Hose

Introducing the Case Construction Hose #D121658, a durable and reliable component designed for heavy equipment performance. Engineered for optimal fluid transfer, this hose ensures efficiency and longevity, making it an essential part for your construction machinery.

Compatible equipment

This part fits BACKHOE, CASE CONSTRUCTION KING LOADER BACKHOE, CASE SUPER-D CONSTRUCTION KING LOADER BACKHOE, CASE SUPER-E CONSTRUCTION KING LOADER BACKHOE including models 35A, 35C, 35C WL, 35WL, 580D, 580E, 580G, 580SD, 580SE.

Frequently asked questions

What is the part number?

The manufacturer part number is D121658.

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.

Will this fit my machine?

See the compatible equipment list above. If your model is not listed, call us with your machine's serial number and we can confirm.

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.

Free pickup at any of our 17 branches across Ohio, Indiana, Michigan, and Kentucky. Select your preferred branch at checkout.

30-day no-fault returns. Bought the wrong part? Send it back for a full refund — no restocking fees, no minimums.