Description
Renault B4D Cylinder Head Assembly – Valves & Camshafts Pre-Installed
This B4D cylinder head assembly is a brand new, factory-fresh cylinder head built to OEM standards. It comes with the complete valvetrain pre-installed, including intake and exhaust valves, valve springs, camshafts, hydraulic lifters and all related internal components. You simply transfer your existing external parts – saving significant time and labour during installation.
The B4D is a 1.0-litre 3-cylinder petrol engine developed by the Renault-Nissan-Mitsubishi Alliance and Daimler, commonly found in compact city cars such as the Renault Twingo III and Smart Forfour. This head is manufactured to exact original tolerances and pressure-tested for reliable, long-lasting performance.
What’s Included – Complete Cylinder Head Assembly
This listing is for the cylinder head with the following components pre-installed and ready to use:
- Cylinder head casting – precision-machined, pressure-tested
- 12 valves – intake and exhaust valves, heat-resistant (4 per cylinder)
- Valve springs, spring seats and retainers
- Valve stem seals (already fitted)
- Valve guides (pressed in)
- Camshafts – intake and exhaust (DOHC)
- Hydraulic lifters / tappets (pre-installed)
- Camshaft bearing caps and bolts (torqued to specification)
- Core plugs and oil gallery plugs (installed)
- Valve clearances pre-set – no manual adjustment required
Note: This is a cylinder head assembly, so the following external components are NOT included and must be transferred from your old head or purchased separately:
- Valve cover / rocker cover
- Timing chain, tensioner and guides
- Fuel injectors and ignition coils
- Intake and exhaust manifolds
- Camshaft sensors, actuator solenoids and wiring
Vehicle Compatibility
The B4D 1.0L petrol engine was fitted to a range of Renault and Smart models. Always verify your engine code and OEM part number before purchase. Common applications include:
- Renault Twingo III – 1.0 SCe 70
- Smart Forfour (W453) – 1.0
- Smart Fortwo (W453) – 1.0 (select markets)
- Other vehicles equipped with the B4D engine (confirm via OEM number)
Technical Specifications
| Engine Code | B4D |
| Displacement | 1.0 Litre (999 cc) |
| Configuration | Inline 3-cylinder, DOHC 12-valve |
| Fuel Type | Petrol / Gasoline |
| Valvetrain | Double overhead camshaft, hydraulic lifters |
| Condition | Brand New – Cylinder Head Assembly |
| OEM Part Number | Renault 11041-00Q3L |
| Warranty | 18 months |
Why Choose This B4D Cylinder Head Assembly
- 100% brand new – never reconditioned or repaired
- Pressure-tested and vacuum-tested for leaks
- OEM-grade materials and exact machining tolerances
- Pre-installed valves and camshafts save hours of fitting time
- Comes with an 18-month warranty for peace of mind
- Packed in a reinforced crate for safe international freight
- Fast global shipping to port or door
If you need a Renault B4D cylinder head for sale or a complete replacement head assembly, this unit gives your engine a factory-fresh start. Order now for a reliable, direct-fit solution.
More Cylinder Heads & Quick Contact
- Browse more cylinder heads: View our complete cylinder head catalog for Renault.
- Need help? Contact us directly on WhatsApp for fast compatibility checks and shipping quotes.
Additional Technical Resources
- Renault Twingo on Wikipedia – vehicle background.
- B4D engine specifications at engine-specs.net – detailed data.
