Support

Enhance your heavy equipment performance with Case Construction Support #J904519. Designed for durability and reliability, this essential part ensures optimal functionality for your machinery, keeping your projects on track and running smoothly. Perfect for professionals in the construction industry.

Compatible equipment

This part fits CASE CRUZ-AIR WHEELED EXCAVATOR, CASE LONG TRACK/TURNABLE LEVELER CRAWLER EXCAVATOR, CASE CRAWLER TRACTOR, CASE FELLER/BUNCHER CRAWLER EXCAVATOR, CASE CRAWLER EXCAVATOR (NORTH AMERICA), CASE IH AXIAL-FLOW COMBINE (S/N JJC0032630 & AFTER) (NORTH AMERICA), CASE IH AXIAL-FLOW COMBINE (S/N JJC0034705 & AFTER) (NORTH AMERICA), CASE IH AXIAL-FLOW COMBINE, CASE CRAWLER DOZER (TIER 1), CASE IH AXIAL-FLOW COMBINE (S/N JJC0038346 & AFTER) (NORTH AMERICA), CASE IH HILLSIDE COMBINE (S/N JJC0080540 & AFTER), CASE IH AXIAL-FLOW COMBINE (S/N JJC0045689 & AFTER) (NORTH AMERICA), CASE IH COTTON HARVESTER, CASE IH COTTON PICKER (S/N JJC0012691 & AFTER), CASE IH COTTON PICKER (S/N JJC0002462 & AFTER), CRAWLER DOZER - TIER 1, CASE DIESEL TRACTOR (PRIOR TO S/N 17895000), CASE DIESEL TRACTOR (S/N 17895000 THRU 002 & UP), CASE IH COTTON PICKER, CASE IH COTTON EXPRESS COTTON PICKER, CASE DIESEL TRACTOR (PRIOR TO S/N 17897500), CASE DIESEL TRACTOR (S/N 17897500 TO 17897505 17897510 & AFTER, CASE IH AXIAL-FLOW COMBINE (NA), CASE IH COTTON EXPRESS COTTON PICKER (AFTER S/N JJC0249500), CASE IH COTTON EXPRESS COTTON PICKER (BEFORE S/N JJC0249499), CASE IH AXIAL-FLOW COMBINE (NA) ASN HAJ300001, PATRIOT SPRAYER, COTTON EXPRESS COTTON PICKER, CASE IH MAXXUM TRACTOR (NORTH AMERICA), CASE IH DIESEL TRACTOR, CASE IH MAXXUM TRACTOR, CASE TURBO HORIZONTAL DIRECTIONAL DRILLING MACHINE, CASE WHEEL LOADER (PRIOR TO S/N JAK0021701) (NORTH AMERICA), CASE WHEEL LOADER (S/N JAK0021701 & AFTER) (NORTH AMERICA), CASE WHEEL LOADER (NORTH AMERICA), CASE WHEEL LOADER, CASE WHEEL LOADER (BEFORE S/N JEE0135500), SERIES 1 CRAWLER - 07/01/2002 - 01/31/2005, CASE DIESEL POWER UNIT, CASE IH IRRIGATION POWER UNIT, CASE CONSTRUCTION KING LOADER BACKHOE, CASE IH MAGNUM TRACTOR (NORTH AMERICA), CASE IH MAGNUM TRACTOR, CASE WHEEL LOADER (S/N JEE0155000 & BEFORE), MOTOR GRADER TIER I (BR) - ASN N8AF07000, CASE LONG TRACK CRAWLER TRACTOR, MOTOR GRADER TIER 3 (BR) - ASN N8AF04429, CASE CRAWLER EXCAVATOR, MOTOR GRADER TIER 0 - TIER 2 (BR) - ASN N8AF05114, MOTOR GRADER TIER 3 (BR) - ASN N8AF05110, CASE IH SELF-PROPELLED ROTARY WINDROWER TRACTOR, 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 EXCAVATOR - TILTING TOOL ATTACHMENT W/QUICK COUPLER, CASE IH STEIGER 4WD TRACTOR (PRIOR TO S/N JCB0003600), CASE IH STEIGER 4WD TRACTOR (S/N JCB0003600 & AFTER), CASE IH STEIGER 4WD TRACTOR (FROM S/N 17900650 TO JCB0003599), CASE IH STEIGER 4WD TRACTOR (PRIOR TO S/N 17900650), CASE IH STEIGER 4WD TRACTOR (AFTER S/N 17900649), CASE IH STEIGER 4WD TRACTOR, CASE IH 4WD TRACTOR, ARTICULATED DUMP TRUCK (3.5 VERSION), CASE STANDARD CRAWLER EXCAVATOR (NORTH AMERICA), CASE LONG REACH CRAWLER EXCAVATOR (NORTH AMERICA), CRAWLER DOZER, 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 (N.A. VERSION), FLOATER, FLOATER - 1999, FLOATER - 2002, WHEEL LOADER (N.A. VERSION), WHEEL LOADER (N.A. VERSION) EFF S/N 335-UP, WHEEL LOADER, CASE IH MAXXUM DIESEL TRACTOR, CASE IH MAGNUM TRACTOR (P.I.N. JJA0105000 & AFTER), CASE IH MAGNUM TRACTOR (PRIOR TO P.I.N. JJA0105000), POWER UNIT, QSB - MOTOR GRADER, PATRIOT SPRAYER - 1999, PATRIOT SPRAYER - 2002, SPRAYER, SPX-SERIES PATRIOT SPRAYER, TRACTOR (NORTH AMERICA), TRACTOR, CASE WHEEL LOADER (S/N 17754000 & AFTER) including models 1085B, 1085C, 1086B, 1088, 1150E, 1150G, 1150H, 1155E, 1187C, 125B, 1550, 1620, 1640, 1644, 1650K, 1660, 1666, 1670, 1680, 1688, 1800, 1822, 1844, 1850K LGP, 1850K LT.

Frequently asked questions

What is the part number?

The manufacturer part number is J904519.

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.

Ships nationwide. In-stock parts ordered before 2:30 PM ET ship the same business day. Your exact shipping cost and delivery estimate are calculated at checkout from your ZIP code and the part’s size and weight; oversized and truck-freight items may need extra transit time and freight charges.

Free branch pickup is also available across Ohio, Indiana, Michigan, and Kentucky — just choose it at checkout.

30-day returns. New, unused parts in original packaging may be returned within 30 days. Some items — including electrical, special-order, and direct-from-supplier parts — are non-returnable. See our full return policy.