18438 - OEM O-RING - CASE CONSTRUCTION
18438 - OEM O-RING - CASE CONSTRUCTION
100%
CASE CONSTRUCTION OEM Part No. 18438

O-ring

Case Construction ·335 Fitments

$5.75 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 IH REAR MOUNTED BLADE 10 1977 – 1978
INTERNATIONAL DIESEL TRACTOR 1026 1970 – 1988
INTERNATIONAL 66 SERIES DIESEL TRACTOR 1066 1971 – 1978
INTERNATIONAL DIESEL TRACTOR 1086 1976 – 1979
CASE IH REAR MOUNTED BLADE 11 1984 – 1992
FARMALL DIESEL TRACTOR 1206 1965 – 1968
INTERNATIONAL DIESEL TRACTOR 1256 1967 – 1973
CASE CRAWLER EXCAVATOR (NORTH AMERICA) 125B 1988 – 1989
DMI ECOLO-CHAMP COLTER CHISEL 1300 1985 – 1992
INTERNATIONAL HARVESTER CULTIVATOR 133 1980 – 1988

The OEM Case Construction O-Ring #18438 is a high-quality OEM part designed for durability and reliable performance in Case Construction equipment. Engineered to meet strict OEM specifications, this o-ring ensures optimal functionality, long service life, and a perfect fit for your machinery. Ideal for maintenance and replacement needs, this component helps maintain peak operational efficiency.

Key Features:

  • Brand: Case Construction
  • Part Name: O-Ring
  • Part Number: #18438
  • Weight:
  • Dimensions:

Compatible equipment

This part fits CASE IH REAR MOUNTED BLADE, INTERNATIONAL DIESEL TRACTOR, INTERNATIONAL 66 SERIES DIESEL TRACTOR, FARMALL DIESEL TRACTOR, CASE CRAWLER EXCAVATOR (NORTH AMERICA), DMI ECOLO-CHAMP COLTER CHISEL, INTERNATIONAL HARVESTER CULTIVATOR, 90 DT - FIAT TRACTOR (LA), INTERNATIONAL HARVESTER 2-WAY MOLDBOARD PLOW, CASE IH MOLDBOARD PLOW, CRAWLER DOZER TIER 3 (NA/EU) (HYDRO), CASE IH ROTARY HOE, SERIES 3 CRAWLER TIER 3, CRAWLER DOZER - TIER 1, CASE CRAWLER DOZER (TIER 1), CRAWLER DOZER TIER 2, VERSATILE SWATHER, INTERNATIONAL INDUSTRIAL DIESEL TRACTOR, POCLAIN CRAWLER EXCAVATOR, POCLAIN CRAWLER EXCAVATOR - CK (12440-13030) - CL (8441-8714), POCLAIN CRAWLER EXCAVATOR - ELECTRICAL MOTOR (ZAIRE), DROTT LOGGER & HEAVY DUTY CRAWLER EXCAVATOR, INTERNATIONAL SERIES-A TRACTOR (NORTH AMERICA), INTERNATIONAL INDUSTRIAL TRACTOR, VERSATILE PUSH-TYPE SWATHER - 160V, VERSATILE PUSH-TYPE SWATHER - 1979, VERSATILE PUSH-TYPE SWATHER - 1984, INTERNATIONAL TRACTOR, DMI NUTRI-PLACR, 3 CYL AG TRACTOR ALL PURPOSE, PATRIOT SPRAYER, INTERNATIONAL HYDROSTATIC TRACTOR, INTERNATIONAL HARVESTER DISK HARROW, CASE IH VIBRA TINE CULTIVATOR, 3 CYL HIGHWAY TRACTOR, 3 CYL AG NARROW TRACTOR, 3 CYL NARROW ORCHARD TRACTOR, INTERNATIONAL 4WD DIESEL TRACTOR, CASE IH ROLLER MULCHER, CASE IH FIELD CULTIVATOR, NH DISC MOWER, CASE IH VIBRA SHANK CULTIVATOR, CASE LONG TRACK CRAWLER TRACTOR, 3 CYL ORCHARD TRACTOR, CASE IH DISK HARROW, 4 CYL AG TRACTOR ALL PURPOSE, 4 CYL AG NARROW TRACTOR, 4 CYL ORCHARD TRACTOR, INTERNATIONAL HARVESTER TANDEM DISK HARROW, AXIAL-FLOW COMBINE (NA), COMBINE - TIER 4 COMMON CAB, COMBINE TIER 4, COMBINE - TIER 4 (NA), COMBINE - TIER 4B (NA), COMBINE - TIER 4B (NA) ASN - YFG014001, MY18 COMBINE TIER 4B (NA), MY20 COMBINE TIER 4B (NA), MY21 COMBINE TIER 4B (NA), CASE WHEEL LOADER (BEFORE S/N JEE0135500), CASE WHEEL LOADER (S/N JEE0135501 & AFTER) - ENGINE SUPPLEMENT, CASE WHEEL LOADER - NA (S/N JEE0135501 & AFTER), DMI ECOLO-TIGER, INTERNATIONAL HARVESTER MANURE SPREADER, FARMALL TRACTOR, INTERNATIONAL CHISEL PLOW, MCCORMICK-INTERNATIONAL CHISEL PLOW, CASE CRAWLER TRACTOR, IND - CASE CRAWLER TRACTOR, INTERNATIONAL SERIES-A TRACTOR (EUROPE), LOADER BACKHOE (NORTH AMERICA), LOADER BACKHOE (NORTH AMERICA) (ASN JJG0020000), CASE TURBO HORIZONTAL DIRECTIONAL DRILLING MACHINE, MY18 COMBINE TIER 4B (EU), INTERNATIONAL HARVESTER COTTON PICKER, INTERNATIONAL GEAR DRIVE TRACTOR, CHISEL PLOW, COULTER CHISEL, PARABOLIC CHISEL, INTERNATIONAL HARVESTER TRAILING MOLDBOARD PLOW, COMBINE - TIER 4B (NA) - 2014, COMBINE - TIER 4B (NA) - 2016, MY19 COMBINE TIER 4B (NA), FRONT END LOADER, CASE TRENCHER, INTERNATIONAL 66 SERIES TRACTOR, INTERNATIONAL HARVESTER LISTER, INTERNATIONAL HARVESTER MIDDLEBUSTER, INTERNATIONAL HARVESTER TOOL BAR, VERSATILE LARGE 4WD TRACTOR, VERSATILE 4WD TRACTOR - 1978:, VERSATILE 4WD TRACTOR - 1979:, VERSATILE 4WD TRACTOR - 1980:, VERSATILE 4WD TRACTOR - 1981:, VERSATILE 4WD TRACTOR - 1982:, VERSATILE 4WD TRACTOR - 1984:, VERSATILE 4WD TRACTOR S/N 151801 & ON, CASE TURBO TRENCHER, TRENCHER SUPPLEMENT (NORTH AMERICAN HOMOLOGATION), CASE IH AIR DRILL, 6 CYL AG TRACTOR, VERSATILE LARGE 4WD TRACTOR - 1978, VERSATILE LARGE 4WD TRACTOR - 1979, VERSATILE LARGE 4WD TRACTOR - 1981, VERSATILE LARGE 4WD TRACTOR - 1982, VERSATILE LARGE 4WD TRACTOR - 1984, VERSATILE LARGE 4WD TRACTOR S/N 057801-057905, VERSATILE LARGE 4WD TRACTOR S/N 057906 & ON, VERSATILE 4WD TRACTOR - 1984., VERSATILE 4WD TRACTOR S/N 92101 & ON, VERSATILE 4WD TRACTOR (1978), VERSATILE 4WD TRACTOR (1979), VERSATILE 4WD TRACTOR (1980), VERSATILE 4WD TRACTOR (1981), VERSATILE 4WD TRACTOR (1982), VERSATILE TRACTOR - 1984, INTERNATIONAL HARVESTER COTTON HARVESTER, INTERNATIONAL HARVESTER FINGER HEAD COTTON HARVESTER, VERSATILE LARGE 4WD TRACTOR (1978), VERSATILE LARGE 4WD TRACTOR (1979), VERSATILE LARGE 4WD TRACTOR (1980), VERSATILE LARGE 4WD TRACTOR (1981), VERSATILE LARGE 4WD TRACTOR (1982), VERSATILE TRACTOR - 1983, SERIES-B MAXI-SNEAKER CABLE LAYER, REVELATION COMBINE - TIER 4B (NAFTA), REVELATION COMBINE - TIER 5 (NAFTA), REVELATION COMBINE TRACK - TIER 4B (NAFTA), REVELATION COMBINE TRACK - TIER 5 (NAFTA), COMBINE, COMBINE - MADE IN U.S.A., COMBINE - BASE UNIT, WIDE SUPER COMFORT CAB - 90 SERIES, CRAWLER DOZER TIER 3 (HYDRO), CRAWLER LOADER, CASE IH FRONT END LOADER, CASE IH SELF-LEVELING LOADER, CASE IH FRONT END LOADER - MAGNUM TRACTOR, CASE IH TRACTOR, DAVIS FLEETLINE 30 4 TRENCHER, PATRIOT SPRAYER - TIER 4B, DAVIS FLEETLINE 40 4 TRENCHER, SKID STEER LOADER - NRC, SKID STEER LOADER - TIER 4B, SKID STEER LOADER - TIER 4A, SKID STEER LOADER TIER 4, TRACTOR, COMPACT TRACK LOADER - NRC, COMPACT TRACK LOADER - TIER 4B, 4 CYL TRACTOR, 4 CYL TRACTOR TIER 3 (PIN # 688107 & ABOVE), 4 CYL TRACTOR TIER 3 (PIN # 788137 & ABOVE) including models 10, 1026, 1066, 1086, 11, 1206, 1256, 125B, 1300, 133, 140, 1456, 1466, 1468, 1486, 155, 165, 1650L, 180, 181, 1850K, 1850K LGP, 1850K LT, 1850K TIER 1, 1850K TIER 2.

Frequently asked questions

What is the part number?

The manufacturer part number is 18438.

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
18438
Internal SKU
IC:18438
Brand
CASE CONSTRUCTION
Condition
OEM, new
Category
Case Construction
Weight
0.04 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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