Diaphragm
| Machine | Model | Years / S/N |
|---|---|---|
| Excavator | E37C | — |
| Excavator | CX37C | — |
| Excavator | CX33C | — |
| Excavator | E33C | — |
The 119802-03130 diaphragm is a genuine OEM CASE Construction flexible membrane used to separate chambers and regulate pressure or fluid flow within a system, available from Southeastern Equipment Company.
Compatible equipment
This part fits Excavator including models CX33C, CX37C, E33C, E37C.
Frequently asked questions
What is the part number?
The manufacturer part number is 119802-03130.
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.
- Manufacturer part number
- 119802-03130
- Internal SKU
- IC:119802-03130
- Brand
- CASE CONSTRUCTION
- Condition
- OEM, new
- Category
- Case Construction
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.