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279636 - Miller Air/Oil Separator Tube Replacement Kit

Packaging: 1 PER EA
$346.86/EA $244.24/1 PER EA only $244.24/EASave 30%

Usually ships within 3-5 business days

OVERVIEW

Keep Your Miller Machine Running Strong

When your livelihood depends on your rig, you can't afford downtime caused by a leaking compressor line. The Miller 279636 Kit, Air/Oil Separator Tube is the authentic replacement part you need to fix your Miller welder-generator's air system and get back to work. Designed specifically for Miller machines with built-in air compressors, this kit replaces the tube responsible for managing the flow between the air and oil separation stages, ensuring your on-board air supply remains clean and reliable.

We know that field repairs need to be quick and effective. Because this is a genuine Miller part, you don't have to worry about fighting with connections that don't line up or hoses that are slightly the wrong size. It is built to fit right the first time, allowing you to swap out the old, cracked, or leaking tube and button up the machine fast. Ignoring a worn separator tube can lead to messy oil leaks inside your machine cabinet or, worse, oil getting into your air hose—which is a disaster if you are running a plasma cutter or painting equipment off your welder's air supply.

Protect your investment by using only official Miller replacement parts. This kit ensures that your machine continues to operate at the high level of performance you expect from the Miller brand. Whether you are prepping your machine for the busy season or fixing a breakdown on the job site, the 279636 Kit provides the durability and peace of mind you need to focus on the weld, not the repair.

Why Choose OEM?

Your Miller welder is a high-performance tool. Putting inferior aftermarket parts in it is like putting low-grade fuel in a race car. This OEM separator tube is made from materials tested to handle the heat and oil of your specific machine, ensuring it lasts longer and performs better than generic alternatives. Keep your air clean and your machine dry with this essential repair kit.

Additional Information
Brand:Miller
Packaging Description:1 Per Ea
Product Type:Repair Kit
Component:Air/Oil Separator Tube

INCLUDED

  • 1 x Air/Oil Separator Tube
  • Installation Hardware (if applicable to kit configuration)

APPLICATIONS

  • Replacement of worn air/oil separator tubes in Miller engine-driven welders
  • Repair of integrated air compressor systems on welding generators
  • Routine maintenance for Miller Air Pak and similar models (verify serial number)
  • Fixing oil leaks or pressure drops in the compressor circuit

FAQ

Due to the variety of Miller engine drives and compressor configurations, it is essential to verify fitment using your machine's specific serial number. You can check the parts manual for your unit or contact a distributor with your serial number for confirmation.

Common signs include visible oil leaks around the tube connections, brittleness or cracking of the tube material, or oil contamination appearing in the compressed air output.

The kit contents are typically limited to the specific tube and necessary fittings. If clamps are not explicitly listed in the product contents, it is recommended to retain existing hardware or purchase new clamps separately if they are corroded.

It is not recommended. This OEM tube is molded to specific dimensions and made of materials designed to withstand the specific heat and chemical properties of the compressor oil used in Miller machines. Generic tubing may fail prematurely.

This part is specifically for the integrated air compressor system found on certain Miller welder-generators, not the diesel or gas engine itself.

It should be inspected during every routine service interval (typically every 100-250 hours depending on the machine schedule) for signs of wear, rubbing, or heat damage.

Failure can result in a loss of compressor pressure, significant oil mess inside the machine enclosure, and potential damage to the compressor air end due to oil starvation.
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