NGK FR4 - Alternative spark plugs

There are 57 replacement spark plugs for NGK FR4. The cross references are for general reference only, please check specifications for your application.

Compatible plug on Amazon

NGK V-Power Spark Plug FR4 (4 Pack) Compatible With OLDSMOBILE ACHIEVA S 1992-1992 2.3L/140

19.92$

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Specifications for NGK FR4

Thread diameter: 14.0 mm
Thread reach: 19 mm
Hex size: 16 mm

NGK FR4 replacement spark plugs

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Replacement spark plugs for NGK FR4 on Amazon

NGK (5155) FR4 Spark Plug - Pack of 4

USD 15.69

NGK Spark Plugs FR4 Spark Plug

USD 5.99

NGK Spark Plug LFR4A-E- Set of 4

USD 36.87

NGK V-Power Spark Plug FR4 (4 Pack) Compatible With OLDSMOBILE CUTLASS CALAIS 1988-1991 2.3L/138

USD 19.21

NGK V-Power Spark Plug FR4 (4 Pack) Compatible With BUICK SKYLARK LIMITED 1993-1994 2.3L/138

USD 19.16

NGK V-Power Spark Plug FR4 (8 Pack) Compatible With CHEVROLET CORVETTE ZR-1 1990-1991 5.7L/350

USD 32.66

NGK V-Power Spark Plug FR4 (4 Pack) Compatible With OLDSMOBILE CALAIS 1987-1987 2.3L/138

USD 19.23

NGK V-Power Spark Plug FR4 (8 Pack) Compatible With DODGE W150 1992-1993 5.2L/318

USD 34.96

NGK V-Power Spark Plug FR4 (4 Pack) Compatible With OLDSMOBILE ACHIEVA S 1992-1992 2.3L/140

USD 19.92

OEM (Pack of 4) Champion Spark Plugs for Denso K16PRU, K16PR-U11, K16PRU11 Engine

USD 17.99

OEM Champion Spark Plug for Denso K16PRU, K16PR-U11, K16PRU11 Small Engine Motor

USD 9.99

OEM (Pack of 2) Champion Spark Plugs for Denso K16PRU, K16PR-U11, K16PRU11 Engine

USD 13.99

4 PCSNEW -- DENSO #3191 -- U-GROOVE - Standard Spark Plugs -- K16PR-U

USD 18.55

6 PCSNEW -- DENSO #3191 -- U-GROOVE - Standard Spark Plugs -- K16PR-U

USD 24.84

Set (8pcs) Denso U-Groove Spark Plugs Stock 3191 Nickel Core .031"(0.8mm) Gap Size K16PR-U

USD 26.68

Spark Plug for AC Delco 41-602, 41-603, RC12YC Engines 41602 41603

USD 22.33

OEM (Pack of 8) Champion Spark Plugs for AC Delco 41-602, 41602, 41-603, 41603 Motor

USD 31.49

OEM (Pack of 24) Champion Spark Plugs for AC Delco 41-602, 41602, 41-603, 41603

USD 77.49

ACDelco 41-603 Spark Plug, Pack of 1

USD 8.88

OEM Champion Spark Plug for AC Delco 41-602, 41602, 41-603, 41603, RC12YC Engines

USD 9.99

Applications for this plug

Make	Model	Engine	Years	Engine size	Gap
CHEVROLET	Camaro	V8 EFI Alu Heads	1987 - 1992	5.7	0.9
CHEVROLET	Corvette	8 V8 EFI Alu Heads	1986 - 1991	5.7	0.9
FORD (USA)	Thunderbird	3 2 bbl CID232	1982 -	3.8	0.9
LINCOLN	Continental	3 2 bbl CID232	1982 -	3.8	0.9
MERCURY	Cougar	3 2 bbl CID232	1982 -	3.8	0.9

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