate UK replacement enquiries, particularly for timing chain tensioner issues and coil pack failures on high-mileage urban cars. Every rebuilt engine supplied through EngineMarket includes upgraded internal components designed to address the original failure point - plus a minimum 12-month unlimited mileage...
Timing Chain Tensioner Failure
Most affected vehicles
Mazda Demio DE/DJ 1.3 ZJ-VE, 1.5 ZY-VE (2007-present)
Failure mileage range
70,000-100,000 miles
Typical failure window
Root cause
The hydraulic tensioner loses pressure over time, allowing the timing chain to slacken and rattle on cold start - if ignored, chain skip can cause valve damage.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - Tensioner Replacement Only | £450 - £750 | £250 - £450 | Replace hydraulic tensioner, reset chain tension, test run | Viable only if caught early before chain stretch; 20k-40k mile extension |
| Intermediate - Chain Kit Replacement | £850 - £1,400 | £500 - £850 | Replace tensioner, chain, guides and sprockets as preventative kit | Recommended if rattling present; addresses root cause, 60k+ mile reliability |
| Full Replacement - Rebuilt Engine | £1,200 - £2,000 | £400 - £950 | Supply rebuilt ZJ-VE/ZY-VE with upgraded tensioner, bench-tested, warranty included | Best value when repair cost approaches 60% of car value; includes 12-month warranty |
Our recommendation
On a Demio valued under £2,500, a full rebuilt engine at £400-£950 often represents better long-term value than a £500+ chain kit repair, especially if other wear items are due. If the rattling is mild and caught early, the tensioner-only fix may suffice - but get a compression test first.
Compare rebuilt ZJ-VE/ZY-VE engine prices for your Mazda Demio
Every Mazda Demio engine type is available through our UK network with typical price ranges based on variant, engine code and budget - from budget used units to specialist rebuilt options.
Compare Mazda Demio engine prices with vetted UK suppliers
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 Mazda Demio within hours.

Every displacement fitted to the Mazda Demio in the UK is listed below, with compatible engine codes, production years and common failure notes to help you identify the correct replacement.
The 1.3L petrol engine powered most Demio generations in the UK, from the DW/DY B3E units to the DE/DJ ZJ-VE. As the entry-level option, it offers excellent fuel economy for urban use but requires attention to timing chain tensioner health on ZJ-VE units over 70k miles.
Engine Code(s)
ZJ-VE, B3E, FX
Compatible Models (UK)
DW (1998-2002), DY (2002-2007), DE (2007-2014), early DJ
Power output
Verified by registration
Common Failure Points
Timing chain tensioner wear (ZJ-VE), coil pack failure, oil consumption on high-mileage B3E units
Production Years: 2014-2016
Get quotes for Mazda Demio 1.3L petrol engines
Choose your Mazda Demio engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from early DW B3E to the latest DJ ZY-VE.
Petrol engines dominate the UK Demio range across all generations, with Z-family (ZJ-VE, ZY-VE) and B-family (B3E, B6E) units offering economical city driving and straightforward maintenance for budget-conscious owners.
Common Mazda Demio Petrol Engine Families
Found In
Known For
Typical Petrol Models
Petrol engines dominate the UK Demio range across all generations, with Z-family (ZJ-VE, ZY-VE) and B-family (B3E, B6E) units offering economical city driving and straightforward maintenance for budget-conscious owners.
Common Mazda Demio Petrol Engine Families
Found In
Known For
Typical Petrol Models
No factory diesel engines were offered in the Mazda Demio for the UK market - all Demio models sold or imported to the UK use petrol powertrains only.
Important Notes
Not sure which fuel type your Mazda Demio 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 Mazda Demio specialists.

This timeline covers all major engine changes across the Mazda Demio's UK availability, organised so import owners can quickly identify their engine code and compare rebuilt prices from UK specialists.
⚙Key Changes
▣Main Engines
B3E- 1.3L petrol (base variants)
B6E- 1.6L petrol (higher trim variants)
FX- 1.3L low-output variant (some imports)
▰Popular Models
🔧Known For
Engine Codes Covered:
B3EB6EFX