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Suzuki K14B Engine - Replacement Cost, Problems & CompatibilityProblems & Compatibility
The 1.4-litre VVT petrol engine fitted to Suzuki Swift and SX4 models from 2005-2015 - a naturally aspirated, all-aluminium unit from Suzuki's K-series family. Reconditioned units from approximately £800-£1,500 .
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
Used from
£300
Reconditioned from
£800
Rebuilt from
£1,500
GB
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Quotes only from vetted UK engine specialists.
Key Specs
Suzuki K14B - Specifications at a Glance
Engine Code
K14B
Fuel
Petrol
Configuration
1.4L inline-4, naturally aspirated, 16v DOHC with VVT
Power Output(s)
92-95 hp (68-70 kW) depending on model and market tune
Torque
130 Nm @ 4,000 rpm
Years Produced
2005-2015 (European market)
UK Models Fitted
Swift (I/II), SX4 - full list in Compatibility below
2025 UK Replacement Requests
Replaced
K12M - the 1.2-litre predecessor
Replaced By
K14C - the 1.4 Boosterjet turbo that replaced it from 2015
Most Common Failure
Coil pack failure, VVT solenoid issues
Reconditioned Price Range
£800-£1,500 supply-only
Vetted UK specialists for K14B replacements
Minimum 12-month warranty on reconditioned and rebuilt options
Fitted To
Which Suzuki Models Use the K14B-
| Model | Generation/Chassis | Badge(s) | Years | Link |
|---|---|---|---|---|
 Suzuki Swift | I (HT/ZC) | 1.4 VVT, 1.4 GLX | 2005-2010 | |
| Suzuki Swift | II (MZ/NZ) | 1.4 VVT | 2010-2015 | |
| Suzuki SX4 | First generation | 1.4 VVT | 2006-2014 | |
| Suzuki Grand Vitara | II (JT) | 1.4 VVT (UK) | 2005-2012 | |
| Suzuki Wagon R+ | II (MA63) | 1.4 VVT | 2003-2008 | |
| Suzuki Ignis | II (MH) | 1.4 VVT | 2004-2008 | |
| Suzuki Splash | (EX) | 1.4 VVT | 2008-2014 |
02
Suzuki Swift
03
Suzuki SX4
04
Suzuki Grand Vitara
05
Suzuki Wagon R+
06
Suzuki Ignis
07
Suzuki Splash
CROSS-BRAND
K14B is documented across 7 BMW applications spanning Suzuki Swift, Suzuki SX4, Suzuki Grand Vitara, Suzuki Wagon R+, Suzuki Ignis, Suzuki Splash. 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 K14B fitment before any quotes are sent.
Prices
Suzuki K14B Engine Replacement Cost (UK)
Condition | Supply Only | Fitted (Independent Specialist) | Typical Warranty |
|---|---|---|---|
Used | £300-£700 | £690-£1,120 | 3-6 months |
Reconditioned | £800-£1,500 | £1,190-£1,920 | 12-24 months |
Rebuilt | £1,500-£2,500 | £1,890-£2,920 | 12-24 months |
The K14B is a simple, non-turbo petrol engine - replacement is relatively inexpensive. Coil pack and VVT solenoid condition are the main price drivers; a unit with documented recent replacements will command a premium. The engine is widely available from Suzuki breakers, and parts commonality with the K12M and K15B ensures good supply. See our full reconditioned engine cost guide for detailed breakdowns.
Labour Guide
Fitting a K14B typically takes 6-8 hours at £65-£75/hr (independent) - confirm exact labour when comparing quotes.
Price Factors
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Common Problems
Suzuki K14B Engine Problems - What Actually Fails
Every engine has its weak points. Here are the known issues with the K14B, based on real-world data and verified failure patterns.
Verified issue focus: Coil pack failure, VVT solenoid issues.
1. Coil Pack Failure - 40,000-80,000 miles
1. Coil Pack Failure - 40,000-80,000 miles
Typical onset:
40,000-80,000 miles
What happens:
The K14B's ignition coil packs are a known weak point. They fail due to heat cycling and age, causing misfires, rough running, and the engine management light illuminating. Symptoms include hesitation under acceleration and reduced fuel economy. This is the most common K14B issue.
Repair vs replace:
Coil pack replacement is straightforward and costs £100-£250 for a set (four coils). Replacing all four at once is recommended, as they tend to fail sequentially. Read our full ignition system failure guide.
Read more about this issue
2. VVT Solenoid / Oil Control Valve Issues - 60,000-100,000 miles
2. VVT Solenoid / Oil Control Valve Issues - 60,000-100,000 miles
Typical onset:
60,000-100,000 miles
What happens:
The K14B's variable valve timing (VVT) system uses an oil control valve (OCV) that can become clogged with sludge or suffer from electrical failure. Symptoms include poor low-end response, rough idle, and engine management light with VVT-related error codes. This is often caused by infrequent oil changes or incorrect oil viscosity.
Repair vs replace:
The VVT solenoid can be cleaned or replaced - cost typically £100-£300. A full timing chain inspection is recommended if the VVT system has been compromised by oil contamination.
Read more about this issue
3. Timing Chain Wear - 80,000-120,000 miles
3. Timing Chain Wear - 80,000-120,000 miles
Typical onset:
80,000-120,000 miles
What happens:
The K14B uses a maintenance-free timing chain. While generally reliable, chain wear can occur in engines with poor oil maintenance or high mileage. Symptoms include a rattling noise on cold start, which disappears as oil pressure builds. If ignored, the chain can skip or snap - catastrophic for the engine.
Repair vs replace:
If caught early, chain and tensioner replacement costs £600-£1,200. If the chain has skipped or snapped, full engine replacement is the only option.
Read more about this issue
Post-2010 K14B units received revised coil pack design and updated VVT calibration. Timing chain wear appears less common on later units with regular oil changes.
[Compare rebuilt K14B prices with common failures addressed](/compare)
Engine Variants
How to Confirm You Have the Suzuki K14B
The K14B is part of Suzuki's K-series engine family, sharing its basic architecture with the K12M (1.2L), K14C (1.4L turbo), and K15B (1.5L). It was produced in two main output variants - 92 hp (European market) and 95 hp (some export markets) - but the block and internals are identical. Where to find your engine code: The engine code is stamped on a metal plate on the cylinder block, visible from the top of the engine bay. The engine number on the V5C starts with K14B followed by seven digits. Alternatively, check the vehicle identification plate or use the registration lookup above. Commonly confused codes: - K14C - The 1.4-litre Boosterjet turbo that replaced the K14B. It's a completely different engine family - turbocharged, direct-injection, with different mounting points and electrical architecture. Not a direct swap. - K12M - The 1.2-litre Dualjet, found in Swift, Baleno, and other Suzuki models. It has the same basic architecture but smaller displacement - physically similar but different block and ECU. - K15B - The 1.5-litre Dualjet, found in later Vitara and S-Cross models. Similar block architecture but larger displacement and different ECU calibration. Why getting the right code matters: The K14B is a simple, naturally aspirated engine - it's not directly swappable with the K14C Boosterjet (turbo, different cooling and exhaust routing) or the K12M (different displacement). Always match the engine code exactly when buying a replacement.
Not sure which variant you have- Enter your registration above - we'll confirm your exact K14B fitment before any quotes are sent.
Easily Confused
K12M
: The K12M was the 1.2-litre DualJet predecessor, fitted to earlier Swift and Baleno models. It shares the same K-series architecture but with smaller displacement and lower power output (90 hp vs 95 hp). The K12M is simpler, lacking some of the K14B's VVT refinement, but is generally more fuel-efficient.
Alternative / Next-Gen Code
K14C
: The K14C Boosterjet turbo completely replaced the naturally aspirated K14B from 2015. It's a fundamentally different engine - turbocharged, direct-injection, with 140 hp and significantly more torque. The K14C resolved many of the K14B's VVT and coil pack issues but introduced its own set of turbo-related complexities. If you're considering swapping a K14B for a K14C, the engine mounts, exhaust, cooling system, and ECU are all different - not a straightforward replacement.
Related JLR Variants
None: The K14B is a Suzuki
developed engine and was not shared with other manufacturers. However, it's used across various Suzuki global models including the Ertiga and APV in Asian markets, all of which are not sold in the UK.
Confirm the exact K14B fitment
Not sure which variant you have- Enter your registration above - we'll confirm your exact K14B fitment before any quotes are sent.
Buying Guide
Buying a Replacement Suzuki K14B - 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 K14B makes sense for lower-value Swift and SX4 examples (pre-2010, high-mileage, sub-£2,000 values). Used units from £300-£700 are widely available from Suzuki breakers. However, a used K14B only makes sense with documented service history and coil pack replacement - an unknown-history unit will likely need immediate coil pack replacement (£100-£250) and VVT solenoid inspection (£100-£300). Link: used engines
Reconditioned:
** A proper K14B recon (£800-£1,500) addresses the specific weaknesses of this engine - new coil packs, fully cleaned VVT system, new timing chain and tensioner, and rebuilt cylinder head. For most Swift and SX4 owners, this is the sweet spot - reliable, warrantied, and well within the vehicle's value on most examples. Link: reconditioned engines
Rebuilt:
** A full K14B rebuild (£1,500-£2,500) is justified for low-mileage, well-maintained examples or where the owner wants to preserve a well-loved car. An upgraded rebuild should include new coil packs, a new thermostat housing, a new timing chain kit, and a fully overhauled cylinder head. Link: rebuilt engines
Supply & Fit Line:
** All our vetted UK Suzuki specialists offer supply-only or full supply-and-fit on K14B units - fitted prices include 6-8 hours of labour, specialist fluids, and a 12-24 month warranty. Nationwide delivery covers supply-only orders. Link: supply and fit
Vehicle Value Note:
** The K14B sits in host vehicles with UK market values ranging from £800 (early Swift 1.4 with high mileage) to £5,000 (late SX4 with low mileage) . If your K14B host is worth less than £1,500, a reconditioned K14B at £800-£1,500 will represent 50-100% of the vehicle's value. In this bracket, a used unit with documented coil pack history at £300-£700 is often the more financially rational choice. For hosts above £3,000, the reconditioned unit is the clear winner - adding several years of life to a car worth keeping.
Compare K14B Engine Prices Now --- **
Related Engines
Engines Related to the Suzuki K14B
Explore engines that are closely related to the Suzuki K14B, including its predecessor, successor, and key family variants.
Predecessor
K12M
: The K12M was the 1.2-litre DualJet predecessor, fitted to earlier Swift and Baleno models. It shares the same K-series architecture but with smaller displacement and lower power output (90 hp vs 95 hp). The K12M is simpler, lacking some of the K14B's VVT refinement, but is generally more fuel-efficient.
Successor
K14C
: The K14C Boosterjet turbo completely replaced the naturally aspirated K14B from 2015. It's a fundamentally different engine - turbocharged, direct-injection, with 140 hp and significantly more torque. The K14C resolved many of the K14B's VVT and coil pack issues but introduced its own set of turbo-related complexities. If you're considering swapping a K14B for a K14C, the engine mounts, exhaust, cooling system, and ECU are all different - not a straightforward replacement.
Cross-Brand Twin
None: The K14B is a Suzuki
developed engine and was not shared with other manufacturers. However, it's used across various Suzuki global models including the Ertiga and APV in Asian markets, all of which are not sold in the UK.
FAQ
Suzuki K14BFrequently Asked Questions
Question 1How much does a Suzuki K14B engine replacement cost in the UK-
A reconditioned Suzuki K14B costs approximately £800-£1,500 supply-only, with fitted prices typically £1,190-£1,920 including 6-8 hours of labour . Used units start from £300-£700 supply-only, while full rebuilds range from £1,500-£2,500. Reconditioned is the most popular choice for Swift and SX4 worth £2,500+; used makes sense only with documented coil pack and VVT history; rebuilds are for low-mileage or well-kept examples.
- Reconditioned is the most popular choice for Swift and SX4 worth £2,500+
- Used makes sense only with documented coil pack and VVT history
- Rebuilds are for low-mileage or well-kept examples
Question 2What is the most common problem with the Suzuki K14B engine-
Coil pack failure is the most common K14B problem, occurring from 40,000-80,000 miles . It causes misfires, rough running, and the engine management light illuminating. VVT solenoid issues are the second most common - they cause poor low-end response and rough idle. Both are relatively inexpensive to fix. Coil pack replacement costs £100-£250 for a set; VVT solenoid cleaning or replacement costs £100-£300; replacing all four coil packs at once is recommended.
- Coil pack replacement costs £100-£250 for a set
- VVT solenoid cleaning or replacement costs £100-£300
- Replacing all four coil packs at once is recommended
Question 3Which Suzuki models use the K14B engine-
The K14B powers multiple Suzuki models from 2005-2015: Swift (I and II generations), SX4, Grand Vitara, Splash, Ignis, and Wagon R+. All wear the 1.4 VVT badge. Swift and SX4 were the highest-volume UK applications. The engine was discontinued in 2015 when the K14C Boosterjet replaced it. Always confirm the engine code on the V5C before buying a replacement.
- Swift and SX4 were the highest-volume UK applications
- The engine was discontinued in 2015 when the K14C Boosterjet replaced it
- Always confirm the engine code on the V5C before buying a replacement
Question 4Can I fit a K14C Boosterjet engine in place of my K14B-
Not easily. While both are 1.4-litre K-series engines, the K14C is turbocharged, direct-injection, and has different engine mounts, exhaust routing, cooling system, and ECU architecture. Fitting a K14C would require replacing the engine loom, ECU, engine mounts, exhaust manifold, and potentially the gearbox. The cost is prohibitive - it's cheaper to buy a factory-spec K14B or sell the car and buy a K14C-equipped model. Engine mounts are different; ECU calibration is completely different; turbocharger requires different oil and cooling lines; not recommended - buy the correct K14B.
- Engine mounts are different
- ECU calibration is completely different
- Turbocharger requires different oil and cooling lines
- Not recommended - buy the correct K14B
Question 5How do I confirm my Swift or SX4 has the K14B and not a different engine-
The engine code is stamped on a metal plate on the cylinder block, visible from the top of the engine bay. The engine number on the V5C starts with K14B followed by seven digits. If your Swift or SX4 is a 1.4 VVT from 2005-2015, it's almost certainly a K14B. Check the V5C registration document for the engine number; look for the metal stamp on the cylinder block; K14C is the turbo version - different badge; enter your registration above for instant confirmation.
- Check the V5C registration document for the engine number
- Look for the metal stamp on the cylinder block
- K14C is the turbo version - different badge
- Enter your registration above for instant confirmation
Question 6How many miles can a Suzuki K14B engine last-
With regular oil changes and timely coil pack replacement, a K14B can exceed 150,000-200,000 miles. The timing chain is the main variable - some last 200,000 miles, others need replacement at 80,000. The key is strict 10,000-mile oil changes using the correct 5W-30 oil and replacing coil packs at the first sign of misfire. Coil pack replacement at 60,000 miles extends lifespan; timing chain inspection recommended at 80,000 miles; VVT solenoid cleaning at 60,000 miles prevents issues.
- Coil pack replacement at 60,000 miles extends lifespan
- Timing chain inspection recommended at 80,000 miles
- VVT solenoid cleaning at 60,000 miles prevents issues
Compare Suzuki K14B Engine Prices Today
Free, no-obligation comparison - the quotes you receive are specific to your exact K14B engine code, with suppliers confirming fitment before they price. Our reg lookup checks your vehicle's exact engine variant, so you never pay for the wrong code. With reconditioned K14B units from approximately £800, comparing takes two minutes and could save hundreds against a main-dealer replacement.
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