Engines Market

Audi 30 TDI SPECIALISTS

Audi A4 30 TDI Engine Replacement Compare Prices & Get Quotes

Get quotes today from trusted UK Audi A4 30 TDI engine specialists. Compare prices on reconditioned, rebuilt and used engines for your exact registration.

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Audi A4 30 TDI Engine
from£3,800 to £6,000...
  • Usedfrom £1,200
  • Reconditionedfrom £2,800
  • Common codesDEUC, DEZB, DTNB
Audi a4 30 TDI Used Engine — DEUCAudi a4Used Engine — DEUCAudi a4 30 TDI Reconditioned Engine — DEUCAudi a4Reconditioned Engine — DEUCAudi a4 30 TDI Rebuilt Engine — DEUCAudi a4Rebuilt Engine — DEUC

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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 A4 30 TDI Engine History & Specs at a Glance

While the legendary 1.9 TDI established the Audi A4's diesel heritage in earlier generations, the modern "30 TDI" badge specifically denotes the highly efficient 2.0L EA288 diesel introduced in the B9 facelift, offering refined performance and mild-hybrid technology.

Audi A4 30 TDI
  1. 2019

    DEUC, 2.0L TDI, 122hp (B9 facelift introduction, EA288 architecture, front-wheel drive focus)

  2. 2020

    DEZB / DTNB, 2.0L TDI, 136hp (Introduction of 12V mild-hybrid electric vehicle (MHEV) technology for improved efficiency and smoother stop-start)

Every engine fitted to the Audi A4 30 TDI is covered below, with UK rebuilt pricing and known failure points.

Engine Codes & Pricing

Audi A4 30 TDI Engine Codes Specifications & Replacement Cost

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

DEUC — 2.0L Diesel (2019-present) engine

DEUC — 2.0L Diesel (2019-present)

Power Output
122hp
Years Fitted
2019-present

Can’t find your exact engine code?-> Get quotes for DEUC Audi A4 30 TDI engine replacement

-> Get quotes for DEUC Audi A4 30 TDI engine replacement

Common Problems

Audi A4 30 TDI Engine Problems Repair Cost vs Replacement

The Audi A4 30 TDI (EA288 2.0L) is generally regarded as a robust and highly efficient diesel, representing a significant reliability improvement over older VAG diesel units. However, high-mileage examples can develop emissions system faults. Rebuilt engines supplied through EnginesMarket include upgraded components addressing these original failure points, backed by a minimum 12-month unlimited-mileage warranty.

Common failure points and repair options

AdBlue System & DPF Blockage

Affected
Audi A4 30 TDI (DEUC, DEZB, DTNB, 2019-present)
Typical failure mileage
80,000-120,000 miles
Root cause
Frequent short, urban journeys prevent the DPF from reaching optimal regeneration temperatures, while AdBlue crystallisation can trigger NOx sensor faults and limp mode.

Repair options

Repair tierDealer priceSpecialist price
Minor/Preventative£400-£800£250-£500
Full Replacement - rebuilt/reconditioned engine£5,500-£7,500£3,800-£6,000
Our recommendation
If the engine block is healthy, a specialist DPF clean and AdBlue system diagnostic is the most cost-effective first step. However, if the turbo has also failed due to soot contamination, a full reconditioned replacement offers better long-term value.
-> Compare rebuilt DEUC Audi A4 30 TDI engine prices

EGR Cooler Leaks & Coolant Loss

Affected
Audi A4 30 TDI (DEUC, DEZB, DTNB, 2019-present)
Typical failure mileage
70,000-110,000 miles
Root cause
The EGR cooler can develop micro-fractures over time, allowing coolant to mix with exhaust gases, triggering warning lights and potential overheating if ignored.

Repair options

Repair tierDealer priceSpecialist price
Minor/Preventative£600-£1,200£400-£800
Full Replacement - rebuilt/reconditioned engine£5,500-£7,500£3,800-£6,000
Our recommendation
Address coolant loss immediately upon noticing a drop in the expansion tank or a sweet smell from the exhaust. Preventative EGR cooler replacement is inexpensive compared to the labour required to rectify hydrolock damage.
-> Compare rebuilt DEZB Audi A4 30 TDI engine prices

Don't Let Engine Failure Write Off Your Audi A4 30 TDI

Whether you are dealing with persistent AdBlue warnings or EGR issues, replacing the engine with a professionally rebuilt unit ensures the underlying flaws are corrected. With a minimum 12-month unlimited-mileage warranty and nationwide supply & fit options, you avoid the unpredictable costs of main dealer repairs while keeping your Audi A4 30 TDI on the road.

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FAQ

Audi A4 30 TDI Engine ReplacementFrequently Asked Questions

Everything Audi A4 30 TDI owners usually ask before choosing a rebuilt, reconditioned or used replacement engine.

Why Choose Us

Compare Audi A4 30 TDI Engine Prices Today

Don't overpay at the main dealer. Compare free, no-obligation quotes from vetted UK specialists for your exact Audi A4 30 TDI registration. Whether you need a budget used unit or a fully rebuilt engine with a comprehensive warranty, we match you with the right supplier to get you back on the road safely and affordably.

200+200+ Audi A4 30 TDI engines supplied through our network
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