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Autolite 4051 Spark Plug

Autolite 4051 Spark Plug Image 1
Autolite 4051 Spark Plug Image 2
Autolite 4051 Spark Plug

Autolite
Brand:Autolite
Part Number: 4051
UPC: 009100254689
Weight: 0.15 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the Autolite 4051 Spark Plug for your vehicle. Buy now and secure your purchase online!

Autolite Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.

Features and Benefits:

  • Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
  • Its specially engineered high nickel alloy center and ground electrode provides extended life.
  • The copper core center electrode aids in thermal control and improves resistance to fouling.
  • The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.

Specifications:

Center Electrode Core Material:
Copper
Center Electrode Insulator Tip Projection:
0.039 in.
Center Electrode Insulator Tip Projection:
0.99 mm
Center Electrode Projection:
Short Projection
Center Electrode Tip Material:
Nickel
Core Nose Length:
0.185 in.
Core Nose Length:
4.7 mm
Electrical Terminal Type:
Removable Nut
Grade Type:
Regular
Ground Electrode Core Material:
Nickel
Ground Electrode Quantity:
1
Ground Electrode Tip Design:
Standard
Ground Electrode Tip Material:
Nickel
Hex Size:
13/16 in.
Hex Type:
Hex
Indexed:
No
Insulator Height:
2.224 in.
Insulator Height:
56.49 mm
Insulator Material:
Ceramic
Manufacturer Heat Range:
15
Pre-Gap Size:
0.025 in.
Pre-Gap Size:
0.64 mm
Reach:
0.75 in.
Reach:
19.05 mm
Resistance:
1 Ohm
Resistor Type:
No
Seat Type:
Flat
Skirt Length:
0.542 in.
Skirt Length:
13.77 mm
Skirt:
Yes
Thread Diameter:
14 mm
Washer Included:
Yes
Washer Type:
Flat
Bosch #:
7700
Champion Spark Plug #:
782
DENSO Auto Parts #:
4123
Motorcraft #:
AG501X
NGK #:
2145
NGK #:
B10EG
NGK #:
B10EGP
NGK #:
B10EGV
NGK #:
B10EIX
NGK #:
B10ES
NGK #:
B10EVX
NGK #:
B95EGV
NGK #:
BR10ECS
NGK #:
BR10EG
NGK #:
BR10EG SOLID
NGK #:
BR10EIX
NGK #:
BR10EIX SOLID
NGK #:
BR10ES
NGK #:
BR10ES SOLID
NGK #:
BR10EV
NGK #:
BR10EYA
NGK #:
BR10HIX
NGK #:
R6918B-8
Splitfire #:
SF405A
Country of Origin:
CN

Manufacturer Warranty:

2 Years

Select a vehicle to narrow Autolite 4051 Spark Plug fitment info!

Last Updated: 10/05/2024

Years Vehicle Per Vehicle Fit NotesFitment Notes
Arctic Cat AC 440 Sno Pro

-L U/K
2
 
Copper Non-Resistor
Gap .018 (in)
 

Arctic Cat AC 440 Sno Pro



-L U/K Copper Non-Resistor
Gap .018 (in)

2 Per Vehicle
Arctic Cat AC 440 Sno Pro Modified

-L U/K
2
 
Copper Non-Resistor
Gap .018 (in)
 

Arctic Cat AC 440 Sno Pro Modified



-L U/K Copper Non-Resistor
Gap .018 (in)

2 Per Vehicle
Arctic Cat Cheetah 530 L/C

-L U/K
2
 
Copper Non-Resistor
Gap .028 (in)
 

Arctic Cat Cheetah 530 L/C



-L U/K Copper Non-Resistor
Gap .028 (in)

2 Per Vehicle
Arctic Cat El Tigre

-L U/K
2
 
Copper Non-Resistor
Gap .028 (in)
 

Arctic Cat El Tigre



-L U/K Copper Non-Resistor
Gap .028 (in)

2 Per Vehicle
Arctic Cat El Tigre 6000

-L U/K
2
 
Copper Non-Resistor
Gap .028 (in)
 

Arctic Cat El Tigre 6000



-L U/K Copper Non-Resistor
Gap .028 (in)

2 Per Vehicle
Arctic Cat El Tigre 6000

-L U/K
2
 
Copper Non-Resistor
Gap .020 (in)
 

Arctic Cat El Tigre 6000



-L U/K Copper Non-Resistor
Gap .020 (in)

2 Per Vehicle
Arctic Cat El Tigre 6000 L/C

-L U/K
2
 
Copper Non-Resistor
Gap .020 (in)
 

Arctic Cat El Tigre 6000 L/C



-L U/K Copper Non-Resistor
Gap .020 (in)

2 Per Vehicle
Arctic Cat EXT 340

-L U/K
2
 
Copper Non-Resistor
Gap .016 (in)
 

Arctic Cat EXT 340



-L U/K Copper Non-Resistor
Gap .016 (in)

2 Per Vehicle
Arctic Cat EXT 399

-L U/K
2
 
Copper Non-Resistor
Gap .016 (in)
 

Arctic Cat EXT 399



-L U/K Copper Non-Resistor
Gap .016 (in)

2 Per Vehicle
Arctic Cat EXT 440

-L U/K
2
 
Copper Non-Resistor
Gap .016 (in)
 

Arctic Cat EXT 440



-L U/K Copper Non-Resistor
Gap .016 (in)

2 Per Vehicle
Arctic Cat Wildcat 650

-L U/K
2
 
Copper Non-Resistor
Gap .028 (in)
 

Arctic Cat Wildcat 650



-L U/K Copper Non-Resistor
Gap .028 (in)

2 Per Vehicle
Arctic Cat Wildcat Mountain Cat

-L U/K
2
 
Copper Non-Resistor
Gap .028 (in)
 

Arctic Cat Wildcat Mountain Cat



-L U/K Copper Non-Resistor
Gap .028 (in)

2 Per Vehicle
Arctic Cat Z 250

-L U/K
2
 
Copper Non-Resistor
Gap .018 (in)
 

Arctic Cat Z 250



-L U/K Copper Non-Resistor
Gap .018 (in)

2 Per Vehicle
Arctic Cat Z 440

-L U/K
2
 
Copper Non-Resistor
Gap .018 (in)
 

Arctic Cat Z 440



-L U/K Copper Non-Resistor
Gap .018 (in)

2 Per Vehicle
Arctic Cat Z 440 Sno Pro

-L U/K
2
 
Copper Non-Resistor
Gap .018 (in)
 

Arctic Cat Z 440 Sno Pro



-L U/K Copper Non-Resistor
Gap .018 (in)

2 Per Vehicle
Arctic Cat ZR 440 Sno Pro

-L U/K
2
 
Copper Non-Resistor
Gap .031 (in)
 

Arctic Cat ZR 440 Sno Pro



-L U/K Copper Non-Resistor
Gap .031 (in)

2 Per Vehicle
ATK 125 LQ

-L U/K
1
 
Copper Non-Resistor
Gap .025 (in)
 

ATK 125 LQ



-L U/K Copper Non-Resistor
Gap .025 (in)

1 Per Vehicle
ATK 50 MXLQ

-L U/K
1
 
Copper Non-Resistor
Gap .028 (in)
 

ATK 50 MXLQ



-L U/K Copper Non-Resistor
Gap .028 (in)

1 Per Vehicle
Bultaco Pursang 370

-L U/K
1
 
Copper Non-Resistor
Front Cylinder
Gap .015 (in)
 

Bultaco Pursang 370



-L U/K Copper Non-Resistor
Front Cylinder
Gap .015 (in)

1 Per Vehicle
Gas Gas MC 65

-L U/K
1
 
Copper Non-Resistor
Gap .028 (in)
 

Gas Gas MC 65



-L U/K Copper Non-Resistor
Gap .028 (in)

1 Per Vehicle
Honda CR500R

-L U/K
1
 
Copper Non-Resistor
Gap .024 (in)
 

Honda CR500R



-L U/K Copper Non-Resistor
Gap .024 (in)

1 Per Vehicle
Honda CR80R

-L U/K
1
 
Copper Non-Resistor
Gap .024 (in)
 

Honda CR80R



-L U/K Copper Non-Resistor
Gap .024 (in)

1 Per Vehicle
Honda CR80RB Expert

-L U/K
1
 
Copper Non-Resistor
Gap .024 (in)
 

Honda CR80RB Expert



-L U/K Copper Non-Resistor
Gap .024 (in)

1 Per Vehicle
Honda CR85R

-L U/K
1
 
Copper Non-Resistor
Gap .024 (in)
 

Honda CR85R



-L U/K Copper Non-Resistor
Gap .024 (in)

1 Per Vehicle
Honda CR85RB Expert

-L U/K
1
 
Copper Non-Resistor
Gap .024 (in)
 

Honda CR85RB Expert



-L U/K Copper Non-Resistor
Gap .024 (in)

1 Per Vehicle
Husqvarna WMX 125

-L U/K
1
 
Copper Non-Resistor
Gap .020 (in)
 

Husqvarna WMX 125



-L U/K Copper Non-Resistor
Gap .020 (in)

1 Per Vehicle
John Deere 800

-L U/K
1
 
Copper Non-Resistor
From Serial #(s) 30001
Severe Service
Gap .020 (in)
 

John Deere 800



-L U/K Copper Non-Resistor
From Serial #(s) 30001
Severe Service
Gap .020 (in)

1 Per Vehicle
John Deere Cyclone 340

-L U/K
1
 
Copper Non-Resistor
Gap .020 (in)
 

John Deere Cyclone 340



-L U/K Copper Non-Resistor
Gap .020 (in)

1 Per Vehicle
John Deere Cyclone 440

-L U/K
1
 
Copper Non-Resistor
Gap .020 (in)
 

John Deere Cyclone 440



-L U/K Copper Non-Resistor
Gap .020 (in)

1 Per Vehicle
John Deere JDX4

-L U/K
1
 
Copper Non-Resistor
Gap .020 (in)
 

John Deere JDX4



-L U/K Copper Non-Resistor
Gap .020 (in)

1 Per Vehicle
John Deere JDX6

-L U/K
1
 
Copper Non-Resistor
Gap .020 (in)
 

John Deere JDX6



-L U/K Copper Non-Resistor
Gap .020 (in)

1 Per Vehicle
John Deere JDX8

-L U/K
1
 
Copper Non-Resistor
From Serial #(s) 30001
Severe Service
Gap .020 (in)
 

John Deere JDX8



-L U/K Copper Non-Resistor
From Serial #(s) 30001
Severe Service
Gap .020 (in)

1 Per Vehicle
John Deere JDX8

-L U/K
1
 
Copper Non-Resistor
Gap .020 (in)
 

John Deere JDX8



-L U/K Copper Non-Resistor
Gap .020 (in)

1 Per Vehicle
John Deere Liquifire 340

-L U/K
1
 
Copper Non-Resistor
Gap .020 (in)
 

John Deere Liquifire 340



-L U/K Copper Non-Resistor
Gap .020 (in)

1 Per Vehicle
John Deere Liquifire 440

-L U/K
1
 
Copper Non-Resistor
Gap .020 (in)
 

John Deere Liquifire 440



-L U/K Copper Non-Resistor
Gap .020 (in)

1 Per Vehicle
Kawasaki JH1200 Ultra 150

-L U/K
1
 
Copper Non-Resistor
Gap .024 (in)
 

Kawasaki JH1200 Ultra 150



-L U/K Copper Non-Resistor
Gap .024 (in)

1 Per Vehicle
Kawasaki KX125

-L U/K
1
 
Copper Non-Resistor
Gap .028 (in)
 

Kawasaki KX125



-L U/K Copper Non-Resistor
Gap .028 (in)

1 Per Vehicle
Kawasaki KX125

-L U/K
1
 
Copper Non-Resistor
Gap .028 (in)
 

Kawasaki KX125



-L U/K Copper Non-Resistor
Gap .028 (in)

1 Per Vehicle
Kawasaki KX65

-L U/K
1
 
Copper Non-Resistor
Gap .028 (in)
 

Kawasaki KX65



-L U/K Copper Non-Resistor
Gap .028 (in)

1 Per Vehicle
Kawasaki KX65

-L U/K
1
 
Copper Non-Resistor
Gap .028 (in)
 

Kawasaki KX65



-L U/K Copper Non-Resistor
Gap .028 (in)

1 Per Vehicle
Kawasaki KX65

-L U/K
1
 
Copper Non-Resistor
Gap .028 (in)
 

Kawasaki KX65



-L U/K Copper Non-Resistor
Gap .028 (in)

1 Per Vehicle
Kawasaki KX80

-L U/K
1
 
Copper Non-Resistor
Gap .030 (in)
 

Kawasaki KX80



-L U/K Copper Non-Resistor
Gap .030 (in)

1 Per Vehicle
KTM 125 EXC

-L U/K
1
 
Copper Non-Resistor
Gap .024 (in)
 

KTM 125 EXC



-L U/K Copper Non-Resistor
Gap .024 (in)

1 Per Vehicle
KTM 125 MX

-L U/K
1
 
Copper Non-Resistor
Gap .024 (in)
 

KTM 125 MX



-L U/K Copper Non-Resistor
Gap .024 (in)

1 Per Vehicle
KTM 125 Sting

-L U/K
1
 
Copper Non-Resistor
Gap .024 (in)
 

KTM 125 Sting



-L U/K Copper Non-Resistor
Gap .024 (in)

1 Per Vehicle
KTM 125 SX

-L U/K
1
 
Copper Non-Resistor
Gap .024 (in)
 

KTM 125 SX



-L U/K Copper Non-Resistor
Gap .024 (in)

1 Per Vehicle
KTM 60 SX

-L U/K
1
 
Copper Non-Resistor
Gap .024 (in)
 

KTM 60 SX



-L U/K Copper Non-Resistor
Gap .024 (in)

1 Per Vehicle
KTM 65 XC

-L U/K
1
 
Copper Non-Resistor
Gap .024 (in)
 

KTM 65 XC



-L U/K Copper Non-Resistor
Gap .024 (in)

1 Per Vehicle
Polaris 800 Assault RMK 146

-L U/K
2
 
Copper Non-Resistor
Gap .020 (in)
 

Polaris 800 Assault RMK 146



-L U/K Copper Non-Resistor
Gap .020 (in)

2 Per Vehicle
Polaris 800 Dragon IQ

-L U/K
1
 
Copper Non-Resistor
Gap .020 (in)
 

Polaris 800 Dragon IQ



-L U/K Copper Non-Resistor
Gap .020 (in)

1 Per Vehicle
Polaris 800 Dragon RMK 155

-L U/K
2
 
Copper Non-Resistor
Gap .020 (in)
 

Polaris 800 Dragon RMK 155



-L U/K Copper Non-Resistor
Gap .020 (in)

2 Per Vehicle
Polaris 800 Dragon RMK 163

-L U/K
1
 
Copper Non-Resistor
Gap .020 (in)
 

Polaris 800 Dragon RMK 163



-L U/K Copper Non-Resistor
Gap .020 (in)

1 Per Vehicle
Polaris 800 Dragon SP

-L U/K
1
 
Copper Non-Resistor
Gap .020 (in)
 

Polaris 800 Dragon SP



-L U/K Copper Non-Resistor
Gap .020 (in)

1 Per Vehicle
Polaris 800 IQ

-L U/K
1
 
Copper Non-Resistor
Gap .020 (in)
 

Polaris 800 IQ



-L U/K Copper Non-Resistor
Gap .020 (in)

1 Per Vehicle
Polaris 800 PRO-RMK 155

-L U/K
1
 
Copper Non-Resistor
Gap .020 (in)
 

Polaris 800 PRO-RMK 155



-L U/K Copper Non-Resistor
Gap .020 (in)

1 Per Vehicle
Polaris 800 PRO-RMK 163

-L U/K
1
 
Copper Non-Resistor
Gap .020 (in)
 

Polaris 800 PRO-RMK 163



-L U/K Copper Non-Resistor
Gap .020 (in)

1 Per Vehicle
Polaris 800 RMK 144

-L U/K
2
 
Copper Non-Resistor
Gap .020 (in)
 

Polaris 800 RMK 144



-L U/K Copper Non-Resistor
Gap .020 (in)

2 Per Vehicle
Polaris 800 RMK 155

-L U/K
1
 
Copper Non-Resistor
Gap .020 (in)
 

Polaris 800 RMK 155



-L U/K Copper Non-Resistor
Gap .020 (in)

1 Per Vehicle
Polaris 800 RMK Assault 155

-L U/K
1
 
Copper Non-Resistor
Gap .020 (in)
 

Polaris 800 RMK Assault 155



-L U/K Copper Non-Resistor
Gap .020 (in)

1 Per Vehicle
Ski-Doo Blizzard 6500 Plus

-L U/K
1
 
Copper Non-Resistor
Gap .016 (in)
 

Ski-Doo Blizzard 6500 Plus



-L U/K Copper Non-Resistor
Gap .016 (in)

1 Per Vehicle
Ski-Doo Blizzard 7500 Plus

-L U/K
1
 
Copper Non-Resistor
Gap .016 (in)
 

Ski-Doo Blizzard 7500 Plus



-L U/K Copper Non-Resistor
Gap .016 (in)

1 Per Vehicle
Ski-Doo Formula Mach Z

-L U/K
1
 
Copper Non-Resistor
Gap .018 (in)
 

Ski-Doo Formula Mach Z



-L U/K Copper Non-Resistor
Gap .018 (in)

1 Per Vehicle
Ski-Doo Mach Z

-L U/K
3
 
Copper Non-Resistor
Gap .020 (in)
 

Ski-Doo Mach Z



-L U/K Copper Non-Resistor
Gap .020 (in)

3 Per Vehicle
Ski-Doo Mach Z

-L U/K
1
 
Copper Non-Resistor
Gap .020 (in)
 

Ski-Doo Mach Z



-L U/K Copper Non-Resistor
Gap .020 (in)

1 Per Vehicle
Ski-Doo Mach Z LT

-L U/K
3
 
Copper Non-Resistor
Gap .020 (in)
 

Ski-Doo Mach Z LT



-L U/K Copper Non-Resistor
Gap .020 (in)

3 Per Vehicle
Ski-Doo Mach Z LT

-L U/K
1
 
Copper Non-Resistor
Gap .020 (in)
 

Ski-Doo Mach Z LT



-L U/K Copper Non-Resistor
Gap .020 (in)

1 Per Vehicle
Ski-Doo Mach Z LT R

-L U/K
3
 
Copper Non-Resistor
Gap .020 (in)
 

Ski-Doo Mach Z LT R



-L U/K Copper Non-Resistor
Gap .020 (in)

3 Per Vehicle
Ski-Doo Mach Z LT SV Track

-L U/K
3
 
Copper Non-Resistor
Gap .020 (in)
 

Ski-Doo Mach Z LT SV Track



-L U/K Copper Non-Resistor
Gap .020 (in)

3 Per Vehicle
Ski-Doo Mach Z R

-L U/K
3
 
Copper Non-Resistor
Gap .020 (in)
 

Ski-Doo Mach Z R



-L U/K Copper Non-Resistor
Gap .020 (in)

3 Per Vehicle
Ski-Doo Mach Z Tech Plus

-L U/K
1
 
Copper Non-Resistor
Gap .020 (in)
 

Ski-Doo Mach Z Tech Plus



-L U/K Copper Non-Resistor
Gap .020 (in)

1 Per Vehicle
Ski-Doo Mach Z Tech Plus

-L U/K
3
 
Copper Non-Resistor
Gap .020 (in)
 

Ski-Doo Mach Z Tech Plus



-L U/K Copper Non-Resistor
Gap .020 (in)

3 Per Vehicle
Suzuki RM100

-L U/K
1
 
Copper Non-Resistor
Gap .032 (in)
 

Suzuki RM100



-L U/K Copper Non-Resistor
Gap .032 (in)

1 Per Vehicle
Suzuki RM65

-L U/K
1
 
Copper Non-Resistor
Gap .028 (in)
 

Suzuki RM65



-L U/K Copper Non-Resistor
Gap .028 (in)

1 Per Vehicle
Suzuki RM80

-L U/K
1
 
Copper Non-Resistor
Gap .028 (in)
 

Suzuki RM80



-L U/K Copper Non-Resistor
Gap .028 (in)

1 Per Vehicle
Suzuki RM85

-L U/K
1
 
Copper Non-Resistor
Gap .028 (in)
 

Suzuki RM85



-L U/K Copper Non-Resistor
Gap .028 (in)

1 Per Vehicle
Suzuki RM85

-L U/K
1
 
Copper Non-Resistor
Gap .028 (in)
 

Suzuki RM85



-L U/K Copper Non-Resistor
Gap .028 (in)

1 Per Vehicle
Suzuki RM85

-L U/K
1
 
Copper Non-Resistor
Gap .028 (in)
 

Suzuki RM85



-L U/K Copper Non-Resistor
Gap .028 (in)

1 Per Vehicle
Suzuki RM85L

-L U/K
1
 
Copper Non-Resistor
Gap .028 (in)
 

Suzuki RM85L



-L U/K Copper Non-Resistor
Gap .028 (in)

1 Per Vehicle
Suzuki RM85L

-L U/K
1
 
Copper Non-Resistor
Gap .028 (in)
 

Suzuki RM85L



-L U/K Copper Non-Resistor
Gap .028 (in)

1 Per Vehicle
TM 125E

-L U/K
1
 
Copper Non-Resistor
Gap .025 (in)
 

TM 125E



-L U/K Copper Non-Resistor
Gap .025 (in)

1 Per Vehicle
TM 80E

-L U/K
1
 
Copper Non-Resistor
Gap .025 (in)
 

TM 80E



-L U/K Copper Non-Resistor
Gap .025 (in)

1 Per Vehicle
TM MX125

-L U/K
1
 
Copper Non-Resistor
Gap .025 (in)
 

TM MX125



-L U/K Copper Non-Resistor
Gap .025 (in)

1 Per Vehicle
TM MX80

-L U/K
1
 
Copper Non-Resistor
Gap .025 (in)
 

TM MX80



-L U/K Copper Non-Resistor
Gap .025 (in)

1 Per Vehicle
Yamaha IT175

-L U/K
1
 
Copper Non-Resistor
Gap .024 (in)
 

Yamaha IT175



-L U/K Copper Non-Resistor
Gap .024 (in)

1 Per Vehicle
Yamaha MSRX700 Mountain SRX 700

-L U/K
1
 
Copper Non-Resistor
Gap .030 (in)
 

Yamaha MSRX700 Mountain SRX 700



-L U/K Copper Non-Resistor
Gap .030 (in)

1 Per Vehicle
Yamaha SRX700

-L U/K
1
 
Copper Non-Resistor
Gap .030 (in)
 

Yamaha SRX700



-L U/K Copper Non-Resistor
Gap .030 (in)

1 Per Vehicle
Yamaha TR3

-L U/K
1
 
Copper Non-Resistor
Gap .024 (in)
 

Yamaha TR3



-L U/K Copper Non-Resistor
Gap .024 (in)

1 Per Vehicle
Yamaha TZ250

-L U/K
1
 
Copper Non-Resistor
Gap .024 (in)
 

Yamaha TZ250



-L U/K Copper Non-Resistor
Gap .024 (in)

1 Per Vehicle
Yamaha TZ350

-L U/K
1
 
Copper Non-Resistor
Gap .024 (in)
 

Yamaha TZ350



-L U/K Copper Non-Resistor
Gap .024 (in)

1 Per Vehicle
Yamaha YZ125

-L U/K
1
 
Copper Non-Resistor
Gap .024 (in)
 

Yamaha YZ125



-L U/K Copper Non-Resistor
Gap .024 (in)

1 Per Vehicle
Yamaha YZ80

-L U/K
1
 
Copper Non-Resistor
Gap .022 (in)
 

Yamaha YZ80



-L U/K Copper Non-Resistor
Gap .022 (in)

1 Per Vehicle
Yamaha YZ85

-L U/K
1
 
Copper Non-Resistor
Gap .024 (in)
 

Yamaha YZ85



-L U/K Copper Non-Resistor
Gap .024 (in)

1 Per Vehicle


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