Washer

Introducing the Case Construction Washer #163858A1, a durable and reliable component designed for heavy equipment maintenance. Engineered for optimal performance, this washer ensures secure fittings and enhances the longevity of your machinery, keeping your operations running smoothly.

Compatible equipment

This part fits CASE CRAWLER EXCAVATOR, CRAWLER EXCAVATOR (NORTH AMERICA), CRAWLER EXCAVATOR TIER 3, CRAWLER EXCAVATOR - TIER 4 (NON-EU), LONG CARRIAGE - CRAWLER EXCAVATOR - TIER 4B (NA), CASE NARROW EXCAVATOR (NORTH AMERICA) ~DAC0721850 & ASN DAC211851, CASE STANDARD CRAWLER EXCAVATOR (NORTH AMERICA), CASE CRAWLER EXCAVATOR (NORTH AMERICA), CRAWLER EXCAVATOR TIER 3 (EU) (DC46B6001 DCH460R3N6EAS7001-), CRAWLER EXCAVATOR TIER 3 (NA), CRAWLER EXCAVATOR - TIER 3 (EUROPE) including models 9030B, 9040B, 9045B, CX135SR, CX145C SR, CX145D SR LC, CX145D SR LC W/BLADE, CX210N, CX225SR, CX240, CX290, CX460, CX470B.

Frequently asked questions

What is the part number?

The manufacturer part number is 163858A1.

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.

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.