TD5 Fuel Pressure Regulators & Repair Parts
TD5 fuel pressure regulators and repair parts for Defender and Discovery 2, including early 1-pipe and later 2-pipe complete assemblies, a Genuine Bosch rebuild kit, a block-only replacement and the late regulator repair hose.
Identify whether the engine uses the early 10P/11P 1-pipe or later 15P/16P 2-pipe arrangement before ordering. The rebuild kit contains both gasket patterns, but complete regulator assemblies, block-only replacements and the repair hose must still match the correct regulator layout.
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TD5 Fuel Pressure Regulator Rebuild Kit – Genuine Bosch
Find the right TD5 fuel pressure regulator parts
The correct repair depends on the regulator layout and the part that has failed. Complete assemblies replace the regulator housing, while the Bosch rebuild kit retains a serviceable housing and the late repair hose replaces only the external hose section.
| Repair required | Best place to start | Check before ordering |
|---|---|---|
| Replace an early regulator assembly | LR016319 Genuine Land Rover or LR016319G replacement regulator | Early 10P/11P engine with the 1-pipe regulator arrangement |
| Replace a late regulator assembly | LR016318 Genuine Land Rover or LR016318G complete regulator | Later 15P/16P engine with the 2-pipe regulator arrangement and the exact included hose parts |
| Replace the late regulator block only | LR016318GR late 2-pipe regulator block | Supplied without fuel hoses; includes the gasket and fuel temperature sensor |
| Rebuild a serviceable regulator housing | Genuine Bosch fuel pressure regulator rebuild kit | The housing and pipework must remain serviceable; the kit includes both early and late gasket patterns |
| Replace a split late regulator hose | 15P/16P fuel pressure regulator repair hose | Late 2-pipe fitment only; supplied with new O-rings but not the complete regulator assembly |
Check the regulator layout before ordering
Early 1-pipe regulator
Early 10P and 11P TD5 engines use the LR016319 regulator arrangement. Do not order it from the vehicle model alone.
Early 10P and 11P TD5 engines use the LR016319 regulator arrangement. Do not order it from the vehicle model alone.
Late 2-pipe regulator
Later 15P and 16P engines use the LR016318 arrangement, with complete assemblies, a block-only replacement and a separate hose repair available.
Later 15P and 16P engines use the LR016318 arrangement, with complete assemblies, a block-only replacement and a separate hose repair available.
Complete assembly or rebuild
A rebuild kit retains the existing housing. Replace the complete regulator where the housing, connections or other parts of the assembly are damaged or unsuitable for reuse.
A rebuild kit retains the existing housing. Replace the complete regulator where the housing, connections or other parts of the assembly are damaged or unsuitable for reuse.
Confirm the leaking fluid
Diesel leaking from the regulator can run down the rear of the engine and appear near the bellhousing, where it may initially be mistaken for an engine-oil leak.
Diesel leaking from the regulator can run down the rear of the engine and appear near the bellhousing, where it may initially be mistaken for an engine-oil leak.
Complete regulators and repair choices
| Product type | What it provides |
|---|---|
| Genuine Land Rover assembly | Complete factory-branded regulator assembly for the stated early or late TD5 pipe layout. |
| Replacement regulator assembly | Complete early or late regulator replacement, identified by part number, engine type and quality level on the product page. |
| Late regulator block | Replacement regulator body for the 15P/16P arrangement, supplied without the external fuel hoses. |
| Genuine Bosch rebuild kit | Bosch regulator, connector O-rings, cylinder-head O-ring and both early and late regulator gaskets for rebuilding a serviceable housing. |
| Late repair hose | Replacement external hose and O-rings for a split or deteriorated hose on the later 15P/16P setup. |
Related TD5 fuel system sections
| Section | Use it for |
|---|---|
| TD5 fuel system parts | Fuel pumps, filter housings, pipework, injector seals, fuel coolers and wider TD5 fuel-system components. |
| Defender fuel system parts | Defender-specific pumps, pipes, tanks, filler parts and fuel-system components. |
| Discovery 2 fuel system parts | Discovery 2 pumps, pipes, filter-housing parts and other vehicle-specific fuel components. |
| TD5 fuel pressure test kit | Check fuel pressure at the regulator before replacing parts where the fault is not yet confirmed. |
