O-ring

Enhance your heavy equipment’s performance with the Case Construction O-Ring #49886. Designed for durability and precision, this essential component ensures a reliable seal, preventing leaks and maintaining optimal functionality in your machinery. Perfect for all Case models.

Compatible equipment

This part fits CASE CRAWLER EXCAVATOR, CASE CRUZ-AIR WHEELED EXCAVATOR, CASE CRAWLER EXCAVATOR - DUAL POWER ELECTRIC & DIESEL ENGINE, CASE LONG TRACK/TURNABLE LEVELER CRAWLER EXCAVATOR, CASE CRAWLER TRACTOR, CASE LOGGER CRAWLER EXCAVATOR, CASE FELLER/BUNCHER CRAWLER EXCAVATOR, POCLAIN CRAWLER EXCAVATOR, CRAWLER DOZER TIER 2, CRAWLER DOZER, CASE UNI-LOADER SKID STEER LOADER, SERIES 3 CRAWLER TIER 3, DROTT LOGGER & HEAVY DUTY CRAWLER EXCAVATOR, BACKHOE, LOADER, BACKHOE AND LOADER FOR 530CK TRACTORS, BACKHOE FOR W7, W9A, W9B, W10, BACKHOE AND LOADER, BACKHOE FOR 310G AND 450 CRAWLER, BACKHOE FOR 580CK, BACKHOE FOR W SERIES RIGID LOADERS, SERIES A INTERNATIONAL LOADER TRACTOR, BACKHOE FOR 450, 450B, 850, 850B, AND W14, CASE TRENCHER, CASE G.P. & L.C.G. WHEEL TRACTOR, CASE LOADER/LANDSCAPER TRACTOR, DROTT SERIES-B FELLER/BUNCHER CRAWLER EXCAVATOR, DROTT SERIES-B CRAWLER EXCAVATOR, CASE SKID STEER LOADER, CASE CONSTRUCTION KING WHEEL TRACTOR, CASE LONG TRACK CRAWLER TRACTOR, CASE CONSTRUCTION KING LOADER BACKHOE, BACKHOE LOADER - TIER 3 NRC, BACKHOE LOADER, 2WD - TIER 3 NRC - MY18, BACKHOE LOADER, 2WD - TIER 3 NRC - MY19, BACKHOE LOADER, 4WD - TIER 3 NRC - MY18, BACKHOE LOADER, 4WD - TIER 3 NRC - MY19, LOADER BACKHOE - TIER 3 NRC, BACKHOE LOADER, 4WD - WIDE TRACK - TIER 3 NRC - MY18, BACKHOE LOADER, 4WD - WIDE TRACK - TIER 3 NRC - MY19, BACKHOE LOADER, WIDE TRACK - TIER 3 NRC, CASE TERRATRAC GASOLINE CRAWLER TRACTOR, CASE EXCAVATOR - ELECTRO MAGNET, CASE EXCAVATOR - HANDLING CLAMSHELL, CASE EXCAVATOR - HYDRAULIC SHEARS, POCLAIN WHEELED EXCAVATOR, CASE EXCAVATOR - BACKUP AUDIBLE WARNING DEVICE, CASE WHEELED EXCAVATOR - LOW PROFILE CAB, CASE TURBO TRENCHER, CASE TURNTABLE LEVELER CRAWLER EXCAVATOR, CASE EXCAVATOR - TILTING TOOL ATTACHMENT W/QUICK COUPLER, MINI CRAWLER EXCAVATOR, CAB - STAGE V, MINI CRAWLER EXCAVATOR, CANOPY - STAGE V, CASE BACKHOE, E4B-ITC-1 ENGINE STAGE V - KUBOTA, E4B-SMP-1 ENGINE STAGE V - KUBOTA, E4B-SMP-1A ENGINE STAGE V - KUBOTA, VIBRATORY ROLLER, VIBRATORY ROLLER TIER 3, PNEUMATIC TIRE ROLLER TIER 3, PNEUMATIC TIRE ROLLER TIER 4B, TIRE COMPACTOR - STAGE V - MY24, SMALL ARTICULATED LOADER, VIBRATORY ROLLER TIER 1, SINGLE DRUM COMPACTOR, MINI TRACK LOADER 1000 - STAGE V, CASE UNIT LOADER, CASE WHEEL LOADER including models 1080B, 1085B, 1085C, 1086B, 1088, 1150B, 1150D, 1150E, 1150G, 1155D, 1155E, 1187, 1187B, 1187C, 1450B, 1455B, 1550, 160CK, 160CKS, 160CL, 1650K, 1650K XLT, 170C, 1816, 1816C.

Frequently asked questions

What is the part number?

The manufacturer part number is 49886.

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.