Hyd Connector

90424590 is CNH's current replacement for 86579680.

Compatible equipment

This part fits WHEEL LOADER - TIER 2 (INT), WHEEL LOADER - TIER 4 (EU), WHEEL LOADER - TIER 4 (NA), WHEEL LOADER - TIER 4B (NA), WHEEL LOADER STD LINKAGE - STAGE V - 2025 UPDATES, EXTENDED REACH LINKAGE TIER 4B (FINAL) (NA) - MY23, Z-BAR LINKAGE TIER 4B (FINAL) (NA) - MY23, WHEEL LOADER STD - STAGE V - CAB UPGRADE, WHEEL LOADER - STAGE V - TS - ZBAR, WHEEL LOADER - T4B - STD LINKAGE, WHEEL LOADER - T4B - XR LINKAGE, Z-BAR LINKAGE STAGE V (NA) - MY23, WHEEL LOADER TIER 4 (NA), STD LINKAGE WHEEL LOADER STAGE 5, Z-BAR LINKAGE TIER 2 - (ROW) - MY23, CASE CRAWLER DOZER (TIER 1), CRAWLER DOZER TIER 2, CRAWLER DOZER, 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 3 (NA), WHEEL LOADER - XR LINKAGE - TIER 4B (Final) - 2025 UPDATES, WHEEL LOADER - XT LINKAGE - TIER 4B (Final) - 2025 UPDATES, WHEEL LOADER - ZB LINKAGE - TIER 4B (Final) - 2025 UPDATES, WHEEL LOADER - ZB LINKAGE - TIER 4B (Final) - 2025 UPDATES - LA, WHEEL LOADER XT LINKAGE - STAGE V - 2025 UPDATES, PARALLEL LIFT LINKAGE TIER 4B (FINAL) (NA) - MY23, WHEEL LOADER XT - STAGE V - CAB UPGRADE, WHEEL LOADER - STAGE V - TS - XT, WHEEL LOADER - T4B - XT LINKAGE, PARALLEL LIFT LINKAGE STAGE V (LECCE BUILT) (NA) - MY23, PARALLEL LIFT LINKAGE TIER 4B (FINAL) (FARGO BUILT) (NA) - MY23, Z-BAR LINKAGE STAGE V (LECCE BUILT) (NA) - MY23, Z-BAR LINKAGE TIER 4B (FINAL) (FARGO BUILT) (NA) - MY23, TIER 2 - WHEEL LOADER - TIER 2 (INTN), WHEEL LOADER - TIER 3 (EU), WHEEL LOADER, WASTE HANDLING - TIER 4A (NA), WHEEL LOADER - PARALLEL LIFT LINKAGE TIER 4B (NA), WHEEL LOADER STD LINKAGE - TIER 4B (Final) - 2025 UPDATES including models 1021F, 1021G, 1021G WHEEL LOADER, 1021G+, 1021G2, 1021G2 WHEEL LOADER, 1121F, 1121G, 1121G WHEEL LOADER, 1121G+, 1121G2, 1121G2 WHEEL LOADER, 1650K, 1650K XLT, 1850K TIER 2, 521D, 521E, 521F, 521G, 521G WHEEL LOADER, 521G+, 521G2, 521G2 WHEEL LOADER, 621D, 621Dn, 621E, 621F, 621G, 621G WHEEL LOADER, 621G+, 621G2, 621G2 WHEEL LOADER, 651G, 651G WHEEL LOADER, 721D, 721E, 721F, 721G, 721G WHEEL LOADER, 721G+, 721G2, 721G2 WHEEL LOADER, 821E, 821F, 821G, 821G WHEEL LOADER, 821G+, 821G2, 821G2 WHEEL LOADER, 865 AWD, 921E, 921F, 921F XR, 921G, 921G WHEEL LOADER, 921G2, 921G2 WHEEL LOADER.

Frequently asked questions

What is the part number?

The manufacturer part number is 90424590. It replaces 86579680.

Is this a genuine OEM part?

Yes. This is a genuine CASE Construction part.

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.

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.