Autolite AR3931 - High Performance Racing Non-Resistor Spark Plug
$1744
Package Price for 4 Units
@ $4.36 per unit
In stock
limited availability at this price!
Pay over 3-12 months with 
. Learn more
. Learn more
AUTOLITE part description
Product Description
Autolite AR3931 High Performance Racing Non-Resistor Spark Plug
Features & Benefits
- Yttrium-Enhanced Alloy enables up to 8% reduction in sidewire temperature for colder heat ranges designed to enable performance modifications and handle intense conditions.*
- Cut back ground electrode for better ignitability of the flame kernel
- Anti-corrosive nickel plating to prevent rusting better than black oxide
Product Attributes
| Ground Electrode Tip Design | Tapered |
| Ground Electrode Core Material | Nickel |
| Electrical Terminal Type | Stud |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Nickel |
| Pre-Gap Size | 0.025 IN |
| Ground Electrode Quantity | 1 |
| Hex Size | 16 MM |
| Seat Type | Flat |
| Reach | 19.5 MM |
| Thread Diameter | 14 MM |
| Insulator Material | Ceramic |
| Resistor Type | No |
| Ground Electrode Tip Material | Nickel |
| 9608 | Standard |
Additional Information
| Country of Origin (Primary) | MX |
| Harmonized Tariff Code (Schedule B) | 8511100000 |
| Warranty Special | See Rep |
| Warranty Special UOM | SR |
| UPC | 00009100032508 |
| UNSPSC | 26101732 |
Part Interchanges
AUTOLITE AR3931 Cross Reference
We have 9 alternatives for the AR3931 by AUTOLITE:
California Proposition 65 Warning
California Proposition 65 Warning
WARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov. (Read more)
Don't know your part number?
Take a photo and we'll identify it!
