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  2. Auto Parts
  3. Ignition
  4. Secondary Ignition
  5. Spark Plug
  6. NGK 7866

NGK 7866 Spark Plug

NGK 7866 Spark Plug Image 1
NGK 7866 Spark Plug Image 2
NGK 7866 Spark Plug Image 3
NGK 7866 Spark Plug Image 4
NGK 7866 Spark Plug

NGK
Brand:NGK
Part Number: 7866
UPC: 00087295178669
Weight: 0.05 lbs
Condition:New



On Sale:

$11.76

Availability:
113 in Stock
Warehouse: US-4
Quantity:

Product Information

Description:

Get the NGK 7866 Spark Plug for your vehicle. Buy now and secure your purchase online!

NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.

Features and Benefits:

  • ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction fine wire iridium alloy center electrode provides consistent performance
  • IRIDIUM ALLOY CENTER ELECTRODE: Iridium's density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
  • PLATINUM TIP GROUND ELECTRODE: Unless OE specified, platinum protection at the ground electrode provides excellent ignitability and service life
  • RECOMMENDED USAGE: Best for vehicles with OE fine wire iridium alloy plugs
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal

Specifications:

Center Electrode Core Material:
Copper
Center Electrode Tip Material:
Iridium
Electrical Terminal Type:
Non-Removable Nut
Ground Configuration:
Standard
Ground Electrode Core Material:
Nickel
Ground Electrode Quantity:
1
Ground Electrode Tip Design:
Standard
Hex Size:
5/8 in.
Insulator Height:
50.50 mm
Manufacturer Heat Range:
5
Part Number:
IFR5N10
Pre-Gap Size:
.040 in.
Reach:
.75 in.
Resistance:
5000.0 Ohm
Seat Type:
Flat
Stock Number:
7866
Thread Diameter:
14.00 mm
DENSO Auto Parts #:
4503
DENSO Auto Parts #:
4701
DENSO Auto Parts #:
IK16TT
DENSO Auto Parts #:
PK16TT
Jaguar #:
AJ84575
Jaguar #:
C2A1535
Land Rover #:
4550157
Land Rover #:
LR005253
NGK #:
7866
Country of Origin:
JP

Manufacturer Warranty:

2 Months

Select a vehicle to narrow NGK 7866 Spark Plug fitment info!

Last Updated: 09/02/2024

Years Vehicle Per Vehicle Fit NotesFitment Notes

2008

 

2007

 

2008

 

2007

 
Jaguar S-Type

4.2L V8 Gas DOHC,
4.2L V8 Gas DOHC Supercharged
8
 
Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
100,000 mi OE Mfr Recommended Service Interval
 

Jaguar S-Type



4.2L V8 Gas DOHC,
4.2L V8 Gas DOHC Supercharged Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
100,000 mi OE Mfr Recommended Service Interval

8 Per Vehicle

2006

 

2005

 

2004

 

2006

 

2005

 

2004

 
Jaguar S-Type

4.2L V8 Gas DOHC,
4.2L V8 Gas DOHC Supercharged
8
 
Laser Iridium Spark Plug
Gap 0.040
 

Jaguar S-Type



4.2L V8 Gas DOHC,
4.2L V8 Gas DOHC Supercharged Laser Iridium Spark Plug
Gap 0.040

8 Per Vehicle

2003

 

2003

 
Jaguar S-Type

4.2L V8 Gas DOHC,
4.2L V8 Gas DOHC Supercharged
8
 
Laser Iridium Spark Plug
Gap 0.040
OE Equivalent Design
100,000 mi OE Mfr Recommended Service Interval
 

Jaguar S-Type



4.2L V8 Gas DOHC,
4.2L V8 Gas DOHC Supercharged Laser Iridium Spark Plug
Gap 0.040
OE Equivalent Design
100,000 mi OE Mfr Recommended Service Interval

8 Per Vehicle

2009

 

2008

 

2007

 

2006

 

2005

 

2009

 

2008

 

2007

 

2006

 

2005

 
Jaguar Super V8

4.2L V8 Gas DOHC Supercharged
8
 
Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
60,000 mi OE Mfr Recommended Service Interval
 

Jaguar Super V8



4.2L V8 Gas DOHC Supercharged Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
60,000 mi OE Mfr Recommended Service Interval

8 Per Vehicle

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 
Jaguar Vanden Plas

4.2L V8 Gas DOHC
8
 
Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
100,000 mi OE Mfr Recommended Service Interval
 

Jaguar Vanden Plas



4.2L V8 Gas DOHC Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
100,000 mi OE Mfr Recommended Service Interval

8 Per Vehicle

2003

 

2002

 

2001

 

2000

 

2003

 

2002

 

2001

 

2000

 
Jaguar Vanden Plas

4.0L V8 Gas DOHC Supercharged
8
 
Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
60,000 mi OE Mfr Recommended Service Interval
 

Jaguar Vanden Plas



4.0L V8 Gas DOHC Supercharged Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
60,000 mi OE Mfr Recommended Service Interval

8 Per Vehicle

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 
Jaguar Vanden Plas

4.0L V8 Gas DOHC
8
 
Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
100,000 mi OE Mfr Recommended Service Interval
 

Jaguar Vanden Plas



4.0L V8 Gas DOHC Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
100,000 mi OE Mfr Recommended Service Interval

8 Per Vehicle

1997

 

1996

 

1995

 

1994

 

1993

 

1997

 

1996

 

1995

 

1994

 

1993

 
Jaguar Vanden Plas

4.0L L6 Gas DOHC
6
 
Laser Iridium Spark Plug
Gap 0.035
 

Jaguar Vanden Plas



4.0L L6 Gas DOHC Laser Iridium Spark Plug
Gap 0.035

6 Per Vehicle

2010

 

2009

 

2010

 

2009

 
Jaguar XF

4.2L V8 Gas DOHC
8
 
Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
100,000 mi OE Mfr Recommended Service Interval
 

Jaguar XF



4.2L V8 Gas DOHC Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
100,000 mi OE Mfr Recommended Service Interval

8 Per Vehicle

2009

 

2009

 
Jaguar XF

4.2L V8 Gas DOHC Supercharged
8
 
Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
100,000 mi OE Mfr Recommended Service Interval
 

Jaguar XF



4.2L V8 Gas DOHC Supercharged Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
100,000 mi OE Mfr Recommended Service Interval

8 Per Vehicle

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 
Jaguar XJ8

4.2L V8 Gas DOHC
8
 
Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
100,000 mi OE Mfr Recommended Service Interval
 

Jaguar XJ8



4.2L V8 Gas DOHC Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
100,000 mi OE Mfr Recommended Service Interval

8 Per Vehicle

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 
Jaguar XJ8

4.0L V8 Gas DOHC
8
 
Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
100,000 mi OE Mfr Recommended Service Interval
 

Jaguar XJ8



4.0L V8 Gas DOHC Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
100,000 mi OE Mfr Recommended Service Interval

8 Per Vehicle

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 
Jaguar XJR

4.2L V8 Gas DOHC Supercharged
8
 
Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
60,000 mi OE Mfr Recommended Service Interval
 

Jaguar XJR



4.2L V8 Gas DOHC Supercharged Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
60,000 mi OE Mfr Recommended Service Interval

8 Per Vehicle

2003

 

2002

 

2001

 

2000

 

2003

 

2002

 

2001

 

2000

 
Jaguar XJR

4.0L V8 Gas DOHC Supercharged
8
 
Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
60,000 mi OE Mfr Recommended Service Interval
 

Jaguar XJR



4.0L V8 Gas DOHC Supercharged Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
60,000 mi OE Mfr Recommended Service Interval

8 Per Vehicle

1999

 

1999

 
Jaguar XJR

4.0L V8 Gas DOHC Supercharged
8
 
Laser Iridium Spark Plug
From VIN # F00035
Gap 0.040
Actual OE Manufacturer
60,000 mi OE Mfr Recommended Service Interval
 

Jaguar XJR



4.0L V8 Gas DOHC Supercharged Laser Iridium Spark Plug
From VIN # F00035
Gap 0.040
Actual OE Manufacturer
60,000 mi OE Mfr Recommended Service Interval

8 Per Vehicle

2009

 

2008

 

2007

 

2009

 

2008

 

2007

 
Jaguar XK

4.2L V8 Gas DOHC
8
 
Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
100,000 mi OE Mfr Recommended Service Interval
 

Jaguar XK



4.2L V8 Gas DOHC Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
100,000 mi OE Mfr Recommended Service Interval

8 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
Jaguar XK8

4.2L V8 Gas DOHC
8
 
Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
100,000 mi OE Mfr Recommended Service Interval
 

Jaguar XK8



4.2L V8 Gas DOHC Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
100,000 mi OE Mfr Recommended Service Interval

8 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 
Jaguar XK8

4.0L V8 Gas DOHC
8
 
Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
100,000 mi OE Mfr Recommended Service Interval
 

Jaguar XK8



4.0L V8 Gas DOHC Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
100,000 mi OE Mfr Recommended Service Interval

8 Per Vehicle

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 
Jaguar XKR

4.2L V8 Gas DOHC Supercharged
8
 
Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
60,000 mi OE Mfr Recommended Service Interval
 

Jaguar XKR



4.2L V8 Gas DOHC Supercharged Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
60,000 mi OE Mfr Recommended Service Interval

8 Per Vehicle

2002

 

2001

 

2002

 

2001

 
Jaguar XKR

4.0L V8 Gas DOHC Supercharged
8
 
Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
60,000 mi OE Mfr Recommended Service Interval
 

Jaguar XKR



4.0L V8 Gas DOHC Supercharged Laser Iridium Spark Plug
Gap 0.040
Actual OE Manufacturer
60,000 mi OE Mfr Recommended Service Interval

8 Per Vehicle

2000

 

2000

 
Jaguar XKR

4.0L V8 Gas DOHC Supercharged
8
 
Laser Iridium Spark Plug
From VIN # A00116
Gap 0.040
Actual OE Manufacturer
60,000 mi OE Mfr Recommended Service Interval
 

Jaguar XKR



4.0L V8 Gas DOHC Supercharged Laser Iridium Spark Plug
From VIN # A00116
Gap 0.040
Actual OE Manufacturer
60,000 mi OE Mfr Recommended Service Interval

8 Per Vehicle

2009

 

2008

 

2007

 

2006

 

2009

 

2008

 

2007

 

2006

 
Land Rover LR3

4.4L V8 Gas DOHC
8
 
Laser Iridium Spark Plug
Gap 0.039
Actual OE Manufacturer
105,000 mi OE Mfr Recommended Service Interval
 

Land Rover LR3



4.4L V8 Gas DOHC Laser Iridium Spark Plug
Gap 0.039
Actual OE Manufacturer
105,000 mi OE Mfr Recommended Service Interval

8 Per Vehicle

2005

 

2005

 
Land Rover LR3

4.4L V8 Gas DOHC
8
 
Laser Iridium Spark Plug
Gap 0.039
Actual OE Manufacturer
90,000 mi OE Mfr Recommended Service Interval
 

Land Rover LR3



4.4L V8 Gas DOHC Laser Iridium Spark Plug
Gap 0.039
Actual OE Manufacturer
90,000 mi OE Mfr Recommended Service Interval

8 Per Vehicle

2009

 

2008

 

2007

 

2006

 

2009

 

2008

 

2007

 

2006

 
Land Rover Range Rover

4.2L V8 Gas DOHC Supercharged,
4.4L V8 Gas DOHC
8
 
Laser Iridium Spark Plug
Gap 0.039
Actual OE Manufacturer
105,000 mi OE Mfr Recommended Service Interval
 

Land Rover Range Rover



4.2L V8 Gas DOHC Supercharged,
4.4L V8 Gas DOHC Laser Iridium Spark Plug
Gap 0.039
Actual OE Manufacturer
105,000 mi OE Mfr Recommended Service Interval

8 Per Vehicle

2009

 

2008

 

2007

 

2006

 

2009

 

2008

 

2007

 

2006

 
Land Rover Range Rover Sport

4.2L V8 Gas DOHC Supercharged,
4.4L V8 Gas DOHC
8
 
Laser Iridium Spark Plug
Gap 0.039
Actual OE Manufacturer
105,000 mi OE Mfr Recommended Service Interval
 

Land Rover Range Rover Sport



4.2L V8 Gas DOHC Supercharged,
4.4L V8 Gas DOHC Laser Iridium Spark Plug
Gap 0.039
Actual OE Manufacturer
105,000 mi OE Mfr Recommended Service Interval

8 Per Vehicle