Rebuilt Mitsubishi Diamant Engine for Sale - Save Up to 60% with 12m Warranty
Compare Diamant engine prices. Rebuilt 4G63/6G72 & 4B11/4B12 units for all generations with 12m warranty from UK suppliers.
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Mitsubishi Diamant Specialists
Expert Solutions for Every Diamant - 1.8L Petrol to 2.0L Turbo
Need a reliable replacement engine for your Mitsubishi Diamant?
Engine Finders specializes in Diamant engines with solutions for common failure patterns across all variants.
- ✔ Full Diamant Engine Range - 1.8L/2.0L petrol & turbo units across all generations
- ✔ Series-Wide Calibration - Correct ECU mapping for every Diamant chassis
- ✔ Diamant Pricing Advantage - Save significantly vs dealer on common engine repairs
Mitsubishi Diamant Replacement Engines Options - Verified Units (UK Supply)
All engines bench-tested, VAT-inclusive, with 12-month warranty. MoT-compliant. Nationwide delivery. Direct OEM fitment for C51/C52.
High-performance rebuilds addressing common Diamant head gasket issues.
Fully stripped and rebuilt to factory specs with updated components.
Thoroughly inspected and restored to working condition with Diamant-specific parts.
Direct swap engines for minimal downtime and perfect fitment.
Cleaned, tested, and performance-tuned units with Diamant-specific calibration.
Affordable options with verified mileage and history for Diamant models.
Mitsubishi Diamant Compatible Engine Codes & Average Prices on Rebuilt Units
All engines professionally reconditioned, bench-tested, and supplied with 12-month warranty. Direct OEM fitment. VAT-inclusive. Nationwide UK delivery.
Why Choose Engine Finders for Your Mitsubishi Diamant Engine?
Engine Finders connects UK drivers with vetted specialists for reliable, reconditionished Mitsubishi Diamant replacement engines. From the 4G63 and 6G72 engine families to the later 4B11 and 4B12 units found across the Diamant range, we provide comprehensive coverage for all powertrain variants. Whether you're battling 4G63 timing belt failures across early Diamant models or 4B12 oil pump issues in later petrol variants, Engine Finders makes it easy to locate the right engine, fast.
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✔ Diamant-Wide 4G63 Timing Belt Resolution: We upgrade tensioner (OEM MB024843) and rails across all Diamant variants using Mitsubishi Service Bulletin compliance for enhanced durability.
Our specialists address the 4G63 timing belt failure pattern common across early Diamant models, utilizing OEM MB024843 tensioners and reinforced guide rails to prevent catastrophic engine damage that affects all 4G63-equipped variants.
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✔ 6G72 V6 Oil Pump Reinforcement: Critical component (OEM MB385018) upgrades prevent low oil pressure failures affecting all Diamant V6 variants.
The 6G72 V6 oil pumps (part MB385018) in Diamant V6 models suffer from premature wear after 80k miles across all variants. Our rebuilds include reinforced pump assemblies and improved pressure regulation for long-term reliability.
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✔ 4B11/4B12 Turbocharger System Overhaul: Addressing boost leaks (OEM MR479289) affecting all Diamant turbo variants.
The 4B11 and 4B12 turbo systems share identical wastegate and intercooler configurations (part MR479289), leading to boost pressure issues across all turbo Diamant models. We provide complete turbo system rebuilds with upgraded components.
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✔ Diamant 4G63 Head Gasket Solutions: Preventing coolant mixing (OEM MB942311) in all 4G63-equipped variants.
The 4G63 head gasket failure pattern (affecting part MB942311) occurs consistently across early Diamant models due to shared block design and cooling system configuration. Our reconditioned engines include upgraded head gaskets and improved cooling management.
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✔ 4B12 Oil Pump Chain Upgrade: Resolving timing chain tensioner (OEM MB385228) issues across all 4B12 petrol variants.
The 4B12 oil pump chains and tensioners (part MB385228) in later Diamant models suffer from premature stretching across all variants. Our specialists install upgraded chain assemblies with reinforced guides for extended service life.
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✔ Diamant EGR System Restoration: Cleaning and replacement (OEM MD976448) for all engine families.
EGR carbon buildup affects all Diamant engine families differently but consistently. From 4G63 EGR valves (part MD976448) to 4B12 EGR coolers, our specialists provide comprehensive EGR system restoration across all variants.
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✔ Cooling System Overhaul: Addressing water pump (OEM MB224169) and thermostat issues across all Diamant variants.
Cooling system failures impact all Diamant engine families due to shared design elements. Our water pumps (part MB224169) and thermostat upgrades prevent overheating issues that commonly affect both 4G63 and 4B1x variants.
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✔ Fuel System Enhancement: Upgrading fuel pumps (OEM MD628309) and injectors for all Diamant powertrains.
Fuel system components face similar stress across all Diamant variants, with fuel pumps (part MD628309) and injectors requiring identical upgrade patterns. Our specialists ensure proper fuel delivery for all engine families with enhanced components.
Rated 4.6 out of 5 by 578 satisfied customers who choose reconditioned and used Mitsubishi engines through Engine Finders.
Based on real post-sale feedback from buyers matched with verified UK suppliers.
Mitsubishi Diamant Engines for Sale | Engine Finders
Engine Finders connects UK drivers with specialists for reliable, reconditioned Mitsubishi Diamant replacement engines. Whether battling 4G63 timing belt failures across early Diamant models or 4B12 oil pump issues in later petrol variants, we provide direct OEM-spec solutions.
Mitsubishi Diamant Replacement Engines
The Mitsubishi Diamant evolved through multiple generations with distinct engine families: early models featured 4G63 and 6G72 powertrains, while later variants adopted 4B11 and 4B12 engines. All 4G63 engines suffered timing belt tensioner failures addressed in Mitsubishi Service Bulletins, while 4B12 petrol units share identical oil pump chain weaknesses regardless of trim level. The 6G72 V6 engines across all Diamant models faced similar oil pressure issues due to shared pump design, requiring comprehensive upgrades for long-term reliability.
Mitsubishi Diamant Models & Engines Codes
The Diamant series encompasses multiple engine families spanning various production years, each with specific failure patterns and component requirements that affect all variants within each family.
- 4G63: 2.0L petrol (early Diamant models) - Timing belt tensioner (MB024843) failure across all variants
- 6G72: 3.0L V6 (Diamant V6 models) - Oil pump (MB385018) issues affecting all V6 variants
- 4B11: 2.0L turbo petrol (later Diamant) - Turbocharger (MR479289) boost problems in all turbo models
- 4B12: 2.0L petrol (late Diamant) - Oil pump chain (MB385228) failures across all petrol variants
- 4G64: 2.4L petrol (mid-generation Diamant) - Head gasket (MB942311) issues in all 4G64-equipped models
All Diamant engine families share common EGR system vulnerabilities (MD976448) and cooling system components (MB224169), making comprehensive rebuilds essential for long-term reliability across all variants.
Buy Used and Second-Hand Mitsubishi Diamant Engines
For Diamant owners: Used engines carry high risk due to shared 4G63/4B12 failure patterns. Reconditioned units with updated timing components (MB024843) are essential for early models. Remanufactured 4B11/4B12 engines with oil pump upgrades (MB385228) are recommended for later variants regardless of trim level.
- Used engines: High risk due to shared timing and oil system failures across all Diamant variants
- Reconditioned engines: Updated components for known failure points in each engine family
- Remanufactured engines: Complete rebuilds with upgraded parts for long-term reliability
- Exchange engines: Core units with factory-level specifications and warranty coverage
Our quality assurance ensures all Diamant engines meet Mitsubishi specifications with upgraded components addressing series-wide failure patterns, providing superior reliability compared to standard used units.
Mitsubishi Diamant Engines in Stock
Our reconditioned Diamant engines include comprehensive component upgrades: New timing belts and tensioners (4G63), upgraded oil pumps (6G72), turbocharger systems (4B11), and oil pump chains (4B12). Each unit receives complete head gasket service, valve adjustments, and cooling system components.
- Complete timing system upgrades with reinforced components
- Upgraded oil pumps and pump chains for enhanced durability
- New head gaskets and valve train components
- Comprehensive EGR system cleaning and upgrades
- Cooling system overhaul with upgraded water pumps
- Fuel system components and injector service
- Complete engine dyno testing across all power bands
All Diamant engines undergo 3-hour dyno tests simulating real-world loads across all variants, with compression checks meeting Mitsubishi service standards for the entire series, ensuring optimal performance and reliability.
Warranty for Replacement Mitsubishi Diamant Engines
All reconditioned Diamant engines come with comprehensive warranty coverage designed to protect against series-wide failure patterns while ensuring reliable performance across all variants.
- 12-month warranty on all rebuilt engines covering internal components
- Timing belt and chain systems covered with upgraded parts
- Oil pump and related components warranty coverage
- Head gasket and cylinder head repairs included
- Cooling system components warranty for all Diamant variants
- Exclusions: Normal wear items and pre-existing damage
Engine Finders is a price comparison website - warranty terms are set by our vetted UK suppliers. Final coverage varies by engine family and mileage. Diamant timing chain components may be excluded in high-mileage units due to design limitations.
Expert Tips for Choosing the Right Engine for Your Mitsubishi Diamant
♻️ Mitsubishi Diamant Engine Types Explained
- Rebuilt engines for 4G93 feature updated head gaskets addressing Diamant-specific failures
- Remanufactured 4G63 units include upgraded timing components for C51/C52 chassis
- Used engines from Diamant 1.8L variants offer budget solutions with verified history
- Refurbished 4D68 diesels include updated EGR systems for turbocharged models
£ Mitsubishi Diamant Replacement Engine Cost in the UK
- 4G93 1.8L petrol engines cost £1,800-£2,200 for rebuilt units in Diamant models
- 4G63 2.0L engines range £2,100-£2,500 due to timing chain complexity in C52
- 4D68 diesel units £2,800-£3,200 include turbocharger and injection system work
- Save up to £1,500 vs dealer prices for equivalent Diamant engine replacements
🔍 Finding the Right Mitsubishi Diamant Engine
- Check VIN to confirm 4G93/4G63/4D68 engine codes specific to C51/C52 chassis
- Verify production years 1996-2002 match your Diamant model specifications
- Confirm engine bay fitment with correct mounts and wiring harnesses
- Request Diamant-specific ECU calibration for proper engine management
⛽ Mitsubishi Diamant Petrol vs Diesel Engines
- Petrol 4G93/4G63 engines offer better reliability but higher fuel consumption
- Diesel 4D68 provides superior economy but complex injection system repairs
- Diesel variants face ULEZ compliance issues in urban areas from 2025
- Petrol engines suit short urban journeys, diesel better for long distances
🔒 Quality Assurance & Warranty
- All Diamant engines tested on dyno with 4G series-specific performance parameters
- Head gaskets replaced using Mitsubishi-specific torque sequences for C5x chassis
- 12-month warranty covers head gasket and timing chain failures in Diamant
- Quality certified with updated components addressing known 4G series issues
🛒 Compare & Save on Mitsubishi Diamant Engines
- Compare rebuilt 4G93 engines with updated gaskets vs cheaper used alternatives
- Choose remanufactured 4G63 for complete component replacement in C52 models
- Consider diesel 4D68 EGR upgrades to prevent future costly repairs
- Bundle installation with Diamant-specific parts to maximize savings
⚙️ Mitsubishi Diamant Engine Works: How Experts Rebuild Engines
When your engine fails, Mitsubishi Diamant engine works can restore performance at a fraction of the cost of a brand-new engine. From diagnostics to rebuild, here's how experts ensure optimal results.
1. Complete Strip-Down & Inspection: Dismantle the Diamant engine completely, inspecting each component for wear specific to 4G series engines. Check cylinder bore wear patterns, measure crankshaft clearances, and assess head warping. Document all measurements against Mitsubishi specifications for C51/C52 chassis to identify failure causes.
3. Machining & Boring: Machine cylinder bores to precise tolerances using Mitsubishi-specific specifications for 4G series engines. Resurface cylinder heads on precision equipment to ensure perfect flatness. Bore cylinders to exact measurements to accommodate new pistons with correct clearances for Diamant applications.
5. Quality Testing & Validation: Test the rebuilt Diamant engine on dynamometer to verify power output matches 4G series specifications. Conduct leak-down tests, oil pressure checks, and timing verification. Validate all systems function correctly before packaging for C51/C52 chassis installation with proper break-in procedures.
2. Component Replacement: Replace all worn components with Mitsubishi OEM parts specific to Diamant engines. Install new pistons, rings, bearings, gaskets, and seals. Update timing chains, tensioners, and guides with latest Mitsubishi revisions addressing known issues in 4G93/4G63 engines for C51/C52 applications.
4. Precision Assembly: Assemble the Diamant engine using Mitsubishi torque specifications and sequence patterns for 4G series engines. Apply correct lubricants to all components and ensure proper clearances. Install updated components addressing known failure points in C51/C52 chassis with proper timing alignment.
6. Final Quality Assurance: Conduct comprehensive inspection of all torque settings, component installations, and system connections. Verify engine appearance, mounting points, and accessory compatibility for C51/C52 chassis. Package with installation guidelines specific to Diamant models and include quality certification documentation.