for Discounts / VAT
for Discounts & Correct VAT
Land Rover electrical parts covering modules, sensors, wiring and switching components across Defender, Discovery, Freelander, Range Rover and Series vehicles. From simple Series-era looms to CAN-bus-integrated Discovery 4 and L322 architectures, the right diagnostic approach and the right replacement component matter more here than on any other system.
Front Wiper Blade - the driver's-side front windscreen wiper blade. Fits the driver's-side (right-hand-drive) front wiper arm.
ABS Modulator from the four-wheel anti-lock braking hydraulic circuit. The modulator sits between the master cylinder and the wheel brake circuits...
View full detailsFuel Pump and Sender Unit for the in-tank fuel delivery module, right-hand side. This assembly houses the fuel pump that draws diesel from the tan...
View full detailsHT Ignition Lead - T-Series - No.4 Cylinder - high-tension ignition lead from the ignition coil and HT lead assembly, carrying the secondary igniti...
View full detailsRide Height Sensor for the electronic air suspension system, monitoring rear ride height. The sensor links to the rear suspension arm and reports ...
View full detailsTemperature Sensor - coolant temperature sender within the engine cooling system. It threads into a coolant passage and converts coolant temperatur...
View full detailsSpark plug for the ignition system. The plug threads into the cylinder head and is fired through the HT lead from the ignition coil, delivering th...
View full detailsOil Level Sensor - electronic engine oil level sensor mounted in the wall of the sump, forming part of the engine lubrication monitoring circuit. ...
View full detailsWiper Blade - RH is the right-hand front windscreen wiper blade, fitted to left-hand-drive vehicles.
Ride Height Sensor for the air suspension system, rear left-hand corner, three-pin connector type. The sensor measures the position of the axle or...
View full detailsFront fog lamp bracket, part of the front bumper and radiator grille assembly. Fits the fog lamp aperture in the front bumper and locates the fog ...
View full detailsHeadlamp Assembly is a complete front headlamp unit fitted with adaptive Bi-Xenon (HID) lighting, for the right-hand (RH) side on right-hand-drive ...
View full detailsRide Height Sensor Attachment Kit for the front air suspension ride-height sensor (10MY-type). The ride height sensor reports suspension travel to...
View full detailsRide Height Sensor for the rear axle, part of the electronic air suspension system. The sensor links the vehicle body to the rear suspension arm a...
View full detailsFront Fog Lamp for the front lighting system. Mounted in the front bumper on vehicles equipped with front fog lamps, providing auxiliary low-level...
View full detailsWheel Speed Sensor for the rear axle, part of the Anti-Lock Braking System. The sensor measures the rotational speed of the rear wheel and supplie...
View full detailsIgnition Coil for V6 and V8 petrol engines, mounted directly on the spark plug in a coil-on-plug arrangement. The coil steps up the battery supply...
View full detailsExhaust Gas Temperature Sensor for the diesel particulate filter (DPF) system. Monitors exhaust gas temperature in the after-treatment section and...
View full detailsKit - Key Fob Cover
Oil Pressure Switch Assembly, part of the engine lubrication system. Threaded into the oil gallery, it senses engine oil pressure and signals the ...
View full detailsRide Height Sensor for the electronic air suspension system, monitoring front ride height. The sensor links to the front suspension arm and report...
View full detailsRide Height Sensor for the electronic air suspension system, monitoring rear ride height. The sensor links to the rear suspension arm and reports ...
View full detailsWindow Regulator and Motor - complete front door glass lift assembly, left-hand side. The regulator carries the door glass on a guided rail and ra...
View full detailsRide Height Sensor Attachment Kit for the front air suspension ride-height sensor. The ride height sensor reports suspension travel to the air sus...
View full detailsWindow Regulator & Motor for the front right-hand door, supplied as a combined assembly. The regulator carries the door glass on its lifting m...
View full detailsFuel Injector Pressure Sensor - high-pressure fuel rail sensor in the direct-injection fuel supply circuit. It measures the fuel pressure in the i...
View full detailsExhaust Gas Temperature (EGT) Sensor for the exhaust after-treatment system on the 2.0L I4 diesel. Fitted in the upper position on the front pipe ...
View full detailsD3S xenon headlamp bulb, supplied with its igniter, for headlamp units originally built as bi-xenon or adaptive xenon assemblies. D3S is a mercury...
View full detailsExhaust Gas Temperature Sensor for the 4.4L V8 turbo diesel (SDV8/TDV8) exhaust and after-treatment system. The sensor measures gas temperature in...
View full detailsHeadlamp and Flasher is a front lighting unit that combines the headlamp and the front direction-indicator (flasher) lamp in a single assembly.
Ride Height Sensor for the electronic air suspension system, monitoring front ride height. The sensor links to the front suspension arm and report...
View full detailsFront Door Wiring Harness - driver's side front door harness in the body electrical system. It crosses from the A-post into the door through the h...
View full detailsHeater Blend Stepper Motor is an electric actuator mounted on the heating and air-conditioning housing. It drives an air-blend flap that regulates...
View full detailsJumper Wire Assembly - rear bumper wiring link in the body electrical system, for vehicles equipped with the rear parking aid. It bridges the rear...
View full detailsLambda Sensor - left-hand bank exhaust gas oxygen sensor for the 5.0L AJ133 V8 petrol engine, mounted in the front pipe and catalyst section of the...
View full detailsRear Lamp Assembly for the left-hand side, housing the stop (brake) and flasher (direction indicator) lamps in a single rear light cluster. The un...
View full detailsKey Fob End Cap - Chrome is a chrome-finished end cap for the remote key fob, fitting to the end of the fob housing.
Exhaust Gas Temperature (EGT) Sensor, upper position at the front pipe and catalyst. The sensor measures exhaust gas temperature and reports it to ...
View full detailsTemperature Sensor
Switch - Solenoid Control is a solenoid control switch located on the cylinder head of the 3.2L inline-six petrol engine. Two are fitted per engine.
Exhaust Gas Temperature Sensor for the post-catalyst position in the exhaust after-treatment system of the 2.2L Puma TDCi diesel engine. Installed...
View full detailsFuel pressure sensor for the high-pressure direct injection circuit of the 5.0L V8 petrol engine (AJ133), naturally aspirated and supercharged. Mo...
View full detailsWindscreen Washer Jet forms part of the front windscreen washer system. The jet sprays washer fluid onto the windscreen glass through twin nozzles...
View full detailsExhaust Gas Temperature Sensor for the front position in the exhaust front pipe and catalyst assembly. The sensor threads into the front pipe upst...
View full detailsElectronic Pressure Control Solenoid for the transfer case control circuit. The solenoid is actuated electrically by the vehicle's control module ...
View full detailsSpeed Control Inhibitor Switch - a pedal-actuated switch in the cruise (speed) control circuit. Mounted at the pedal box, it signals the control m...
View full detailsStarter Motor for the engine starting system, mounted at the engine-to-transmission bellhousing. When cranking, the integral solenoid drives the p...
View full detailsRear Wiper Blade for the tailgate wash/wipe system. It mounts to the rear wiper arm and sweeps the rear screen to clear rain and road spray for rea...
View full detailsSystem Overview
Land Rover electrical architecture evolved sharply across two decades. Series vehicles and early Defender models run simple loom-based electrical with discrete switches, relays, and analogue gauges. Discovery 2 and Freelander 1 introduced the first generation of networked control modules. By the Discovery 3 (L319), Range Rover Sport L320, L322, and Freelander 2 (L359), vehicles were running multiple ECUs communicating across CAN bus, with electronic control extending into terrain response, transfer box operation, and stability systems. Discovery 4, Range Rover L405, and later variants pushed integration further into braking, suspension, and powertrain management.
The practical consequence: an electrical fault rarely stays local. A failing ABS module can affect traction control and hill descent behaviour. A body control module problem can cascade into window regulator, lighting, and central locking faults at the same time. A corroded earth or damaged section of loom can trigger fault codes across multiple unrelated systems. Many faults are misdiagnosed on Discovery 3, Discovery 4, and Range Rover models because a single failing component disrupts CAN bus signals across the network.
Understanding which architecture your vehicle uses is the starting point for sourcing the right part.
Failure PatternsSpecific failure patterns repeat across the Land Rover and Range Rover range. These are the categories worth understanding before ordering.
Control module failure is one of the most common issues on higher-mileage vehicles or those exposed to moisture. Discovery 3 and Discovery 4 are both known for ABS module faults, typically presenting as ABS warning lights combined with traction control and hill descent warnings. The Discovery 3 is also prone to CAN bus communication faults, often linked to wiring damage, voltage irregularities, or module failure rather than the network itself, which disrupts the network and produces unrelated fault codes across systems. The L322 has a documented history of instrument cluster failure causing erratic gauges, warning lights, or total cluster loss, and BCM faults that affect central locking, lighting, and window operation across multiple zones.
High-wear sensor components cause running issues across diesel and petrol variants. MAF sensor contamination or incorrect readings can contribute to rough running or limp mode on the Discovery 4 SDV6 and TDV6 and on the Discovery 3 TDV6. Lambda sensor failure affects fuel trim and emissions on diesel and petrol engines. Crankshaft sensors can fail without warning, producing immediate no-start conditions.
Wiring damage stems from rodent damage, engine bay heat cycling, water ingress through bulkhead grommets, and age-related insulation degradation. Freelander 2 is notable for earth strap issues producing seemingly random faults across multiple systems. Defender Classic and Series 3 vehicles regularly need wiring loom repairs or full loom replacement as part of a restoration or reliability programme, and connector and grommet replacement is a common parallel job.
Freelander 2 and Discovery 4 owners regularly encounter immobiliser faults linked to key fob failures or transponder coding issues. The vehicle will not start and the correct replacement components plus dealer-level coding are required to restore function.
Wiper motor and washer pump failures are high-volume electrical repairs on Discovery 3 and Discovery 4. The wiper system is controlled through the body control module, so a BCM fault can disable wipers even when the motor itself is fully functional, which is the reason a "dead wiper motor" is sometimes a working motor with a control problem.
Component Groups| Component type | Typical parts | Failure relevance |
|---|---|---|
| Modules | ABS, BCM, transfer case ECU, instrument cluster | Multi-system faults and warning cascades |
| Sensors | MAF, lambda, crankshaft, coolant temp, ABS | Engine performance, starting, stability |
| Wiring | Repair looms, connectors, earth straps, grommets | Root cause of intermittent and false faults |
| Switching | Window switches, mirror motors, wiper stalks | Localised control failures |
Both models use CAN bus architecture extensively. A multi-system diagnostic scan is advisable before ordering parts because communication faults generate misleading codes in secondary modules. Consider ABS module failure when multiple stability system warnings appear together.
Prone to earth continuity issues producing unpredictable faults. Inspect and clean or replace earth straps before replacing modules. Immobiliser faults are also a known weakness, and key fob component condition should be confirmed before a major electrical component is ordered.
Documented instrument cluster and BCM failure patterns. Wiring integrity and connector condition should be assessed before module replacement on higher-kilometre examples. The BMW M62 V8 petrol and AJ-V8 / TDV8 split across the production run means engine-related sensors vary by variant. Confirm engine code before ordering.
Often need wiring loom work rather than module replacement. Wiring repair kits, grommets, connectors, and earth components are the recurring requirements for restoration and reliability work. Defender Classic engine variants span 200Tdi, 300Tdi, Td5, and 2.4 / 2.2 TDCi Puma, and sensor specifications differ by engine. Engine code confirmation before ordering avoids the most common mis-fit.
Before You OrderElectrical parts have a higher mis-order rate than any other category because faults often have non-obvious root causes. Confirm the following before placing an order.
Most Discovery 3 and Discovery 4 ABS modules require coding to the vehicle using JLR diagnostic software. A direct swap without coding will typically result in continued fault codes and non-functional ABS, traction control, and hill descent. Confirm coding capability with the workshop performing the install before placing the order.
How voltage instability and alternator failure trigger multi-system warnings, and how to diagnose the correct root cause before ordering parts.
Discovery 4 limp mode and alternator electrical faultsL322 documented faults including instrument cluster failure, BCM behaviour, and wiring integrity considerations for higher-kilometre vehicles.
Range Rover L322 common faults and maintenance solutionsEarth strap failure pattern, Haldex behaviour, and the model-specific issues that drive most Freelander 2 electrical diagnoses.
Freelander 2 common faults, fixes and modificationsWiring harnesses, repair looms, connectors, and earth components for restoration and reliability work across Defender Classic, Series, Discovery, and Freelander platforms.
Land Rover cables and wiring partsABS sensors and safety-system components. ABS modules sit in the Electrical Parts collection; ABS sensors and brake-system safety components sit in Safety Parts.
Land Rover safety partsEngine-specific sensors including MAF, crankshaft position, and coolant temperature, organised by engine variant and model.
Land Rover engine partsThe most reliable starting point is a full vehicle diagnostic scan using a Land Rover-compatible tool such as the GAP IIDTool, official Topix Cloud Diagnostics, or a dealer-grade scan tool. A single-module reader is unlikely to identify CAN bus communication faults, which are common on Discovery 3, Discovery 4, and Range Rover models. A full scan shows active and stored codes across all modules and helps determine whether the fault is in a specific component or in the communication network. Accurate diagnosis prevents unnecessary part replacement.
On both models, the ABS module, traction control system, and hill descent control share communication through the CAN bus network. When the ABS module develops a fault, it disrupts signals to related systems and several warning lights illuminate simultaneously. A diagnostic scan is required to confirm the source before ordering parts.
On most Discovery 3 (L319) and Discovery 4 (L319) variants, a replacement ABS module requires programming to the vehicle using JLR diagnostic software. A direct swap without coding will typically result in continued fault codes and non-functional ABS, traction control, and hill descent systems. JLR module programming is managed through the official Topix Cloud diagnostics platform, which independent workshops can access via subscription. Confirm coding capability with the workshop performing the install before placing the order.
On Defender Classic and Series 3 vehicles, wiring faults are usually age-related: degraded insulation, corroded connectors, and lost earth continuity. On Freelander 2 vehicles, earth strap failure is a documented weak point that produces random faults across multiple systems. Across all models, rodent damage to wiring looms is a practical concern for vehicles stored in rural or low-use environments, and full or partial loom replacement is a recurring restoration job on Defender Classic specifically.
There is no universal service life for either component because failure is driven by moisture ingress, voltage events, and connector condition rather than mileage. As a working pattern, ABS module faults on Discovery 3 and Discovery 4 cluster around 150,000 to 200,000 km on European-market examples, and L322 instrument cluster and BCM faults typically appear on vehicles older than 12 to 15 years where the cabin and bulkhead environment has degraded. Inspecting and protecting connectors significantly extends component life.
CAN bus architecture is used extensively on Discovery 3 (L319, 2004 to 2009), Discovery 4 (L319, 2009 to 2016), Range Rover L322 (2002 to 2012), Range Rover L405 (2013 to 2022), Range Rover Sport L320 (2005 to 2013), Freelander 2 (L359, 2006 to 2014), and all later models. Earlier vehicles including Defender Classic, Series 3, Discovery 1, and Discovery 2 use simpler architectures and are diagnosed differently.
Updated: 17 May 2026