Brands Vehicles
Lowest Prices
Free Returns
Online Since 2009

Denso 5391 Spark Plug

Denso 5391 Spark Plug
Denso 5391 Spark Plug Image 1
Denso 5391 Spark Plug

Denso
Brand:Denso
Part Number: 5391
UPC: 042511053915
Weight: 0.11 lbs
Condition:New



On Sale:

$12.05

Availability:
51 in Stock
Warehouse: US-7
Quantity:

Product Information

Description:

Get the Denso 5391 Spark Plug for your vehicle. Buy now and secure your purchase online!

Increased performance with World's smallest Iridium Center Eletrode (0.4mm).

Specifications:

Center Electrode Core Material:
Copper
Center Electrode Tip Material:
Iridium
Gap Size:
0.8 mm
Ground Configuration:
Standard
Ground Electrode Core Material:
Nickel
Ground Electrode Quantity:
1
Ground Electrode Tip Design:
Tapercut, U-Groove
Hex Size:
20.6 mm
Manufacturer Heat Range:
24
Reach:
19.00 mm
Resistance:
5000 ohms
Seat Type:
Flat
Thread Diameter:
14.00 mm
DENSO Auto Parts #:
IWM24
Country of Origin:
JP

Select a vehicle to narrow Denso 5391 Spark Plug fitment info!

Last Updated: 11/08/2023

Years Vehicle Per Vehicle Fit NotesFitment Notes
Kawasaki KX250

-L U/K
1
 
Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Kawasaki KX250



-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle
Kawasaki KX250

-L U/K
1
 
Iridium Power
Gap 0.032
R Model
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Kawasaki KX250



-L U/K Iridium Power
Gap 0.032
R Model
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle
KTM 250 EXC

-L U/K
1
 
Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

KTM 250 EXC



-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle
KTM 250 MXC

-L U/K
1
 
Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

KTM 250 MXC



-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle
KTM 250 SXS

-L U/K
1
 
Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

KTM 250 SXS



-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle
KTM 300 EXC

-L U/K
1
 
Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

KTM 300 EXC



-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle
KTM 300 MXC

-L U/K
1
 
Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

KTM 300 MXC



-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle
KTM 360 MXC

-L U/K
1
 
Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

KTM 360 MXC



-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle
KTM 360 SX

-L U/K
1
 
Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

KTM 360 SX



-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle
KTM 380 EXC

-L U/K
1
 
Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

KTM 380 EXC



-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle
KTM 380 MXC

-L U/K
1
 
Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

KTM 380 MXC



-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle
KTM 380 SX

-L U/K
1
 
Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

KTM 380 SX



-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle
KTM 50 Mini Adventure

-L U/K
1
 
Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

KTM 50 Mini Adventure



-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle
KTM 50 Sr Adventure

-L U/K
1
 
Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

KTM 50 Sr Adventure



-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle
KTM 50 SX

-L U/K
1
 
Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

KTM 50 SX



-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle
KTM 50 SX Mini

-L U/K
1
 
Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

KTM 50 SX Mini



-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle
KTM 50 SX Pro Jr LC

-L U/K
1
 
Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

KTM 50 SX Pro Jr LC



-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle
KTM 50 SX Pro Sr LC

-L U/K
1
 
Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

KTM 50 SX Pro Sr LC



-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle
KTM 65 SX

-L U/K
1
 
Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

KTM 65 SX



-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle