TESLA Car Parts

Build date and variant are primary part numbers

Model 3, S, X and Y can receive running hardware changes without a conventional annual facelift. VIN and visible model wording narrow the application, but build date, driven axles, battery/drive-unit label and installed component remain essential.

Record wheel and brake option, suspension type, market and low-voltage architecture. Photograph connectors and routing before removal, but never expose a high-voltage connector merely to identify it.

Variant evidence must agree across the vehicle

Rear- and dual-motor layouts alter chassis parts

A rear-drive vehicle has no front drive unit, while dual-motor variants add motor, inverter, shafts and mass at the front. Springs, dampers, hubs, half-shafts, cooling and undertrays can therefore differ even within one body.

Performance or large-wheel packages can change brakes and tyres. Do not use acceleration or badge wording as the fitment key; read build and component data.

Traction voltage is hazardous after the screen goes dark

Power-down on the touchscreen changes vehicle state but is not a workshop isolation. Capacitors and the battery can retain energy, contactors may be commanded and remote access can wake systems. Control keys, phones and charging leads.

Only appropriately trained personnel should execute the exact build-specific shutdown, secure the service disconnect, wait the stated interval and verify absence of voltage with rated equipment. Observe personal protective and lockout requirements.

Low-voltage disconnection is one step, not proof

Different Tesla builds use different low-voltage battery arrangements. Removing that supply may prevent normal contactor commands but does not establish that every high-voltage conductor is de-energised. Test according to service information.

Battery condition changes workshop and recovery controls

Jacking points protect the floor-mounted pack

The battery pack occupies a broad underbody area. Use published lift points and suitable pads, verify arm clearance and disable self-levelling behaviour where required. Do not jack under the pack, sills outside reinforced locations or aeroshields.

Inspect lift points after incorrect workshop handling. A crushed enclosure, torn fastener or coolant seep is not cosmetic. Secure the vehicle against rolling because electric drive can produce torque without engine noise.

Thermal systems differ by build

Battery, drive units, inverter and cabin conditioning exchange heat through pumps, valves, radiators, chillers and, on some versions, a heat-pump arrangement. Other builds use different heaters and plumbing. Trace the circuit before replacing a pump or hose.

Use the exact coolant and vacuum-fill/bleed process. Diagnostic valve and pump activation may be required. Air locks can reduce battery or motor cooling without an obvious engine-temperature gauge.

Refrigerant work can affect battery cooling

Air-conditioning may contribute directly to traction-battery temperature control. Refrigerant type, oil and charge quantity follow the under-bonnet label and build-specific procedure. Incorrect charge can compromise cabin and battery thermal performance.

Recovery and charging require qualified equipment; do not vent refrigerant. High-voltage electric compressors require formal isolation and compatible lubricant that preserves electrical insulation.

Drive-unit lubricant is not ordinary gearbox oil

Electric motors use reduction gears, bearings and a differential in a model-specific assembly. Fluid type, filter/screen, quantity and fill point vary by drive unit. A universal gear oil can be incompatible with electric-machine materials or pumping.

Noise can originate from tyres, wheel bearings, half-shafts, motor bearings or gears. Compare speed/load correlation and lift measurements. Do not open a drive unit before high-voltage isolation and cleanliness controls.

Electronically blended braking retains hydraulics

Regeneration slows the vehicle through drive motors, while an electronically assisted hydraulic system commands friction braking and stability functions. The driver still depends on fluid, hoses, calipers, discs and pads when regeneration is limited or an emergency occurs.

Use the prescribed service mode, power state and bleed routine. Pumps or actuators can create pressure unexpectedly. Never treat the brakes as a dry wire-only system or retract electronic parking mechanisms by random applied voltage.

Low friction-brake use can hide corrosion

Strong regenerative use may leave discs lightly swept, especially on inner faces. Inspect thickness, rust, cracking, pad movement, caliper slides and parking brake physically. A clean outer disc is insufficient.

Use the specified brake fluid and replace contaminated friction material. After service, verify hydraulic braking and blending in a controlled manner without trying to provoke assistance on public roads.

Air suspension stores pressure and changes alignment

Equipped Model S and X variants use compressors, reservoirs, valve blocks, air springs and height sensors according to generation. A low corner can result from the bag, line, valve, sensor, wiring or linkage.

Command the correct jack/service mode, support the body independently and depressurise through the service procedure. After repair, calibrate ride height and check wheel alignment, headlamp aim and camera attitude.

Steel-spring suspension still needs build accuracy

Model 3 and Y applications can differ by spring, damper, control arm, knuckle, bushing and anti-roll bar with build date and driven axles. Wheel or performance packages add another split. Compare labels and dimensions.

Inspect bushes under load, ball joints, subframes and inner tyre shoulders. Tighten bonded joints at defined position and complete four-wheel alignment after arms, springs or steering work.

Tyres must carry mass and torque

Use approved size, load index, speed rating and construction. Acoustic foam or EV labelling does not by itself establish compatibility. Front/rear sizes can differ, and a wheel's diameter does not prove load capacity or brake clearance.

Set cold pressures and inspect inner shoulders for wear. High torque, mass and alignment error can damage a tyre quickly. Replace any casing with exposed cord, sidewall impact or unsafe repair before driving.

Low-voltage testing should match its chemistry

Accessory batteries vary across builds. Use the correct test and charging strategy for its voltage and chemistry. A conventional charger applied to an incompatible low-voltage battery can damage it or controllers.

Measure loaded supply, terminal security and DC-DC output before replacing modules. Preserve diagnostic information because loss of low-voltage power can erase transient evidence or prevent controlled shutdown.

Cameras require calibration after geometry changes

Windscreen, camera, body, steering and suspension work can alter the visual reference used by assistance systems. Restore correct glass, brackets, ride height, tyre pressure and wheel alignment before calibration.

A live camera image does not prove geometric accuracy

Communication and video can appear normal while aim is outside tolerance. Follow the specified calibration drive or target process and assume assistance is unavailable whenever the system reports a fault.

Faults should be triaged by energy and control

Close the repair without leaving the vehicle awake

1. Identify model, VIN, build date and propulsion variant.
2. Record battery, drive-unit, low-voltage and option labels.
3. Control keys, phone access, charging and wake sources.
4. Isolate high voltage and prove dead where the boundary is entered.
5. Use approved lift points, fluids and replacement fasteners.
6. Restore aeroshields, cooling ducts, seals, clips and grounds.
7. Vacuum-fill/bleed thermal and brake systems as specified.
8. Initialise suspension, steering, windows and tyre monitoring.
9. Align chassis before camera calibration.
10. Verify without charging or energising a suspect battery.

Electric propulsion remains subject to ordinary MOT safety

UK roadworthiness includes tyres, friction brakes, steering, suspension, structure, lamps, visibility, restraints and applicable warnings. Battery-electric vehicles are not exempt from corrosion, fluid leaks or mechanical wear.

Declare wheel, suspension and other material modifications to the insurer. An MOT pass does not validate battery impact assessment, jacking, thermal-system filling or high-voltage isolation.

Practical Tesla parts FAQs

Q: Is model and registration year enough for Tesla parts?
A: No. Build date, variant and installed label matter.

Q: Do rear- and dual-motor variants share all chassis parts?
A: No. Mass, shafts, springs and cooling can differ.

Q: Does touchscreen power-down isolate high voltage?
A: No. Use the complete workshop isolation process.

Q: Does low-voltage disconnection prove HV is dead?
A: No. Wait and verify absence of voltage.

Q: Can the battery case be used as a jacking point?
A: No. Use only published reinforced points.

Q: Can a dented pack be charged for diagnosis?
A: Not before trained damage assessment.

Q: Are Tesla brakes purely brake-by-wire?
A: No. Hydraulic friction brakes remain safety-critical.

Q: Does regeneration prevent disc corrosion?
A: No. Inspect both faces and caliper movement.

Q: Can air suspension hold the car for workshop access?
A: No. Support the structure independently.

Q: Is generic gear oil suitable for a drive unit?
A: No. Use the exact drive-unit specification.

Q: Can any charger test every low-voltage battery?
A: No. Voltage and chemistry must match.

Q: Does a camera image prove calibration?
A: No. Geometry requires the specified calibration.

Q: Does an MOT pass certify battery safety?
A: No. Damage and isolation need separate assessment.

Q: What confirms a Tesla repair?
A: Correct build data, controlled energy and verified safe operation.