What spark plug replaces the AC 41-932?
The plugs sent were 41-993, which is an Iridium replacement for the 41-932.
What engine does AC 41-932 fit?
Marine Pro Spark Plug AC Platinum GM 4.3L 5.0L 5.7L & 6.2L MPI Replaces 41-932 2001-Up.
Can you replace platinum plugs with iridium?
Platinum may be harder than copper, but iridium is the hardest among the three, and iridium spark plugs outlast platinum spark plugs by almost twice the mileage. The only issue with iridium is that it costs double the price of platinum with little improvements in performance.
What does NGK TR55 fit?
NGK TR55 Spark Plug fits the following vehicle(s): 2004 Cadillac CTS-V. 2005 Cadillac CTS-V. 2006 Cadillac CTS-V.
Are Autolite iridium plugs good?
These spark plugs are one of the brand’s most technologically advanced spark plugs ever. With an iridium-enhanced 0.6 mm finewire design and proprietary platinum sidewire technology, these spark plugs provide better durability and a more focused ignition for better overall ignitability and optimum performance.
Is iridium or platinum better?
Iridium is said to be six times harder and eight times stronger than platinum with a 700° higher melting point. Thanks to its strength, iridium spark plugs can last up to 25% longer than comparable platinum spark plugs.
Do expensive spark plugs make a difference?
High performance Noble metal plugs can perform consistently and well, which helps to maintain the engineered performance of the engine. They won’t make the engine perform better than it did when it was new, but they will help it stay at that level longer.
Which Iridium spark plug is best?
Comparison of best spark plugs in 2021
| Product Name | Advantages | |
|---|---|---|
| Best iridium-tipped spark plug | NGK Iridium IX | Long-term durability, better performance than double platinum, high ratings |
| Best high-end spark plug | NGK Ruthenium HX | The best performance and longevity |
What is the difference between NGK TR5 and TR55?
TR5 and TR55 are the same plug, just gapped different. The TR5 comes gapped at . 040″ and the TR55 comes at . 060″.
Which Autolite plug is hotter?
Autolite indicates the heat range with the last digit of the part number. For example, 3923 has a heat range of 3. The higher the number, the hotter the plug. The lower the number, the colder the plug.