DENSO U-Groove Spark Plug: OE Performance, K20R-U, 3122
In stock
$5.99
Listed as compatible with this vehicle by the retailer feed.
Check price2004 Mitsubishi Montero Spark Plugs
4 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
NGK Standard Nickel Spark Plug (BKR6ES): Reliable OE Performance, 6364
In stock
$5.99
Listed as compatible with this vehicle by the retailer feed.
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DENSO Iridium Long-Life Spark Plug: OE Performance, SK20PR-A8, 3403
In stock
$21.99
Listed as compatible with this vehicle by the retailer feed.
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NGK Laser Iridium Spark Plug (IFR6B): Fine Wire Tip for Efficiency, 6507
In stock
$22.99
Listed as compatible with this vehicle by the retailer feed.
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This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.