Renault Scenic Exhaust System: Specs, Fitment & Common Faults
On the Scenic, if diesel, a genuinely serious mechanical chain: an EGR valve stuck closed can cause turbo bearing failure and catastrophic oil consumption.
Illustration for editorial purposes
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OEM Part Number: confirm via VIN — Rear silencer (aftermarket) Bosal 200-091 / Walker 23997
| Rear silencer (back box) — aftermarket | Bosal 200-091 (accessories); Walker 23997 (970 mm), 13239 (690 mm), 17275 (840 mm); Ernst 522298; Asmet 10.106; MTS 01.61064, 01.60691, 01.62510; Vegaz RS-5, RS-44, RS-258, RS-92, RS-39, RS-85; Polmo 02.10, 02.15, 21.252, 21.272. |
|---|---|
| Centre / intermediate silencer — aftermarket | Bosal 200-341, 200-807, 200-811, 200-303; Walker 22440, 22442, 22441, 22560; MTS 01.51350, 01.56880; Vegaz RS-323, RS-28, RS-40; Izawit 26.341, 26.807, 26.305; Ernst 530033, 525060; Polmo 21.553, 21.277, 21.282 |
| Front pipe / catalytic converter (DPF on diesels) — aftermarket | Bosal 090-304 (Euro 6, with fittings); Walker 28879 (360 mm); BM Catalysts BM92271H (Euro 6); Vegaz RK-368; NAP CAK11526 (360 mm Euro 6 OBD); Quinton Hazell QCAT92271H; Maxgear 27-6234 |
| Genuine (OE) numbers quoted | 8200162147 quoted for Izawit 26.079 repair pipe (500 mm). Nothing else. |
| Fitment notes | Engines: 1.2/1.3 TCe petrol, 1.5/1.6/1.7 Blue dCi diesel, 1.5 dCi Hybrid Assist. |
A Genuinely Serious Mechanical Chain Worth Understanding on dCi Diesels — Renault Scenic Exhaust System
If your car has a dCi diesel engine, this is worth understanding properly: if the EGR valve sticks in the closed position, exhaust gas temperature rises considerably, which can cause the turbocharger's bearings to fail and allow engine oil to enter the induction system. Left unaddressed, this can lead to the engine consuming its own oil supply and eventually suffering catastrophic failure. Documented cases confirm a genuinely important lesson: several turbochargers have been replaced without the EGR valve being addressed at the same time, only for the new turbo to fail again quickly. If you're having turbo work done on a dCi engine, it's genuinely worth insisting the EGR valve is properly checked and, if faulty, replaced as part of the same job.
Genuine UK cost figures worth knowing: DPF cleaning has been quoted at an average of around £208 — worth getting as a benchmark before accepting a quote for full replacement.
Renault Scenic Exhaust System: The Part That Announces Its Own Problems
On the Renault Scenic, sound is usually the first clue here, ahead of any visual sign — a rattle, a drone, noise that's crept in gradually or arrived overnight. It's one of the more forgiving faults in that sense, since your ears will likely flag it before it becomes a bigger problem.
Renault Scenic Exhaust System: Watch: Replacing It
FRENCH: same 1.6 dCi exhaust sensor/hose video; no Mk4 Scenic exhaust replacement video found
Renault Scenic Exhaust System: What It Does
The Renault Scenic's exhaust system handles three things at once: clearing burnt gases from the engine, cutting noise via the silencer, and treating emissions through a catalytic converter and particulate filter. Because petrol and diesel emissions requirements differ, it often uses genuinely different exhaust systems depending on engine type.
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Renault Scenic Exhaust System: Warning Signs, DIY Difficulty & Aftermarket Advice
These are the same regardless of make or model — see our full Exhaust System Guide for warning signs and fault codes to watch for, confirming fitment against your VIN, and which aftermarket brands are worth trusting.
More Renault Exhaust System
The same part, covered across other Renault models.