Mitsubishi L200 Spark Plugs: Intervals, Fitment & Warning Signs
On the L200, swapping plugs between two cylinders genuinely helps isolate whether a misfire is caused by the plug or something else entirely.
Illustration for editorial purposes
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OEM Part Number: none — UK L200s are 2.4 / 2.5 diesels with glow plugs, not spark plugs
| Petrol engines in this generation | 2.4 126 HP; 2.4 132 HP; 2.4 (KK4T) 128 HP; 2.4 2WD 128 HP; 2.4 4WD 132 HP (the L200 is mainly a diesel; the 2.2, 2.4 and 2.5 DI-D engines have no spark plugs) |
|---|---|
| Spark plugs (aftermarket) | Bosch 0 242 232 502 (gap 1.0 mm, M14x1.25, 16 mm hex); Bosch 0 242 240 593 (gap 0.8 mm, M14x1.25, 16 mm hex); Bosch 0 242 240 653 (gap 0.7 mm, M14x1.25, 16 mm hex); Bosch 0 242 236 616 (gap 1.1 mm, M14x1.25, 16 mm hex); Champion OE063/T10 (copper centre, gap 1.0 mm, M14x1.25, 16 mm hex); Ridex 686S0028 (iridium, gap 0.7 mm, M14x1.25, 16 mm hex); Ridex Plus 686S0081P (nickel-copper, gap 0.8 mm, M14x1.25, 16 mm hex) |
| Genuine (OE) numbers quoted | None quoted in catalogue listings — order genuine plugs against your VIN / engine code |
| Fitment notes | No NGK or Denso part is listed for the L200; all plugs are M14x1.25 / 16 mm, mostly copper or nickel types with a 1.0-1.1 mm gap, plus an iridium Ridex 686S0028 at 0.7 mm. |
Mitsubishi L200 Spark Plugs: A Cheap Part That Causes Expensive-Feeling Problems
A worn set of spark plugs in the Mitsubishi L200 doesn't make itself obvious: idle roughens slightly, acceleration loses a bit of urgency, and both symptoms are easy to blame on something else entirely. Given how inexpensive the part is, it often gets neglected for far longer than it should.
Mitsubishi L200 Spark Plugs: What They Do
Every combustion cycle in the Mitsubishi L200's petrol engine starts with a spark plug igniting the compressed fuel-air mixture, and their condition shapes efficiency, economy and smoothness directly. Diesel versions don't need them at all, relying purely on compression to ignite fuel.
Mitsubishi L200 Spark Plugs: Generations & Spark Plug Count
| Diesel variants, where fitted | Not applicable — diesel engines use compression ignition and have no spark plugs at all |
|---|---|
| Petrol variants (all trims) | 4 spark plugs — one per cylinder |
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A Genuinely Useful, Real Diagnostic Technique Worth Trying — Mitsubishi L200 Spark Plugs
If you're chasing a single-cylinder misfire after a plug replacement, this is genuinely worth trying: swapping the plugs between two cylinders and seeing whether the misfire follows the plug to its new cylinder is a genuinely useful, classic diagnostic technique. If the misfire moves with the swapped plug, the plug itself is likely the culprit; if it stays on the original cylinder, it points toward the coil, wiring, or an injector instead.
It's also genuinely worth knowing an honest warning worth taking seriously: the relationship between Mitsubishi's electronics and aftermarket ignition components can be genuinely unpredictable, worth bearing in mind when choosing replacement coils specifically.
Mitsubishi L200 Spark Plugs: Warning Signs, DIY Difficulty & Aftermarket Advice
These are the same regardless of make or model — see our full Spark Plugs Guide for symptoms of worn plugs, why matching your exact plug specification matters, and trusted brands to buy from.
More Mitsubishi Spark Plugs
The same part, covered across other Mitsubishi models.