| Engine oil & filter | Petrol 5.0 V8 / 3.0 V6 SC: 0W-20 to STJLR.51.5122 (the launch handbook listed 5W-20 to WSS-M2C925-A), 8.0 L for the V8 · TDV6/SDV6 (DPF): 5W-30 to STJLR.03.5005 / WSS-M2C934-B, 6.0 L · SDV8 (DPF): same spec, 9.4 L | Then every 10,000 mi or sooner (owner practice); confirm in manual for the factory schedule | The DPF diesels are fussy about oil, so only use oil approved to STJLR.03.5005. Don't overfill the SDV8: put in about 8.5 L, wait, then top up using the electronic level check.Genuine oil filter kit LR011279 (5.0 V8 / 3.0 V6 SC) · FCP Euro ↗Oil change kit: filter + drain plug (5.0 V8 / 3.0 V6 SC) · Lucky8 ↗Genuine 3.0 V6 diesel oil filter LR013148 (the filter used in FullFatRR's L405 TDV6 guide) · Lucky8 ↗ |
| Engine air filters | LR011593 (two elements on the V8) | Then every oil service if you run dirt roads; confirm in manual | Two elements on the V8. Replace both.Air filter set x2 LR011593 · Lucky8 ↗Mann air filter LR011593 · Lucky8 ↗ |
| Cabin (pollen) filter | LR036369 | Then annually | Mahle pollen / cabin filter LR036369 · Lucky8 ↗ |
| Spark plugs (petrol) | 5.0 V8: set of 8 (LR032080 in Britpart's kit DA6099) | confirm in manual | Supercharged V8s with no proof of plugs get them now. Check the coil packs and plug-well seals while you're there.Spark plug set of 8 (5.0 V8, L405) · Lucky8 ↗Britpart 5.0 V8 service kit DA6099 (plugs, filters, drain plug) · Lucky8 ↗ |
| Coolant | 1:1 Havoline XLC antifreeze and water · refill 6.83 L (5.0 NA), 8.83 L (5.0 SC), 8.93 L (V6 diesel), 7.13 L (V8 diesel) | Change if the history is unknown; then confirm in manual | On the 5.0 SC, unexplained coolant loss usually means the plastic pipes under the supercharger (see the repair above), not the radiator.ARC050 aluminium coolant pipe kit (5.0 SC) · Lucky8 ↗L405 coolant / antifreeze (search) · Atlantic British ↗ |
| ZF 8HP70 transmission | Shell ATF L12108 · Land Rover lists it as 'filled for life' | Lucky8 recommends fluid and filter every 50,000–75,000 mi, sooner if you tow | The filter is built into the pan (LR065238), so a service means a new pan. Drain and refill, then level-check at the specified temperature with a scan tool. Don't flush.ZF 8-speed service kit DA3383 (LR065238 pan/filter + fluid + plugs) · Lucky8 ↗LR065238 transmission pan with integral filter and bolts · Lucky8 ↗ |
| Transfer box | Shell TF 0753 (TL 7300), 1.5 L | Then every 60,000 mi (owner practice) | Use only TF 0753-spec fluid: the centre clutch depends on its friction modifiers. Put in a measured fill. Replace the M16 drain/fill washers (IYF500030).Rock Oil TF 0753-type transfer fluid IYK500010, 1 L · Lucky8 ↗Transfer fluid set of 2 IYK500010 · Lucky8 ↗ |
| Front & rear differentials | Front: Castrol SAF-XO, 0.54 L wet fill · Rear non-locking: SAF-XO, 0.85 L · Rear electronic locker: Castrol BOT 720, 1.25 L | Then every 60,000 mi (owner practice) | These are much smaller fills than the L322 figures you'll find on forums. Use the L405 numbers. The electronic locker takes its own fluid.Castrol SAF-XO-spec 75W-90 GL5, 1 qt (LRN7591) · Lucky8 ↗Castrol BOT 720 e-locker fluid (search) · Atlantic British ↗ |
| Dynamic Response hydraulic fluid | Texaco Cold Climate PAS fluid 33270 (V8 diesel and V8 SC with Dynamic Response) | Check level and look for leaks at purchase | Trucks with Dynamic Response have hydraulic active anti-roll bars. Leaks at the bar actuators or valve block are expensive, so look for them before you buy.Dynamic Response / PAS fluid (search) · Atlantic British ↗ |
| Brake fluid & pads | Shell DOT4 ESL, or low-viscosity DOT4 to ISO 4925 class 6 and LRES22BF03 | Change at purchase if undated; then confirm in manual | Check pad and rotor thickness at all four corners. Heavy trucks with big wheels eat rear pads.Akebono rear brake pad set EUR1692B (Range Rover 2013–22) · FCP Euro ↗Brembo front brake pad kit LR138646BR · Lucky8 ↗ |
| Air suspension health check | Compressor, struts, height sensors | At purchase, then whenever a corner sits low after standing | Measure each corner after the truck has stood overnight and listen for the compressor running too often. Front struts are the common failure (see the repair above).Arnott P-3731 air suspension compressor (L405 / L494) · Shock Warehouse (Arnott) ↗Arnott RH-5168 front ride height sensor (L405) · Shock Warehouse (Arnott) ↗Arnott A-3025 rear air spring (L405) · Shock Warehouse (Arnott) ↗ |
| Main & auxiliary batteries | Main battery plus an AGM auxiliary stop/start battery (LR047630 / LR176847) | Load-test both at purchase | Weak batteries cause phantom faults on the L405. Register any new battery with a scan tool so the battery-management system uses the right charge strategy.AGM auxiliary stop/start battery LR047630 / LR176847 · Lucky8 ↗GAP IIDTool BT G4 (BMS registration, service resets) · Lucky8 ↗ |
| Supercharger isolator & timing-chain listen (5.0 SC) | Cold-start listen and a scan for P0016–P0019 | At purchase | A cold-start rattle or cam-timing codes point to the timing chains. A rattle at idle points to the supercharger isolator. Know which before you buy.Supercharger 5.0 repair kit LR088564 · Lucky8 ↗ |