30 Products
BYD Car Parts
BYD parts selection starts with the full VIN, build date, market, model and exact electric or plug-in-hybrid drivetrain. Atto 3, Dolphin, Seal and other BYD families use different platforms, battery packs, motor layouts, charging hardware, brakes, suspension and software. Record driven axles, battery and charger version, brake or wheel option and installed diagnostic hardware number before selecting a component.
Do not generalise from the BYD badge or a similar-looking part. Connector, cooling passage, voltage class, software, sensor range, left/right orientation and calibration can change within a model. Use a VIN-supported cross-reference and follow any paired replacement, coding or one-time fastener instruction.
High-voltage work requires trained personnel, an exclusion zone and the exact shutdown procedure. Secure keys, charging equipment and remote wake-up, isolate at the documented points and prove absence of dangerous voltage with suitable equipment. A silent BYD can remain energised, and its traction battery requires approved balanced lifting and storage.
Battery, motor, power-electronics, cabin heat-pump and combustion-engine circuits on hybrid variants can use different coolants or refrigerant/oil requirements. Identify each circuit before opening it and keep equipment clean and dedicated where electrical insulation depends on low contamination. Leakage, impact, unusual heat, odour, hiss or smoke needs immediate specialist assessment.
Regenerative braking does not maintain friction parts. Inspect both disc faces, pads, calipers, hoses, shields and electronic parking-brake operation; use the specified service mode and diagnostic bleed. Tyres must meet size, construction, load/speed rating and pressure requirements, with suitable rolling relationship across driven axles.
After glass, bumper, wheel, steering or suspension work, set ride height and alignment before required camera, radar and steering calibration. Stop charging or driving for isolation warnings, underbody battery impact, coolant leakage, smoke, unusual heat, unsafe brakes or steering, tyre damage or critical chassis warnings. MOT compliance does not certify battery health, charger safety or software compatibility.
Your Current Vehicle
Or
Select Your Vehicle
Shop Parts by Category
Choose a category to view parts for your selected vehicle.
Vehicle Models and Options for BYD
BYD Car Part Categories
Only categories with verified fitment products are shown.
BYD Parts Catalogue Online
Browse catalogue-backed parts by vehicle system.
BYD model and energy architecture define the part
BYD builds battery-electric and plug-in-hybrid vehicles across several platforms. Atto 3, Dolphin and Seal differ in body, battery, motors, suspension, brakes and charging. A familiar model name can also have market or production revisions.
Record the full VIN, build date, market, propulsion type, motor count, driven axles, battery and charger data, brake and wheel options. Preserve scan identity and installed labels.
Battery branding does not replace pack identification
BYD uses integrated battery technologies, including lithium iron phosphate designs in many applications, but pack voltage, capacity, enclosure, cooling and electronics remain model-specific. Never order or open a pack from chemistry name alone.
Confirm exact pack and control hardware. A battery module or service disconnect is not a general consumable and must follow authorised repair boundaries.
Create a high-voltage system record
| Evidence | Decision | Safety value |
|---|---|---|
| VIN/build/market | Platform and production revision. | Prevents wrong voltage hardware. |
| Motor count/drive axles | Drive unit, shafts, hubs and tyres. | Confirms rotating sources. |
| Battery label/scan | Pack, BMS and thermal version. | Sets isolation and lift plan. |
| Charging equipment | Inlet, onboard charger and DC path. | Separates AC/DC faults. |
| Brake/suspension option | Discs, calipers, springs and dampers. | Protects chassis calibration. |
| Impact and fault history | Enclosure, insulation and structure. | Determines quarantine need. |
Isolation must be performed and then proven
Competent trained staff should secure keys and charging, prevent remote activation, follow the exact shutdown and wait time, prove the tester, test the circuit and re-prove the tester. Record who controls the isolation.
Vehicle silence is not an isolation indicator
Contactors and controllers can wake automatically, and capacitors retain charge. Do not touch orange cables or open a cover based only on a dark display or disconnected 12-volt battery.
Battery impact needs thermal monitoring and quarantine
After grounding, collision or incorrect lifting, inspect the underbody and enclosure without entering a hazardous area. Deformation, coolant, odour, unusual noise, rising temperature or smoke changes the emergency plan.
Do not charge or store a suspect vehicle among other cars. Follow manufacturer and emergency-service guidance for observation, movement and damaged-battery handling.
Pack removal is a controlled lifting operation
Use the approved vehicle pads and a level, rated battery table with correct balance fixtures. Remove shields and fasteners in the documented sequence and support the pack before disconnecting mounts.
Inspect seals, venting, coolant connections and interlocks. Complete leak, insulation and communication checks before enabling the system.
Thermal circuits must remain separate and clean
| Circuit | Identify | Contamination concern |
|---|---|---|
| Traction battery | Pack-specific coolant and bleed routine. | Conductivity, deposits and trapped air. |
| Motors/inverters | Pumps, valves and thermal schematic. | Local overheat from poor flow. |
| Cabin heat pump | Refrigerant, oil and charge mass. | Electrical insulation and compressor damage. |
| Plug-in hybrid engine | Engine circuit and approved coolant. | Assuming it is the battery loop. |
| Drive-unit lubricant | Exact reduction unit and fill level. | Using generic ATF. |
| Brake hydraulics | Specified fluid and diagnostic bleed. | Moisture and incompatible fluid. |
Charging interruption should be divided into AC and DC
Record whether the failure occurs with one supply, all AC equipment, DC rapid charging or both. Note state of charge, temperature and message. Inspect the cable and inlet for heat, water, pin or lock damage while safely isolated.
Potential causes include external supply, protective earth, cable, inlet sensing, onboard charger, DC path, battery limits and thermal control. Repeated reconnection can worsen a hot contact.
Plug-in-hybrid engines can start unexpectedly
Secure the vehicle in the specified workshop mode before engine-bay work. Use the exact oil approval, filter, coolant and fuel-system data. Exhaust and turbo components can be hot even after an electric arrival.
Hybrid torque faults may involve engine, motor, battery or transmission control. Scan the whole system rather than treating the engine code in isolation.
Drive-unit noise should be separated from tyre and hub noise
Compare acceleration, regeneration, coast, road surface, steering angle and temperature. Check tyre feathering, wheel bearings, shafts, mounts and reduction-unit leakage before condemning an electric machine.
Follow the specified oil sampling or drain method. Do not rotate an opened or isolated motor casually because it can generate voltage.
Regeneration reduces use, not corrosion
Inspect inner and outer disc faces, pad freedom, caliper pistons or slides, hoses and backing plates. Match disc dimensions, caliper and pad to the exact axle and option.
Use electronic parking-brake service mode and complete the specified hydraulic-control bleed. Confirm pedal feel and blended braking without warnings.
Suspension and steering carry battery mass
Check ball joints, steering ends, arms, bushes, subframes, dampers, springs and wheel bearings after pothole or impact. Compare ride height and wheelbase side to side before alignment.
Use correct fasteners and tighten bonded bushes at the prescribed position. A new steering end cannot correct a displaced subframe or damaged battery-protection structure.
Tyres must handle mass and immediate torque
Use approved size, construction, load/speed rating and pressure. Some axles or variants may differ. Compare tread and circumference across driven wheels and inspect inner shoulders carefully.
Check acoustic foam where fitted, puncture location, wheel runout and impact. The battery enclosure must never be used as a jacking surface during tyre service.
Low-voltage supply controls contactors and networks
Test the 12-volt battery, DC-DC charging, grounds and voltage drop. A weak supply can create high-voltage unavailable, brake and network messages. Allow the vehicle to enter its documented sleep state during drain measurement.
Do not replace a major high-voltage component before stabilising low-voltage power and saving complete diagnostic data.
Software replacement needs supported configuration
Controllers, cameras, sensors and actuators can require security access, coding and calibration. Matching part shape does not establish compatible firmware. Preserve old hardware and software identity.
Use a stable support supply and do not interrupt programming. Repair connector damage or water ingress before installing electronics.
ADAS calibration depends on mechanical geometry
Set tyre pressures, ride height and alignment and confirm the correct windscreen and sensor brackets. Bumper, mirror or glass work may disturb camera or radar position.
Perform the specified static or dynamic process. A warning-free scan is not proof of aim.
Recovery and towing need the electric-drive procedure
A disabled BYD may have locked parking brakes, engaged reduction gears or a damaged high-voltage battery. Use the model’s transport mode, emergency release and lifting points. Do not drag driven wheels or tow-charge the traction system unless the exact procedure explicitly permits it.
After collision or underbody impact, move the vehicle only when the risk assessment, route and storage location are suitable. A flatbed with all wheels supported is often required, but the official model instructions decide. Inform the recovery operator about high-voltage warnings, heat, leakage and charging state.
Store a suspect vehicle with appropriate separation and monitoring. Handing over the key does not transfer the electrical hazard unless the isolation and condition record are also communicated.
Use hazard signals to set the response
| Signal | Potential source | Action |
|---|---|---|
| Isolation warning | Pack, cable, coolant, motor or compressor. | Stop charge/use and secure vehicle. |
| Underfloor impact | Enclosure, cell support and structure. | Quarantine for trained assessment. |
| Hot charging inlet | Supply, cable, contact or sensor. | Disconnect safely; do not retry. |
| Soft brake pedal | Leakage, air or hydraulic control. | Do not drive. |
| Tyre bulge/vibration | Impact, wheel, hub and suspension. | Stop and recover. |
| Odour, hiss or smoke | Battery, coolant, wiring or friction heat. | Evacuate and follow emergency procedure. |
Close out with electrical safety evidence
Retain the isolation record, insulation or earth-test result, coolant and refrigerant details, software state and calibration report. These measurements distinguish a verified repair from a page of cleared fault codes.
- Confirm VIN, propulsion and option build.
- Save diagnostic, charging and software identity.
- Control keys, remote wake-up and high voltage.
- Use rated lifting for vehicle and battery.
- Keep thermal fluids and equipment circuit-specific.
- Restore seals, shields, interlocks and cable protection.
- Set brakes, ride height and alignment.
- Complete programming and calibration.
- Perform insulation, leak and functional tests.
- Reinspect temperature, warnings and fasteners.
UK roadworthiness is wider than the MOT result
The MOT covers defined brakes, steering, tyres, structure, lights, restraints and warning functions. It does not measure battery health, prove a charging repair, approve firmware or certify complete ADAS calibration.
Wheel, suspension, power and software changes need engineering consideration and insurance disclosure. High-voltage parts and damaged batteries require competent storage and waste handling.
Practical BYD parts FAQs
Q: Is every BYD battery pack interchangeable?
A: No. Voltage, enclosure, cooling and electronics differ.
Q: Does battery chemistry identify the service part?
A: No. Use exact VIN and pack data.
Q: Is a silent BYD electrically safe?
A: No. Isolation must be performed and proven.
Q: Can the battery case support a jack?
A: No. Use documented structural lifting points.
Q: Can all coolant circuits use one product?
A: No. Identify and protect each circuit.
Q: Is a charging fault always the battery?
A: No. Supply, cable, inlet, charger and thermal causes exist.
Q: Do regenerative brakes eliminate disc checks?
A: No. Corrosion and seizure remain possible.
Q: Can a weak 12-volt battery disable propulsion?
A: Yes. It controls networks and contactors.
Q: Does connector shape prove controller fitment?
A: No. Hardware, software and coding must agree.
Q: Is alignment enough after camera movement?
A: No. Perform the specified ADAS calibration.
Q: Can a damaged pack be charged for testing?
A: No. Quarantine and assess it first.
Q: When should a BYD be recovered?
A: For HV, heat, brake, steering, tyre or battery-impact risks.
Q: Does an MOT assess battery state of health?
A: No. Separate diagnostics are needed.
