Autolite XST2974DP - Autolite XST2974DP Xtreme Start Iridium Lawn & Garden Spark Plug - Display Pack
$649
MSRP: $9.63
Save: $3.14
In stock
limited availability at this price!
Pay over 3-12 months with
. Learn more
AUTOLITE part description
Product Description
Autolite XST2974DP Xtreme Start Iridium Lawn & Garden Spark Plug - Display Pack
Features & Benefits
- 0.6mm finewire design offers exceptional fouling resistance for reliable starting in any season or weather condition
- Engineered with an iridium-enhanced center electrode that delivers 26% faster starts*, better fuel efficiency, and optimal engine performance.
- Up to 26% quicker engine starts than the OE plug* (* Testing performed by independent lab in comparison to OE Standard Spark Plug)
- The Yttrium-enhanced ground electrode provides superior heat transfer providing more durability under high temps and pressure for greater life.
- Up to 21% less HC emissions than the OE plug* (* Testing performed by independent lab in comparison to OE Standard Spark Plug)
- Its high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
Product Attributes
Resistance | 1 82 |
Ground Electrode Tip Design | Standard |
Ground Electrode Core Material | Nickel |
Electrical Terminal Type | Removable Nut |
Center Electrode Core Material | Copper |
Center Electrode Tip Material | Iridium |
Pre-Gap Size | 0.025 IN |
Ground Electrode Quantity | 1 |
Hex Size | 19 MM |
Seat Type | Flat |
Reach | 9.4996 MM |
Thread Diameter | 14 MM |
Insulator Material | Ceramic |
Resistor Type | No |
Ground Electrode Tip Material | Nickel |
9608 | Fine Wire |
9805 | Mid Projection |
Washer Included | Yes |
Grade Type | Performance |
Hex Size | 3/4 IN |
Manufacturer Heat Range | 11 |
Reach | 0.374 IN |
9459 | Yes |
9507 | Hex |
9746 | No |
Pre-Gap Size | 0.635 MM |
Additional Information
Country of Origin (Primary) | MX |
Harmonized Tariff Code (Schedule B) | 8511100000 |
Warranty Special | No Warranty |
Warranty Special UOM | TX |
Harmonized Tariff Code (HTS) | 8511100000 |
UPC | 00009100534132 |
UNSPSC | 26101732 |
Part Interchanges

Don't know your part number?
Take a photo and we'll identify it!