Kit Primer

Introducing the Case Construction Kit Primer #278866A1, an essential component for heavy equipment enthusiasts. This durable kit enhances your machinery’s performance, ensuring optimal operation and longevity. Perfect for maintenance and upgrades, it?s a must-have for any Case equipment owner.

Compatible equipment

This part fits CASE AGRI-KING TRACTOR (PRIOR TO S/N 8675001), CASE AGRI-KING TRACTOR (S/N 8675001 & AFTER), CASE CRAWLER EXCAVATOR, CASE AGRI-KING DIESEL TRACTOR, CASE TORQUE CONVERTER CRAWLER TRACTOR (S/N 7110300 & AFTER), CASE CRAWLER TRACTOR, CASE CRAWLER TRACTOR (NORTH AMERICA), CASE LOGGER CRAWLER EXCAVATOR, CASE AGRI-KING TRACTOR (PRIOR TO S/N 8736001), CASE AGRI-KING TRACTOR (S/N 8736001 & AFTER), KIT PUMP MOUNTING W/LOADER FOR FMD FPM FSM TRACTORS, KIT HYDRAULIC USED W/LOADER ON FMD FPM FSM TRACTORS, 2 CYL COMPACT TRACTOR, CASE AGRI-KING TRACTOR (PRIOR TO S/N 8727601), CASE AGRI-KING TRACTOR (S/N 8727601 & AFTER), INTERNATIONAL HARVESTER MOLDBOARD PLOW, 90 DT - FIAT TRACTOR (LA), CASE TRACTION KING DIESEL TRACTOR, CASE AGRI-KING TRACTOR (''''SPIRIT OF ''76'''' OPTION), 90 - FIAT TRACTOR, 90 DT - FIAT TRACTOR, CASE DIESEL TRACTOR, CASE TRACTION KING TRACTOR (AFTER S/N 8762940), CASE TRACTION KING TRACTOR (BEFORE S/N 8762940), CASE TRACTION KING TRACTOR, CASE SKID KING WHEEL LOADER, CASE 4-CYL. DIESEL POWER UNIT, DROTT ENGINES FOR 35 CRAWLER - B SERIES, CASE DIESEL ENGINE AND POWER UNIT, CASE ENGINE, DROTT SERIES-D CRAWLER EXCAVATOR (S/N 6266131 & AFTER), LAVERDA HILLSIDE COMBINE - BASE UNIT, DROTT SERIES-D CRAWLER EXCAVATOR (S/N 6270716 & AFTER), DROTT SERIES-E CRAWLER EXCAVATOR (S/N 6271140 & AFTER), CASE TRACTOR, CASE IH TRACTOR, CASE DIESEL ENGINE & POWER UNIT (SIZE 111), CASE CABLE LAYER W/301B ENGINE (PRIOR TO S/N 3058169), CASE CABLE LAYER W/336 ENGINE (S/N 3058169 & AFTER), CASE SERIES-E CRAWLER EXCAVATOR (S/N 6280543 & AFTER), CASE CONSTRUCTION KING LOADER BACKHOE, CASE CRAWLER TRACTOR (S/N 7073469 & AFTER) (NORTH AMERICA), CASE AGRI-KING TRACTOR (PRIOR TO P.I.N. 8675001), 6 CYL AG TRACTOR, CASE CRAWLER EXCAVATOR (S/N 6203751 & AFTER), WIDE SUPER COMFORT CAB - 90 SERIES, CRAWLER DOZER, CRAWLER DOZER (N.A. VERSION)(S/N 061640 & AFTER), CRAWLER DOZER (N.A. VERSION), MOTOR GRADER, CRAWLER LOADER (N.A. VERSION), WHEEL LOADER (N.A. VERSION), WHEEL LOADER, WHEEL LOADER - LOW EMISSION ENGINE SUPPLEMENT (N.A. VERSION), SELF-PROPELLED FORAGE HARVESTER, CASE WHEEL LOADER (S/N 9811801 & AFTER), CASE ARTICULATED WHEEL LOADER (PRIOR TO S/N 9119672) (NORTH AMERICA), CASE UNIT LOADER W/POD CAB (S/N 9119672 & AFTER) (NORTH AMERICA), CASE UNIT LOADER W/POD CAB (S/N 9119672 & AFTER), CASE ARTICULATED WHEEL LOADER (PRIOR TO S/N 9119672), CASE ARTICULATED WHEEL LOADER, CASE WHEEL LOADER, CASE WHEEL LOADER (PRIOR TO S/N 17754000), CASE WHEEL LOADER (S/N 17754000 & AFTER), CASE WHEEL LOADER (S/N 9811301 & AFTER) (NORTH AMERICA) including models 1070, 1080, 1080B, 1090, 1150, 1150B, 1150C, 1150D, 1155D, 1170, 1175, 1187, 1187B, 1270, 1280, 1280B, 1285, 1286, 1300, 1370, 140, 1450, 1450B, 1455B, 1470.

Frequently asked questions

What is the part number?

The manufacturer part number is 278866A1.

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.