# Spark Plug Socket Proxxon PR23551 18 mm, 3/8" Drive

**URL:** https://aio.lv/en/product--proxxon-pr23551--11728498
**Data updated:** 2026-03-08 11:32 (EET)
**Category:** Screwdriver Bits
**Manufacturer:** Proxxon
**Manufacturer code:** PR23551
**EAN:** 4006274235519
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Proxxon PR23551 spark plug socket, 18 mm with a 3/8" drive, designed for removal and installation of spark plugs in engines. Precision-manufactured tool intended for automotive and small-engine maintenance, compatible with 3/8" ratchets and extensions. Useful for workshop and home repairs where secure grip and correct sizing are required.

## Long description

The Proxxon PR23551 spark plug socket 18 mm with a 3/8" drive is a precision tool designed for safe removal and installation of spark plugs in automotive and small-engine applications. Machined to tight tolerances, this socket fits standard 18 mm spark plugs and connects to any 3/8" ratchet or extension, providing reliable engagement and controlled torque transfer. The tool is suitable for workshop mechanics and DIY users who need a compact, dependable socket for regular maintenance tasks.
Advantages
This 18 mm spark plug socket provides a secure fit on the plug hex to minimize rounding and slipping during service. The 3/8" drive interface ensures compatibility with common hand tools and extensions, enabling access in confined engine compartments. Manufactured by Proxxon with focus on dimensional accuracy and durable finish, the socket offers consistent performance and resistance to wear under normal use.
Suitable for
Removal and installation of 18 mm spark plugs in cars and motorcycles
Maintenance of small engines in lawn mowers, generators and garden equipment
Workshop and home repair tasks requiring a 3/8" drive spark plug socket
Key specifications
Socket size: 18 mm
Drive type: 3/8" (female drive for ratchets and extensions)
Intended use: spark plug removal and installation
Material and finish: precision-machined steel with protective coating
Form factor: deep socket profile for recessed spark plugs
How to use
Select the 18 mm socket and attach it to a compatible 3/8" ratchet or extension. Before loosening a spark plug, ensure the engine is cool to avoid damage to the threads. Fit the socket squarely onto the spark plug hex and apply steady torque to loosen or tighten the plug, using an extension where access is limited. After installing a new plug, tighten to the vehicle manufacturer's specified torque using a torque wrench if required.
Usage recommendations
Use with clean extensions and ratchets to prevent contamination of the spark plug and cylinder head threads. Avoid excessive torque that can damage the plug or threads; follow manufacturer torque specifications and inspect the socket for wear before each use.

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### What is the warranty period?

All Proxxon products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Proxxon service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

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