Chrome Plated Brass Screw-on Valve Cap Stem Extension | 19mm 25mm 39mm Tire Valve Extender for Cars and Trucks

Key Features

• Chrome Plated Brass — It is made of chrome plated brass for durability.
• Screw-On Installation — It screws onto the tire stem in place of the original valve cap.
• Three Sizes — It is offered in 19mm, 25mm and 39mm sizes.
• Simple Pressure Checks — You can check or add air through the extension without removing it.

Product Specifications

• Material: Chrome Plated Brass
• Color: Silver Tone
• Dimensions: 19mm / 25mm / 39mm
• Thread Diameter: 7.5mm
• Installation Type: Screw-On Type
• Quantity: 2 pieces
• Fit: Universal

What It Is / How It Works

This valve cap stem extension is a screw-on cap that replaces the original valve cap on a car or truck tire. It keeps the valve stem covered and gives you a fixed end for your air gauge.

Who It's For / Use Cases

Valve cap extensions suit drivers who check tire pressure often and want to stop losing small valve caps. They also suit people who prefer a cap that stays on the stem between checks, and owners of cars and trucks who want a simple way to keep their tires inflated to the right level.

How to Use / Care

1. Screw the extension onto the tire valve stem in place of the original valve cap.
2. Attach your air gauge directly to the extension to check the pressure, without removing anything.
3. Add air through the extension the same way, leaving the extension on the stem.

How to Choose

Choose the size that lets your air gauge chuck seat fully on the extension while the tire still sits flat on the ground. Check that the thread matches your tire valve stem before you buy, and pick a set that matches the number of wheels you need to cover.

Frequently Asked Questions

Will these fit my car?
The extensions have a universal fit and a 7.5mm thread diameter. They work on most cars and trucks.

Do I need to remove the extension to add air?
No. You can check pressure and add air directly through the extension without removing it.

What are they made of?
They are made of chrome plated brass for durability and a water-repellent surface.

How do I install them?
Screw them onto your existing tire stem in place of the original valve cap.

Will they prevent air leaks?
They help prevent gradual air loss by keeping the valve system sealed, even if the valve core is dirty.

How many come in a pack?
The pack has two valve stem extensions.