21 Tooth X Series Sprocket 2" Round Bore For 40 Pitch Chain

Enhance your heavy equipment’s performance with the Case Construction 21 Tooth X Series Sprocket. Designed for durability, this 2″ round bore sprocket is compatible with 40 pitch chain #W20004021DS, ensuring reliable operation in demanding environments.

Frequently asked questions

What is the part number?

The manufacturer part number is W20004021DS.

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.