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1789 - Miller 1789 Replacement O-Ring 5/8 ID x 3/32 CS

Packaging: 1 per ea
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$7.60/ea $5.34/1 per ea only $5.34/eaSave 30%

Usually ships within 3-5 business days

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OVERVIEW

Reliable Sealing with Genuine Miller Parts

Maintenance is the backbone of industrial efficiency, and often, the smallest components play the most critical roles. The Miller 1789 O-Ring is a genuine OEM replacement part designed to maintain the integrity of your Miller welding equipment. Engineered to precise specifications with a 5/8-inch Inner Diameter (ID) and a 3/32-inch Cross Section (CS), this O-ring ensures a tight, leak-proof seal within your machine's assemblies. Whether used in gas delivery systems, coolant lines, or mechanical fittings, using the correct O-ring is vital for safety and performance.

Over time, rubber seals can degrade due to exposure to heat, pressure, and chemical interactions with shielding gases or coolants. A compromised O-ring can lead to gas wastage, porosity in welds due to air ingress, or fluid leaks that damage internal electronics. By choosing the authentic Miller 1789 O-Ring, you are selecting a component manufactured from high-quality elastomers chosen specifically for the demands of welding environments. This ensures better resistance to compression set and hardening compared to generic hardware store alternatives.

At Josef Gas, we understand that downtime costs money. Keeping a stock of essential consumables and repair parts like the Miller 1789 allows for immediate rectification of minor issues before they escalate. This O-ring is compatible with various Miller power sources and wire feeders that utilize this specific size standard. When performing routine maintenance or troubleshooting leaks, verify your equipment manual for part number 1789 to ensure compatibility.

Key Specifications

  • Part Number: 1789
  • Inner Diameter: 5/8 inch
  • Cross Section: 3/32 inch
  • Type: OEM Replacement Seal
Additional Information
Packaging Description:1 Per Ea
Inner Diameter:5/8 inch
Cross Section:3/32 inch
Product Type:Replacement O-Ring
----- new values below ----
Inner Diameter:5/8 inch
Cross Section:3/32 inch
Product Type:Replacement O-Ring
brand:miller
packaging-description:1-per-ea

INCLUDED

  • 1 x Miller 1789 O-Ring

APPLICATIONS

  • Sealing gas connections in welding machines
  • Coolant line sealing
  • General equipment repair and maintenance
  • Preventing leaks in wire feeders and power sources

FAQ

The Miller 1789 O-Ring has an Inner Diameter (ID) of 5/8 inch and a Cross Section (CS) thickness of 3/32 inch.

Yes, this is a genuine OEM Miller Electric part, ensuring the correct material specifications and fit for your equipment.

While the specific compound is proprietary to the OEM specification, it is a high-quality industrial elastomer designed for the chemical and thermal environment of welding equipment.

Signs of a failing O-ring include visible cracks, flattening (compression set), brittleness, or active leaks of gas or fluid around the connection.

It is recommended to use the OEM part. Generic O-rings may not have the same heat resistance or chemical compatibility with shielding gases and coolants.

This O-ring fits various Miller power sources and wire feeders. Please check your machine's parts manual for the specific part number 1789 to confirm compatibility.

Typically, these O-rings are supplied dry. You may apply a small amount of compatible O-ring lubricant during installation if required by your equipment manual.

This item is sold individually (1 per each) unless otherwise noted in a bulk pack listing.