How long does a Suzuki Swift 1.2 or 1.3 petrol engine replacement take-

A Suzuki Swift engine replacement typically takes 2-4 days total. This includes 1-2 days for removal and fitting, plus additional time if the replacement engine requires preparation.

SUZUKI SWIFT ENGINE SPECIALISTS

Suzuki Swift 1.2-1.3 Petrol Engine Replacement Compare Prices & Get Quotes

Get quotes today from trusted UK Suzuki Swift 1.2 and 1.3 petrol engine specialists. Compare prices on reconditioned, rebuilt and used K12B and M13A engines with supply and fit options nationwide.

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Suzuki Swift 1.2-1.3 Petrol Engine

from£900 to £1,600

Usedfrom £400
Reconditionedfrom £900
Common codesK12B, M13A, K12C

Suzuki swift 1.2-1.3 Petrol Used Engine — M13A

Suzuki swiftUsed Engine — M13A

Suzuki swift 1.2-1.3 Petrol Reconditioned Engine — M13A

Suzuki swiftReconditioned Engine — M13A

Suzuki swift 1.2-1.3 Petrol Rebuilt Engine — M13A

Suzuki swiftRebuilt Engine — M13A

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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

Suzuki Swift 1.2-1.3 Petrol Engine History & Specs at a Glance

The Suzuki Swift 1.3 M13A engine powered the first two generations of the UK-market Swift (2005-2010), while the 1.2 K12B engine replaced it from 2010 onwards as part of Suzuki's K-series engine family. Together, these naturally aspirated petrol engines represent the vast majority of Swift replacements in the UK, with the K12B becoming the dominant petrol engine from 2010 onwards.

2005
Suzuki Swift Mk2 (MZ/EZ) launched with M13A 1.3-litre petrol engine producing 90-92hp
2006
Swift Sport launched with M16A 1.6-litre engine; M13A continues in standard models
2010
Swift Mk3 (FZ/NZ) launched with new K12B 1.2-litre VVT petrol engine replacing M13A
2012
K12B engine updated with Dualjet technology improving fuel efficiency
2017
Swift Mk4 launched with K12C Dualjet mild hybrid replacing K12B
2018
Swift Sport Boosterjet (K14C) launched as turbocharged performance variant

Every Suzuki Swift 1.2 and 1.3 petrol engine fitted to UK models is covered below, with UK rebuilt pricing and known failure points.

Engine Codes & Pricing

Suzuki Swift 1.2-1.3 Petrol Engine Codes Specifications & Replacement Cost

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

M13A — 1.3L Petrol (2005-2010)

Power Output: 90-92hp (66-68kW) at 6,000rpm
Torque: 116Nm at 3,400rpm
Displacement: 1,328cc
Years Fitted: 2005-2010 (Mk2 Swift, chassis codes ZC11S, ZD11S)

Can’t find your exact engine code?-> Get quotes for M13A Suzuki Swift 1.3 petrol engine replacement

-> Get quotes for M13A Suzuki Swift 1.3 petrol engine replacement

Common Problems

Suzuki Swift 1.2-1.3 Petrol Engine Problems Repair Cost vs Replacement

The Suzuki Swift 1.2 (K12B) and 1.3 (M13A) petrol engines are generally reliable, but both have well-documented weaknesses. The K12B suffers from timing chain tensioner rattle on K-series engines, while the M13A can experience coil pack failures and head gasket issues. Rebuilt engines through EnginesMarket include upgraded components addressing the original failure points, plus a minimum 12-month unlimited-mileage warranty.

Common failure points and repair options

Timing Chain Tensioner Failure

Affected: Suzuki Swift 1.2 (K12B, 2010-2017)
Typical failure mileage: 80,000-124,000 miles

Root cause

The K12B timing chain tensioner is a known weak point on K-series engines. Over time, the tensioner can fail to maintain proper chain tension, leading to chain slap, a metallic rattle on cold start, and potential engine damage if left unaddressed. The chain can stretch and, in worst cases, skip a tooth or break entirely.

Repair options

Repair tier	Dealer price	Specialist price
Timing chain replacement	£750-£1,100	£485-£763
Full Replacement - rebuilt/reconditioned engine	£2,500-£4,000	£1,300-£1,800

Our recommendation

If you hear a rattling noise from the Suzuki Swift K12B engine on cold start, have the timing chain tensioner inspected immediately. Replacement at the first sign of wear is far cheaper than a full engine rebuild - specialist timing chain replacement typically costs £485-£763. With proper servicing (regular oil changes using the correct grade), the chain should last well beyond 100,000 miles. The M13A uses a timing chain as well, but tensioner issues are less frequently reported.

-> Compare rebuilt K12B Suzuki Swift 1.2 petrol engine prices

Coil Pack & Head Gasket Issues

Affected: Suzuki Swift 1.3 (M13A, 2005-2010)
Typical failure mileage: 60,000-100,000 miles (coil packs); 80,000-120,000 miles (head gasket)

Root cause

The M13A can suffer from coil pack failures, causing engine hesitation, misfires, and rough idle. Head gasket failure is also possible on higher-mileage examples, particularly if the engine has overheated - symptoms include white exhaust smoke, coolant loss, milky oil, and overheating.

Repair options

Repair tier	Dealer price	Specialist price
Coil pack replacement	£150-£300	£100-£200
Head gasket replacement	£700-£1,200	£500-£800
Full Replacement - rebuilt/reconditioned engine	£2,500-£3,500	£1,100-£1,600

Our recommendation

For the M13A, coil pack issues are generally straightforward and inexpensive to resolve (£100-£200 through a specialist). Head gasket failure is more serious - if you notice white exhaust smoke, coolant loss, or milky oil, have the engine inspected immediately. A head gasket replacement is significantly cheaper than a full engine replacement, but if the engine has overheated severely, a rebuilt unit may be the more reliable long-term solution.

-> Compare rebuilt M13A Suzuki Swift 1.3 petrol engine prices

Don't Let Engine Issues Write Off Your Suzuki Swift 1.2-1.3 Petrol

Whether it's timing chain tensioner rattle on the K12B, coil pack or head gasket issues on the M13A, the Suzuki Swift 1.2-1.3 petrol engine range is generally reliable when properly maintained. Every rebuilt unit supplied through EnginesMarket comes with upgraded components addressing the original failure points and a minimum 12-month unlimited-mileage warranty. Compare specialist prices today and save on main dealer costs; supply and fit available nationwide.

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FAQ

Suzuki Swift 1.2-1.3 Petrol Engine ReplacementFrequently Asked Questions

Everything Suzuki Swift 1.2-1.3 Petrol owners usually ask before choosing a rebuilt, reconditioned or used replacement engine.

A Suzuki Swift 1.2 (K12B) or 1.3 (M13A) petrol engine replacement typically costs £900-£1,800 for a reconditioned or rebuilt unit with supply and fit through a specialist. Used engines start from around £350-£750, while main dealer replacement can exceed £2,500.

Rebuilt K12B: £1,300-£1,800 fitted
Reconditioned M13A: £725-£1,200 fitted
Used K12B/M13A: £350-£750 (engine only)
Main dealer: £2,500-£4,000

-> Get a free Suzuki Swift 1.2 or 1.3 petrol engine quote today

The most common early warning sign is a rattling or tapping noise from the front of the engine on cold start, indicating timing chain tensioner wear. As the problem worsens, you may notice a check engine light, rough running, or timing correlation fault codes like P0016.

Cold-start rattle is the #1 warning sign
Metallic tapping noise from the timing cover
Check engine light may illuminate with timing codes

-> Compare Suzuki Swift 1.2 K12B timing chain repair quotes

Yes - if the chassis and body are in good condition, a rebuilt K12B or M13A with upgraded components adds significant value and extends the vehicle's life. Given the vehicle's value (£1,500-£6,000+), replacement cost should be evaluated against the car's condition. For well-maintained examples, a rebuilt engine is a sound investment.

Rebuilt engine adds significant value to a well-maintained Swift
12-month unlimited mileage warranty provides peace of mind
Upgraded components address original failure points

-> Get a Suzuki Swift 1.2 or 1.3 petrol replacement quote

The M13A (1.3-litre, 1,328cc, 90-92hp) powered the Mk2 Swift (2005-2010), while the K12B (1.2-litre, 1,242cc, 90-94hp) replaced it in the Mk3 Swift (2010-2017). Both are naturally aspirated petrol engines, but the K12B features VVT and improved fuel efficiency.

M13A: 1.3L, 1,328cc, 90-92hp, 2005-2010
K12B: 1.2L, 1,242cc, 90-94hp, 2010-2017
K12B has VVT and better fuel economy

-> Compare Suzuki Swift 1.2 and 1.3 petrol engine prices

Both the Suzuki Swift 1.2 K12B and 1.3 M13A use a timing chain, not a rubber timing belt. The chain is designed for the life of the engine but can stretch or suffer tensioner wear over time, particularly if oil changes have been missed.

Timing chain, not belt - no routine replacement interval
Chain stretch possible on high-mileage examples
K12B tensioner rattle is a known issue

-> Get a Suzuki Swift 1.2 or 1.3 petrol engine diagnosis quote

Why Choose Us

Compare Suzuki Swift 1.2-1.3 Petrol Engine Prices Today

Comparing Suzuki Swift 1.2 or 1.3 petrol engine quotes is completely free and carries no obligation. Enter your registration above to get matched with vetted UK specialists who stock K12B and M13A engines for your exact Swift generation - whether you need a used unit, a reconditioned engine, or a full rebuilt petrol engine with 12-month warranty. Get quotes today and save on your Suzuki Swift engine replacement.

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