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Volvo B4204T37 Engine - Replacement Cost, Problems & CompatibilityProblems & Compatibility
The updated 2.0-litre four-cylinder T5 petrol fitted to Volvo's S60, V60, XC60 and more from 2016 onwards - a refined VEA engine with reconditioned units from £3,200 and well-understood PCV and timing belt maintenance needs.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
Used from
£2,000
Reconditioned from
£3,200
Rebuilt from
£4,500
GB
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Key Specs
Volvo B4204T37 - Specifications at a Glance
Engine Code
B4204T37 (VEA family - 2.0L T5, updated calibration)
Fuel
Petrol
Configuration
2.0L inline-4, turbocharged, DOHC 16-valve, direct injection
Power Output(s)
Approximately 245-254 hp (specific figures vary by model year and market)
Years Produced
2016-present (still in production for some models)
UK Models Fitted
S60, V60, XC60, S90, V90, XC90, XC40 - full list in Compatibility below
2025 UK Replacement Requests
[figure not in proprietary data]
Replaced
B4204T11 / B4204T20 (earlier VEA T5 variants)
Replaced By
B4204T23 / B4204T27 (latest VEA variants, plus hybrid versions)
Most Common Failure
PCV system clogging; timing belt wear (interference engine)
Reconditioned Price Range
£3,200-£5,000 supply-only
Vetted UK specialists for B4204T37 replacements
Minimum 12-month warranty on reconditioned and rebuilt options
Fitted To
Which Volvo Models Use the B4204T37-
TAG: Fitted To
| Model | Generation/Chassis | Badge(s) | Years | Link |
|---|---|---|---|---|
 Volvo S60 | Second generation (2010-2018) | T5 | 2016-2018 | |
| Volvo V60 | First generation (2010-2018) | T5 | 2016-2018 | |
| Volvo XC60 | First generation (2008-2017) | T5 | 2016-2017 | |
| Volvo XC60 | Second generation (2017-present) | T5 | 2017-present | |
| Volvo S90 | First generation (2016-present) | T5 | 2016-present | |
| Volvo V90 | First generation (2016-present) | T5 | 2016-present | |
| Volvo XC90 | Second generation (2015-present) | T5 | 2016-present | |
| Volvo XC40 | First generation (2017-present) | T5 | 2017-present | |
| Volvo V40 | First generation (2012-2019) | T5 | 2016-2019 |
02
Volvo V60
03
Volvo XC60
04
Volvo XC60
05
Volvo S90
06
Volvo V90
07
Volvo XC90
08
Volvo XC40
09
Volvo V40
CROSS-BRAND
B4204T37 is documented across 9 BMW applications spanning Volvo S60, Volvo V60, Volvo XC60, Volvo S90, Volvo V90, Volvo XC90, Volvo XC40, Volvo V40. Registration lookup confirms the exact suffix before quotes are sent.
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Prices
Volvo B4204T37 Engine Replacement Cost (UK)
Condition | Supply Only | Fitted (Independent Specialist) | Typical Warranty |
|---|---|---|---|
Used | £2,000-£3,200 | £2,800-£4,400 | 3-6 months |
Reconditioned | £3,200-£5,000 | £4,000-£6,200 | 12-24 months |
Rebuilt | £4,500-£6,500 | £5,300-£7,700 | 12-24 months |
All figures , based on UK specialist quotes and marketplace observations [THIRD-PARTY].
Labour Guide
Fitting a B4204T37 typically takes 10-14 hours at £65-£85/hr (independent) - confirm exact labour when comparing quotes.
Price Factors
What moves the price on a B4204T37 replacement is whether the PCV system, timing belt, tensioner and water pump have been addressed on the donor unit. The B4204T37 is a later VEA unit with improved components over earlier variants, but PCV clogging and timing belt wear are still the main maintenance concerns. A used unit with documented PCV service and timing belt history commands a premium. See our full reconditioned engine cost guide.
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Common Problems
Volvo B4204T37 Engine Problems - What Actually Fails
Every engine has its weak points. Here are the known issues with the B4204T37, based on real-world data and verified failure patterns.
Verified issue focus: PCV system clogging; timing belt wear (interference engine).
1. PCV System Clogging - all VEA T5 variants including B4204T37
1. PCV System Clogging - all VEA T5 variants including B4204T37
Typical onset:
80,000-120,000 miles
What happens:
Crankcase ventilation (PCV) system becomes clogged with sludge and carbon deposits, increasing crankcase pressure and forcing oil past piston rings and turbo seals. Symptoms include increased oil consumption (some owners report 1 litre per 1,000 km), blue smoke from the exhaust, and possible oil leaks from seals. If left unchecked, it can lead to turbo damage and accelerated engine wear.
Repair vs replace:
PCV system cleaning or replacement (typically £300-£600) resolves the issue if caught early. If oil consumption has been ignored, the turbocharger may be damaged and require replacement (£800-£1,500). In advanced cases with piston ring gumming, a full rebuild or replacement is the only definitive fix. Read our full oil consumption guide
Read more about this issue
2. Timing Belt - interference engine, critical interval
2. Timing Belt - interference engine, critical interval
Typical onset:
90,000 miles or 8-10 years
What happens:
The B4204T37 uses a timing belt, not a chain. As an interference engine, a failed belt or tensioner causes pistons to strike valves, destroying the cylinder head and often the bottom end. The interval is typically 90,000 miles or 10 years, but many specialists recommend earlier replacement (80,000 miles) due to reports of belt and tensioner wear on VEA petrol engines.
Repair vs replace:
Belt failure is catastrophic - full engine replacement is almost always required. Preventative belt replacement at the correct interval is essential; many specialists recommend replacing the water pump, tensioner and VVT pulleys simultaneously. Read our full timing belt failure guide
Read more about this issue
3. VVT Cam Timing Sensor / Solenoid Issues
3. VVT Cam Timing Sensor / Solenoid Issues
Typical onset:
60,000-100,000 miles
What happens:
The VVT (variable valve timing) solenoids can become clogged or fail, causing rough idle, loss of power, or engine management lights (P0010, P0011, etc.). This is less common on the B4204T37 than on earlier Ford-derived units, but still a known issue on higher-mileage VEA engines.
Repair vs replace:
VVT solenoid replacement (£200-£400 each) is straightforward. If the issue is caused by oil sludge, a full oil change and engine flush may be needed.
Read more about this issue
The B4204T37 is a later VEA variant (2016+) with improved PCV design and revised belt tensioners compared to early VEA units (2013-2015). However, the timing belt remains a critical service item, and PCV systems still require attention on higher-mileage cars. Regular oil changes with the correct 0W-20 VCC RBS0-2AE spec are essential to prevent sludge-related issues.
[Compare rebuilt B4204T37 prices with the failure already addressed](/volvo/b4204t37-engine/#get-quotes)
Engine Variants
How to Confirm You Have the B4204T37
The B4204T37 is a specific sub-code within the VEA 2.0-litre T5 family, introduced around 2016 as an updated calibration. It sits between the earlier B4204T11 (2014-2016) and the later B4204T23 (2017-2020) in the VEA timeline. Here's how it compares to other common VEA T5 codes: - B4204T11 - 245hp, 2014-2016, earlier VEA T5, slightly lower output - B4204T20 - 249hp AWD, 2015-2018, similar to T37 but with AWD-specific calibration - B4204T37 - approx. 245-254hp, 2016-present, the standard FWD T5 tune for many models after 2016 - B4204T23 - 254hp, 2017-2020, later calibration with revised emission controls - B4204T27 - 320hp T6 twin-charged (supercharger + turbo) - completely different configuration Where the code is found: The B4204T37 sub-code is printed on a sticker on the timing belt cover and on the V5C registration document under "Engine number". The first three characters (B42) indicate the engine family, and the final digits give the specific variant. Commonly confused codes: The B4204T37 is often mistaken for the B4204T11 or B4204T20, but they are not identical - they have different ECU calibrations and sometimes different injector part numbers. Fitting the wrong variant can result in incorrect fuelling and limp mode. Always match the exact sub-code when buying a replacement.
Not sure which sub-code you have- Enter your registration above and we'll confirm your exact B4204T37 fitment before any quotes are sent.
Easily Confused
Volvo B4204T11 engine
B4204T11 (2.0L T5, 2014-2016): The earlier VEA 2.0-litre T5 calibration that preceded the B4204T37. The T11 produced 245hp and was fitted from 2014-2016; the B4204T37 was the updated calibration with improved emissions and drivability. Both are VEA architecture, but the T37 has revised software and injector part numbers - not a straight swap without matching ECU and injectors.
Alternative / Next-Gen Code
Volvo B4204T23 engine
B4204T23 (2.0L T5, 2017-2020): The later VEA T5 calibration that followed the B4204T37, producing 254hp with further emissions refinements. The T23 is the most powerful single-turbo T5 and is considered the most refined of the VEA petrols. If you're replacing a B4204T37, the T23 is a potential upgrade but requires ECU matching and potentially different injectors.
Related JLR Variants
Volvo B4204T27 engine
B4204T27 (2.0L T6, 320hp twin-charged): The high-performance T6 variant of the VEA family - supercharged and turbocharged, producing 320hp. Shares the same block but has a supercharger, different ancillaries, and a completely different induction system. Not interchangeable with the T5; if you're looking for T6, you're on the wrong page.
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Buying Guide
Buying a Replacement B4204T37 - 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 B4204T37 can make sense for older S60, V60 or XC60 examples where the car's value is under £5,000. **Crucially:** only buy a used unit with documented PCV service history, timing belt replacement record, and proof of regular oil changes with the correct 0W-20 VCC spec. A used engine without these risks inheriting the same PCV and timing issues - which could cost you the equivalent of a reconditioned unit in repairs. Used engines service
Reconditioned:
** A proper B4204T37 recon addresses the PCV system, timing belt, tensioner, water pump, VVT pulleys, injector seals and a full oil system flush - exactly the maintenance items that keep these engines running well into high mileage. This is the right call for any car worth over £6,000 where you plan to keep it for 2+ years. Most recon units come with a 12-month warranty and have had all the common issues proactively fixed. Reconditioned engines service
Rebuilt:
** A full B4204T37 rebuild is rarely cost-effective compared to a reconditioned exchange unit - the labour to strip, inspect and rebuild a VEA petrol with new pistons, rings, bearings and cylinder head overhaul typically exceeds £4,000 before parts. Only consider a rebuild for a low-mileage, high-spec car (e.g. an XC90 T5 Inscription or a V90 T5) where the chassis is immaculate and you have a Volvo specialist who knows the VEA platform intimately. Rebuilt engines service
Supply & Fit Line:
** All replacement engines through our network are supplied with 12-month warranty and can be fitted by Volvo specialists nationwide. Supply & fit service
Vehicle Value Note:
** The B4204T37 sits across a value range - from £4,000 S60 T5s to £25,000 XC90 T5s. For a sub-£5,000 car, a reconditioned engine at £3,200-£4,500 may represent 70-100% of the car's value - evaluate scrap value before committing. For XC60, XC90, S90 and V90 owners, the car's retained value comfortably absorbs a recon engine cost. Be honest about the car's condition, mileage and MOT history before deciding.
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Related Engines
Engines Related to the Volvo B4204T37
Explore engines that are closely related to the Volvo B4204T37, including its predecessor, successor, and key family variants.
Predecessor
Volvo B4204T11 engine
B4204T11 (2.0L T5, 2014-2016): The earlier VEA 2.0-litre T5 calibration that preceded the B4204T37. The T11 produced 245hp and was fitted from 2014-2016; the B4204T37 was the updated calibration with improved emissions and drivability. Both are VEA architecture, but the T37 has revised software and injector part numbers - not a straight swap without matching ECU and injectors.
Successor
Volvo B4204T23 engine
B4204T23 (2.0L T5, 2017-2020): The later VEA T5 calibration that followed the B4204T37, producing 254hp with further emissions refinements. The T23 is the most powerful single-turbo T5 and is considered the most refined of the VEA petrols. If you're replacing a B4204T37, the T23 is a potential upgrade but requires ECU matching and potentially different injectors.
Sibling
Volvo B4204T27 engine
B4204T27 (2.0L T6, 320hp twin-charged): The high-performance T6 variant of the VEA family - supercharged and turbocharged, producing 320hp. Shares the same block but has a supercharger, different ancillaries, and a completely different induction system. Not interchangeable with the T5; if you're looking for T6, you're on the wrong page.
Sibling
Volvo D4204T engine
D4204T (2.0L D4 diesel): The diesel counterpart in the VEA family - shares the same block architecture but is fundamentally different in fuelling, compression, turbo and ancillaries. If your car is diesel, you're on the wrong page.
Sibling
Volvo B4204T44 engine
B4204T44 / T46 (T5 PHEV hybrid variants): The hybrid versions of the VEA T5 - petrol engine combined with an electric motor. They share the block but include additional hybrid components and a different starter-generator; not a direct swap with non-hybrid T5 units.
Cross-Brand Twin
The B4204T37 is a Volvo-only VEA engine, not shared with any other manufacturer. It is not related to the Ford 2.0 EcoBoost, despite both being 2.0-litre turbos; the VEA architecture is Volvo's own design and shares no parts with Ford.
FAQ
Volvo B4204T37Frequently Asked Questions
Question 1How much does a Volvo B4204T37 engine replacement cost-
Reconditioned supply-only units start from £3,200, with fitted prices typically £4,000-£6,200 including labour. Used units are cheaper at £2,000-£3,200 supply-only, but carry higher risk unless the PCV system and timing belt have been documented. The final price depends on the donor's service history and whether the common maintenance items have been addressed. Reconditioned: £3,200-£5,000 supply-only. Used: £2,000-£3,200 supply-only. Labour: 10-14 hours at £65-£85/hr.
- Reconditioned: £3,200-£5,000 supply-only
- Used: £2,000-£3,200 supply-only
- Labour: 10-14 hours at £65-£85/hr
Question 2What is the common failure on the B4204T37 engine-
The most common issues are PCV system clogging (leading to increased oil consumption) and timing belt wear on an interference engine - both of which can lead to catastrophic engine damage if ignored. The B4204T37 is a later VEA variant with improved components over early units, but the PCV system still requires attention at higher mileages, and the timing belt must be replaced at the recommended interval (90,000 miles or 8-10 years). Regular oil changes with the correct 0W-20 VCC RBS0-2AE spec are essential to prevent sludge-related issues. PCV clogging: oil consumption can exceed 1L per 1,000km. Timing belt interval: 90,000 miles or 8-10 years - failure = full engine replacement. VVT solenoid issues possible at higher mileage.
- PCV clogging: oil consumption can exceed 1L per 1,000km
- Timing belt interval: 90,000 miles or 8-10 years - failure = full engine replacement
- VVT solenoid issues possible at higher mileage
Question 3Which Volvo models have the B4204T37 engine-
The B4204T37 was fitted across the Volvo range from 2016 onwards. The highest-volume UK applications are the S60 (2016-2018), V60 (2016-2018), XC60 (2016-present), S90 (2016-present), V90 (2016-present), XC90 (2016-present) and XC40 (2017-present). It appears primarily as the T5 badge, with power outputs around 245-254hp. Check your V5C or timing belt cover for the exact sub-code. Check your model in the compatibility table
Compare B4204T37 quotesQuestion 4Should I buy a used or reconditioned B4204T37 engine-
It depends on your car's value and the service history of the donor engine. For an older S60 or V60 valued under £5,000, a used unit with documented PCV and timing belt history (£2,000-£3,200) may be the only financially sensible option. For XC60, XC90, S90 and V90 owners where the car is worth £8,000+, a reconditioned unit (£3,200-£5,000) with a 12-month warranty and all known issues addressed is almost always the better investment - given the engine's sensitivity to PCV and timing maintenance. Used: lower cost, higher risk of inheriting PCV/timing issues. Reconditioned: all common failure points addressed, 12-24 month warranty. Always insist on oil service history and belt change records.
- Used: lower cost, higher risk of inheriting PCV/timing issues
- Reconditioned: all common failure points addressed, 12-24 month warranty
- Always insist on oil service history and belt change records
Question 5What's the difference between B4204T11, B4204T20, B4204T37 and B4204T23-
These are all VEA 2.0-litre T5 petrol variants with different calibrations and production years. B4204T11 is 245hp (2014-2016), B4204T20 is 249hp AWD (2015-2018), B4204T37 is the updated FWD tune (2016-present) with improved emissions, and B4204T23 is the later 254hp tune (2017-2020). They share the same block but differ in ECU software, injectors, and sometimes turbo part numbers. They are not directly interchangeable without matching the ECU and ancillaries. B4204T11: 245hp, 2014-2016, earlier VEA. B4204T20: 249hp AWD, 2015-2018. B4204T37: 245-254hp, 2016-present, updated FWD tune. B4204T23: 254hp, 2017-2020, latest calibration.
- B4204T11: 245hp, 2014-2016, earlier VEA
- B4204T20: 249hp AWD, 2015-2018
- B4204T37: 245-254hp, 2016-present, updated FWD tune
- B4204T23: 254hp, 2017-2020, latest calibration
Question 6How long does a B4204T37 engine last-
With proper maintenance - especially strict adherence to the timing belt interval and regular oil changes with the correct 0W-20 VCC spec - 150,000-200,000 miles is achievable before major work is needed. The key factors are: (1) timing belt replacement at 90,000 miles or 8-10 years - failure is catastrophic; (2) PCV system cleaning or replacement around 80,000-100,000 miles to prevent oil consumption; (3) oil changes at 10,000 miles or annually with the correct spec. Many VEA T5 units exceed 200,000 miles with these items addressed proactively. Timing belt is the single most important service item. PCV issues typically emerge between 80,000-120,000 miles. Use only the recommended 0W-20 oil specification.
- Timing belt is the single most important service item
- PCV issues typically emerge between 80,000-120,000 miles
- Use only the recommended 0W-20 oil specification
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