Mitsubishi L200 Exhaust System: Specs, Fitment & Common Faults
A genuinely alarming, honest account on related models: a DPF replaced by Mitsubishi itself failed the same way two weeks later, traced to technicians accidentally cutting the turbo boost pipe.
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OEM Part Number: confirm via VIN — Rear silencer (aftermarket) Bosal 177-673 / Walker 23662
| Rear silencer (back box) — aftermarket | Bosal 177-673; Walker 23662 (800 mm, code 52), 22230 (code 61); Ernst 690010, 690027; Vegaz MIS-223, MIS-225, MIS-234, MIR-83; Polmo 14.11, 14.12, 14.142; Izawit 19.003, 19.051. |
|---|---|
| Centre / intermediate silencer — aftermarket | Walker 22228 (650 mm, code 62); MTS 01.50578, 01.50169, 01.54570, 01.58400, 01.57150, 01.50166; Vegaz MIS-121, MIS-191; Polmo 14.09; Imasaf MI.79.06 (914 mm). |
| Front pipe / catalytic converter (DPF on diesels) — aftermarket | Bosal 099-273 (Euro 1/2, ECE); Walker 28168 (420 mm, code 91); Vegaz MIK-958 (Euro 4, 730 mm), MIK-970, MIK-976, MIK-931; JMJ 1080382, 1090035. |
| Genuine (OE) numbers quoted | None quoted in catalogue listings — order genuine parts against your VIN |
| Fitment notes | Diesel 2.2/2.4/2.5 and petrol 2.4 listed generally. |
Mitsubishi L200 Exhaust System: The Part That Announces Its Own Problems
On the Mitsubishi L200, you'll typically hear this fault developing long before you'd ever see it — a new rattle, an odd drone, noise levels creeping up from one week to the next. That early audible warning is a genuine head start on catching the problem before it worsens.
Mitsubishi L200 Exhaust System: What It Does
The Mitsubishi L200's exhaust does more than just carry gases away from the engine — it also handles noise reduction through the silencer and emissions treatment via a catalytic converter and particulate filter. That's why petrol and diesel versions can use entirely different systems.
Mitsubishi L200 Exhaust System: Watch: Replacing It
Model year not confirmed; weak
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A Genuinely Alarming, Honest Real Account Worth Knowing — Mitsubishi L200 Exhaust System
If a DPF fault returns shortly after a replacement, this is genuinely worth knowing before assuming the new part is simply faulty: one documented case on a related Mitsubishi diesel saw the DPF replaced directly by Mitsubishi, only for the exact same warning and limp mode issue to return just two weeks later. It later emerged that technicians had accidentally cut the turbo boost pipe during the original replacement work, with the owner reasonably suspecting this damage, rather than a genuinely faulty replacement part, was the actual cause. It's worth asking directly whether any other components were disturbed during a DPF replacement if the same fault returns shortly afterward.
It's also genuinely worth knowing two useful diagnostic points: an EGR valve sticking open can cause excessive soot accumulation that then gets misdiagnosed as a DPF fault specifically. And it's worth keeping an eye on the DPF additive fluid level, since running low or completely out can trigger warning lights that look identical to a genuine filter fault.
Mitsubishi L200 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 Mitsubishi Exhaust System
The same part, covered across other Mitsubishi models.