Mitsubishi Toppo 3G83 Engines
from £850 to £2,400
Rebuilt units from £850 · Common codes: 3G83, 3G83T, 4A30, 4A30T
Get quotes from trusted UK Mitsubishi Toppo specialists. Compare used and reconditioned prices for 0.5L to 0.6L - 3G83 covered. Find the best value for your budget.
Mitsubishi Toppo 3G83 Engines
from £850 to £2,400
Rebuilt units from £850 · Common codes: 3G83, 3G83T, 4A30, 4A30T
Mitsubishi Toppo Turbo Engines
from £1,200 to £3,100
Rebuilt units from £1,200 · Common codes: 3G83T, 4A30T, 3G83, 4A30
Mitsubishi Toppo 4A30 DOHC Engines
from £1,100 to £2,900
Rebuilt units from £1,100 · Common codes: 4A30, 4A30T, 3G83, 3G83T

Most replacements completed within 3-5 days.
The table below shows typical UK rebuilt engine costs across Mitsubishi Toppo variants - compare failure causes, engine codes, fuel types, and price ranges to benchmark what UK drivers are paying for this rare grey import kei car.


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Not sure which variant your Mitsubishi Toppo 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 Mitsubishi Toppo 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 detailed petrol and performance engine families across Mitsubishi Toppo variants.

3G83 - 0.7L Petrol
Main replacement demand comes from timing-chain, cooling-system and performance thermal-management faults.
Compatible variants
Avg. rebuilt price
£850 - £2,100
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 Mitsubishi Toppo engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.

The Mitsubishi Toppo's compact 3G83 and 4A30 kei engines deliver efficient urban performance but face unique high-rev wear patterns. Timing belt failures and oil consumption dominate UK replacement enquiries for this grey import niche. Every rebuilt engine supplied through EngineMarket includes upgraded internal components addressing original failure points...
Mitsubishi Toppo Timing Belt Failure
Most affected vehicles
Mitsubishi Toppo BJ, Wide, Joy, Custom (1990-2004, 3G83 & 4A30)
Failure mileage range
60,000-80,000 miles
Typical failure window
Root cause
Kei engines run at higher RPMs; timing belts degrade faster than manufacturer intervals suggest, especially with irregular servicing common in grey imports.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - Preventative Belt Replacement | £450 - £750 | £280 - £450 | Timing belt, tensioner, water pump replacement | 40k-60k miles; only viable before belt snaps |
| Major - Valve Repair After Failure | £1,200 - £2,100 | £750 - £1,400 | Cylinder head removal, valve replacement, machining | Restores function but underlying wear remains |
| Full Replacement - Rebuilt Engine | £2,400 - £3,800 | £850 - £2,100 | Complete rebuilt 3G83/4A30 with upgraded components, bench tested, 12-month warranty | Like-new reliability; best value for high-mileage kei cars |
Our recommendation
On a Mitsubishi Toppo worth £1,500-£4,000, preventative belt replacement makes sense if caught early. Once the belt snaps on these interference engines, replacement with a rebuilt unit is often more economical than major valve repairs.
Compare rebuilt 3G83 engine prices for your Mitsubishi Toppo
Every Mitsubishi Toppo engine type is available through our UK specialist network with typical price ranges based on variant, engine code and budget.
Compare Mitsubishi Toppo 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 Mitsubishi Toppo within hours.

Every displacement fitted to the Mitsubishi Toppo is listed below with compatible engine codes, production years and common failure notes to help you identify the right replacement.
The Mitsubishi Toppo exclusively used 0.657L (pre-1998) and 0.659L (post-1998) petrol engines to comply with Japanese kei car regulations, with the 3G83 SOHC dominating early production and the 4A30 DOHC appearing in later high-spec variants.
Engine Code(s)
3G83, 3G83T, 4A30, 4A30T
Compatible Models (UK)
Toppo BJ (1990-1998), Toppo Wide/Joy/Custom
Power output
Verified by registration
Common Failure Points
Timing belt failure on interference design, oil consumption from high-rev kei use, carbon buildup in urban driving conditions
Production Years: 1998-2004
Compare Mitsubishi Toppo 0.7L petrol engine prices
Choose your Mitsubishi Toppo engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from early BJ 3G83 to the latest Joy Custom 4A30T.
All Mitsubishi Toppo variants used petrol engines exclusively, with 0.657L/0.659L displacement complying with Japanese kei car regulations across 1990-2004 production.
Common Mitsubishi Toppo Petrol Engine Families
Found In
Known For
Typical Petrol Models
All Mitsubishi Toppo variants used petrol engines exclusively, with 0.657L/0.659L displacement complying with Japanese kei car regulations across 1990-2004 production.
Common Mitsubishi Toppo Petrol Engine Families
Found In
Known For
Typical Petrol Models
Not sure which fuel type your Mitsubishi Toppo 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 Mitsubishi Toppo specialists.

This timeline covers all major engine changes across the Mitsubishi Toppo's 1990-2004 production, organised so grey import owners can quickly identify their engine and compare rebuilt prices from UK kei specialists.
⚙Key Changes
▣Main Engines
3G83- 0.657L petrol (Toppo BJ base variants)
3G83T- 0.657L petrol turbo (Toppo BJ Turbo variants)
▰Popular Models
🔧Known For
Engine Codes Covered:
3G833G83T