Availability
Spark Plugs
Spark Plug, Iridium Power, IK31, 14mm Thread, 19.00mm Reach, Flat Seat, Each
Part Number: DNP-5321
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Spark Plug, Iridium Racing, RU01-31, 14mm Thread, 19.00mm Reach, Flat Seat, Each
Part Number: DNP-5739
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Spark Plug, Iridium Power, IQ31, 14mm Thread, 19.00mm Reach, Flat Seat, KTM, Each
Part Number: DNP-5323
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Spark Plug, Iridium Power, IU31, 14mm Thread, 19.00mm Reach, Gasket Seat, Suzuki, Each
Part Number: DNP-5364
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Spark Plug, Iridium Racing, IRL01-31, 14mm Thread, 21.00mm Reach, Flat Seat, Each
Part Number: DNP-5755
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Spark Plug, Iridium Racing, IK01-31, 14mm Thread, 19.00mm Reach, Flat Seat, Each
Part Number: DNP-5703
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Spark Plug, Iridium Racing, IQ02-31, 14mm Thread, 19.00mm Reach, Flat Seat, Each
Part Number: DNP-5712
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Spark Plug, Iridium Racing, IW01-31, 14mm Thread, 19.00mm Reach, Flat Seat, Arctic Cat, Bultaco, Gas Gas, Husqvarna, Kawasaki, Ski-Doo, Yamaha, Each
Part Number: DNP-5716
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Spark Plug, Iridium Racing, IA01-31, 14mm Thread, 22.00mm Reach, Flat Seat, Each
Part Number: DNP-5723
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Spark Plug, Iridium Racing, IXU01-31, 12mm Thread, 19.00mm Reach, Flat Seat, Ducati, Each
Part Number: DNP-5732
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Spark Plug, Standard, W31ESR-U, 14mm Thread, 19.00mm Reach, Flat Seat, Arctic Cat, Kawasaki, Ski-Doo, Suzuki, Yamaha, Each
Part Number: DNP-4176
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Spark Plug, Standard, X31ESR-U, 12mm Thread, 19.00mm Reach, Flat Seat, Each
Part Number: DNP-4194
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Spark Plug, Standard, W31ES-U, 14mm Thread, 19.00mm Reach, Flat Seat, Arctic Cat, Bultaco, Gas Gas, Husqvarna, Kawasaki, KTM, Yamaha, Each
Part Number: DNP-4062
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Spark Plug, Iridium Racing, IRT01-31, 14mm Thread, 19.00mm Reach, Gasket Seat, Mazda, Each
Part Number: DNP-5752
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Spark Plug, Iridium Power, IRE01-31, 14mm Thread, 21.50mm Reach, Gasket Seat, Mazda, Each
Part Number: DNP-5720
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Spark Plug, Iridium Racing, IKH01-31, 14mm Thread, 26.50mm Reach, Flat Seat, Each
Part Number: DNP-5751
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Spark Plug, Standard, U31ETR, 14mm Thread, 19.00mm Reach, Flat Seat, Suzuki, Yamaha, Each
Part Number: DNP-4135
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Spark Plug, Iridium Racing, IU01-31, 14mm Thread, 19.00mm Reach, Flat Seat, Suzuki, Yamaha, Each
Part Number: DNP-5736
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Spark Plug, Iridium Power, IUF31A, 14mm Thread, 12.70mm Reach, Flat Seat, for use on Honda®, Each
Part Number: DNP-5386
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Spark Plug, Iridium Power, IW31, 14mm Thread, 19.00mm Reach, Flat Seat, Arctic Cat, Bultaco, Gas Gas, Husqvarna, Kawasaki, Ski-Doo, Yamaha, Each
Part Number: DNP-5319
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Spark Plug, Standard, U31ESR-N, 14mm Thread, 19.00mm Reach, Flat Seat, Suzuki, Each
Part Number: DNP-4187
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Spark Plug, Iridium Power, IWM31, 14mm Thread, 19.00mm Reach, Flat Seat, Each
Part Number: DNP-5393
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Spark Plug, Iridium Power, IU31A, 14mm Thread, 19.00mm Reach, Flat Seat, Suzuki, Yamaha, Each
Part Number: DNP-5367
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Spark Plug, Iridium Racing, IWM01-31, 14mm Thread, 19.00mm Reach, Flat Seat, Each
Part Number: DNP-5727
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Spark Plug, Iridium Racing, IK02-31, 14mm Thread, 19.00mm Reach, Flat Seat, Each
Part Number: DNP-5706
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
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