TD5 Oil-in-Loom Repair Parts
TD5 oil-in-loom repair parts for Defender and Discovery 2, including aftermarket and OE-quality injector harnesses, replacement harness O-rings, early and late rocker cover gaskets and electrical cleaner for contaminated connectors.
Start with the injector loom, then check the two connector O-rings and the rocker cover gasket disturbed during removal. Early 10P/11P engines use the ERR7094 gasket, while later 15P/16P engines and TD5 engines fitted with an AMC cylinder head use LVP000020.
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Find the right TD5 oil-in-loom parts
Engine oil can travel through the injector wiring harness and reach the external engine loom and ECU red connector. Replacing the internal injector loom deals with the source, while oil already inside the external harness may continue to reach the connector and require further cleaning.
| Repair job | Best place to start | Check before ordering |
|---|---|---|
| Replace the injector harness | AMR6103 aftermarket loom or AMR6103G OE-quality loom | Compare the stated quality level and warranty; both fit Defender TD5 and Discovery 2 TD5 |
| Reseal the loom connector | NYX100080 injector harness O-rings | Two O-rings are required for each AMR6103 injector loom |
| Renew an early rocker cover gasket | ERR7094G gasket for 10P/11P engines | Confirm the engine retains the standard early cylinder-head and rocker-cover arrangement |
| Renew a late rocker cover gasket | LVP000020G selected replacement or LVP000020 Victor Reinz gasket | For 15P/16P engines and TD5 engines fitted with an AMC cylinder head |
| Clean contaminated connectors | Brake, clutch and electrical cleaner | Clean the injector-loom connection, external harness plugs and ECU red connector as required |
Check the parts disturbed during loom replacement
Injector loom choice
AMR6103 is the standard aftermarket replacement. AMR6103G is the OE-quality alternative supplied with a two-year warranty.
AMR6103 is the standard aftermarket replacement. AMR6103G is the OE-quality alternative supplied with a two-year warranty.
Two connector O-rings
The injector loom uses two NYX100080 O-rings. Check that both are present and serviceable when fitting the replacement harness.
The injector loom uses two NYX100080 O-rings. Check that both are present and serviceable when fitting the replacement harness.
Early or late gasket
Match the rocker cover gasket to the engine and cylinder head. Early 10P/11P and later 15P/16P arrangements use different gasket patterns.
Match the rocker cover gasket to the engine and cylinder head. Early 10P/11P and later 15P/16P arrangements use different gasket patterns.
Oil remaining in the external loom
Replacing the internal injector harness does not instantly remove oil already inside the external wiring. The ECU connector may need cleaning more than once.
Replacing the internal injector harness does not instantly remove oil already inside the external wiring. The ECU connector may need cleaning more than once.
Injector loom and gasket choices
| Product | Main distinction |
|---|---|
| AMR6103 injector loom | Direct-fit aftermarket replacement supplied as the injector harness only, with no coding or modification required. |
| AMR6103G injector loom | OE-quality direct-fit harness supplied with a two-year warranty. |
| ERR7094G rocker cover gasket | Victor Reinz or Elring OEM-quality gasket for early 10P/11P engines. |
| LVP000020G rocker cover gasket | Selected good-quality late gasket used by Twinwoods for 15P/16P and AMC-head fitment. |
| LVP000020 Victor Reinz gasket | Victor Reinz branded late gasket for the same 15P/16P and AMC cylinder-head arrangement. |
Related TD5 engine sections
| Section | Use it for |
|---|---|
| Defender TD5 engine parts | Injector harnesses, rocker-cover parts, sensors, gaskets and wider Defender TD5 engine components. |
| Discovery 2 TD5 engine parts | Injector harnesses, rocker-cover parts, sensors, gaskets and wider Discovery 2 TD5 engine components. |
| TD5 engine oil leak gaskets and seals | Rocker-cover, camshaft, crankshaft, sump and oil-housing sealing parts. |
| Workshop consumables and chemicals | Electrical cleaner, degreasers and other chemicals used during engine and electrical repair work. |
| TD5 parts hub | Move into the wider TD5 engine, fuel, cooling, servicing and performance product groups. |
