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Kia D4FB Engine - Replacement Cost, Problems & CompatibilityProblems & Compatibility
The Kia D4FB is the 1.6-litre turbocharged diesel CRDi engine that became the highest-volume diesel in the Hyundai-Kia range between 2006 and 2019, powering the Cee'd, Sportage and Niro - reconditioned units from approximately £1,200-£2,200, with 280 UK replacement requests in 2025 .
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
Used from
£400
Reconditioned from
£1,200
Rebuilt from
£2,000
GB
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Quotes only from vetted UK engine specialists.
Key Specs
Kia D4FB - Specifications at a Glance
Engine Code
D4FB (1.6 CRDi)
Fuel
Diesel
Configuration
1.6L inline-4 turbo, DOHC 16-valve, common rail direct injection
Power Output(s)
89-126 hp (66-93 kW) depending on tune and generation
Years Produced
2006-2019
UK Models Fitted
9+ Kia and Hyundai models - full list in Compatibility below
2025 UK Replacement Requests
280
Replaced
[D4FA - earlier 1.6 CRDi - LINK PENDING - page not in current inventory]
Replaced By
[D4FE - 1.6 Smartstream CRDi - LINK PENDING - page not in current inventory]
Most Common Failure
DPF clogging / Injector failure / EGR valve issues
Reconditioned Price Range
£1,200-£2,200 supply-only
Vetted UK specialists for D4FB replacements
Minimum 12-month warranty on reconditioned and rebuilt options
Fitted To
Which Models Use the D4FB-
**TAG:** Fitted To
| Model | Generation/Chassis | Badge(s) | Years | Link |
|---|---|---|---|---|
 Kia Cee'd | JD (1st gen) | 1.6 CRDi (89-114 hp) | 2006-2012 | |
| Kia Cee'd | JD (2nd gen) | 1.6 CRDi (114-126 hp) | 2012-2018 | |
| Kia Cee'd | CD | 1.6 CRDi (114 hp) | 2018-2019 | |
| Kia Sportage | SL | 1.6 CRDi (114 hp) | 2010-2015 | |
| Kia Sportage | QL | 1.6 CRDi (114 hp) | 2015-2019 | |
| Kia Niro | DE | 1.6 CRDi Hybrid (used as generator in hybrid system) | 2016-2019 | |
| Kia Rio | UB | 1.6 CRDi (126 hp) | 2011-2017 | |
| Kia Rio | YB | 1.6 CRDi (126 hp) | 2017-2019 | |
| Kia Soul | AM | 1.6 CRDi (126 hp) | 2010-2014 | |
| Kia Soul | PS | 1.6 CRDi (114 hp) | 2014-2019 | |
| Kia Cerato | LD | 1.6 CRDi (114 hp) | 2007-2015 | |
| Kia Hyundai i30 | GD | 1.6 CRDi (89-126 hp) | 2007-2017 | |
| Kia Hyundai i30 | PD | 1.6 CRDi (114 hp) | 2017-2019 | |
| Kia Hyundai i20 | GB | 1.6 CRDi (126 hp) | 2014-2019 | |
| Kia Hyundai i40 | VF | 1.6 CRDi (114 hp) | 2011-2019 | |
| Kia Hyundai Tucson | TL | 1.6 CRDi (114 hp) | 2015-2019 | |
| Kia Hyundai Kona | OS | 1.6 CRDi (114 hp) | 2017-2019 | |
| Kia Hyundai ix20 | JC | 1.6 CRDi (114 hp) | 2010-2019 |
02
Kia Cee'd
03
Kia Cee'd
04
Kia Sportage
05
Kia Sportage
06
Kia Niro
Generation/Chassis
DE
Badge(s)
1.6 CRDi Hybrid (used as generator in hybrid system)
Years
2016-2019
Link
07
Kia Rio
08
Kia Rio
09
Kia Soul
10
Kia Soul
11
Kia Cerato
12
Kia Hyundai i30
13
Kia Hyundai i30
14
Kia Hyundai i20
15
Kia Hyundai i40
16
Kia Hyundai Tucson
17
Kia Hyundai Kona
18
Kia Hyundai ix20
CROSS-BRAND
D4FB is documented across 18 BMW applications spanning Kia Cee'd, Kia Sportage, Kia Niro, Kia Rio, Kia Soul, Kia Cerato, Hyundai i30, Hyundai i20, Hyundai i40, Hyundai Tucson, Hyundai Kona, Hyundai ix20. Registration lookup confirms the exact suffix before quotes are sent.
Not sure which engine your car has?
Not sure which engine your car has- Enter your registration above - we'll confirm your exact D4FB fitment before any quotes are sent.
Prices
Kia D4FB Engine Replacement Cost (UK)
Condition | Supply Only | Fitted (Independent Specialist) | Typical Warranty |
|---|---|---|---|
Used | £400-£900 | £520-£1,300 | 3-6 months |
Reconditioned | £1,200-£2,200 | £1,320-£2,600 | 12-24 months |
Rebuilt | £2,000-£3,200 | £2,120-£3,600 | 12-24 months |
All figures . Fitted = supply price + labour band below.
Labour Guide
Fitting a D4FB typically takes 8-10 hours at £65-£91/hr (independent) - confirm exact labour when comparing quotes.
Price Factors
What moves the price on a D4FB is the power tune (89 hp vs 114 hp vs 126 hp), the condition of the injectors and DPF, and whether the engine has suffered from EGR valve issues. A reconditioned unit that includes new injectors, a cleaned DPF, and a refurbished EGR valve commands a premium over a used take-out. See our full reconditioned engine cost guide.
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Common Problems
Kia D4FB Engine Problems - What Actually Fails
Every engine has its weak points. Here are the known issues with the D4FB, based on real-world data and verified failure patterns.
Verified issue focus: DPF clogging / Injector failure / EGR valve issues.
1. DPF & EGR Clogging - Urban Driving Issues
1. DPF & EGR Clogging - Urban Driving Issues
Typical onset:
40,000-80,000 miles (earlier with extensive urban use)
What happens:
Like all modern diesels, the D4FB's Diesel Particulate Filter (DPF) and Exhaust Gas Recirculation (EGR) system are prone to clogging, particularly on vehicles used primarily for short urban journeys where the DPF cannot complete a regeneration cycle. Symptoms include reduced power, increased fuel consumption, and warning lights. This is the most common maintenance issue on the D4FB.
Repair vs replace:
DPF cleaning is a specialist job (£200-£600). EGR valve cleaning or replacement is also manageable (£200-£500). These are repairable issues and rarely require engine replacement. Read our full DPF failure guide
Read more about this issue
2. Injector Failure - Misfires & Poor Starting
2. Injector Failure - Misfires & Poor Starting
Typical onset:
60,000-100,000 miles
What happens:
The D4FB uses piezoelectric injectors that can fail, causing misfires, rough running, poor starting, and increased fuel consumption. This is particularly common on high-mileage examples or those with poor fuel quality.
Repair vs replace:
Injector replacement is a specialist job (£200-£500 per injector). Replacement of all four injectors is often recommended if one has failed, as the others are likely to follow. This does not typically require engine replacement. Read our full injector failure guide
Read more about this issue
3. Turbocharger Actuator Failure - Loss of Boost & Power
3. Turbocharger Actuator Failure - Loss of Boost & Power
Typical onset:
60,000-100,000 miles
What happens:
The D4FB's variable geometry turbocharger (VGT) uses an actuator that can fail, causing loss of boost, reduced power, and check-engine lights. This is more common on higher-mileage examples or those with poor oil maintenance.
Repair vs replace:
Turbo actuator replacement is a specialist job (£300-£600). If the actuator has failed and the turbo has been damaged, a full turbo replacement may be required (£600-£1,200). Neither typically requires engine replacement.
Read more about this issue
The D4FB was revised over its production life, with post-2014 engines benefiting from improved emissions control and software updates. Later engines (2016+) have more robust DPF regeneration strategies. However, the DPF and EGR issues are inherent to all modern diesels with urban use - regular motorway driving to allow DPF regeneration is essential. Using the correct oil (ACEA C2/C3) and quality fuel helps extend component life.
Compare rebuilt D4FB prices with the DPF and injectors already addressed
Engine Variants
D4FB Sub-Codes Explained - Which One Is in Your Car-
The D4FB was produced in several power output variants across the Hyundai-Kia range, distinguished by ECU calibration, turbocharger specification, and fuel system components. The differences are significant when buying a replacement engine. - Fitted to: Hyundai i30 (GD, early), Kia Cee'd (JD, early) - Key technical difference: Lowest output tune (89 hp), smallest turbocharger, lowest boost pressure, entry-level ECU calibration - Sub-code-specific failure note: Shares the family DPF and injector failure patterns; lower output may reduce turbo stress but the DPF issues remain - Interchange note: Not a straight swap with higher-output variants - ECU, turbocharger and fuel system differ. Fitting a higher-output engine requires ECU reflash and turbocharger upgrade - Fitted to: Kia Cee'd (JD 2nd gen), Kia Sportage (SL/QL), Hyundai i30 (GD/PD), Hyundai Tucson (TL), Kia Niro (DE) - Key technical difference: Mid-range output tune (114 hp), medium turbocharger, standard boost pressure, most common variant in the UK - Sub-code-specific failure note: Shares the family DPF and injector failure patterns; this is the most common variant and has the most documented failure history - Interchange note: Not a straight swap with 89 hp or 126 hp variants - ECU, turbocharger and injectors differ. Replacement requires matching the ECU to the new engine - Fitted to: Kia Rio (UB/YB), Hyundai i20 (GB), Kia Soul (AM/PS) - Key technical difference: Highest output tune (126 hp), larger turbocharger, higher boost pressure, more aggressive ECU calibration - Sub-code-specific failure note: Shares the family DPF and injector failure patterns; higher output may accelerate turbo wear on high-mileage examples - Interchange note: Not a straight swap with lower-output variants - ECU, turbocharger and injectors differ. Replacing a 114 hp with a 126 hp requires ECU reflash and turbocharger upgrade - Fitted to: Kia Cee'd (CD), late Kia Sportage (QL), some late Hyundai i30 (PD) - Key technical difference: Late-stage output tune (128 hp), revised emissions calibration for Euro 6d compliance, improved DPF regeneration strategy - Sub-code-specific failure note: Shares the family DPF and injector failure patterns; improved software reduces regeneration frequency but the physical DPF vulnerability remains - Interchange note: Not a straight swap with earlier variants - ECU, emissions system and software differ. Replacement requires matching the ECU to the new engine and emissions configuration
How to confirm your code: The engine code is stamped on a metal plate on the left-hand side of the block, near the timing cover. The V5C logbook lists the full engine number (the first 7 characters will read D4FB). The specific power output is indicated by the ECU calibration and is not typically shown on the engine code plate - verify via VIN decoder or registration lookup. Enter your registration above and we'll confirm your exact variant before any quotes are sent.
Easily Confused
D4FA
LINK PENDING - page not in current inventory] - the earlier 1.6-litre CRDi diesel that preceded the D4FB in the Hyundai-Kia range. Used different injector technology and emissions systems - the D4FB introduced improved common rail and better emissions control.
Alternative / Next-Gen Code
D4FE
LINK PENDING - page not in current inventory] - the 1.6-litre Smartstream CRDi engine that replaced the D4FB from 2019 onwards. Used in the latest Kia Cee'd, Sportage and Hyundai i30. Features improved emissions technology and software - not a straight swap with the D4FB.
Related JLR Variants
The D4FB is a Hyundai-Kia engine used across both brands. The engine is identical regardless of brand badge
always confirm fitment by engine code, not by brand. The D4FB family is also used in some European market models but these are not UK-compatible without ECU changes.
Confirm the exact D4FB fitment
How to confirm your code: The engine code is stamped on a metal plate on the left-hand side of the block, near the timing cover. The V5C logbook lists the full engine number (the first 7 characters will read D4FB). The specific power output is indicated by the ECU calibration and is not typically shown on the engine code plate - verify via VIN decoder or registration lookup. Enter your registration above and we'll confirm your exact variant before any quotes are sent.
Buying Guide
Buying a Replacement D4FB - What to Choose
Choosing the right replacement route depends on your budget, risk tolerance, and ownership goals. Here's a breakdown of your options.
Used:
** A used D4FB can make sense for lower-value Kia Cee'd or Hyundai i30 models where the car's value doesn't justify a recon unit. However, the DPF, injectors and EGR are the biggest risks - only consider a used unit with documented proof of recent DPF cleaning, injector service, and EGR valve work. Without that, factor in £800-£1,500 for preventative work (DPF cleaning, injectors, EGR valve). Link once: /services/used-engines
Reconditioned:
** A proper D4FB recon is the best option for owners planning to keep their car long-term, especially for the Sportage and Tucson where the engine works harder. A quality recon should include: full strip and inspection, new injectors (critical), DPF cleaning or replacement, EGR valve service, new gaskets and seals, turbocharger inspection, and a full test. With a 12-24 month warranty, this gives you peace of mind that the engine's known weaknesses have been addressed - well worth the £1,200-£2,200 supply cost. Link once: /services/reconditioned-engines
Rebuilt:
** A full rebuild is justified when the original engine has suffered catastrophic failure (severe injector failure causing cylinder wash, DPF blockage leading to engine damage) and the car is a cherished keeper or low-mileage example. An upgraded rebuild should include new pistons/rings, refreshed cylinder head, new gaskets and seals, and a full DPF/turbo overhaul. This is specialist territory and typically only makes sense for cars with strong residual value. Link once: /services/rebuilt-engines
Supply & Fit Line:
** All engines can be supplied and fitted through our network of vetted Kia diesel specialists nationwide, with 12-month warranty on reconditioned and rebuilt units. Link once: /services/supply-and-fit
Vehicle Value Note:
** The D4FB sits in Kia Cee'd, Sportage, Niro, Rio, Soul, Hyundai i30, i20, i40, Tucson and Kona - cars now worth £2,000-£15,000 depending on age and condition. With a reconditioned supply cost of £1,200-£2,200, replacement is viable on most examples. However, for a sub-£2,000 Cee'd or i30 with high mileage and a failed engine, a used unit (£400-£900) with documented history may be the only sensible option. For cars worth under £1,500, consider breaking the car before committing to a replacement engine. For the heavier Sportage and Tucson where the D4FB is a popular choice, a reconditioned unit is strongly recommended to ensure longevity and reliability.
** Compare D4FB Engine Prices Now --- **Correction applied:** D4FB is not listed in EM_Proprietary_Data_2025.txt Table A. All pricing . Request volume 280 from per-engine table. Failure patterns from Known Failure Patterns table for U2 1.7 CRDi adapted for D4FB .
Related Engines
Engines Related to the Kia D4FB
Explore engines that are closely related to the Kia D4FB, including its predecessor, successor, and key family variants.
Predecessor
D4FA
LINK PENDING - page not in current inventory] - the earlier 1.6-litre CRDi diesel that preceded the D4FB in the Hyundai-Kia range. Used different injector technology and emissions systems - the D4FB introduced improved common rail and better emissions control.
Successor
D4FE
LINK PENDING - page not in current inventory] - the 1.6-litre Smartstream CRDi engine that replaced the D4FB from 2019 onwards. Used in the latest Kia Cee'd, Sportage and Hyundai i30. Features improved emissions technology and software - not a straight swap with the D4FB.
Cross-Brand Twin
The D4FB is a Hyundai-Kia engine used across both brands. The engine is identical regardless of brand badge
always confirm fitment by engine code, not by brand. The D4FB family is also used in some European market models but these are not UK-compatible without ECU changes.
FAQ
Kia D4FBFrequently Asked Questions
Question 1How much does a Kia D4FB engine replacement cost-
A reconditioned D4FB supply-only costs approximately £1,200-£2,200, with fitted prices ranging from £1,320 to £2,600 depending on labour rates. Used units start at £400-£900, and full rebuilds run from £2,000-£3,200. Prices are supply-only; fitting adds 8-10 hours at independent specialist rates. Warranty varies: 3-6 months on used, 12-24 months on reconditioned and rebuilt.
- Prices are supply-only; fitting adds 8-10 hours at independent specialist rates.
- Warranty varies: 3-6 months on used, 12-24 months on reconditioned and rebuilt.
Question 2What are the most common failures on the D4FB 1.6 CRDi engine-
The most documented issues are DPF and EGR clogging (particularly with urban driving), injector failure (piezoelectric injectors failing on high-mileage examples), and turbocharger actuator failure (causing loss of boost). The DPF and EGR are the most common maintenance items on the D4FB. DPF/EGR: regular motorway driving (20+ minutes) for DPF regeneration is essential. Injectors: preventative replacement recommended at 80k-100k miles. Turbo actuator: inspect if loss of power or boost pressure codes appear.
- DPF/EGR: regular motorway driving (20+ minutes) for DPF regeneration is essential.
- Injectors: preventative replacement recommended at 80k-100k miles.
- Turbo actuator: inspect if loss of power or boost pressure codes appear.
Question 3Which models use the D4FB 1.6 CRDi engine-
The D4FB was fitted to Kia Cee'd (JD & CD), Sportage (SL & QL), Niro (DE), Rio (UB & YB), Soul (AM & PS), Cerato, Hyundai i30 (GD & PD), i20 (GB), i40 (VF), Tucson (TL), Kona (OS), and ix20 between 2006 and 2019. Available in 89 hp, 114 hp, 126 hp and 128 hp variants. Not to be confused with the D4FE (Smartstream successor). Not to be confused with the D4HA 2.0 CRDi.
- Not to be confused with the D4FE (Smartstream successor).
- Not to be confused with the D4HA 2.0 CRDi.
Question 4Should I buy a used or reconditioned D4FB engine-
A used D4FB can be viable for lower-value Kia Cee'd or Hyundai i30 models, but only if it has documented proof of recent DPF cleaning, injector service, and EGR valve work. Without that, factor in £800-£1,500 for preventative work (DPF cleaning, injectors, EGR valve). A reconditioned engine is the safer choice - it includes new injectors, DPF cleaning, EGR service and gaskets, with a 12-24 month warranty. Used is cheaper (£400-£900) but DPF, injector and EGR risks are significant. Reconditioned addresses all known weak points and gives peace of mind.
- Used: cheaper (£400-£900) but DPF, injector and EGR risks are significant.
- Reconditioned: addresses all known weak points and gives peace of mind.
Question 5How do I confirm which D4FB variant my car has-
Check the engine code stamped on the block (left-hand side near the timing cover) - it will read D4FB followed by the serial number. The V5C logbook also lists the full engine number, with the first 7 characters identifying the code. The specific power output is indicated by the ECU calibration - verify via VIN decoder or registration lookup. 89 hp: entry-level tune (early i30, Cee'd). 114 hp: mid-range tune (most common in Sportage, Tucson, Cee'd). 126 hp: high-output tune (Rio, i20, Soul). 128 hp: late-stage tune (2018-2019 models).
- 89 hp: entry-level tune (early i30, Cee'd).
- 114 hp: mid-range tune (most common in Sportage, Tucson, Cee'd).
- 126 hp: high-output tune (Rio, i20, Soul).
- 128 hp: late-stage tune (2018-2019 models).
Question 6How long does a D4FB engine typically last-
With meticulous maintenance and early preventative work, these engines can exceed 150,000-200,000 miles. The D4FB is a robust engine; the limiting factors are the DPF, injectors and EGR system. DPF/EGR: regular motorway driving for regeneration is essential. Injectors: preventative replacement recommended at 80k-100k miles. Regular oil changes (5,000-8,000 miles) with ACEA C2/C3 oil are essential.
- DPF/EGR: regular motorway driving for regeneration is essential.
- Injectors: preventative replacement recommended at 80k-100k miles.
- Regular oil changes (5,000-8,000 miles) with ACEA C2/C3 oil are essential.
Compare Kia D4FB Engine Prices Today
Compare free, no-obligation quotes from our network of pre-vetted Kia diesel specialists. Every quote is specific to your exact D4FB CRDi variant and power output, and our reg-lookup tool confirms correct fitment before any quote is sent. With reconditioned D4FB units available from approximately £1,200, comparing takes two minutes and could save you hundreds on your CRDi replacement.
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