---
product_id: 41709674
title: "LOCTITE 242 Automotive Blue Threadlocker - Medium-Strength Thread Lock, Multi-Purpose Applications, Works on All Metals - 36 ml, 1 Pack"
brand: "loctite"
price: "€ 32.50"
currency: EUR
in_stock: true
reviews_count: 8
category: "Loctite"
url: https://www.desertcart.it/products/41709674-loctite-242-automotive-blue-threadlocker-medium-strength-thread-lock-multi
store_origin: IT
region: Italy
---

# Medium-strength hold Sets in 5 minutes Works on all metals LOCTITE 242 Automotive Blue Threadlocker - Medium-Strength Thread Lock, Multi-Purpose Applications, Works on All Metals - 36 ml, 1 Pack

**Brand:** loctite
**Price:** € 32.50
**Availability:** ✅ In Stock

## Summary

> 🔩 Lock it down like a pro — don’t let your bolts bail on you!

## Quick Answers

- **What is this?** LOCTITE 242 Automotive Blue Threadlocker - Medium-Strength Thread Lock, Multi-Purpose Applications, Works on All Metals - 36 ml, 1 Pack by loctite
- **How much does it cost?** € 32.50 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/41709674-loctite-242-automotive-blue-threadlocker-medium-strength-thread-lock-multi)

## Best For

- loctite enthusiasts

## Why This Product

- Trusted loctite brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Multi-Purpose Use:** Perfect for valve covers, water pumps, oil pans, and beyond
- • **Quick-Setting Formula:** Starts curing in 5 minutes to speed up your workflow
- • **Trusted by Professionals:** OEM-specified and lab-tested for ultimate reliability
- • **Durable Vibration Resistance:** Keeps bolts secure under automotive stress and movement
- • **Universal Metal Compatibility:** Bonds stainless steel, aluminum, plated surfaces & more

## Overview

LOCTITE 242 Blue Threadlocker is a medium-strength, professional-grade adhesive trusted by OEMs and mechanics alike. Designed to work on all metals, it sets quickly in 5 minutes and fully cures in 24 hours, providing durable, vibration-resistant locking for automotive and industrial bolts. Its 36 ml bottle is ideal for regular maintenance, ensuring your projects stay secure and hassle-free.

## Description

The LOCTITE Automotive Threadlocker Blue 242 is a high-temp, medium-strength threadlocker trusted by professionals and OEM-specified. Designed by auto manufacturers and lab tested, it works on all metals, including stainless steel, aluminum, and plated surfaces, making it perfect for securing nuts and bolts in automotive applications. Ideal for valve cover bolts, water pump bolts, oil pan bolts, and more, it provides a reliable hold that resists vibration and loosening. This product is great for automotive maintenance and other settings where regular servicing is required. It sets in just 5 minutes and fully cures within 24 hours, delivering long-lasting performance. With a 36 ml bottle, LOCTITE Blue 242 is a dependable, easy-to-use solution for any automotive repair or maintenance project.

Review: Product works - Great stuff for automotive needs. Bottle is a good size if you use it often on older car/trucks that need some hold on the bolts.
Review: Locktite - Works great as always

## Features

- Trusted by Professionals: Our blue LOCTITE automotive thread locker products are not just OEM-specified, they are trusted by professionals because they are designed by auto manufacturers and lab tested (PN: 37477 - 492140)
- Works on all metals: Works on all metals, including passive substrates such as stainless steel, aluminum, and plated surfaces; ideal for all nut and bolt applications.
- Reliable & Durable Performance: Optimal for use in automotive applications as well as a variety of other settings where regular maintenance, repairs, or servicing are necessary, offering a reliable and durable solution for long-term performance across multiple industries
- Multi-Application: Great for valve cover bolts, water pump bolts, oil pan bolts, drive shaft bolts, rocker arm adjustment nuts, carburetor studs
- Quick-setting for convenience: The product begins setting in just 5 minutes, giving you a quick start on your project, and reaches its full strength after 24 hours, ensuring a complete and durable cure by the next day

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000XSGJKY |
| Best Sellers Rank | #8,027 in Automotive ( See Top 100 in Automotive ) #30 in Thread Lock Sealers |
| Brand | Loctite |
| Color | Blue |
| Customer Reviews | 4.8 4.8 out of 5 stars (171) |
| Date First Available | October 25, 2007 |
| Exterior | Chrome |
| Full Cure Time | 24 Hours |
| Global Trade Identification Number | 00079340374775 |
| Is Discontinued By Manufacturer | No |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Volume | 36 Milliliters |
| Item Weight | 2.24 ounces |
| Item model number | 492140 |
| Manufacturer | Loctite |
| Manufacturer Part Number | 492140 |
| Material | Methacrylate Anaerobic |
| Model | Loctite 492140 Threadlocker 242 All-Purpose Medium Strength Bottle, Blue, 36-ml |
| Number of Pieces | 1 |
| OEM Part Number | OMC 500421 |
| Package Information | Bottle |
| Position | Center |
| Product Dimensions | 6.25 x 2.25 x 1.1 inches |
| Special Feature | Sold by Speedway Motors |
| Special Features | Sold by Speedway Motors |
| Specific Uses For Product | DIY Projects, Repairs, Maintenance, Workshops, Garages, Outdoor Settings |
| UPC | 079340374775 |
| Unit Count | 1.22 Fluid Ounces |
| Viscosity | Medium |
| Viscosity Level | Medium |
| Water Resistance Level | Not Water Resistant |

## Product Details

- **Brand:** Loctite
- **Item Form:** Liquid
- **Material:** Methacrylate Anaerobic
- **Special Feature:** Sold by Speedway Motors
- **Specific Uses For Product:** DIY Projects, Repairs, Maintenance, Workshops, Garages, Outdoor Settings

## Images

![LOCTITE 242 Automotive Blue Threadlocker - Medium-Strength Thread Lock, Multi-Purpose Applications, Works on All Metals - 36 ml, 1 Pack - Image 1](https://m.media-amazon.com/images/I/61anAQDDIoL.jpg)
![LOCTITE 242 Automotive Blue Threadlocker - Medium-Strength Thread Lock, Multi-Purpose Applications, Works on All Metals - 36 ml, 1 Pack - Image 2](https://m.media-amazon.com/images/I/814gNrorWEL.jpg)
![LOCTITE 242 Automotive Blue Threadlocker - Medium-Strength Thread Lock, Multi-Purpose Applications, Works on All Metals - 36 ml, 1 Pack - Image 3](https://m.media-amazon.com/images/I/81LP9fc4BzL.jpg)
![LOCTITE 242 Automotive Blue Threadlocker - Medium-Strength Thread Lock, Multi-Purpose Applications, Works on All Metals - 36 ml, 1 Pack - Image 4](https://m.media-amazon.com/images/I/71dqkWK6cDL.jpg)
![LOCTITE 242 Automotive Blue Threadlocker - Medium-Strength Thread Lock, Multi-Purpose Applications, Works on All Metals - 36 ml, 1 Pack - Image 5](https://m.media-amazon.com/images/I/71Vi7okl0PL.jpg)

## Questions & Answers

**Q: What is the shelf life of this product?**
A: The shelf life of Loctite 242 is two years from date of manufacture. Please contact 1-800-LOCTITE for more information.

**Q: Can i use this on a motor scooter on the nut that holds the steering wheel on so I can get many miles as it would possibly vibrate allot on the road?**
A: Yes,  LOCTITE Threadlockers prevent fasteners from loosening due to vibration.  LOCTITE 242 or LOCTITE 243 are both our medium strength blue Threadlocker.  We also have LOCTITE 263 which is our high-strength red Threadlocker.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Product works
*by E***E on September 13, 2025*

Great stuff for automotive needs. Bottle is a good size if you use it often on older car/trucks that need some hold on the bolts.

### ⭐⭐⭐⭐⭐ Locktite
*by A***R on August 30, 2025*

Works great as always

### ⭐⭐⭐⭐⭐ Genuine
*by C***R on January 29, 2026*

It’s loctite. It holds screws. Good stuff

## Frequently Bought Together

- LOCTITE 242 Automotive Blue Threadlocker - Medium-Strength Thread Lock, Multi-Purpose Applications, Works on All Metals - 36 ml, 1 Pack
- Loctite 37479 271 Red Heavy Duty Threadlocker Bottle - 36 ml
- Loctite 37480 272 Red High Temperature Threadlocker Bottle - 36 ml

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-03-20*