Compare 166 engine prices. Rebuilt petrol & diesel units for 937 (1998-2010) with 12m warranty from UK suppliers.
Need a reliable replacement engine for your Alfa Romeo 166?
Engine Finders is the UK's #1 marketplace for high-quality Alfa Romeo engines.
Includes updated head gaskets addressing 166's common coolant leaks.
Fully restored with new timing components for 166's 3.2 V6 units.
Restored with upgraded oil pumps addressing 166's V6 oil pressure issues.
Direct swap units with verified compatibility for 166's 936 platform.
Performance-tuned with upgraded cooling systems for 166 V6 engines.
Verified low-mileage units with documented service history for 166.
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned Alfa Romeo 166 replacement engines. From the various petrol and diesel engines found across the 937 series range, whether you're dealing with common wear patterns or seeking performance upgrades, Engine Finders makes it easy to locate the right engine, fast.
Our suppliers understand the 937 chassis family, ensuring the replacement engine matches your specific 166's requirements.
We cover the full range of 166 engines, from the Twin Spark petrol units to the various diesel options, understanding the specific needs of each powertrain.
Our reconditioned engines tackle typical issues like timing component wear and potential oil consumption problems, especially in older Twin Spark units.
Choose from used, reconditioned, or remanufactured engines specifically for the 166, each option vetted for quality and compatibility.
Access a UK-wide network of suppliers experienced with Alfa Romeo 166 engines, ensuring local support and faster delivery.
Benefit from competitive market pricing for 166 engines, often saving significantly compared to main dealer options.
Most replacement engines come with a warranty, providing peace of mind for your 166's engine investment.
Get multiple quotes from suppliers for your 166 engine needs quickly and efficiently through our comparison platform.
Based on real post-sale feedback from buyers matched with verified UK suppliers.
Engine Finders connects UK drivers with specialists for reliable, reconditioned Alfa Romeo 166 replacement engines. Whether battling 3.2 V6 head gasket failures or 2.0 JTS timing issues across the 166 range, we provide direct OEM-spec solutions.
The Alfa Romeo 166 spanned from 1998 to 2007 across two generations, featuring both petrol and diesel powertrains. The early series (936.0) used 2.0L to 3.2L petrol engines with known head gasket issues, while the facelifted 936.1 series (2003-2007) introduced updated cooling systems. All 3.2 V6 engines (AR32487) suffered from coolant leaks due to head gasket failures, while 2.0 JTS units experienced timing chain wear. The 166's complex engine bay layout means proper compatibility is crucial for replacement units.
The 166 utilized several engine families across its production run, with specific codes indicating generation and configuration. These engines share common failure points that affect all 166 variants regardless of trim level.
All 166 engines (936.0/936.1 chassis) require specific mounting configurations and ECU programming. Engine bay packaging is tight, making fitment verification essential before purchase.
For 166 owners, used engines carry high risk due to shared head gasket and timing issues across all V6 variants. Reconditioned units with updated head gaskets and timing components are essential for 3.2L engines, while remanufactured options include comprehensive cooling system upgrades.
All 166 engines undergo compatibility verification to ensure proper fitment within the tight engine bay configuration of the 936 chassis.
Our reconditioned 166 engines include comprehensive upgrades addressing the most common failure points across all variants. Each unit undergoes rigorous testing to ensure reliability.
All engines undergo 2-hour dyno testing simulating real-world loads across 166 power bands, with compression checks meeting Alfa Romeo specifications for the entire series.
All rebuilt engines come with a comprehensive warranty covering manufacturing defects and workmanship. Coverage applies to all 166 engine families with specific exclusions based on known design limitations.
Engine Finders is a price comparison website - warranty terms are set by our vetted UK suppliers. Final coverage varies by engine family and mileage.
When your engine fails, Alfa Romeo 166 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. Engine Strip-Down & Inspection: 166 engines undergo complete disassembly with specific attention to AR32487 head gasket wear patterns. All components measured against Alfa Romeo specifications for 1998-2007 models, checking for the characteristic V6 coolant passages.
2. Block & Head Machining: 166 engine blocks undergo pressure testing and honing to exact tolerances. Cylinder heads checked for warping common in 166 3.2L units, with valve guides and seats replaced using Alfa Romeo-specific specifications for the V6 engine.
3. Cooling System Upgrade: Critical for 166 3.2 V6 engines - head gaskets, coolant pipes, and water pumps replaced with updated components. Specialized tools ensure correct head bolt torque sequence specific to AR32487 engine configuration.
4. Internal Component Installation: New pistons, rings, and bearings installed to Alfa Romeo specifications for 166 engines. Connecting rod alignment checked with precision tools, ensuring proper clearances that prevent the premature bearing failures seen in 166 V6 units.
5. Oil & Fuel System Setup: For 166 V6 engines, oil pumps checked/replaced and oil coolers verified. Fuel systems calibrated to specific AR32487 requirements and intake systems thoroughly tested for proper operation.
6. Final Assembly & Testing: 166 engines assembled using correct torque specifications for 1998-2007 models. Dyno testing confirms power output matches 166 specifications, with leak-down tests verifying compression across all cylinders before delivery.