TD5 Cylinder Head Parts for Defender & Discovery 2
TD5 cylinder head parts for Defender and Discovery 2, covering components fitted to, housed within or sealing against the cylinder head, including gaskets, bolts, dowels, rocker gear, injectors, seals, glow plugs, manifolds, fuel pressure regulators and related fixings.
Start with the component or job, then check engine specification, Defender or Discovery 2 fitment, original part number, component design, quantity and kit contents. Some cylinder head parts are shared across TD5 engines, while others differ by engine version or vehicle.
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Genuine TD5 Injector Seal Kit ERR6417 ERR7004 – Defender & Discovery 2
Td5 Fuel Pressure Regulator Rebuild Kit – Defender & Discovery 2 Genuine Bosch
Find the right TD5 cylinder head parts
TD5 cylinder head parts extend well beyond the head gasket. This section covers the cylinder head assembly itself, its internal components and the parts mounted directly to it, helping you find everything from head bolts and rocker gear to injectors, manifolds, glow plugs and fuel pressure regulators.
| Job or component | Best place to start | Check before ordering |
|---|---|---|
| Cylinder head removal and refitting | Head gaskets, top gasket sets, cylinder head bolts and steel locating dowels | Head gasket thickness, kit contents, bolt brand and whether all disturbed gaskets and seals are included |
| Cylinder head and internal components | Complete cylinder heads, camshafts, rocker gear, valves, springs and valve stem seals | Engine specification, original part number, component condition and quantity required |
| Rocker cover and cam carrier sealing | Rocker cover gaskets, cam carrier sealing products, plugs and oil seals | The exact joint or leak point and whether the product is a single seal, gasket or complete set |
| Injectors and internal fuel delivery | Injectors, copper washers, injector O-rings, injector harnesses, clamps and retaining parts | Engine specification, injector part number, single or five-injector quantity and included sealing parts |
| Fuel pressure regulator | Complete regulators, regulator gaskets, seals, repair parts and related fixings | Early or late regulator design, pipe layout, original part number and whether a complete assembly or sealing part is required |
| Inlet and exhaust sides | Inlet manifolds, exhaust manifolds, manifold gaskets, studs, nuts and sealing parts | Defender or Discovery 2 fitment, engine specification, manifold type and required fixings |
| Glow plugs and head-mounted components | Glow plugs, sensors, plugs, outlets, washers and seals fitted directly to the cylinder head | Part number, connector or thread type, fitted position and quantity required |
Check TD5 cylinder head fitment before ordering
Defender TD5 and Discovery 2 TD5 engines share many cylinder head components, but not every part is interchangeable. Use the product title, original part number and individual fitment information together, especially where early and late engines use different component designs.
Engine specification
Check the engine number and any early or late engine split shown on the individual product page.
Check the engine number and any early or late engine split shown on the individual product page.
Defender or Discovery 2
Many parts are shared, but manifolds, external fittings and some head-mounted components can differ between the two vehicles.
Many parts are shared, but manifolds, external fittings and some head-mounted components can differ between the two vehicles.
Part number and component design
Match the original part number, pipe layout, connector, fitted position or visible component design where a genuine split exists.
Match the original part number, pipe layout, connector, fitted position or visible component design where a genuine split exists.
Quantity and kit contents
Check whether the product covers one component, a complete engine set or a kit containing several related seals and fixings.
Check whether the product covers one component, a complete engine set or a kit containing several related seals and fixings.
Head gaskets, bolts and cylinder head refitting
Head gasket replacement begins with the correct 1 hole, 2 hole or 3 hole gasket thickness. New stretch bolts should be fitted when the cylinder head is refitted, while steel locating dowels replace the original plastic dowels. Top gasket sets can bring several sealing parts together, but the exact contents must still be checked against the parts disturbed during the job.
Injectors, rocker gear and head-mounted components
The TD5 cylinder head also carries the unit injectors, injector harness, rocker gear, glow plugs, manifolds and fuel pressure regulator. Injector removal normally involves new copper washers and O-rings, while work on the rocker cover, cam carrier, manifolds or regulator requires the correct gaskets and sealing parts for the component being removed.
Genuine, OEM and selected TD5 cylinder head parts
Individual product pages identify the manufacturer and quality level where that information is available. Compare the stated brand, part number, included components and fitment rather than treating every gasket, bolt kit, injector part or internal component as equivalent.
| Part type | How it is shown on Twinwoods 4x4 |
|---|---|
| Genuine Land Rover | Genuine components are identified as Genuine Land Rover where supplied through the Land Rover parts system. |
| OEM or OE-supplier | OEM and OE-supplier parts are identified where the manufacturer and product information support that status. |
| Branded replacement | Branded replacement parts identify the manufacturer so components can be compared properly before ordering. |
| Selected replacement | Selected replacement parts cover components where Genuine or OEM supply is not required or has not been stated. |
Related TD5 parts sections
| Section | Use it for |
|---|---|
| TD5 head gaskets | Direct comparison of the Elring OEM 1 hole, 2 hole and 3 hole head gaskets |
| TD5 cylinder head bolt kits | Comparing complete TD5 stretch-bolt sets by manufacturer and quality level |
| TD5 injector seal kits | Copper injector washers and injector O-rings for one injector or all five |
| TD5 fuel system parts | Fuel pressure regulators, injectors and related fuel-system components beyond the cylinder head itself |
| Defender TD5 engine parts | Other engine parts, service components, sensors, gaskets and supporting parts for Defender TD5 |
| Discovery 2 TD5 engine parts | Other engine parts, service components, sensors, gaskets and supporting parts for Discovery 2 TD5 |
