Description
Mercedes-Benz OM612 Cylinder Head Semi-Assembly – Valves Pre-Installed
This OM612 cylinder head semi-assembly is a brand new, factory-fresh cylinder head built to OEM standards. It comes with the valve train components pre-installed, including intake and exhaust valves, valve springs, valve stem seals, spring seats and retainers. You simply transfer your existing camshafts, hydraulic lifters, rocker arms (if applicable) and external accessories from your old head – saving time and labour during installation.
The OM612 is a well-known 2.7-litre 5-cylinder common-rail turbo diesel engine used in numerous Mercedes-Benz commercial vehicles and passenger cars, as well as the Jeep Grand Cherokee 2.7 CRD. This head is manufactured to exact original tolerances and pressure-tested for reliable, long-lasting performance.
What’s Included – Cylinder Head Semi-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
- 20 valves – intake and exhaust valves, heat-resistant
- Valve springs, spring seats and retainers
- Valve stem seals (already fitted)
- Valve guides (pressed in)
- Core plugs and oil gallery plugs (installed)
- Valve clearances pre-set where applicable
Note: This is a semi-assembly, so the following components are NOT included and must be transferred from your original cylinder head or purchased separately:
- Camshafts (intake and exhaust)
- Hydraulic lifters / tappets
- Rocker arms / cam followers (if applicable)
- Valve cover / rocker cover
- Timing chain, tensioner and guides
- Fuel injectors and glow plugs
- Intake and exhaust manifolds
- Turbocharger
- All external sensors and actuators
Vehicle Compatibility
The OM612 2.7L diesel engine was fitted to a wide range of Mercedes-Benz and Jeep models. Always verify your engine code and OEM part number before purchase. Common applications include:
- Mercedes-Benz Sprinter (W901–W905) – 208 CDI, 211 CDI, 213 CDI, 216 CDI, 308 CDI, 311 CDI, 313 CDI, 316 CDI, 408 CDI, 411 CDI, 413 CDI, 416 CDI
- Mercedes-Benz C-Class (W203) – C 270 CDI
- Mercedes-Benz E-Class (W210/W211) – E 270 CDI
- Mercedes-Benz M-Class (W163) – ML 270 CDI
- Mercedes-Benz G-Class (W463) – G 270 CDI
- Jeep Grand Cherokee 2.7 CRD (WJ/WG, 2001–2005)
- Other vehicles equipped with the OM612 engine (confirm via OEM number)
Technical Specifications
| Engine Code | OM612 |
| Displacement | 2.7 Litre (2685 cc) |
| Configuration | Inline 5-cylinder, DOHC 20-valve |
| Fuel Type | Diesel |
| Valvetrain | Double overhead camshaft, 4 valves per cylinder |
| Condition | Brand New – Cylinder Head Semi-Assembly |
| OEM Part Numbers | AMC 908578 / Jeep 050800025AA, 05171546AA / Mercedes-Benz 6120101420, 6120102020, 6120102080, 6120103220, 6120103520 |
| Warranty | 18 months |
Why Choose This OM612 Cylinder Head Semi-Assembly
- 100% brand new – never reconditioned or repaired
- Pressure-tested for leaks and cracks
- OEM-grade materials and exact machining tolerances
- Pre-installed valves 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 Mercedes OM612 cylinder head for sale or a replacement head with valves pre-installed, this semi-assembly 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 Mercedes and BMW.
- Need help? Contact us directly on WhatsApp for fast compatibility checks and shipping quotes.
Additional Technical Resources
- Mercedes-Benz OM612 engine on Wikipedia – technical background.
- OM612 engine specifications at engine-specs.net – detailed data.










