|
| 12 | Iridium IX Spark Plug Gap 0.040
|
6.0L V12 Gas DOHC
Iridium IX Spark Plug Gap 0.040
12 Per Vehicle
|
|
Audi V8 Quattro
3.6L V8 Gas DOHC
| 8 | Iridium IX Spark Plug Gap 0.030
|
Audi V8 Quattro
3.6L V8 Gas DOHC
Iridium IX Spark Plug Gap 0.030
8 Per Vehicle
|
|
Buick Century
3.8L V6 Gas OHV
| 6 | Iridium IX Spark Plug Gap 0.045
|
3.8L V6 Gas OHV
Iridium IX Spark Plug Gap 0.045
6 Per Vehicle
|
|
Buick Electra
3.8L V6 Gas OHV
| 6 | Iridium IX Spark Plug Gap 0.045
|
3.8L V6 Gas OHV
Iridium IX Spark Plug Gap 0.045
6 Per Vehicle
|
|
Buick LaCrosse
5.3L V8 Gas OHV
| 8 | Iridium IX Spark Plug Gap 0.040
|
5.3L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
Buick LeSabre
3.8L V6 Gas OHV
| 6 | Iridium IX Spark Plug Gap 0.045 8th VIN Digit: 3
|
3.8L V6 Gas OHV
Iridium IX Spark Plug Gap 0.045 8th VIN Digit: 3
6 Per Vehicle
|
|
Buick LeSabre
3.8L V6 Gas OHV
| 6 | Iridium IX Spark Plug Gap 0.045
|
3.8L V6 Gas OHV
Iridium IX Spark Plug Gap 0.045
6 Per Vehicle
|
|
Buick LeSabre
3.0L V6 Gas OHV
| 6 | Iridium IX Spark Plug Gap 0.045
|
3.0L V6 Gas OHV
Iridium IX Spark Plug Gap 0.045
6 Per Vehicle
|
|
Buick LeSabre
3.8L V6 Gas OHV
| 6 | Iridium IX Spark Plug Gap 0.045 8th VIN Digit: 3
|
3.8L V6 Gas OHV
Iridium IX Spark Plug Gap 0.045 8th VIN Digit: 3
6 Per Vehicle
|
|
Buick Rainier
5.3L V8 Gas OHV
| 8 | Iridium IX Spark Plug Gap 0.040
|
5.3L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
Buick Riviera
3.8L V6 Gas OHV
| 6 | Iridium IX Spark Plug Gap 0.045
|
3.8L V6 Gas OHV
Iridium IX Spark Plug Gap 0.045
6 Per Vehicle
|
|
Buick Skylark
3.0L V6 Gas OHV
| 6 | Iridium IX Spark Plug Gap 0.045
|
3.0L V6 Gas OHV
Iridium IX Spark Plug Gap 0.045
6 Per Vehicle
|
|
Buick Somerset
3.0L V6 Gas OHV
| 6 | Iridium IX Spark Plug Gap 0.045
|
3.0L V6 Gas OHV
Iridium IX Spark Plug Gap 0.045
6 Per Vehicle
|
|
Buick Somerset Regal
3.0L V6 Gas OHV
| 6 | Iridium IX Spark Plug Gap 0.045
|
Buick Somerset Regal
3.0L V6 Gas OHV
Iridium IX Spark Plug Gap 0.045
6 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
5.7L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.2L V8 Flex OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
Cadillac Escalade
6.0L V8 FULL HYBRID EV-Flex FHEV OHV
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 FULL HYBRID EV-Flex FHEV OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
Cadillac Escalade
6.0L V8 FULL HYBRID EV-Gas FHEV OHV
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 FULL HYBRID EV-Gas FHEV OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.2L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
5.3L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.2L V8 Flex OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.2L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.2L V8 Flex OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.2L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
4.6L V8 Gas DOHC
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
4.6L V8 Gas DOHC
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
4.6L V8 Gas DOHC
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
5.3L V8 Flex OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
Chevrolet Avalanche
5.3L V8 Gas OHV, 6.0L V8 Gas OHV
| 8 | Iridium IX Spark Plug Gap 0.040
|
5.3L V8 Gas OHV, 6.0L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
5.3L V8 Flex OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
5.3L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.2L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
5.7L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 Flex OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
Chevrolet Cavalier
2.2L L4 Bi-Fuel OHV, 2.2L L4 Gas OHV
| 4 | Iridium IX Spark Plug Gap 0.040 8th VIN Digit: 4
|
2.2L L4 Bi-Fuel OHV, 2.2L L4 Gas OHV
Iridium IX Spark Plug Gap 0.040 8th VIN Digit: 4
4 Per Vehicle
|
|
| 4 | Iridium IX Spark Plug Gap 0.040
|
2.2L L4 Gas OHV
Iridium IX Spark Plug Gap 0.040
4 Per Vehicle
|
|
| 4 | Iridium IX Spark Plug Gap 0.040
|
2.2L L4 Bi-Fuel OHV
Iridium IX Spark Plug Gap 0.040
4 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
5.3L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.2L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
5.7L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.050 8th VIN Digit: 5
|
5.7L V8 Gas OHV
Iridium IX Spark Plug Gap 0.050 8th VIN Digit: 5
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.050 8th VIN Digit: J
|
5.7L V8 Gas DOHC
Iridium IX Spark Plug Gap 0.050 8th VIN Digit: J
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
5.3L V8 Flex OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
5.3L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 CNG OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 Flex OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
4.8L V8 Flex OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 CNG OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
Chevrolet Express 2500
4.8L V8 Gas OHV, 6.0L V8 Gas OHV
| 8 | Iridium IX Spark Plug Gap 0.040
|
4.8L V8 Gas OHV, 6.0L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
Chevrolet Express 2500
5.3L V8 Gas OHV, 6.0L V8 CNG OHV
| 8 | Iridium IX Spark Plug Gap 0.040
|
5.3L V8 Gas OHV, 6.0L V8 CNG OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 CNG OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 Flex OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
4.8L V8 Flex OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 CNG OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
Chevrolet Express 3500
4.8L V8 Gas OHV, 6.0L V8 Gas OHV
| 8 | Iridium IX Spark Plug Gap 0.040
|
4.8L V8 Gas OHV, 6.0L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 CNG OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 CNG
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 Flex
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 CNG OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 Flex OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
5.3L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 6 | Iridium IX Spark Plug Gap 0.045
|
3.4L V6 Gas DOHC
Iridium IX Spark Plug Gap 0.045
6 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
5.3L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 6 | Iridium IX Spark Plug Gap 0.045
|
3.4L V6 Gas DOHC
Iridium IX Spark Plug Gap 0.045
6 Per Vehicle
|
|
| 4 | Iridium IX Spark Plug Gap 0.040
|
2.2L L4 Gas OHV
Iridium IX Spark Plug Gap 0.040
4 Per Vehicle
|
|
| 4 | Iridium IX Spark Plug Gap 0.040
|
2.2L L4 Flex OHV
Iridium IX Spark Plug Gap 0.040
4 Per Vehicle
|
|
| 4 | Iridium IX Spark Plug Gap 0.040
|
2.2L L4 Gas OHV
Iridium IX Spark Plug Gap 0.040
4 Per Vehicle
|
|
Chevrolet Silverado 1500
4.8L V8 Flex OHV, 6.0L V8 FULL HYBRID EV-Flex FHEV OHV
| 8 | Iridium IX Spark Plug Gap 0.040
|
4.8L V8 Flex OHV, 6.0L V8 FULL HYBRID EV-Flex FHEV OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.2L V8 Flex OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
5.3L V8 Flex OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
Chevrolet Silverado 1500
6.0L V8 FULL HYBRID EV-Gas FHEV OHV
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 FULL HYBRID EV-Gas FHEV OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
Chevrolet Silverado 1500
4.8L V8 Gas OHV, 5.3L V8 Gas OHV
| 8 | Iridium IX Spark Plug Gap 0.040
|
4.8L V8 Gas OHV, 5.3L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
Chevrolet Silverado 1500
5.3L V8 FULL HYBRID EV-Gas FHEV OHV
| 8 | Iridium IX Spark Plug Gap 0.040
|
5.3L V8 FULL HYBRID EV-Gas FHEV OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
Chevrolet Silverado 1500 Classic
4.8L V8 Gas OHV, 5.3L V8 Flex OHV, 5.3L V8 FULL HYBRID EV-Gas FHEV OHV, 5.3L V8 Gas OHV, 6.0L V8 Gas OHV
| 8 | Iridium IX Spark Plug Gap 0.040
|
Chevrolet Silverado 1500 Classic
4.8L V8 Gas OHV, 5.3L V8 Flex OHV, 5.3L V8 FULL HYBRID EV-Gas FHEV OHV, 5.3L V8 Gas OHV, 6.0L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
Chevrolet Silverado 1500 HD Classic
6.0L V8 Gas OHV
| 8 | Iridium IX Spark Plug Gap 0.040
|
Chevrolet Silverado 1500 HD Classic
6.0L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
Chevrolet Silverado 2500
6.0L V8 Bi-Fuel OHV, 6.0L V8 CNG OHV
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 Bi-Fuel OHV, 6.0L V8 CNG OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
5.3L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 CNG OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 Flex OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 CNG OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 CNG OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
Chevrolet Silverado 2500 HD
6.0L V8 Bi-Fuel OHV
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 Bi-Fuel OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
Chevrolet Silverado 2500 HD Classic
6.0L V8 Gas OHV
| 8 | Iridium IX Spark Plug Gap 0.040
|
Chevrolet Silverado 2500 HD Classic
6.0L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
| 8 | Iridium IX Spark Plug Gap 0.040
|
6.0L V8 CNG OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
|
Chevrolet Silverado 3500 Classic
6.0L V8 Gas OHV
| 8 | Iridium IX Spark Plug Gap 0.040
|
Chevrolet Silverado 3500 Classic
6.0L V8 Gas OHV
Iridium IX Spark Plug Gap 0.040
8 Per Vehicle
|
See More Fitments on Page 2 - or - Select Your Vehicle Above |