Autolite Spark Plug P/N:XST254DP

Be the first to review this product

$80.99

MPN: XST254DP

Item Package Quantity: 1

Current Stock:

Quantity:

Adding to cart… The item has been added

Have questions?

Ask an Expert

Autolite Spark Plug P/N:XST254DP

$80.99

Description

Fire up your outdoor power equipment quickly with the Autolite Xtreme Start Spark Plug XST254DP, an iridium-enhanced fine-wire plug. It's a direct-fit replacement for a wide range of air compressors, augers, blowers, brush cutters, and chain saws — including the AIR COMPRESSOR INGERSOLL-RAND GRR160 w/White-Herc. G2300, AUGER TANAKA TEA-30, BLOWER JOHN DEERE BP40, BRUSH CUTTER TANAKA TBC-30, and CHAIN SAW CRAFTSMAN 3.7 — with 810 listed applications in all. See the Buyer's Guide tab for the full list.

Iridium fine-wire center electrode: paired with a copper core, it's designed for 26% quicker, more consistent starts versus standard copper plugs.*
Yttrium-enhanced ground electrode: engineered for superior heat transfer and added durability under high temperature and pressure.
High-alumina multi-rib ceramic insulator: provides thermal conductivity and strong insulation.
Specs: heat range 9, 14 mm (M14-1.25) thread, flat seat, 3/4 in hex, 0.374 in (9 mm) reach, pre-gapped to 0.03 in (0.8 mm), with a crush washer included.

*26% quicker starts is a manufacturer claim measured against standard copper plugs.

Interchange: CS41 · CS42 · A3NX · STD361001

Manufacturer's Description

Product Specs

Buyer's Guide

Interchange Part Numbers

This part cross-references / interchanges with the following part numbers:

CS41, CS42, A3NX, STD361001

Frequently Asked Questions

What equipment does the XST254DP fit?

It's listed for 810 applications across air compressors, augers, blowers, brush cutters, and chain saws — such as the TANAKA TEA-30 auger and CRAFTSMAN 3.7 chain saw. Check the Buyer's Guide tab for your exact model.

Is this plug pre-gapped?

Yes, it comes pre-gapped to 0.03 in (0.8 mm). Verify the gap matches your engine's specification and adjust carefully if needed before installing.

What are the thread and seat specs?

It has a 14 mm (M14-1.25) metric thread, a flat seat with an included crush washer, a 3/4 in hex, and a 0.374 in (9 mm) reach. Heat range is 9.

What is the center electrode made of?

It uses an iridium-enhanced fine-wire center electrode with a copper core, paired with a yttrium-enhanced ground electrode.

Which numbers does this plug cross-reference?

It interchanges with CS41, CS42, A3NX, and STD361001. Match your original plug number or engine specs to confirm the correct fit.