The Volvo B 4154 T5 is a 1,498 cc, inline‑four turbocharged petrol engine produced between 2014 and 2018. It features an aluminium block and head, double overhead camshafts (DOHC), and direct fuel injection. In standard form, it delivered 180 kW (245 PS) and 350 Nm of torque, providing strong performance from a compact displacement through turbocharging and advanced engine management.
Fitted to models such as the V40 Cross Country, S60, V60, and XC60 during this period, t…
Production years 2014–2018 meet Euro 6 standards .
The Volvo B 4154 T5 is a 1,498 cc inline‑four turbocharged petrol engine engineered for premium compact and mid-size models (2014-2018). It combines an aluminium block with DOHC and direct injection to deliver responsive, efficient performance. Designed to meet Euro 6 emissions standards, it balances high specific output with regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,498 cc | |
Fuel type | Petrol | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 79.0 mm × 76.4 mm | |
Power output | 180 kW (245 PS) @ 5,500 rpm | |
Torque | 350 Nm @ 1,500–4,800 rpm | |
Fuel system | Direct injection (Volvo VEP system) | |
Emissions standard | Euro 6 | |
Compression ratio | 10.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single turbocharger (Mitsubishi Heavy Industries) | |
Timing system | Belt-driven camshafts | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 125 kg |
The Volvo B 4154 T5 was used across Volvo's SPA and V40 platforms with transverse mounting. This engine received platform-specific adaptations-minor variations in turbo routing and engine mounts between hatchback and SUV body styles. All adaptations are documented in OEM technical bulletins.
Engine Finders UK Ltd, which operates EngineCode.uk, can pass your enquiry to engine suppliers in the UK. The service is for vehicles in the United Kingdom, with UK delivery or fitting. This is a commercially connected service, and sending an enquiry does not confirm diagnosis or compatibility.
Diagnostic reminder: If a technician has recommended replacing the engine, you can send an enquiry to engine suppliers in the UK. Confirm the diagnosis first: an engine-code record does not diagnose a fault.
Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.
Analysis derived from Volvo technical bulletins (2014-2018) and Volvo Owners Club failure surveys (2018-2023). Repair procedures should follow manufacturer guidelines.
The most common questions about engine codes, what they mean, how to find them and how this database works
The B 4154 T5 offers strong performance and efficiency but requires diligent maintenance. The primary concern is the timing belt tensioner, addressed in SB-16-042. With timely tensioner replacement, correct 0W-20 oil changes every 15,000 km, and periodic intake cleaning, the engine can be very reliable long-term.
The most frequent issues are timing belt tensioner pulley wear (SB-16-042), direct injection carbon buildup on intake valves, and turbocharger actuator faults. Oil leaks from the valve cover and turbo connections are also common. These are well-documented in Volvo's service literature.
The B 4154 T5 was used in the Volvo V40 Cross Country (2014-2018), S60 (2015-2018), V60 (2015-2018), and XC60 (2015-2017). It was the high-performance 1.5L turbo option in these models, positioned below the larger 2.0L T5 and T6 engines.
Yes. The B 4154 T5 responds well to ECU remapping, with safe gains of 20-30 kW and 50-70 Nm achievable on stock hardware. Supporting modifications like a high-flow air filter and downpipe can yield further gains. Always ensure the timing belt and tensioner are in good condition before tuning.
Fuel economy is good for its performance. Expect around 8.5-10.5 L/100km (27-33 mpg UK) in mixed driving for a well-maintained S60 T5. Highway cruising can yield closer to 6.5 L/100km (43 mpg UK). Economy is heavily dependent on driving style and maintenance condition.
Yes. The Volvo B 4154 T5 is an interference engine. If the timing belt were to fail or jump, the pistons will contact the valves, causing severe internal engine damage. This makes adherence to the timing belt replacement schedule absolutely critical.
Volvo specifies SAE 0W-20 oil meeting Volvo VCC RBS0-2AE02 specification. This low-viscosity oil is crucial for protecting the turbocharger bearings and ensuring proper lubrication of the timing belt tensioner. Using the correct oil is non-negotiable for engine longevity.
Comprehensive technical documentation and regulatory references
EngineCode.uk is operated by Engine Finders UK Ltd. It provides engine-reference information and an optional commercial enquiry service. It is not an official manufacturer website. Check the record's sources and confirm vehicle-specific details before relying on it for parts, repairs or replacement.
Our editorial standard prioritises relevant manufacturer documentation and official regulatory sources. The sources and verification status for a record should be checked alongside the data.
A statement is not verified merely because a source is listed. Where supporting evidence is missing or conflicting, the record should identify that limitation. Please report unsupported or inconsistent information.
Transparency in gaps
A missing or unverified value does not mean the manufacturer has withheld it. We distinguish information not yet verified, information not available to us, and information explicitly not disclosed by the source.
Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
EUR-Lex
EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
GOV.UK: Vehicle Approval & V5C
UK vehicle approval processes, import rules, and MoT guidance.
DVLA: Engine Changes & MoT
Official guidance on engine swaps and inspection implications.
Vehicle Certification Agency (VCA)
UK type-approval authority for automotive products.
Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
WLTP and RDE testing procedures for emissions certification.
GOV.UK: Vehicle Approval
UK compliance and certification requirements for imported and modified vehicles.
VCA Certification Portal
Type-approval guidance and documentation.
Records are subject to review and correction. Source links, dates and verification notes should be read with the technical information. Our Editorial and Sourcing Policy explains our standards and review process.
Found an error or missing source? Report a problem with this page. Include the field or statement concerned and a supporting source if available. You can also email corrections@enginecode.uk.
Copyright and permissions
Images and other material may be protected by copyright. Attribution does not by itself grant permission to reuse material. If you believe material on this site infringes your rights, contact copyrights@enginecode.uk with the page URL and details of your claim. We will review the material and take appropriate action.
Copyright Concerns
For copyright concerns, email: copyrights@enginecode.uk
Our Privacy Policy explains how Engine Finders UK Ltd uses information from visits, vehicle lookups, enquiries and messages. Our Cookie Policy explains cookies and similar technologies and how to change your choices.
For access, correction, or deletion requests, email: gdpr@enginecode.uk
Trademark Notice
All trademarks, logos, and engine codes are the property of their respective owners. Use on this site is strictly for reference and identification.
Ownership and commercial services
EngineCode.uk is owned and operated by Engine Finders UK Ltd. Alongside our reference content, we offer an optional replacement-engine enquiry service through Engine Finders and may identify relevant services provided by businesses connected with us. These commercial connections are disclosed. Using an enquiry service is not required to read our reference content.
Engine Finders UK Ltd operates this website. Our optional enquiry service has a commercial purpose. Our Ownership and Commercial Disclosure explains the relationship between the reference website and that service. Participating suppliers pay a fee or subscription to participate on the network and receive quote requests.
Use this record as a starting point for identification. Specifications and vehicle applications may contain errors or omissions. Confirm the exact engine variant and compatibility using vehicle-specific documentation and a qualified supplier or technician.
All external links open in new tabs. Please verify current availability of resources.