Vauxhall Adam Exhaust System: Specs, Fitment & Common Faults
If your Adam is diesel-engined, a blocked DPF is worth addressing promptly — here's the genuine cascading failure chain that follows if it's ignored.
Illustration for editorial purposes
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OEM Part Number: confirm via VIN — Rear silencer (aftermarket) Bosal 185-619 / Walker 22372
| Rear silencer (back box) — aftermarket | Bosal 185-619 (shape differs), 185-475, 185-233, 190-363; Walker 22372 (680mm), 70308 (710mm), 23138 (760mm), 23824 (800mm), all code 52; Vegaz OS-777 (850mm), OS-779, OS-337 (720mm); Izawit 21.045, 21.047, 21.905, 21.075; Polmo 17.266 |
|---|---|
| Centre / intermediate silencer — aftermarket | Bosal 200-825, 200-269, 278-135; Vegaz IS-110 (centre), OS-278, RS-318; Izawit 21.087 (repair pipe 850mm), 21.070; Polmo 21.282 |
| Front pipe / catalytic converter (DPF on diesels) — aftermarket | Bosal 090-198, 090-199 (Euro 5/6); Walker 28760, 28819, 28726 (code 91); Vegaz OK-342, OK-914 (Euro 6); BM Catalysts BM91720H, BM91684H (Euro 6, non-approved); NAP CAK11233 |
| Genuine (OE) numbers quoted | 5852595 (Izawit 21.087 middle repair pipe) |
| Fitment notes | not engine-specific; no twin-exit info. |
If Your Adam Has a Diesel, This Cascading Failure Chain Is Worth Knowing
If your car has a diesel engine, it's worth understanding what a blocked DPF (Diesel Particulate Filter) can lead to if left unaddressed rather than acted on promptly. A blocked filter doesn't just trigger a dashboard warning — sustained excess backpressure in the exhaust system can force its way back to the turbocharger, causing what's known as "backspin," which can damage the turbo's internal seals. Once those seals fail, oil can leak into the EGR (exhaust gas recirculation) system too, compounding what started as a single, more straightforward fault into a considerably more expensive combined repair.
Vauxhall Adam Exhaust System: The Part That Announces Its Own Problems
On the Vauxhall Adam, this is one part where you'll usually hear the fault before you see it — a rattle, a drone, a sudden increase in noise that wasn't there last week. That's actually useful, since it gives you a head start on catching problems early.
Vauxhall Adam Exhaust System: Watch: Replacing It
Full exhaust swap; Corsa generation not confirmed (Corsa D is the closest match). No Adam repair video found.
Vauxhall Adam Exhaust System: What It Does
The Vauxhall Adam's exhaust system channels burnt gases away from the engine, reduces noise through the silencer, and treats emissions through a catalytic converter and particulate filter before gases exit the tailpipe. Petrol and diesel versions often use entirely different systems due to different emissions treatment requirements.
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Vauxhall Adam 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 Vauxhall Exhaust System
The same part, covered across other Vauxhall models.