39404165
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39404165

Ingersoll Rand O-Ring Replacement - 39404165

Ingersoll Rand ReplacementSKU: 39404165
Price:
$20.00
Stock:
In Stock

Description

Ingersoll Rand O-Ring Replacement - 39404165

Help maintain a secure seal and reliable compressor performance with the Ingersoll Rand O-Ring Replacement - 39404165, an O-ring designed for compatible Ingersoll Rand compressor fittings and assemblies. This replacement seal helps prevent air leaks and oil seepage at connection points, supporting pressure integrity and cleaner system operation during daily use. Replacing a worn, flattened, cracked, or damaged O-ring during maintenance can help restore proper sealing performance, reduce leak related efficiency loss, and support dependable compressor operation.

  • Helps Maintain Pressure Integrity: Creates a tight seal at compatible fittings and mating surfaces to help reduce air leakage and pressure loss.
  • Supports Leak Prevention: Helps limit oil seepage and contamination risk around compressor connection points.
  • Straight Thread Fitting Seal: Identified as Ingersoll Rand part number 39404165 and listed as an O-ring for a 3/4-16 straight thread fitting with 16.36 x 2.21 dimensions.
  • OEM Compatible Replacement: Built as a replacement for Ingersoll Rand part number 39404165 to support routine seal maintenance and reliable compressor performance.

Keep compressor fittings sealed properly and help reduce avoidable leaks with the Ingersoll Rand O-Ring Replacement - 39404165, a practical replacement part for supporting long term Ingersoll Rand compressor reliability.

Why Choose Us?

  • OEM-Equivalent Quality: Our parts meet or exceed OEM standards - at a fraction of the price. You're not paying extra for a logo.
  • Not Just Another Marketplace: We're not just a place to buy parts or oil. We're compressor experts who can provide personalized guidance and reliable support.
  • All Brands, No Restrictions: Unlike many distributors who are tied to OEM agreements, we sell and service parts for all major compressor brands. Can't find what you need? We'll help you get it.
  • USA-Based Support: Talk to real people in Greenville, SC, who know compressors and are ready to help.

Still curious? Learn more about our Inlet to Outlet™ Promise and see why so many customers trust us as their go-to compressor partner.

Other Ingersoll Rand Replacement Parts:

In addition to the Ingersoll Rand O-Ring Replacement - 39404165, we stock replacement parts for Ingersoll Rand Air Filters, Ingersoll Rand Oil Filters, Ingersoll Rand Separators, Ingersoll Rand Oil and more so you can maximize the performance of your Ingersoll Rand Compressors.

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Frequently Asked Questions

Is the 39404165 O-ring compatible with my Ingersoll Rand compressor?

The 39404165 O-ring is designed for Ingersoll Rand compressors that require this exact sealing part number. This part is commonly identified as an O-ring for a straight-thread fitting with 3/4-16 thread and dimensions listed as 16.36 x 2.21 mm. Compatibility should always be confirmed by matching 39404165 in your parts manual or by verifying your compressor model and serial number before ordering. Not sure? Reach out with your compressor model and serial number and we’ll help confirm compatibility. 

What does the 39404165 O-ring do?

The 39404165 is a sealing O-ring used to help prevent leaks at a compatible straight-thread fitting connection. This O-ring helps:

  • Seal the fitting connection point
  • Help prevent air or oil leakage
  • Maintain proper system pressure
  • Support clean and reliable compressor operation
  • Protect nearby components from leakage-related contamination

Why is replacing the 39404165 important?

A properly sealing 39404165 helps maintain:

  • Leak-free fitting connections
  • Proper compressor pressure retention
  • Reduced oil or air loss
  • Cleaner compressor service areas
  • Reliable operation of connected compressor components

A worn, flattened, cracked, or hardened O-ring can allow leaks at the fitting connection and should be replaced when it no longer seals properly.

Is this an OEM part?

This is an OEM-equivalent replacement O-ring designed to meet the same performance standards as the original Ingersoll Rand O-ring. 

What are the signs that the 39404165 O-ring needs replacement?

Common symptoms include:

  • Air or oil leaking around the fitting
  • Hissing near the connection point
  • Oil residue around the seal area
  • Flattened, brittle, cracked, or swollen O-ring material
  • Poor sealing after a fitting has been removed and reinstalled
  • Pressure loss from the connected system
  • Visible damage during inspection

If the fitting no longer seals properly, the 39404165 should be replaced before the compressor is returned to service.

How difficult is it to install?

Installing the 39404165 is generally a simple maintenance task, but the compressor must be safely shut down and depressurized before service. Before installation, the compressor should be:

  • Fully shut down
  • Electrically locked out if required
  • Completely depressurized
  • Cooled to a safe working temperature
  • Cleaned around the fitting area before disassembly

Installation typically involves removing the fitting, taking off the old O-ring, cleaning the sealing surfaces, installing the replacement 39404165, reassembling the fitting, and checking for leaks after startup.

Do you carry other parts for Ingersoll Rand?

Absolutely. We stock a range of air filters, oil filters, valves, synthetic oils, and many other maintenance parts for Ingersoll Rand equipment. If you don’t see what you need, just ask and we’ll help you find it. 

Where do your products ship from?

All parts ship from our Greenville, South Carolina warehouse. Our USA-based team ensures fast shipping and dependable customer support whenever you need assistance.