Spark Plug Specifications
WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
SPARK PLUG SPECIFICATIONS
| Application |
Specification |
| Spark Plug Type |
| 4.2L |
| AC |
41-965 |
| 5.3L |
| AC |
25171803 |
| NGK |
12567759 |
| Gap |
Iridium .040 in. (1.04 mm)
Platinum .060 in. (1.52 mm) |
| Tightening Torque |
| 4.2L |
13 Ft. Lbs. (18 N.m) |
| 5.3L |
11 Ft. Lbs. (15 N.m) |
| Firing Order |
| 4.2L |
1-5-3-6-2-4 |
| 5.3L |
1-8-7-2-6-5-4-3 |