Audi A4 B8 A5 8T 1.8 TFSI Bare Engine CDHB 160HP with 99k miles, WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

The power unit was tested before removal and is in full working order.

Listing details

The offer applies to a bare engine.

The engine is sold without accessories (e.g. alternator, starter motor, manifolds, injectors, turbocharger, etc.).

Audi A4 B8 A5 8T 1.8 TFSI Bare Engine CDHB 160HP with 99k miles, WARRANTY is a used, complete block with cylinder head without accessories, designed for professional engine replacement in Audi models equipped with the 1.8 TFSI petrol engine with the CDHB code. This bare engine provides a solid base for transferring existing accessories and rebuilding a functional powertrain without the need to modify the vehicle's construction.

Specifications and technical data

• SKU: 06H100033G
• Mark: Audi
• Condition: Used
• OEM Part Number: 06H100033G
• Substitutable numbers: 06H100033G, 06H 100 033 G, 06H100033GX, 06H 100 033 GX
• Fuel type: Petrol
• Number of cylinders: 4
• Category: Engines
• Engine code: CDHB
• Mileage: 99 000

Technical characteristics of the CDHB 1.8 TFSI engine

The presented engine belongs to the Engines category and is designed for a TFSI petrol unit with a four-cylinder inline construction. The CDHB code indicates a specific engine version used factory-fitted in the Audi A4 B8 and Audi A5 8T, which facilitates selection in terms of compatibility with factory control systems, mounts, and the drivetrain.

The engine as a bare unit includes the essential mechanical part – the block, cylinder head, and internal components – prepared for the transfer of accessories from the previous unit. This solution allows for retaining the vehicle's original equipment (turbo, injectors, manifolds, wiring harnesses) while refreshing a key element of the powertrain.

Application in Audi A4 B8 and A5 8T

The CDHB 1.8 TFSI engine is used in popular mid-size Audi models, where a combination of reasonable power, economy, and refinement is valued. Replacing it with a functional engine allows for restoring full vehicle functionality in situations such as:

• mechanical damage to the existing engine (seizure, cracked block, severe cylinder head damage),
• excessive wear of the unit manifested by a drop in compression and a noticeable decrease in performance,
• the need for a major overhaul, which is less cost-effective than installing a used engine.

Thanks to maintaining the original engine code, it is possible to keep compatibility with the factory ECU software, which reduces the risk of issues with adaptation and diagnostics after installation.

Benefits of choosing a bare engine

Choosing a used CDHB engine for an Audi A4 B8 or A5 8T is a solution that allows for optimizing repair costs while maintaining high functionality. The most important advantages include:

• Ability to use existing accessories – transferring the turbocharger, fuel injection system, manifolds, and electrical components from the previous engine.
• Better control over configuration – preserving the factory solutions applied in the specific vehicle.
• Reduced vehicle downtime – the mechanic focuses on transferring accessories and basic adjustments instead of a full overhaul of the old unit.
• Consistency with original Audi specifications – no need for modifications to mounts or installations if the engine code selection is correct.

Professional selection and installation

To fully utilize the potential of the CDHB 1.8 TFSI engine, installation in a specialized service center is recommended, which will ensure:

• verification of the engine code compatibility with the vehicle documentation,
• inspection of the condition of accessories before transfer (tightness of the oil and cooling systems, condition of the turbocharger and injectors),
• replacement of consumables (oil, filters, coolant) during installation,
• proper bleeding of systems and initial startup with monitoring of operating parameters.

Such an approach minimizes the risk of secondary failures and allows for long-term, stable operation after the powertrain replacement.

Audi engines – expansion and modernization of the powertrain

If you are planning a comprehensive repair or modernization of the engine area in your Audi and need other components from the same group, such as additional bare engines, short blocks, or complete units, check the available parts in the Audi Engines category.

Technical knowledge and choosing a powertrain

When making a decision about replacing an engine, it is worth knowing the typical structural problems of different brands and generations. For comparison, in the premium segment, cases of problematic units are often analyzed, such as in the popular BMW 3 Series E90. If you want to better understand how design specifics affect durability and maintenance costs, read the article Faulty BMW E90 engines: check what can ruin your budget!, which shows what to look out for when choosing and operating modern engines.