What is the difference between 41 110 and 41 162?

The 41-110 is an Iridium style plug. This plug was designed for the 2015-2019 Silverado. The 41-162 is the part number that is ‘called for’ on this vehicle. Both are Iridium style.

How big is the gap on a Delco 41-985 spark plug?

The new spark plug, P/N 12571164 with AC Delco P/N 41-985, is gapped to 1.01 mm (0.040 inches) when the spark plug is made. The spark plug gap is set during manufacturing and should not be changed or damage to the spark plug may result. Any new spark plug found to not be properly gapped should not be used.

What are the torque settings for Denso spark plugs?

Denso – 1/4-1/2 turn on plugs with a gasket. 1/8 turn on plugs with a tapered seat. E3 – For spark plugs with a gasket: 1/2 turn on 10mm plugs, 3/8-1/2 turn on 12mm plugs, 1/2-3/4 turn on 14mm plugs. 1/16 turn on plugs with a tapered seat.

What’s the gap on a GMC Delco 41-985?

What’s the torque on a Bosch spark plug?

If a torque wrench is unavailable, finger tighten the spark plug, then use a plug wrench to tighten. Autolite – For spark plugs with a gasket: 1/4 turn on 10mm plugs, 3/8 turn on 12mm plugs, 1/2 turn on 14mm and 18mm plugs. 1/16 turn on plugs with a tapered seat. Bosch – 1/4 turn on plugs with a gasket. 1/16 turn on plugs with a tapered seat.

What’s the gap between the spark plugs on a Delco iridium?

Is the ACDelco spark plugs pre-gapped?

Are ACDelco spark plugs pre-gapped? Yes. When ACDelco spark plugs are manufactured, they are pre-gapped to the correct gap specification. When I replace my spark plugs, should I also replace my spark plug wires? Not always, but you should inspect your spark plug wires for wear when replacing your spark plugs.