Audi 3.0 TDI / 45-50 TDI Specialists

Audi A8 3.0 TDI / 45-50 TDI Engine Replacement Compare Prices & Get Quotes

Get quotes today from trusted UK Audi A8 3.0 TDI / 45-50 TDI engine specialists. Compare prices on reconditioned, rebuilt and used engines to find the best supply and fit solution for your vehicle.

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Audi A8 3.0 TDI / 45-50 TDI Engine

from£3,500 to £6,500...

Usedfrom £1,500
Reconditionedfrom £3,500
Common codesCCWA, CDYA, CEJA

Audi a8 3.0 TDI / 45-50 TDI Used Engine — CCWA / CDYA

Audi a8Used Engine — CCWA / CDYA

Audi a8 3.0 TDI / 45-50 TDI Reconditioned Engine — CCWA / CDYA

Audi a8Reconditioned Engine — CCWA / CDYA

Audi a8 3.0 TDI / 45-50 TDI Rebuilt Engine — CCWA / CDYA

Audi a8Rebuilt Engine — CCWA / CDYA

Instant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide NetworkInstant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide NetworkInstant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide NetworkInstant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide Network

How it works

3 Simple Steps to Finding the Right Replacement Engine

Clear information first, then the right engine and specialist for your exact vehicle.

Variant History

Audi A8 3.0 TDI / 45-50 TDI Engine History & Specs at a Glance

Launched as the core diesel powertrain for the flagship A8 range, the 3.0 TDI (later badged 45 TDI and 50 TDI) signifies a refined V6 diesel, evolving from the D4 generation's conventional setup to the D5 generation's mild-hybrid efficiency.

2010
CCWA / CDYA, 3.0L TDI, 204-258hp. Introduced with the D4 generation, establishing the 3.0 TDI as the dominant executive diesel choice with robust common-rail injection.
2014
CEJA / CGQB / CHVA / CWUB, 3.0L TDI, 258-286hp. Mid-cycle D4 updates brought increased power outputs, refined emissions systems, and improved thermal efficiency.
2018
DAZA, 3.0L TDI Mild Hybrid (50 TDI), 286hp. Launched with the D5 generation, featuring a 48V mild-hybrid belt starter generator (BSG) for smoother stop-start operation and enhanced fuel economy.

Every engine fitted to the Audi A8 3.0 TDI / 45-50 TDI is covered below, with UK rebuilt pricing and known failure points.

Engine Codes & Pricing

Audi A8 3.0 TDI / 45-50 TDI Engine Codes Specifications & Replacement Cost

Find your exact engine code, specs and UK replacement cost guide.

CCWA / CDYA — 3.0L Diesel (2010-2014)

Power Output: 204-258hp
Years Fitted: 2010-2014

Can’t find your exact engine code?-> Get quotes for CCWA Audi A8 3.0 TDI / 45-50 TDI engine replacement

-> Get quotes for CCWA Audi A8 3.0 TDI / 45-50 TDI engine replacement

Common failure points and repair options

Timing Chain Tensioner Wear & Turbo Fatigue

Affected: Audi A8 3.0 TDI / 45-50 TDI (CCWA, CDYA, 2010-2014)
Typical failure mileage: 80k-120k miles

Root cause

Early 3.0 TDI V6 units can experience timing chain stretch or tensioner wear, while high-mileage turbos suffer from actuator wear and oil starvation if maintenance intervals are extended.

Repair options

Repair tier	Dealer price	Specialist price
Minor/Preventative	£800-£1,500	£500-£900
Full Replacement - rebuilt/reconditioned engine	£7,500-£11,000	£5,000-£7,500

Our recommendation

For isolated turbo or tensioner faults on a well-maintained Audi A8 3.0 TDI / 45-50 TDI, targeted component repair is the most cost-effective route. However, if the vehicle has exceeded 120k miles and exhibits concurrent timing chain rattle or oil consumption, a reconditioned engine replacement offers superior long-term value and peace of mind.

-> Compare rebuilt CCWA Audi A8 3.0 TDI / 45-50 TDI engine prices

EGR Cooler Leaks & DPF Clogging

Affected: Audi A8 3.0 TDI / 45-50 TDI (DAZA, CGQB, CHVA, CWUB, 2014-present)
Typical failure mileage: 100k-150k miles

Root cause

The EGR cooler is susceptible to internal micro-cracks, while frequent short urban journeys prevent the DPF from completing active regeneration, leading to ash buildup and increased backpressure.

Repair options

Repair tier	Dealer price	Specialist price
Component Repair (EGR/DPF)	£1,200-£2,200	£600-£1,200
Full Replacement - rebuilt/reconditioned engine	£8,000-£12,000	£5,500-£8,500

Our recommendation

Preventative motorway driving is the best defence against DPF issues. If the engine has not overheated, a standalone EGR cooler replacement is the most logical and cost-effective repair. If coolant loss has led to overheating, a full replacement is the only reliable solution to prevent recurring issues.

-> Compare rebuilt DAZA Audi A8 3.0 TDI / 45-50 TDI engine prices

Don't Let Engine Failure Write Off Your Audi A8 3.0 TDI / 45-50 TDI

Navigating diesel engine repairs can be complex, but you don't have to accept main dealer premiums. By comparing quotes through EnginesMarket, you gain access to vetted UK specialists who provide rebuilt Audi A8 3.0 TDI / 45-50 TDI engines with upgraded components, comprehensive 12-month unlimited-mileage warranties, and nationwide supply & fit options.

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FAQ

Audi A8 3.0 TDI / 45-50 TDI Engine ReplacementFrequently Asked Questions

Everything Audi A8 3.0 TDI / 45-50 TDI owners usually ask before choosing a rebuilt, reconditioned or used replacement engine.

The cost to replace an Audi A8 3.0 TDI / 45-50 TDI engine typically ranges from £1,500 for a used unit to £3,500-£6,500 for a fully rebuilt engine (supply-only).

Used engines are the most budget-friendly but carry higher risk.
Reconditioned engines offer a balance of cost and reliability.
Rebuilt engines provide the highest reliability with upgraded components.

-> Compare Audi A8 3.0 TDI / 45-50 TDI engine prices today

Owners of the Audi A8 3.0 TDI / 45-50 TDI should watch for persistent engine management lights, excessive black smoke from the exhaust, and a noticeable loss of power or limp mode.

Unusual rattling sounds from the engine bay on cold starts (timing chain).
Frequent AdBlue or DPF warning messages that do not clear after regeneration.
Unexplained coolant loss, which may indicate an EGR cooler leak.

-> Get a diagnostic quote for your Audi A8 3.0 TDI / 45-50 TDI

Yes, for most owners, it is financially viable. The Audi A8 3.0 TDI / 45-50 TDI retains strong residual values, typically ranging from £6,000 to £45,000 depending on the generation and condition.

A rebuilt engine is a sensible investment for a D5 (2018+) model.
For older D4 (2010-2018) models, a high-quality reconditioned unit offers excellent value if you plan to keep the car for 2+ years.
Always compare the replacement cost against the vehicle's current market value before proceeding.

-> Check if your Audi A8 3.0 TDI / 45-50 TDI is worth repairing

A professional supply and fit engine replacement for an Audi A8 3.0 TDI / 45-50 TDI typically takes 3 to 5 working days due to the complexity of the V6 layout and electronics.

Day 1: Vehicle intake, draining of fluids, and careful removal of the faulty engine.
Day 2-3: Installation of the replacement engine, reconnection of the Quattro drivetrain, and refilling of fluids.
Day 4-5: ECU coding, software updates, and comprehensive road testing to ensure all systems are functioning correctly.

-> Book your Audi A8 3.0 TDI / 45-50 TDI supply & fit service

No, you must ensure the replacement engine matches your specific engine code (e.g., CCWA, CDYA, or DAZA) and is configured for your drivetrain (Quattro).

Non-Quattro engines lack the necessary rear differential drive components and mounting points.
Using an incorrect engine code can result in ECU incompatibility, DPF/AdBlue system errors, and failed MOT emissions tests.
Entering your registration on EnginesMarket guarantees the quote is matched to your exact DVLA-registered engine specification.

-> Confirm your exact Audi A8 3.0 TDI / 45-50 TDI engine code now

Why Choose Us

Compare Audi A8 3.0 TDI / 45-50 TDI Engine Prices Today

Don't overpay at the main dealer. Comparing quotes through EnginesMarket is 100% free and carries no obligation. We connect you directly with vetted, specialist workshops across the UK who understand the unique requirements of the Audi A8 3.0 TDI / 45-50 TDI, ensuring you get the right engine code, fair pricing, and peace of mind.

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