BYD Qin L EV Parts
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Symptom Finder: Known Weak Points
| What you see or hear | Check first |
|---|---|
| Knock or clunk from the front over bumps | The front ball joints, lower arms and bushes. The dual ball-joint MacPherson layout has more joints than a single-arm strut, so check each one and order by side and OE number. |
| Brake judder, squeal or a scraping noise | Pads and discs, front and rear separately. Regeneration does much of the slowing, so discs can corrode from light use. Order pads and discs together by OE number. |
| Humming or grinding from a wheel that rises with speed | The wheel bearing on that corner. The rear hubs carry the drive, so confirm the axle and side, then order by OE number. |
| Parking sensor or driver-assistance warning after a minor knock | The ultrasonic sensors in the bumpers and their brackets. A bent bracket can trigger the warning on its own, so check it before replacing the sensor. |
| Coolant warning or a falling coolant level | Coolant hoses, valves and the expansion tank. The 8-in-1 drive unit includes thermal management, so trace the leak to its circuit before ordering. |
| Car will not charge or charges slowly | The charging port and cable first. The on-board charger sits inside the 8-in-1 unit, so have the fault diagnosed before ordering drive-unit parts. |
| A tyre ordered by trim name does not fit | The car runs 225/55 R17 or 225/50 R18 depending on version. Read the size on the sidewall and reorder to match. |
Most Replaced Parts on the Qin L EV
- Control arms and bushingsDual ball-joint macpherson front and multi-link rear, order each arm by side
- Brake calipers, cylinders and hydraulicsVentilated front discs and rear discs, match calipers and pads by OE number
- Wheel bearings and knucklesThe rear hubs carry the drive, so front and rear parts differ
- Powertrain and drive-unit mountsThe drive unit sits at the rear, so front-drive Qin mounts will not fit
- Coolant valves and linesThe 8-in-1 unit includes thermal management, so trace a leak before ordering
About BYD Qin L EV Parts
The BYD Qin L EV is a mid-size electric saloon, teased in February 2025 and launched in China on 23 March 2025. It is 4,720 mm long on a 2,820 mm wheelbase and sits on BYD's e-Platform 3.0 Evo. Every version drives the rear wheels through a single motor, 110 kW or 160 kW in China, fed by a 46.08 kWh or 56.64 kWh Blade battery. That rear-drive layout sets it apart from the Qin L DM-i, a front-drive plug-in hybrid that shares the name and very little hardware. With no engine, the car needs no engine oil or exhaust parts, and most of its wear falls on suspension, brakes, wheel bearings, cooling and the sensors of its driver-assistance system. Every part on this page is listed by its OE number, and that number is the surest way to confirm a part fits.
What to know before buying BYD Qin L EV parts
Start by making sure the car is a Qin L EV. The Qin L DM-i carries the same name but is a front-engine, front-drive plug-in hybrid, 4,830 mm long and 1,900 mm wide on a 2,790 mm wheelbase. The EV is 4,720 mm long and 1,880 mm wide on a 2,820 mm wheelbase, drives its rear wheels and has a 65 litre front boot where the DM-i has its engine. Opening the bonnet settles it. Bumpers, suspension, subframes and drive parts do not cross between the two.
The Seal 06 EV is the closer relative. It uses the same platform, wheelbase, rear motors and batteries, and much of the running gear may be common, but it is styled differently front and rear, so bumpers, lamps and grille panels are specific to each car. Later Seal 06 EV versions grew to 4,870 mm and gained a 240 kW motor, and those parts belong to that car only.
The version matters for the motor and battery. Chinese cars pair a 110 kW motor with the 46.08 kWh battery or a 160 kW motor with the 56.64 kWh battery. Cars sold outside China can pair them differently, so confirm the version, then order drive and battery parts by the OE number on the old unit.
A few things vary from car to car. Tyres are 225/55 R17 or 225/50 R18 depending on version, so read the sidewall. Check which lamp design is fitted at the front. Chinese cars carry 12 cameras, five millimetre-wave radars and 12 ultrasonic sensors, and the ultrasonic sensors sit in the bumpers, so a bumper repair often needs sensors and brackets as well as the panel. Order painted panels by the colour code on the car.
Two design choices shape repairs. The battery is built into the body structure, so damage to the floor or sills should be assessed as body repair before any battery part is ordered. The motor, reducer, high-voltage controller, DC-DC converter, on-board charger, power distribution, vehicle control and thermal management sit in one 8-in-1 unit, so have a fault diagnosed before ordering. The front suspension is a dual ball-joint MacPherson design with a multi-link rear, so order arms and joints to that layout.
No facelift has been found, so no build-date split is known for this car yet.
Before You Order: 7 Checks
- Confirm the car is a Qin L EV and not a Qin L DM-i. The EV has a 2,820 mm wheelbase and a front boot where the DM-i has an engine, so open the bonnet before ordering.
- Match the OE number on the part you are replacing to the OE number on the listing. A matching number is the surest check that a part fits.
- Establish the version before ordering motor or battery parts, since the car pairs 110 kW with 46.08 kWh or 160 kW with 56.64 kWh.
- Read the tyre size on the sidewall before ordering tyres or rims, since the car runs 225/55 R17 or 225/50 R18.
- Check which headlamp design is fitted and which side you need before ordering a lamp.
- Order painted panels by the colour code on the car rather than by colour name.
- After a bumper or windscreen repair, check the sensors and their brackets as well as the panel, and order each sensor by the OE number on the old unit.
Generations and Facelifts
The Qin L name arrived first on a hybrid. The Qin L DM-i was shown at the Beijing show in April 2024 and launched on 28 May 2024 as a front-drive plug-in hybrid on a 2,790 mm wheelbase. None of its drive or suspension hardware suits the EV.
The Qin L EV was teased in February 2025 and launched in China on 23 March 2025, built in Hefei on e-Platform 3.0 Evo with a single rear motor. It came in three versions: a 470 km car with 110 kW and 46.08 kWh, and two 545 km cars with 160 kW and 56.64 kWh. Its Ocean-series sister, the Seal 06 EV, was shown at Auto Shanghai in April 2025 and launched on 7 June 2025 with the same drive hardware and different styling.
Outside China the car is also sold as the Seal 6 EV in some markets. Motor and battery pairings on those cars can differ from the Chinese versions.
On 8 January 2026 BYD updated the Qin L DM-i with a larger battery. That change was for the hybrid only. The Seal 06 EV has since gained a longer 4,870 mm body and a 2027 update with a 240 kW motor, and no matching change has been reported for the Qin L EV. The Qin L EV has had no facelift, so match parts by OE number and treat parts from those later Seal 06 EV versions as belonging to a different car.
BYD Qin L EV Parts: Frequently Asked Questions
How do I make sure a part fits my Qin L EV?
Match the OE number. Every part on this site is listed under the OE number printed on the original part, and if the number on the part you are replacing matches the listing, the part fits. That check matters on the Qin L EV because it shares a name with the Qin L DM-i and a platform with the Seal 06 EV, and both overlaps lead to wrong orders. If the old part is missing or its number is unreadable, send a photo through the quote form and we will reply within 24 hours, usually sooner.
Is the Qin L EV front-wheel or rear-wheel drive?
Rear. Every Qin L EV has a single permanent-magnet motor over the rear axle, rated at 110 kW or 160 kW on Chinese cars, and the car is built on BYD's e-Platform 3.0 Evo. The Qin L DM-i drives its front wheels, so drive-unit mounts, driveshafts and hub parts from that car do not suit this one. Check the drive layout before ordering anything for the driveline, then confirm each part by the OE number on the old one.
Will parts from a Qin L DM-i fit the Qin L EV?
Assume not. The two cars share a name and little else. The Qin L DM-i, launched on 28 May 2024, is a front-engine, front-drive plug-in hybrid, 4,830 mm long and 1,900 mm wide on a 2,790 mm wheelbase. The Qin L EV is 4,720 mm long and 1,880 mm wide on a 2,820 mm wheelbase and drives its rear wheels. Body panels, suspension, subframes and drive parts therefore differ. If a part genuinely suits both cars it will carry the same OE number, so compare numbers before ordering.
Can I use Seal 06 EV parts on a Qin L EV?
Sometimes, but check each one. The Seal 06 EV, launched on 7 June 2025, uses the same e-Platform 3.0 Evo, the same 2,820 mm wheelbase and the same 110 kW and 160 kW rear motors with 46.08 kWh and 56.64 kWh batteries. Its styling is different, so bumpers, lamps and grille panels do not cross between the two. Later Seal 06 EV versions grew to 4,870 mm and gained a 240 kW motor, and those parts do not suit a Qin L EV. Match every part by its OE number.
Is the Qin L EV sold under any other name?
Yes. Outside China the same car is also sold as the Seal 6 EV in some markets. It should not be confused with the Seal 06 EV, a separate model with different styling. The Qin L EV pairs a 110 kW motor with the 46.08 kWh battery or a 160 kW motor with the 56.64 kWh battery, and cars sold under another name can pair them differently. Confirm the version before ordering, and match motor and battery parts by the OE number on the old unit.
What tyre sizes does the Qin L EV use?
Two sizes are listed, 225/55 R17 and 225/50 R18, both on alloy wheels. The size goes with the version rather than the build year, so a tyre ordered by trim name alone may not fit. Read the size on the sidewall of the tyres already fitted before ordering tyres or rims, and order wheel bolts and centre caps by OE number rather than by wheel size alone.
What does the Qin L EV need at a service?
There is no engine, so no engine oil, oil filter, spark plugs or exhaust parts. Routine work centres on the brakes, tyres, cabin air filter, coolant and brake fluid, along with the suspension joints and bushes, which carry a kerb weight of between 1,670 kg and 1,800 kg depending on version. Follow the schedule in the owner's handbook, and order each consumable by the OE number on the part you are replacing.
Is the battery part of the body structure?
Yes. The Qin L EV uses BYD's cell-to-body construction, where the battery forms part of the floor structure rather than sitting in a separate case bolted underneath, and a torsional rigidity of 31,167 Nm is quoted for it. Damage to the underside, sills or floor should therefore be assessed as body repair before any battery part is ordered. Have the car inspected by a repairer familiar with structural batteries, then order body and battery parts by OE number.
What is the 8-in-1 drive unit, and why does it matter?
It is a single assembly combining the motor, reducer, high-voltage controller, DC-DC converter, on-board charger, electrical distribution unit, vehicle control unit and thermal management. On older designs several of these were separate boxes. Here, a fault in one function can point to the whole assembly, so have the fault diagnosed properly before ordering. Where a part of the unit is listed on its own it carries its own OE number, and the label on the old unit is the place to start.
Which sensors should I check after bodywork?
Chinese cars carry the God's Eye C system with 12 cameras, five millimetre-wave radars and 12 ultrasonic sensors. The ultrasonic sensors sit in the bumpers, and other sensors are mounted around the front and rear of the car, so a minor knock can damage a sensor or bracket as well as the panel. Check sensors and brackets during any bumper or windscreen repair, have the system recalibrated where the repairer advises it, and order each sensor by the OE number on the old unit.
Has the Qin L EV had a facelift?
Not so far. The Qin L EV has been on sale in China since 23 March 2025 with no facelift found, and the body has not changed. The January 2026 update to the Qin L name, with a larger battery, applied to the DM-i hybrid only. The Seal 06 EV has since gained a longer body and a 240 kW motor, and those changes have not been reported for the Qin L EV. Keep matching parts by OE number, which stays reliable if a new version appears.
Do all versions have the same headlamps?
Not necessarily, so check before ordering. Lamp design can differ between versions, so headlamps and the trim between them may not cross from one car to another. The Seal 06 EV has its own front and rear styling, so its lamps do not suit a Qin L EV either. Look at the car before ordering, note which lamp design is fitted and which side you need, and match the replacement by the OE number on the old lamp.