Ford Focus RS 2.3 EcoBoost Engine ReplacementCompare Prices & Get Quotes
Get quotes today from trusted UK Ford Focus RS 2.3 EcoBoost engine specialists. Compare prices on reconditioned, rebuilt and used engines to find the most cost-effective, warranty-backed solution for your high-performance hatchback.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers

From £3,500 to £6,500
Used from £1,500 · Reconditioned from £3,500 · Common codes: H9DA
From £1,500
Tested, bare/short engine
From £3,500
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain

Secure enquiry - no spam, no pressure. Genuine quotes only from vetted UK Ford Focus RS 2.3 EcoBoost specialists.
3 Simple Steps3 Simple Stepsto Finding the Best Ford Focus RS 2.3 EcoBoost Replacement Engineto Finding the Best Ford Focus RS 2.3 EcoBoost Replacement Engine
Most replacements completed within 3-5 days.
Ford Focus RS 2.3 EcoBoost - Engine History & Specs at a Glance
When the third-generation Focus RS launched, it marked a return to the iconic RS badge with a heavily revised, high-output 2.3L EcoBoost engine, replacing the previous generation's 2.5L five-cylinder unit to deliver sharper performance and improved efficiency.

Ford Focus RS 2.3 EcoBoost - Engine History & Specs at a Glance
When the third-generation Focus RS launched, it marked a return to the iconic RS badge with a heavily revised, high-output 2.3L EcoBoost engine, replacing the previous generation's 2.5L five-cylinder unit to deliver sharper performance and improved efficiency.
Ford Focus RS 2.3 EcoBoost
Engine History Timeline
H9DA (2.3L EcoBoost) 2.3L Petrol, 350 PS (345 bhp) (Launch of the Mk3 Focus RS, featuring a twin-scroll turbocharger and advanced all-wheel-drive system)
H9DA (2.3L EcoBoost Heritage Edition) 2.3L Petrol, 350 PS (345 bhp) (Final production year, featuring the iconic Heritage Edition with RS Blue paint and gold wheels, mechanically identical to the standard RS)
Key Specs Snapshot
Every engine fitted to the Ford Focus RS 2.3 EcoBoost is covered below, with UK rebuilt pricing and known failure points.
Ford Focus RS 2.3 EcoBoost Engine Codes - Specifications & Replacement CostFord Focus RS 2.3 EcoBoost Engine Codes - Specifications & Replacement Cost
2.3L Petrol (2016-2018)
Compatible Trim Levels
- Focus RS
- Focus RS Heritage Edition

Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£1,500-£2,500
Reconditioned
Addressed known issues, tested
£3,500-£5,000
Rebuilt
Full teardown, upgraded internals
£4,500-£6,500
Common Failure
Head gasket failure and coolant consumption issues are the most commonly reported problems in early-build models, alongside potential piston ring land issues under extreme tuning or track use.


The Ford Focus RS 2.3 EcoBoost is a high-performance engine that, while robust, can suffer from specific issues under the stress of track use or aggressive driving. Rebuilt engines supplied through EnginesMarket include upgraded components addressing these original failure points, backed by a minimum 12-month unlimited-mileage warranty.

Why the Ford Focus RS 2.3 EcoBoost H9DA Can Overheat
Affected Vehicles
Ford Focus RS 2.3 EcoBoost (H9DA, 2016-2018)
Typical Failure Mileage
20,000-50,000 miles
Root Cause
Early production units were subject to a manufacturing variance in the head gasket, leading to coolant seeping into the cylinders and causing white smoke from the exhaust.
Why It Happens
Early production units were subject to a manufacturing variance in the head gasket, leading to coolant seeping into the cylinders and causing white smoke from the exhaust.
Dealer (parts + labour)
£1,500-£2,500
Specialist (parts + labour)
£1,000-£1,800
What it involves
Removing the cylinder head, replacing the gasket with an updated OEM-spec unit, and flushing the cooling system.
Suitability
Suitable if caught early with no cylinder head warping or block damage.
Dealer (parts + labour)
£6,000-£9,000
Specialist (parts + labour)
£4,500-£6,500
What it involves
Supply & fit of a rebuilt unit with updated gaskets and strengthened internals, plus 12-month warranty.
Suitability
The right call if the block has suffered hydrolock, cracked pistons, or severe overheating damage.
| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
Minor/Preventative Minor | £1,500-£2,500 | £1,000-£1,800 | Removing the cylinder head, replacing the gasket with an updated OEM-spec unit, and flushing the cooling system. | Suitable if caught early with no cylinder head warping or block damage. | |
Full Replacement - rebuilt/reconditioned engine Best Value | £6,000-£9,000 | £4,500-£6,500 | Supply & fit of a rebuilt unit with updated gaskets and strengthened internals, plus 12-month warranty. | The right call if the block has suffered hydrolock, cracked pistons, or severe overheating damage. |
Our Recommendation
Our Recommendation
For isolated head gasket issues caught early, a specialist head gasket replacement is cost-effective. However, if the engine has suffered piston ring land failure or severe overheating damage, a fully rebuilt engine with upgraded internals is the only reliable long-term solution for a high-performance vehicle.

Don't Let Engine Failure Write Off Your Ford Focus RS 2.3 EcoBoost
Don't accept main dealer replacement quotes that can easily exceed £8,000. By comparing prices through EnginesMarket, you access vetted UK performance specialists who supply rebuilt Ford Focus RS 2.3 EcoBoost engines with upgraded components, nationwide delivery, and a minimum 12-month unlimited-mileage warranty.
Important Information
Important Information
"All prices are indicative UK market ranges based on historical quote data and repair requests from our network of engine specialists. Dealer pricing is estimated based on published main dealer labour rates and genuine OEM parts pricing. Specialist pricing reflects actual quote data from EnginesMarket's UK network. Actual costs vary depending on damage severity, vehicle condition, variant, and workshop location within the UK. Use our free comparison tool to get tailored quotes for your specific Ford Focus RS 2.3 EcoBoost. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier."
Ford Focus RS 2.3 EcoBoost Engine ReplacementFrequently Asked Questions
Question 1How much does a Ford Focus RS 2.3 EcoBoost engine replacement cost-
A full rebuilt or reconditioned Ford Focus RS 2.3 EcoBoost engine typically costs between £3,500 and £6,500 for the unit itself, depending on the specification and level of internal upgrades.
- Used engines start from around £1,500.
- Reconditioned units range from £3,500 to £5,000.
- Fully rebuilt engines with performance warranties cost £4,500 to £6,500.
Question 2What are the common signs of Ford Focus RS 2.3 EcoBoost engine failure-
Owners of the Ford Focus RS 2.3 EcoBoost often report specific warning signs, particularly related to the cooling system and bottom end under load.
- Unexplained coolant loss without visible external leaks, often accompanied by white smoke from the exhaust.
- A sudden drop in oil pressure or excessive crankcase pressure, indicating potential piston ring land failure.
Question 3Is it worth replacing the engine in a Ford Focus RS 2.3 EcoBoost-
Yes, absolutely. The Ford Focus RS holds strong residual values, often ranging from £18,000 to £30,000+ depending on condition and edition.
- A £4,500-£6,500 rebuilt engine represents a fraction of the vehicle's total value.
- Replacing the engine preserves the car's performance and resale value far better than selling a non-running example at a steep discount.
Question 4Can the Ford Focus RS 2.3 EcoBoost engine be upgraded during replacement-
Yes, this is a highly popular route for RS owners. Many specialists offer "built" or "uprated" long blocks during the replacement process.
- Upgrades often include forged pistons, strengthened connecting rods, and uprated head studs to safely handle increased boost levels.
- Always confirm the exact specifications and warranty terms of any upgraded components with your chosen supplier.
Question 5How long does a Ford Focus RS 2.3 EcoBoost engine replacement take-
A standard Ford Focus RS 2.3 EcoBoost engine swap is a complex procedure due to the all-wheel-drive system and tight engine bay.
- Specialist fitting typically takes 2 to 3 days of labour once the replacement unit has arrived.
- Total turnaround from quote to completion is generally 7-10 working days, including sourcing and delivery.
Compare Ford Focus RS 2.3 EcoBoostEngine PricesToday
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