Opel B20DTH 2.0L Engine

Opel Insignia A B20DTH 2.0L CDTI Engine For Sale

Looking for a reliable Opel Insignia A B20DTH 2.0L CDTI diesel engine for sale? The Opel B20DTH is a modern and efficient turbo diesel powerplant designed to deliver strong performance, impressive fuel economy, and long-term reliability. Featuring a 2.0-litre inline four-cylinder configuration, a 16-valve Double Overhead Camshaft (DOHC) cylinder head, and advanced Common Rail Direct Injection (CDTI) technology, this engine became a popular choice in the Opel Insignia range.

Furthermore, its variable geometry turbocharger helps provide strong torque throughout the rev range, resulting in responsive acceleration and excellent drivability. The engine’s sophisticated management system ensures optimal fuel delivery under varying driving conditions, contributing to lower fuel consumption and improved overall efficiency.

The Opel B20DTH produces approximately 125 kW (170 hp) and 400 Nm of torque, delivering strong pulling power for motorway driving, towing, and everyday commuting. In addition, its proven durability and widespread use across the Insignia range have made it a sought-after replacement engine with excellent parts availability.

Compatible Opel Models

The B20DTH engine was fitted to several Opel and Vauxhall vehicles, including:

• Opel Insignia A 2.0 CDTI
• Opel Insignia A Sports Tourer 2.0 CDTI
• Opel Insignia Country Tourer 2.0 CDTI
• Vauxhall Insignia 2.0 CDTi
• Vauxhall Insignia Sports Tourer 2.0 CDTi
• Selected GM Europe diesel applications

Engine Specifications

• Engine Code: B20DTH
• Displacement: 1,956cc (2.0L)
• Configuration: Inline 4-Cylinder
• Fuel Type: Diesel
• Aspiration: Turbocharged
• Fuel System: Common Rail Direct Injection (CDTI)
• Valvetrain: DOHC, 16 Valves
• Turbocharger: Variable Geometry Turbo (VGT)
• Power Output: Approximately 170 hp (125 kW)
• Torque Output: Approximately 400 Nm
• Cylinder Head Material: Aluminium
• Engine Block Material: Cast Iron
• Cooling System: Water-Cooled
• Emissions Standard: Euro 6

Common Weaknesses & Maintenance Notes

Like many modern Euro 6 diesel engines, the Opel B20DTH requires regular servicing to maintain optimum reliability. Common issues may include EGR valve carbon build-up, diesel particulate filter (DPF) blockage on vehicles used mainly for short trips, AdBlue system faults, and occasional NOx sensor failures. Additionally, turbocharger wear and intake system contamination can occur on higher-mileage engines if maintenance schedules are ignored.

Regular oil and filter changes using manufacturer-approved low-ash diesel oil are essential. Furthermore, periodic inspection of the DPF, EGR system, turbocharger, and AdBlue components can help prevent costly repairs. Long-distance driving at operating temperature also assists with proper DPF regeneration and overall engine health.

When properly maintained, the Opel Insignia A B20DTH 2.0L CDTI diesel engine delivers excellent fuel efficiency, strong performance, and outstanding longevity. Contact us today for stock availability, competitive pricing, and nationwide delivery of quality used Opel B20DTH engines.