BYD S6 Parts
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Symptom Finder: Known Weak Points
| What you see or hear | Check first |
|---|---|
| A cam cover or head gasket ordered for a 2.4 does not fit | Two different 2.4 engines were used. A four-speed automatic means the Mitsubishi 4G69 and a manual or dual-clutch 2.4 means the BYD488QA, so reorder for the engine actually fitted. |
| Judder or hesitation pulling away on a 2.4 dual-clutch car | Check the dry dual-clutch pack and its actuation first. Order by the OE number from the S6's own gearbox, since S7 wet-clutch parts do not fit. |
| Whine on full lock, heavy steering or fluid under the front | The hydraulic steering pump, the hoses and the fluid level. Trace the leak to its joint before ordering a pump or rack. |
| Parking brake weak or the car creeps on a slope | The hand-operated parking brake cable and the rear pads. Adjust or replace these before ordering a caliper, and choose one without a motor. |
| Knock from the front over bumps | Control arm bushes, anti-roll bar links and top mounts. Check each for play, then order by side and OE number. |
| ABS warning light on the dash | A wheel speed sensor or its wiring is the usual first suspect. Find which wheel the fault points to, then order that sensor by its OE number. |
| Engine warning light with rough running | Ignition coils, plugs and lambda sensors. Confirm which engine is fitted first, since the four S6 engines do not all use the same parts. |
Most Replaced Parts on the S6
- Valvetrain and camshaft partsEngine-specific, so confirm which 2.4, 2.0 or 1.5 turbo is fitted before ordering
- Pistons, rings and bearingsInternals differ between the Mitsubishi and BYD 2.4 engines, so match by OE number
- Door skins, hinges and check strapsHinges and check straps take daily wear, and painted skins go by colour code
- Gearbox internalsA dry dual-clutch on 2.4 automatics from March 2014, a four-speed automatic before
- Control arms and bushingsIndependent suspension front and rear, with rubber bushes that wear with age and mileage
About BYD S6 Parts
The BYD S6 is a mid-size, five-door, two-wheel-drive SUV. It was first shown at the Guangzhou motor show in late 2010, went on sale on 6 May 2011 and stayed in production until 2016. Over that time it used four petrol engines: BYD's own 1.5 turbo, 2.0 and 2.4, and a 2.4 from Mitsubishi. Two different engines carry the 2.4 badge, so engine parts depend on the engine actually fitted, and the model name does not settle it. The rest of the car uses conventional hardware: hydraulic power steering, disc brakes on all four wheels with a hand-operated parking brake, independent suspension front and rear, and 225/65 R17 tyres with a full-size spare. Every part on this page is listed by its OE number, and the number on the old part is the surest way to confirm that a replacement fits.
What to know before buying BYD S6 parts
Start with the engine, because two different engines wear the 2.4 badge and they share very little. From launch in May 2011 until March 2014, the automatic 2.4 used Mitsubishi's 4G69, a 2,378 cc engine with a single overhead camshaft, driving through a four-speed automatic. In November 2012 BYD added its own 2.4, the BYD488QA of 2,362 cc, with a six-speed manual. From March 2014 that engine also took over the automatic cars, paired with a six-speed dry dual-clutch gearbox. The gearbox is the simplest guide. A four-speed automatic means the Mitsubishi, and a manual or dual-clutch 2.4 means the BYD engine. Cylinder head, camshaft, cam cover and gasket parts must be matched to the right one.
The other two engines are BYD's own. The 2.0 is the BYD483QB of 1,991 cc, sold with a manual gearbox. The 1.5 turbo is the BYD476ZQA of 1,497 cc and 154 PS, added in March 2014 with a six-speed manual. Every automatic S6 is a 2.4. Timing parts, clutches and flywheels follow the engine and gearbox, so order them by the OE number on the part coming off.
Two related models cause most wrong orders. The S7, sold alongside the S6 from 2014, looks like an obvious donor. It uses a 2.0 turbo with a six-speed wet dual-clutch and has an electronic parking brake. The S6's dual-clutch is a dry unit and its parking brake is hand-operated, so clutch and gearbox parts and rear calipers do not cross between the two. The M6 MPV looks unrelated but used the same 2.0 and both 2.4 engines, so engine parts can match when the OE numbers agree. Its body, glass and suspension belong to a different vehicle.
A few details vary from car to car. The 2014 model, on sale from 18 March 2014, brought a new grille, revised front and rear bumpers and LED daytime running lights. Read the build date on the identification plate before ordering front-end panels or lights. Seven-seat cars arrived on 25 September 2014 and need their own third-row seats and trim. Steering is hydraulic on every S6 we checked, the brakes are discs all round with ventilated discs at the front, and the tyres are 225/65 R17 with a full-size spare. Order painted panels by the colour code on the car, not by the colour name.
Before You Order: 8 Checks
- Identify which 2.4 is fitted by its gearbox. A four-speed automatic means the Mitsubishi 4G69, and a manual or dual-clutch 2.4 means the BYD488QA. Order engine parts for that engine.
- Match the OE number on the part you are replacing to the OE number on the listing before you order.
- Read the build date on the identification plate before ordering a grille, bumper or front light, since the March 2014 update changed all three.
- Count the seats before ordering seats or cabin trim, since seven-seat cars arrived in September 2014 with their own third row.
- Leave out S7 dual-clutch parts and any rear caliper with a motor, since the S6 has a dry dual-clutch and a hand-operated parking brake.
- Order steering parts for a hydraulic system: pump, hoses, fluid and rack.
- Read the tyre size on the sidewall before ordering tyres or rims, and check the full-size spare as well.
- Order painted panels by the colour code on the car, not by the colour name.
Generations and Facelifts
The S6 was first shown at the Guangzhou motor show in late 2010 and went on sale on 6 May 2011. It is a five-door SUV 4,810 mm long and 1,855 mm wide, on a 2,720 mm wheelbase, with a side profile that closely resembles the second-generation Lexus RX. At launch it offered BYD's 2.0 with a manual gearbox and Mitsubishi's 2.4 4G69 with a four-speed automatic.
On 13 November 2012 BYD added a 2.4 manual that used its own BYD488QA engine and a six-speed manual gearbox. From then on, two different 2.4 engines were on sale at the same time. This is why engine parts for a 2.4 must be matched by gearbox and OE number.
The 2014 model followed on 18 March 2014 and was the car's main update. It changed the grille and the front and rear bumpers and added LED daytime running lights. It also reworked the powertrains. The 1.5 turbo arrived with a six-speed manual, and the 2.4 automatic dropped the Mitsubishi engine and four-speed automatic in favour of the BYD488QA and a six-speed dry dual-clutch. Length, width and wheelbase did not change. Seven-seat versions followed on 25 September 2014 as a 2.0 manual, a 1.5 turbo and a 2.4 dual-clutch.
The S7 was launched in 2014 and sold alongside the S6 without replacing it. It has its own 2.0 turbo and a wet dual-clutch. S6 production ended in 2016, and the Tang is listed as its successor. For parts, March 2014 is the date that matters most, because it splits the front-end body parts, the lights and the automatic powertrain. Check the build date on the identification plate before ordering any of them.
BYD S6 Parts: Frequently Asked Questions
How do I make sure a part fits my BYD S6?
Match the OE number. Every part on this site is listed under the OE number printed on the original part. If the number on the part you are replacing matches the listing, the part fits. That matters on the S6 because four engines and two families of automatic gearbox were used over a five-year run, and engine parts that look alike often are different. If the old part is missing or its number cannot be read, send a photo of it through the quote form and we will reply within 24 hours, usually sooner.
There are two 2.4 engines listed for the S6. Which one is in my car?
Two different engines wear the 2.4 badge. The Mitsubishi 4G69 is a 2,378 cc engine with a single overhead camshaft. It was fitted to the automatic 2.4, with a four-speed automatic, from launch in 2011 until March 2014. BYD's own BYD488QA is a 2,362 cc engine that arrived in November 2012 with a six-speed manual and, from March 2014, also came with a six-speed dual-clutch. Use the gearbox as your guide. A four-speed automatic means the Mitsubishi, and a manual or dual-clutch 2.4 means the BYD engine. Then match head, camshaft and gasket parts by OE number.
Is there an automatic 1.5 turbo or 2.0 S6?
The sources we checked show neither. The 1.5 turbo is BYD's BYD476ZQA of 1,497 cc and 154 PS. It joined the range on 18 March 2014 with a six-speed manual gearbox. The 2.0 is BYD's BYD483QB of 1,991 cc, sold with a manual gearbox, which was a five-speed on the earlier cars. Every automatic S6 we found is a 2.4. If a listing describes a part as being for a turbo automatic, check the OE number on your old part before ordering any clutch, flywheel or gearbox part.
The S7 has a dual-clutch too. Do the gearbox parts cross over?
They do not. The S7 was launched in 2014 and sold alongside the S6, and it looks like a close relative. Its 2.0 turbo engine drives through a six-speed wet dual-clutch gearbox. The dual-clutch in the 2.4 S6 is a six-speed dry unit. Clutch packs, gearbox internals and control parts are built for two different designs and should not be swapped between the cars. The S7 also has an electronic parking brake, which the S6 never had. Order dual-clutch parts by the OE number from your S6's own gearbox, and ignore S7 listings.
Why does a part for my S6 show up in listings for the BYD M6?
The M6 is an MPV, but it was sold with the same three engines the S6 used before 2014: the 2.0 BYD483QB, BYD's 2.4 BYD488QA and the Mitsubishi 2.4 4G69. Engine parts can therefore appear under both models, and where the OE number matches, the part is the same. That overlap stops at the engine. Body panels, glass, suspension and trim belong to two different vehicles and do not cross. Check that the OE number on your old part matches the listing before you rely on an M6 cross-reference.
Does the S6 have an electric parking brake?
No. On both the 2012 and 2014 cars we checked, the S6 uses a conventional hand-operated parking brake, with disc brakes on all four wheels and ventilated discs at the front. A rear caliper with a parking brake motor attached belongs to another car, most likely the S7, which has an electronic parking brake. If the parking brake feels weak, check the cable adjustment and the rear pads first. Then order the caliper, pads or cable by the OE number on the old part.
What changed with the 2014 model?
The 2014 model went on sale on 18 March 2014 and changed both the look and the powertrain. Outside, it gained a new grille, revised front and rear bumpers and LED daytime running lights, and inside it had new seat designs. The 1.5 turbo joined the range. The 2.4 automatic moved from the Mitsubishi engine and four-speed automatic to BYD's own 2.4 and a six-speed dry dual-clutch. Length, width and wheelbase did not change. Read the build date on the identification plate before ordering bumpers, a grille, lights or engine parts.
I have a seven-seat S6. Does that change the parts I need?
Seven-seat versions joined the range on 25 September 2014, as a 2.0 manual, a 1.5 turbo and a 2.4 dual-clutch. The body is the same, so exterior panels follow the March 2014 split and do not depend on the number of seats. The cabin is different. The third row brings its own seats, belts and trim, and the rear of the cabin is laid out to suit. Count the seats before ordering anything for the cabin, and match rear suspension parts by OE number without assuming they are shared with a five-seat car.
Does my S6 have a timing belt or a timing chain?
It depends on the engine, and the sources we checked do not agree for every S6 engine, so we do not state one here. The quickest check is the front of the engine. A belt usually runs behind a removable plastic cover, while a chain runs inside a metal cover sealed to the engine. Once you know whether you have a 2.4, 2.0 or 1.5 turbo, take the replacement interval from the service book or workshop manual. Order the belt or chain, the tensioner or the guides by the OE number on the old part.
What tyre size does the S6 use, and does it have a spare?
The 2012 and 2014 cars we checked run 225/65 R17 tyres on both axles, with a full-size spare wheel. Check the spare before you order, since a previous owner may have used it and left it on the car, or replaced it with a different size. Read the size on the sidewall of the tyres actually fitted, and match the rims and wheel bolts at the same time. For a spare wheel carrier or jack, order by the OE number on the old part.
Does the S6 have electric power steering?
No. Every S6 we checked uses hydraulic power steering, with a pump, a fluid reservoir, pressure and return hoses and a hydraulic rack. A steering fault can therefore come from the pump, the hoses, the fluid level or the drive belt as well as the rack. Check for leaks at the hose joints and listen for whine on full lock before ordering anything. Replace the fluid whenever you change a component, and order the pump, rack or hoses by the OE number on the part coming off.
Is the S6 related to the BYD Tang?
The Tang is listed as the S6's successor, but it is a different car, and Tang parts should not be expected to fit an S6. The S6 stayed in production until 2016. Its closest relatives for parts are the M6, which shares its pre-2014 engines, and to a lesser extent the S7, which was sold alongside it. Whatever a donor listing says, confirm each part against the OE number on the one you are replacing, and send it through the quote form if the number cannot be read.