Fitting Union 1/4IN To 3/8IN O-Ring Face Seal

Enhance your heavy equipment performance with the Case Construction Fitting Union. Designed for seamless connection, this 1/4in to 3/8in O-Ring Face Seal (#84188429) ensures durability and reliability in demanding environments. Perfect for maintaining optimal hydraulic efficiency.

Frequently asked questions

What is the part number?

The manufacturer part number is 84188429.

Is this a genuine OEM part?

Yes. Southeastern Equipment stocks OEM and quality aftermarket parts for heavy equipment. Contact us if you need a specific OEM source or aftermarket option.

Where does this ship from?

Southeastern Equipment Company ships parts nationwide from our US warehouse. Orders placed before 2 PM ET typically ship same day.

Ships nationwide. In-stock parts ordered before 2:30 PM ET ship the same business day. Your exact shipping cost and delivery estimate are calculated at checkout from your ZIP code and the part’s size and weight; oversized and truck-freight items may need extra transit time and freight charges.

Free branch pickup is also available across Ohio, Indiana, Michigan, and Kentucky — just choose it at checkout.

30-day returns. New, unused parts in original packaging may be returned within 30 days. Some items — including electrical, special-order, and direct-from-supplier parts — are non-returnable. See our full return policy.