Vauxhall Crossland X Exhaust System: Specs, Fitment & Common Faults
If your Crossland X is diesel-engined, a blocked DPF is worth addressing promptly — here's the cascading failure chain worth knowing.
Illustration for editorial purposes
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OEM Part Number: 9839652080 (diesel DPF / SCR unit) — rear silencer (aftermarket) Bosal 190-363 / Walker 70308
| Rear silencer (back box) — aftermarket | Bosal 190-363, 185-233, 185-469, 185-683, 185-685, 185-647, 185-475, 185-959; Walker 70308, 22372, 70338, 23138; Izawit 21.239, 21.045, 21.044, 21.905, 21.902; Vegaz OS-337; Polmo 17.266 |
|---|---|
| Centre / intermediate silencer — aftermarket | Bosal 278-135, 200-269, 200-825; Vegaz OS-278, IS-110, RS-318; Polmo 21.282; Izawit 21.087, 21.070 |
| Front pipe / catalytic converter (DPF on diesels) — aftermarket | Bosal 090-171 (Euro 5/6, E57 103R 000372); Walker 28735 (465mm), 20067; Vegaz PGK-805QP, OK-342, CSCR-005QP/SIC (SCR, Euro 6); BM Catalysts BM92266H, BM91785H; JMJ 1090010 (old codes, ignore) |
| Genuine (OE) numbers quoted | 5852595 (Izawit 21.087 middle); 855184 (Walker 20067 converter); 9839652080 (Citroen/Peugeot OE SDPF/SCR converter, diesel) |
| Fitment notes | diesel SCR/DPF items shown; petrol/diesel not split per part. |
A Genuine Cascading Failure Chain Worth Knowing on Diesel Models — Vauxhall Crossland X Exhaust System
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 Crossland X Exhaust System: The Part That Announces Its Own Problems
Where a lot of Vauxhall Crossland X parts fail silently until you spot something visually wrong, this one tends to make noise first — a rattle, a drone, an audible change that wasn't there recently. That's a useful early-warning system if you're paying attention.
Vauxhall Crossland X Exhaust System: Watch: Replacing It
full-system replacement on the PF1 platform
Vauxhall Crossland X Exhaust System: What It Does
Away from the engine, through the silencer, and often through a catalytic converter and particulate filter before reaching the tailpipe — that's the Vauxhall Crossland X's exhaust job in three steps. Petrol and diesel versions frequently need different systems entirely, since their emissions treatment isn't the same.
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Vauxhall Crossland X 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.