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14K05 - ESAB Tweco Style O-Ring .489 ID x .070 (10-Pack)

Packaging: pack of 10
$6.87/EA

Package Price:

$68.70/pack of 10

Usually ships within 3-5 business days

OVERVIEW

Essential Maintenance for Leak-Free Welding

Every welder knows that consistent shielding gas coverage is the key to a clean, strong weld. The ESAB 14K05 O-Ring (10/Bag) is your first line of defense against the invisible enemy of porosity: gas leaks. These small but mighty components are designed to fit specific connections within your MIG gun and cable assembly, creating an airtight barrier that keeps your shielding gas flowing to the puddle and keeps atmospheric contaminants out. With a precise size of .489" ID x .070", these O-rings are the exact factory replacement for many Tweco-style and ESAB torch components, ensuring you don't have to struggle with generic seals that don't quite fit.

Why Replace Your O-Rings?

O-rings are consumable items that wear out over time. Every time you disconnect your gun or change a power pin, the O-ring is subjected to friction. Eventually, they flatten out, nick, or crack. A worn O-ring might not seem like a big deal, but it can cause significant headaches. If air is sucked into your gas line due to a bad seal (Venturi effect), you will experience weld porosity, excessive spatter, and an unstable arc. Keeping a bag of 14K05 O-rings in your toolbox means you can solve these mysterious quality issues instantly. At the first sign of wear—or if you hear a hissing sound at a connection—swap it out.

Convenience and Value

Sold as a convenient 10-pack, this product is perfect for busy workshops. You never want to be stuck in the middle of a job waiting for a fifty-cent part. By stocking up on these essential seals, you ensure that your production keeps moving. Whether you are running a heavy-duty industrial fabrication line or a small garage shop, maintaining your equipment with genuine parts like the ESAB 14K05 extends the life of your torch and improves the quality of your work. Don't let a ten-cent seal ruin a hundred-dollar weld; keep your kit stocked with fresh O-rings.

Additional Information
Brand:ESAB
Packaging Description:pack of 10
Item:Accessory
Inner Diameter:0.489 inches
Cross Section:0.070 inches
Material:Elastomer
Part Type:O-Ring
Compatibility:Tweco / ESAB MIG Guns

INCLUDED

  • 10 x O-Rings (.489 ID x .070)

APPLICATIONS

  • Sealing connections in Tweco and ESAB MIG guns.
  • Replacement of worn seals in conductor tubes and adapters.
  • General maintenance of welding gas delivery systems.
  • Preventing gas leakage in industrial welding environments.

FAQ

The 14K05 O-ring has an Inner Diameter (ID) of 0.489 inches and a cross-section (thickness) of 0.070 inches.

This product is sold as a bag containing 10 O-rings.

It is a genuine ESAB part, commonly designed to fit Tweco-style MIG guns and associated adapters.

Worn O-rings can cause shielding gas leaks, which may lead to weld porosity, wasted gas, and poor arc performance.

While it may fit other applications requiring a .489" x .070" seal, it is specifically specified for welding equipment gas seals.

Yes, applying a small amount of O-ring lubricant is recommended to prevent damage during installation and ensure a proper seal.

Yes, it is made from an elastomer material (rubber-like) designed to be flexible and resistant to welding gases.

Inspect it visually for cracks, flat spots, or cuts. If the connection feels loose or you hear gas hissing, replace the O-ring immediately.
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