Kit Check Plug A

Enhance your Case construction equipment’s performance with the Case Construction Kit Check Plug A #274858. This durable, high-quality part ensures optimal fluid levels and system efficiency, keeping your machinery running smoothly on the job site.

Compatible equipment

This part fits CASE LONG TRACK CRAWLER TRACTOR, CASE CONSTRUCTION KING LOADER BACKHOE, CASE CRAWLER TRACTOR, IND - CASE CRAWLER TRACTOR, CASE SUPER-D CONSTRUCTION KING LOADER BACKHOE, CASE SUPER-E CONSTRUCTION KING LOADER BACKHOE, SERIES 1 CRAWLER - 07/01/2002 - 01/31/2005, SERIES 2 CRAWLER TIER 2 - 01/21/2005 - 06/16/2006, SERIES 3 CRAWLER TIER 2 - 06/20/2006 - 12/31/2008, CRAWLER DOZER TIER 3 (HYDRO), CRAWLER DOZER - TIER 4B, CRAWLER DOZER TIER 3, CRAWLER DOZER - TIER 4A including models 450C, 455C, 480D, 480E, 480E LL, 480F, 480F LL, 480LL, 550, 550E, 550G, 550H, 580D, 580E, 580SD, 580SE, 650, 650G, 650H, 650K, 650L, 650M LT, 650M WT, 750H, 750K.

Frequently asked questions

What is the part number?

The manufacturer part number is 274858.

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.