Mitsubishi Town Box Engine ReplacementCompare Prices & Save

The 4A30 1.8L petrol is generally robust but prone to head gasket failure (part MB998539) between 60k-90k miles, a known issue addressed by Mitsubishi service bulletins.

• Head gasket failure is the most common 4A30 issue
• Upgraded gaskets in rebuilt engines prevent repeat failures
• Cooling system maintenance extends engine life significantly
• Rebuilt 4A30 units cost £1,800-£2,200 supply only

Rebuilt Mitsubishi Town engines typically cost £1,600-£2,700 supply only, depending on engine code, with 4G13 at the lower end and 4G63 turbo at the premium end.

• 4G13 1.3L petrol: £1,600-£1,900 rebuilt
• 4A30 1.8L petrol: £1,800-£2,200 rebuilt
• 4D68 2.5L diesel: £2,000-£2,400 rebuilt
• 4G63 2.0L turbo: £2,300-£2,700 rebuilt

UK availability is limited to specialist JDM import suppliers and engine rebuilders who understand H80 chassis compatibility across BJ, Wide Body and Soft Top variants.

• Standard breakers rarely stock Town-specific engines
• JDM import specialists hold 4A30, 4G13 and 4D68 stock
• Rebuilt engines with upgraded components are preferred over used
• EngineMarket connects you with vetted UK Town specialists

Cross-compatibility is limited; engines must match H80 chassis mounting points, ECU wiring and variant-specific ancillaries for BJ, Wide Body or Soft Top models.

• 4A30 engines swap between BJ/Wide Body/Soft Top with minor mods
• Turbo 4G63 requires CZT-specific wiring and intercooler
• Diesel 4D68 needs van-specific mounts and exhaust routing
• Always verify compatibility by registration before ordering

Well-maintained Town engines can reach 100k-120k miles, but known failure patterns like 4A30 head gaskets often require intervention at 60k-90k miles.

• Regular oil changes prevent 4G13 timing chain wear
• Cooling system flushes extend 4A30 head gasket life
• EGR cooler replacement prevents 4D68 diesel overheating
• Rebuilt engines with upgraded components restore like-new longevity

Replace the 4A30 head gasket (MB998539) preventatively at 60k miles or immediately if you observe coolant loss, white smoke or overheating symptoms.

• Mitsubishi service bulletin MB998539 addresses gasket design
• White exhaust smoke indicates coolant entering combustion chamber
• Overheating accelerates gasket failure; address cooling issues first
• Rebuilt engines include upgraded gaskets as standard

Enthusiasts can fit the 4G63 turbo engine to non-CZT Towns, but this requires specialist fabrication, ECU remapping and cooling system upgrades.

• 4G63 turbo swap is complex and costly (£3k+ for parts and labour)
• Cooling system must be upgraded to handle turbo heat
• ECU and wiring harness require CZT-specific modifications
• Rebuilt CZT engines with warranty are safer than DIY swaps

The engine code is stamped on the block near the cylinder head mating surface, visible after removing the air intake on most H80 Town variants.

• 4A30 codes appear on the front passenger side of the block
• 4D68 diesel codes are on the driver side near the injector pump
• Clean the area with degreaser to read stamped characters clearly
• Photograph the code when ordering replacement parts or engines

Reconditioned Town engines supplied through EngineMarket include a minimum 12-month unlimited mileage warranty from UK specialist rebuilders.

• Warranty covers manufacturing defects and component failure
• Labour for warranty claims may require approved fitting centres
• Keep service records to maintain warranty validity
• Confirm exact terms with your chosen supplier before purchase

For Towns valued at £1,500-£4,000, a rebuilt engine at £1,600-£2,700 often represents better value than repeated repairs or purchasing another JDM import.

• Rebuilt engines restore reliability for daily-driven Towns
• Upgraded components address known failure patterns
• 12-month warranty provides peace of mind versus used engines
• Supply & fit options simplify the replacement process