O-ring Cl.5 Peroxide Cure

Enhance your heavy equipment’s performance with the Case Construction O-Ring Cl.5 Peroxide Cure #87421149. Designed for durability and reliability, this high-quality O-ring ensures optimal sealing and longevity, making it essential for maintaining your machinery’s efficiency.

Compatible equipment

This part fits INTERNATIONAL DIESEL TRACTOR, CASE CRAWLER TRACTOR, CASE CRAWLER TRACTOR (NORTH AMERICA), CASE AGRI-KING TRACTOR (S/N 8736001 & AFTER), CASE AGRI-KING TRACTOR (S/N 8727601 & AFTER), INTERNATIONAL 66 SERIES DIESEL TRACTOR, CASE AGRI-KING DIESEL TRACTOR, CASE AGRI-KING TRACTOR (''''SPIRIT OF ''76'''' OPTION), CASE DIESEL TRACTOR (PRIOR TO S/N 17895000), CASE DIESEL TRACTOR (S/N 17895000 THRU 002 & UP), 471 - BACKHOE 17 FOOT 5500 TLB, CASE DIESEL TRACTOR, CASE DIESEL TRACTOR (PRIOR TO S/N 17897500), INTERNATIONAL INDUSTRIAL TRACTOR, INTERNATIONAL INDUSTRIAL DIESEL TRACTOR, CASE TRACTION KING TRACTOR, INTERNATIONAL ARTICULATED TRACTOR, 3 CYL UTILITY TRACTOR, INTERNATIONAL HYDROSTATIC TRACTOR, INTERNATIONAL 4WD DIESEL TRACTOR, 3 CYL TRACTOR LOADER, CASE TRACTOR, CASE IH TRACTOR, 3 CYL TRACTOR LOADER BACKHOE, CASE CABLE LAYER W/336 ENGINE (S/N 3058169 & AFTER), CASE WHEEL LOADER (BEFORE S/N JEE0135500), CASE WHEEL LOADER (S/N JEE0135501 & AFTER) - ENGINE SUPPLEMENT, CASE WHEEL LOADER - NA (S/N JEE0135501 & AFTER), WHEEL LOADER - TIER 4B (NA), SERIES - 4 CYL TRACTOR LOADER BACKHOE, 4 CYL TRACTOR LOADER BACKHOE, TRACTOR LOADER BACKHOE, 4 CYL AG TRACTOR 40 SERIES, CASE WHEEL LOADER (NORTH AMERICA), CASE WHEEL LOADER, WHEEL LOADER TIER 3 (NA), WHEEL LOADER - TIER 4 (NA), NH ROUND BALER, MCCORMICK-INTERNATIONAL 6-ROW PLANTER, CASE WHEEL TRACTOR, BHX1114 BACKHOE, PTO POWERED PUMP & RESERVOIR (4-5 GPM AT 540 RPM), SERIES - INDUSTRIAL LOADER, FARMALL TRACTOR, INTERNATIONAL TRACTOR, BACKHOE, INDUSTRIAL BACKHOE, INTERNATIONAL 66 SERIES TRACTOR, SERIES - FORD FARM LOADER - 1971, SERIES - FORD FARM LOADER, SERIES - FORD QUICK-ATTACH FARM LOADER, SERIES - FORD NON QUICK-ATTACH FARM LOADER, CASE CONSTRUCTION KING LOADER BACKHOE, 6 CYL AG TRACTOR 40 SERIES, 6 CYL ORCHARD TRACTOR 40 SERIES, 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 LONG TRACK CRAWLER TRACTOR, 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, CASE CRAWLER EXCAVATOR, 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, BOOMER 8N BACKHOE, SUGAR CANE HARVESTER (BRAZIL) - ASN 400004, 4 CYL WHEEL LOADER, 4 CYL WHEEL LOADER - EUROPE, 6 CYL WHEEL LOADER, BACKHOE LOADER TIER 3 (2008), BACKHOE LOADER - TIER 3, NA BACKHOE LOADER, LOADER BACKHOE, BACKHOE LOADER - STRAIGHT LOADER ARM (LIVERY) - TIER 3 NRC (LAR), BACKHOE LOADER CENTER PIVOT STRAIGHT LOADER ARM 2WD - TIER 3 - MY19, BACKHOE LOADER CENTER PIVOT STRAIGHT LOADER ARM 4WD (LAR) - TIER 3 - MY19, LOADER BACKHOE - TIER 3 NRC, BACKHOE LOADER (LIVERY) - TIER 4B (NA), BACKHOE LOADER - TIER 4A, BACKHOE LOADER - TIER 4B, BACKHOE LOADER CENTER PIVOT STRAIGHT LOADER ARM 2WD - TIER 4B - MY19, BACKHOE LOADER CENTER PIVOT STRAIGHT LOADER ARM 4WD - TIER 4B - MY19, BACKHOE LOADER - TOOL CARRIER (LIVERY) - TIER 3 NRC (LAR), BACKHOE LOADER CENTER PIVOT TOOL CARRIER 4WD (LAR) - TIER 3 - MY19, BACKHOE LOADER CENTER PIVOT STRAIGHT LOADER ARM 4WD - TIER 3 - MY19, BACKHOE LOADER - STRAIGHT LOADER ARM (LIVERY) - TIER 3 NRC, BACKHOE LOADER - TOOL CARRIER (LIVERY) - TIER 3 NRC, BACKHOE LOADER CENTER PIVOT TOOL CARRIER 4WD - TIER 3 - MY19, BACKHOE LOADER (LIVERY) - TIER 4B, BACKHOE LOADER - LONG REACH - TIER 4A, BACKHOE LOADER - LONG REACH - TIER 4B, BACKHOE LOADER - TOOL CARRIER (LIVERY) - TIER 4B, BACKHOE LOADER - TOOL CARRIER - TIER 4A, BACKHOE LOADER - TOOL CARRIER - TIER 4B, BACKHOE LOADER CENTER PIVOT TOOL CARRIER 4WD - TIER 4B - MY19, DRIVE AXLE, O - DRIVE AXLE, MOTOR GRADER, MOTOR GRADER ASN N8AF06000, MOTOR GRADER TIER 1 - TIER 2 - ASN N8AF00626, VARIABLE POWER MOTOR GRADER, MOTOR GRADER - NEW CAB (BRAZIL), MOTOR GRADER TIER 0 - TIER 2 - ASN N8AF01475, MOTOR GRADER TIER 0 - TIER 2 - ASN N8AF02180, CRAWLER LOADER, NH MOTOR GRADER TIER 2 (NA), MOTOR GRADER TIER 3 (NA) - ASN N8AF00625, NH MOTOR GRADER, VP MOTOR GRADER (NA), MOTOR GRADER TIER 2 (NA), MOTOR GRADER TIER 3 (NA) - ASN N8AF02139, BACKHOE LOADER UPGRADE 2000, LOADER BACKHOE (NA) ASN 031044996, 4WS BACKHOE LOADER UPGRADE 2000, 4WS TRACTOR LOADER BACKHOE, BACKHOE LOADER UPGRADE 2000 4WS, LOADER BACKHOE (NA VERSION) - S/N: 031047801 AND AFTER, TRACTOR LOADER BACKHOE - 4 WHEEL STEERING, BACKHOE LOADER (NA VERSION) - S/N: 031044851 AND AFTER, BACKHOE LOADER (NA VERSION) - S/N: 031044887 AND AFTER, WHEEL LOADER (REV 05/2005), QSB - MOTOR GRADER, EMISSIONISED TRACTOR, NON-EMISSIONISED TRACTOR, TRACTOR (INTERNATIONAL REGIONS INCLUDING MEXICO), TRACTOR (NA), NH CONVENTIONAL COMBINE, CASE UNIT LOADER (PRIOR TO S/N 8229367), CASE WHEEL LOADER (S/N 8208732 TO 9808999), CASE WHEEL LOADER (S/N 9809000 TO 9811800), CASE UNIT LOADER, WHEEL LOADER (W130/W130TC) (NA), WHEEL LOADER - TIER 2 (INT), CASE WHEEL LOADER (S/N 9123140 & AFTER) (NORTH AMERICA), CASE WHEEL LOADER (PRIOR TO S/N 9123140), CASE WHEEL LOADER W/POD CAB - NEW YORK STATE SPECIAL, CASE ARTICULATED WHEEL LOADER, CASE UNIT LOADER (S/N 8160001 TO 8208732) including models 1086, 1150B, 1150C, 1150D, 1150E, 1150G, 1150H, 1155D, 1155E, 1270, 1370, 1450, 1450B, 1455B, 1468, 1486, 1550, 1570, '1570, 1896, 19, 2090, 2096, 2294, 2390.

Frequently asked questions

What is the part number?

The manufacturer part number is 87421149.

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.