Suzuki DR350 Spark Plug
The Suzuki DR350 (350cc) takes an NGK DPR9EA-9 spark plug, gapped to 0.035".
Key takeaways
- Spark plug: NGK DPR9EA-9.
- Iridium upgrade: NGK CR9EIX.
- Gap: 0.035 inch - set it before fitting.
- Covers 1969-1999 (plug changed across years - see table).
Buy the plugs for your Suzuki DR350
The standard plug is the exact-fit replacement. The iridium version drops into the same spot, lasts longer, and fires a little stronger for a few dollars more. Many engines take more than one - check how many cylinders you have.
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Suzuki DR350 spark plugs by year
| Years | Standard | Iridium | Gap |
|---|---|---|---|
| 1994-1999 | DPR9EA-9 | CR9EIX | 0.035" |
| 1969-1972 | CR9EK | DPR9EIX-9 | 0.035" |
Frequently asked
What spark plug does a Suzuki DR350 take?
The Suzuki DR350 takes an NGK DPR9EA-9 spark plug, gapped to 0.035 inch. The iridium upgrade is the CR9EIX. See the by-year table for earlier models.
What is the spark plug gap for a Suzuki DR350?
The spark plug gap for the Suzuki DR350 is 0.035 inch. Check and set the gap before fitting a new plug - most powersports plugs need a small adjustment out of the box.
Can I use an iridium plug in a Suzuki DR350?
Yes. The CR9EIX is the iridium version of the DPR9EA-9 - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.
More parts for your Suzuki DR350
We cover the other consumables for your machine too - the exact fit, cited, in one place.