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Renault F4R Engine - Replacement Cost, Problems & CompatibilityProblems & Compatibility
The 2.0-litre naturally aspirated petrol engine fitted to most 2000-2015 Renault models, including the Megane, Laguna, and Scenic. Reconditioned Renault F4R units are typically available from £900 , representing a highly common replacement across the Renault lineup for owners seeking a reliable, straightforward petrol unit.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
Used from
£300
Reconditioned from
£900
Rebuilt from
£1,400
GB
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Key Specs
Renault F4R - Specifications at a Glance
Engine Code
F4R
Fuel
Petrol
Configuration
2.0L inline-4, naturally aspirated 16v
Power Output(s)
135-145 hp (depending on tune and application)
Years Produced
2000-2015
UK Models Fitted
5+ Renault models - full list in Compatibility below
Replaced
F7R (1.9 16v)
Replaced By
TCe family / H4M
Most Common Failure
Coil pack failure and timing belt tensioner wear
Reconditioned Price Range
£900-£1,800 supply-only
Vetted UK specialists for F4R replacements
Minimum 12-month warranty on reconditioned and rebuilt options
Fitted To
Which Renault Models Use the F4R-
TAG: Fitted To
| Model | Generation/Chassis | Badge(s) | Years | Link |
|---|---|---|---|---|
 Renault Megane | Mk2 | 2.0 16v | 2002-2009 | |
| Renault Megane | Mk3 | 2.0 16v | 2008-2012 | |
| Renault Laguna | Mk2 | 2.0 16v | 2001-2007 | |
| Renault Laguna | Mk3 | 2.0 16v | 2007-2012 | |
| Renault Scenic | Mk2 | 2.0 16v | 2003-2009 | |
| Renault Scenic | Mk3 | 2.0 16v | 2009-2012 | |
| Renault Espace | Mk4 | 2.0 16v | 2002-2015 |
02
Renault Megane
03
Renault Laguna
04
Renault Laguna
05
Renault Scenic
06
Renault Scenic
07
Renault Espace
CROSS-BRAND
F4R is documented across 7 BMW applications spanning Megane, Laguna, Scenic, Espace. Registration lookup confirms the exact suffix before quotes are sent.
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Prices
Renault F4R Engine Replacement Cost (UK)
Condition | Supply Only | Fitted (Independent Specialist) | Typical Warranty |
|---|---|---|---|
Used | £300-£700 | £690-£1,285 | 3-6 months |
Reconditioned | £900-£1,800 | £1,290-£2,385 | 12-24 months |
Rebuilt | £1,400-£2,200 | £1,790-£2,785 | 12-24 months |
The final cost of a Renault F4R engine replacement depends heavily on the condition of the ignition system and whether the timing belt has been regularly serviced. Units sold without a recent timing belt kit or coil pack replacement carry higher long-term risk. For a full breakdown of what is included in a proper rebuild, see our full reconditioned engine cost guide.
Labour Guide
Fitting an F4R typically takes 6-8 hours at £65/hr (independent) - confirm exact labour when comparing quotes.
Price Factors
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Common Problems
Renault F4R Engine Problems - What Actually Fails
Every engine has its weak points. Here are the known issues with the F4R, based on real-world data and verified failure patterns.
Verified issue focus: Coil pack failure and timing belt tensioner wear.
1. Coil Pack and Ignition Failure - 2000-2015 models
1. Coil Pack and Ignition Failure - 2000-2015 models
Typical onset:
60,000-100,000 miles
What happens:
The F4R uses individual coil packs (or a coil pack rail) that are highly susceptible to heat degradation and age. Failure causes severe misfires, rough idling, loss of power, and illumination of the check engine light. If driven extensively with a dead cylinder, unburnt fuel can damage the catalytic converter.
Repair vs replace:
Standalone coil pack replacement is inexpensive (£100-£300). However, if prolonged misfiring has damaged the catalytic converter or washed the cylinder bores leading to compression loss, a reconditioned Renault F4R engine may be required.
Read more about this issue
2. Timing Belt Tensioner and Water Pump Wear - 2000-2015 models
2. Timing Belt Tensioner and Water Pump Wear - 2000-2015 models
Typical onset:
60,000-100,000 miles (or 5-10 years)
What happens:
The F4R is an interference engine. The timing belt tensioner and water pump can fail prematurely, especially if oil leaks from the cam cover degrade the rubber belt. A snapped belt will cause catastrophic valve-to-piston contact, destroying the cylinder head and pistons.
Repair vs replace:
A full timing belt and water pump kit costs £400-£800. If the belt has already snapped and caused internal damage, a full Renault F4R engine replacement is the only viable option to restore the vehicle.
Read more about this issue
3. Crankshaft Pulley and Accessory Belt Damper Failure - 80,000+ miles
3. Crankshaft Pulley and Accessory Belt Damper Failure - 80,000+ miles
Typical onset:
80,000-120,000 miles
What happens:
The rubber damper inside the crankshaft pulley can deteriorate and fail. This causes a loud rattling noise from the front of the engine, loss of power steering and alternator function, and can cause the accessory belt to wander and snap the timing belt cover, potentially leading to timing belt failure.
Repair vs replace:
Crankshaft pulley replacement costs £200-£400. It is a critical preventative repair; if ignored and the accessory belt wraps around the crankshaft, it can strip the timing belt and write off the engine.
Read more about this issue
Post-2008 revisions of the F4R received updated tensioner designs and improved cam cover seals, making belt-related failures less frequently reported, though strict 5-year/60,000-mile replacement intervals remain critical .
Compare rebuilt F4R prices with the failure already addressed
Engine Variants
How to Confirm You Have the Renault F4R
The F4R engine code is stamped on a machined pad on the engine block, typically visible near the oil filter housing or on the timing cover. It is also clearly listed on your vehicle's V5C registration document under "Engine Capacity/Code" and can be verified via a VIN decode. Owners frequently confuse the F4R with the older F7R (1.9 16v) or the M4R (2.0 dCi diesel). While the F7R shares a similar layout, the F4R has a different displacement, ECU mapping, and sensor fitment. Confusing the F4R petrol with the M4R diesel is a critical error, as they are entirely different architectures. Fitting the wrong revision will lead to sensor mismatches, incorrect fueling, and ECU faults. If your documentation shows F7R, view the F7R engine page . If it shows M4R, view the M4R engine page.
Not entirely sure- Enter your registration above - we'll confirm your exact F4R fitment before any quotes are sent.
Easily Confused
F7R
The older 1.9-litre 16v predecessor, sharing a similar block architecture but lacking the F4R's 2.0-litre displacement and updated engine management.
Alternative / Next-Gen Code
H5Ft
- The 1.2-litre TCe turbo petrol that largely replaced the naturally aspirated F4R in the Renault lineup, offering similar low-end torque with significantly lower emissions and fuel consumption.
Related JLR Variants
K4M
- The 1.6-litre 16v sibling; buyers with smaller hatchbacks or lower-trim Meganes and Scenics should check this page instead, as it shares the same reliable naturally aspirated philosophy.
Confirm the exact F4R fitment
Not entirely sure- Enter your registration above - we'll confirm your exact F4R fitment before any quotes are sent.
Buying Guide
Buying a Replacement Renault F4R - 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 Renault F4R engine is only advisable for low-value host vehicles and *only* if accompanied by documented proof that the timing belt and water pump were recently replaced. Without this, the risk of a snapped belt destroying the replacement unit is high.
Reconditioned:
A proper reconditioned Renault F4R engine is the most recommended choice. It should include a new timing belt kit, water pump, refreshed coil packs, and new cam cover seals to prevent oil contamination of the belt. This addresses the engine's core weaknesses while keeping costs well below a full rebuild.
Rebuilt:
A full rebuild is justified for high-mileage examples or vehicles where the original block suffered catastrophic timing belt failure. An upgraded rebuild should feature new piston rings, refreshed valve guides, and a revised oil pump to prevent future starvation.
Supply & Fit Line:
Sourcing and fitting through our vetted network ensures your new F4R is installed by specialists familiar with Renault's diagnostic requirements, backed by a minimum 12-month warranty and nationwide delivery.
Vehicle Value Note:
For older hosts like the Megane Mk2 or Laguna Mk2, current market values often sit between £1,000 and £4,000. Since a reconditioned Renault F4R supply-only starts around £900, the total fitted cost can approach or exceed 50% of the vehicle's value. In these cases, we strongly advise evaluating the scrap or part-exchange value before committing to a replacement.
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Related Engines
Engines Related to the Renault F4R
Explore engines that are closely related to the Renault F4R, including its predecessor, successor, and key family variants.
Predecessor
F7R
The older 1.9-litre 16v predecessor, sharing a similar block architecture but lacking the F4R's 2.0-litre displacement and updated engine management.
Successor
H5Ft
- The 1.2-litre TCe turbo petrol that largely replaced the naturally aspirated F4R in the Renault lineup, offering similar low-end torque with significantly lower emissions and fuel consumption.
Sibling
K4M
- The 1.6-litre 16v sibling; buyers with smaller hatchbacks or lower-trim Meganes and Scenics should check this page instead, as it shares the same reliable naturally aspirated philosophy.
Cross-Brand Twin
The F4R architecture was closely related to the Nissan MR20DE 2.0L used in the Qashqai and X-Trail, though specific Renault-Nissan alliance variant pages for the MR20DE are not yet in our engine inventory .
FAQ
Renault F4RFrequently Asked Questions
Question 1How much does a Renault F4R engine replacement cost-
A reconditioned Renault F4R engine costs between £900 and £1,800 for supply-only, with fitted costs typically ranging from £1,290 to £2,385. Used units start around £300 but carry a high risk of an unverified timing belt history. Rebuilt units with upgraded tensioners and water pumps range from £1,400 to £2,200.
- Used units start around £300 but carry a high risk of an unverified timing belt history.
- Rebuilt units with upgraded tensioners and water pumps range from £1,400 to £2,200.
Question 2What is the most common Renault F4R engine problem-
The most critical documented failure is timing belt tensioner and water pump wear, which can lead to catastrophic valve-to-piston contact if the belt snaps. Symptoms of impending failure include rattling from the timing cover or coolant leaks near the water pump. Coil pack failure is also very common, causing severe misfires, rough idling, and potential catalytic converter damage.
- Symptoms of impending failure include rattling from the timing cover or coolant leaks near the water pump.
- Coil pack failure is also very common, causing severe misfires, rough idling, and potential catalytic converter damage.
Question 3Which Renault models use the F4R engine-
The F4R 2.0 16v was widely fitted across the Renault lineup from 2000 to 2015. Check your exact model compatibility by entering your registration above.
- Key applications include the Megane, Laguna, Scenic, and Espace.
Question 4Should I buy a used or reconditioned Renault F4R-
A reconditioned Renault F4R is strongly recommended over a used unit because it is an interference engine. Reconditioned units should include a new timing belt kit, water pump, and refreshed coil packs to eliminate the risk of immediate catastrophic failure. A used engine is only viable if it has verifiable, recent proof of a full timing belt and water pump replacement.
- Reconditioned units should include a new timing belt kit, water pump, and refreshed coil packs to eliminate the risk of immediate catastrophic failure.
- A used engine is only viable if it has verifiable, recent proof of a full timing belt and water pump replacement.
Question 5How do I know if my car has the F4R engine-
The engine code is stamped on the block near the oil filter housing and listed on your V5C registration document. It is often confused with the older F7R (1.9) or the M4R (2.0 dCi diesel), which have entirely different fuel systems, displacements, and ECU mappings.
- It is often confused with the older F7R (1.9) or the M4R (2.0 dCi diesel), which have entirely different fuel systems, displacements, and ECU mappings.
Compare Renault F4R Engine Prices Today
Get a free, no-obligation price comparison for your exact Renault F4R engine. Our registration lookup confirms your vehicle's specific fitment before any quotes are sent, ensuring you receive accurate pricing. With reconditioned F4R units starting from £900, comparing takes two minutes and could save you hundreds on your replacement.
Vetted UK Specialists
Vetted UK specialists for F4R replacements
Minimum 12-Month Warranty
Minimum 12-month warranty on reconditioned and rebuilt options
Nationwide Delivery
Nationwide delivery plus supply and fit availability
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Secure enquiry - no spam. Quotes only from vetted UK engine specialists.
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