What is the shelf life of this product?

The shelf life of Loctite 242 is two years from date of manufacture. Please contact 1-800-LOCTITE for more information.

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?

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.

Loctite 492140 Threadlocker 242 All Purpose Medium Strength Bottle Blue

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

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Description

Causes skin irritation.
May cause an allergic skin reaction.
RELIABLE ADHESION. Works on all metals, including passive substrates (e.g. stainless steel, aluminum, plated surfaces).
REMOVABLE WITH HAND TOOLS. Well suited for automotive and other applications where maintenance or servicing is required.
TYPICAL APPLICATIONS are valve cover bolts, water pump bolts, oil pan bolts, drive shaft bolts, rocker arm adjustment nuts, carburetor studs.
CONVENIENT CURING. Sets in just 5 minutes & is fully cured in 24 hours.
LOCTITE 242 is ideal for all nut and bolt applications ¼" to ¾" (6 mm to 19 mm). Eliminates the need for stocking expensive lock nuts and lock washers.

Loctite Threadlocker 222 is a low strength, noncorrosive purple threadlocker designed for fasteners under 1⁄4" (6 mm) that require occasional adjustment. Removable with hand tools for easy disassembly. Typical applications include carburetors, relay locks, headlamps, throttle body assembly, choke assembly and fuel injection set screws, body panel mounting fasteners. Invented by Henkel as a revolutionary method to positively lock and seal threaded fasteners, Loctite threadlocker adhesives are used in a wide range of applications from delicate fuel injection components to heavy-duty transmission and engine assemblies. Specified by automotive OEM's and approved for use on factory assembly lines, threadlockers work by filling the spaces between threads. The result is a secure, one-piece assembly that will not loosen under stress. Review: Genuine - It’s loctite. It holds screws. Good stuff Review: It’s blue loctite - It’s LOCTITE It keeps threaded fasteners from vibrating loose. I use this when mounting rifle scopes, RMRs, receiver sights, bolting bumpers onto my jeep, etc.

Specifications

ASIN	B000XSGJKY
Brand	Loctite
Colour	Blue,Purple
Compatible Material	Metal
Container Type	Bottle
Customer Reviews	4.8 out of 5 stars 178 Reviews
Full Cure Time	24 Hours
Global Trade Identification Number	00079340374775
Included Components	(1) Threadlocker 242 All-Purpose Medium Strength Bottle, Blue, 36-ml
Item Form	Liquid
Item Package Quantity	1
Item Type Name	automotive-thread-lock-sealers
Item Volume	36 Millilitres
Item Weight	64 g
Item form	Liquid
Item package quantity	1
Manufacturer	Loctite
Manufacturer Part Number	492140
Model Number	492140
Number of Pieces	1
Other Special Features of the Product	Noncorrosive, Removable
Special feature	Noncorrosive, Removable
Specific Uses For Product	Automotive, Engine, Transmission, Fuel Injection, Assembly Lines
Specific uses for product	Automotive, Engine, Transmission, Fuel Injection, Assembly Lines
UPC	079340374775
Unit Count	36.0797 millilitre
Viscosity Level	Low
Water Resistance Level	Water Resistant

Reviews

C**R

Genuine

It’s loctite. It holds screws. Good stuff

29.01.2026

A**O

It’s blue loctite

It’s LOCTITE It keeps threaded fasteners from vibrating loose. I use this when mounting rifle scopes, RMRs, receiver sights, bolting bumpers onto my jeep, etc.

9.05.2026

E**E

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.

13.09.2025

A**R

Does the Job

Does the job its supposed to do. A little pricey but i would buy again.

10.04.2026

A**R

Locktite

Works great as always

30.08.2025

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago