9840590 - OEM O-RING 0.139IN THICK X 3.734IN ID -240 CL 5 75 DURO - CASE CONSTRUCTION
9840590 - OEM O-RING 0.139IN THICK X 3.734IN ID -240 CL 5 75 DURO - CASE CONSTRUCTION
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CASE CONSTRUCTION OEM Part No. 9840590

O-ring 0.139in Thick X 3.734in Id -240 Cl 5 75 Duro

Case Construction ·106 Fitments

$1.45 USD · per unit In stock · 4 on hand
Ships fastFrom our warehouse
30-day returnsNo restocking fees
OEM guaranteedDirect from manufacturer
Machine Model Years
CASE LONG TRACK/TURNABLE LEVELER CRAWLER EXCAVATOR 1088 1988 – 1994
CRAWLER DOZER - TIER 4A 1150M LT 2012 – 2016
CRAWLER DOZER - TIER 4A 1150M WT/LGP 2012 – 2016
DROTT CRAWLER EXCAVATOR 120 1975 – 1978
CASE CRAWLER EXCAVATOR (NORTH AMERICA) 125B 1988 – 1989
SERIES 3 CRAWLER TIER 3 1850K 2006 – 2013
CRAWLER DOZER - TIER 1 1850K LGP 2002 – 2003
CRAWLER DOZER - TIER 1 1850K LT 2002 – 2003
CASE CRAWLER DOZER (TIER 1) 1850K TIER 1 2001 – 2006
CRAWLER DOZER TIER 2 1850K TIER 2 2002 – 2006

Enhance your heavy equipment’s performance with the Case Construction O-Ring. Measuring 0.139 inches thick and 3.734 inches ID, this durable component (240 Cl 5, 75 Duro) ensures reliable sealing for optimal operation. Perfect for demanding applications.

Compatible equipment

This part fits CASE LONG TRACK/TURNABLE LEVELER CRAWLER EXCAVATOR, CRAWLER DOZER - TIER 4A, DROTT CRAWLER EXCAVATOR, CASE CRAWLER EXCAVATOR (NORTH AMERICA), SERIES 3 CRAWLER TIER 3, CRAWLER DOZER - TIER 1, CASE CRAWLER DOZER (TIER 1), CRAWLER DOZER TIER 2, WINCH, POCLAIN CRAWLER EXCAVATOR, POCLAIN CRAWLER EXCAVATOR - CK (12440-13030) - CL (8441-8714), POCLAIN CRAWLER EXCAVATOR - ELECTRICAL MOTOR (ZAIRE), CASE SKID KING WHEEL LOADER, CASE CRAWLER TRACTOR (S/N 3023001 TO 3032301), CASE CRAWLER TRACTOR (S/N 3032301 TO 3039619), CASE CRAWLER TRACTOR (S/N 3039619 & AFTER), BACKHOE FOR 310G AND 450 CRAWLER, BACKHOE FOR 580CK, BACKHOE FOR W SERIES RIGID LOADERS, BACKHOE FOR 680CK TRACTOR, BACKHOES FOR CRAWLER MODELS 750 850 1150, SERIES A INTERNATIONAL LOADER TRACTOR, CASE CRAWLER TRACTOR, CASE LOADER/LANDSCAPER TRACTOR (AFTER S/N JJE0001501), CASE LOADER/LANDSCAPER TRACTOR (BEFORE S/N JJE0001500), DROTT SERIES-A CRAWLER EXCAVATOR, INTERNATIONAL HARVESTER COMPACT LOADER, CASE LOAD KING WHEEL LOADER, CASE WHEEL LOADER (BEFORE S/N JEE0135500), CASE WHEEL LOADER (S/N JEE0135501 & AFTER) - ENGINE SUPPLEMENT, CASE WHEEL LOADER - NA (S/N JEE0135501 & AFTER), TRENCHER SUPPLEMENT (NORTH AMERICAN HOMOLOGATION), CASE WHEEL LOADER (PRIOR TO S/N JAK0021701) (NORTH AMERICA), CASE WHEEL LOADER (S/N JAK0021701 & AFTER) (NORTH AMERICA), CASE TRENCHER, CASE CONSTRUCTION KING LOADER BACKHOE (UP TO S/N 9101501), CASE CONSTRUCTION KING LOADER BACKHOE, CASE WHEELED EXCAVATOR - RAIL-ROAD (GERMANY), CASE CRAWLER TRACTOR (AFTER S/N 7070351), POCLAIN WHEELED EXCAVATOR, CASE WHEEL LOADER (NORTH AMERICA), MOTOR GRADER - ASN 020001, MOTOR GRADER TIER 2- BTW 020101-020187, MOTOR GRADER TIER I (BR) - ASN N8AF07000, MOTOR GRADER - TIER 3 (NA) - ASN N7AF03356, MOTOR GRADER - TIER 3 (NA) - ASN N8AF03592, MOTOR GRADER - DIRECT DRIVE - TIER 3 (BR), MOTOR GRADER - TORQUE CONVERTER - TIER 3 (BR), MOTOR GRADER TIER 3 (NEW CAB), CASE TURBO TRENCHER, MOTOR GRADER - ASN 022001, MOTOR GRADER TIER 2 - ASN 022101, MOTOR GRADER TIER 3 (NA), MOTOR GRADER - ASN N5AF04007, MOTOR GRADER - TIER 3 (NA) - ASN N7AF04232 & N6AF04226, MOTOR GRADER TIER 3 (BR) - ASN N8AF04429, MOTOR GRADER TIER 3 (NA) - ASN N8AF04429, MOTOR GRADER - ASN 024001, MOTOR GRADER TIER 0 - TIER 2 (BR) - ASN N8AF05114, MOTOR GRADER TIER 2 - BTW 024102-024129, MOTOR GRADER TIER 3 (BR) - ASN N8AF05110, MOTOR GRADER TIER 3 (NA) - ASN N7AF05055, MOTOR GRADER TIER 3 (NA) - ASN N8AF05110, CASE CRAWLER EXCAVATOR (S/N 15401-) (S/N 106801-), CASE CRAWLER EXCAVATOR (S/N 74163-74418) (S/N 15201-), CASE TURNTABLE LEVELER CRAWLER EXCAVATOR, CASE/POCLAIN CRAWLER EXCAVATOR (S/N 9501 & AFTER), POCLAIN CRAWLER EXCAVATOR (NORTH AMERICA), TELEHANDLER, CASE UNIT LOADER (PRIOR TO S/N 8229367), CASE UNIT LOADER, CASE WHEEL LOADER, CASE WHEEL LOADER (S/N 8174260 & AFTER) including models 1088, 1150M LT, 1150M WT/LGP, 120, 125B, 1850K, 1850K LGP, 1850K LT, 1850K TIER 1, 1850K TIER 2, 1850K XLT, 19, 220, 220B, 300C, 310G, 33, 34, 3400, 350, 350B, 380B, 40EC, 40YC, 4150.

Frequently asked questions

What is the part number?

The manufacturer part number is 9840590.

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
9840590
Internal SKU
IC:9840590
Brand
CASE CONSTRUCTION
Condition
OEM, new
Category
Case Construction
Weight
0.01 lb

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.

This part appears in these diagrams

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