Question 1

How much is a turbocharger for a DS DS7?

Accepted Answer

An exchange turbocharger for the DS DS7 starts at €626.00. A single reference, 5303 970 0578, covers this model: the price shown is that one part, with no variant to compare.

Question 2

Which turbocharger reference fits a DS DS7?

Accepted Answer

The reference is 5303 970 0578. It is what settles the match on a DS DS7 — not the vehicle's trade name, nor its year.

Question 3

Why is only one turbocharger reference offered for the DS7?

Accepted Answer

Because the DS7 engines listed here were built with the same turbocharger. The choice is unique, which rules out any risk of mismatch.

Question 4

Where is the reference found on a turbocharger removed from a DS DS7?

Accepted Answer

It is on the riveted plate of the centre housing, on the compressor side. The plate holds the marking even on a part coated with oil and soot. It is the only reading that confirms the match with the reference expected on a DS DS7.

Question 5

How do I find out which engine my DS7 has?

Accepted Answer

The registration document states the version and the rated power of the vehicle; the engine code itself is stamped on the block. That engine-and-power pairing places the car within the DS7 range, and leads to the right turbocharger reference.

Question 6

Is the year of my DS7 enough to choose the turbocharger?

Accepted Answer

No. Two DS7 of the same year can take different turbochargers depending on their engine. It is the engine-and-power pairing that determines the reference, and the code on the removed part that confirms it.

Question 7

What happens to the old turbocharger from my DS DS7?

Accepted Answer

The part ordered is sold as an exchange unit: it has already been remanufactured and balanced, and the turbocharger you remove from the DS7 goes back into the reconditioning circuit. Return terms are stated at checkout.

Question 8

How does an exchange turbocharger differ from a new part?

Accepted Answer

An exchange turbocharger is an original part restored to working order: wear parts are replaced and the rotating assembly is rebalanced. It carries the same reference as the turbocharger removed from the DS7 and fits in its place.

Question 9

How do I spot a worn turbocharger on a DS DS7?

Accepted Answer

On a DS DS7, a turbocharger nearing the end of its life shows up as a loss of power under acceleration, smoke at the exhaust, a whistle rising with engine speed and a drop into limp mode. These signs overlap with other intake faults: diagnosis is a job for a qualified technician.

Question 10

Why does my DS7 go into limp mode?

Accepted Answer

The ECU of the DS7 limits the engine when it no longer finds the boost pressure expected for the engine fitted. A turbocharger that no longer regulates pressure correctly is one possible cause, alongside an air leak or a faulty pressure sensor.

Question 11

Does a whistle under acceleration always come from the turbocharger?

Accepted Answer

No. The whistle can come from the turbocharger itself, but equally from a leak on an intake hose, the intercooler or the wastegate. Noise alone is not enough to condemn the part.

Question 12

Is the turbocharger on a DS7 a variable-geometry unit?

Accepted Answer

Diesel engines take a variable-geometry turbocharger, whose movable vanes adapt boost to engine speed — it is the part that seizes most often on that type of engine. Petrol engines use other architectures. The code read on the removed part says which one a given DS7 carries.

Question 13

How do I confirm the fault before ordering a turbocharger for the DS7?

Accepted Answer

By a fault code read and a boost pressure check, carried out by a qualified technician, before any order for a DS DS7. That check separates a failed turbocharger from an air leak or a faulty sensor — three faults with similar symptoms but different remedies.

Question 14

Can I order a turbocharger for the DS7 without knowing the exact reference?

Accepted Answer

This page lists a single reference for the DS7, 5303 970 0578: the code on the removed part then serves to confirm, not to choose. Where the engine is in doubt, the check belongs to a qualified technician before ordering.

Question 15

Does a turbocharger ordered for a DS DS7 fit straight on?

Accepted Answer

Yes, provided the reference is the original fitment for the engine in the DS7: it keeps the dimensions, the mounting and the connections of the part removed. Fitting is a job for a qualified automotive technician.

Variant / Engine	Part Category	References
1.5 BlueHDi 130 hp	Certified exchange unit	1 part(s)
1.6 PureTech 180 hp	Certified exchange unit	1 part(s)
1.6 PureTech 225 hp	Certified exchange unit	1 part(s)
E-Tense 224 hp	Certified exchange unit	1 part(s)
E-Tense 300 hp	Certified exchange unit	1 part(s)
PureTech 130 130 hp	Certified exchange unit	1 part(s)

Turbo Garrett 753420-5006S

Injector SIEMENS-VDO 5WS40536

High-pressure pump SIEMENS-VDO 5WS40019

Turbocharger DS DS7

Available products

Turbo BorgWarner - KKK 5303 970 0578

SL Turbo 853603-5002S

Turbo Garrett 887157-5001S

Frequently asked questions

About this category

Available engine variants and applications

DS DS7 model variants overview

Diagnostics and wear symptoms

Core deposit and exchange procedure

24-Month warranty & fast delivery

Manufacturer warranty compliance