Aftermarket O-Ring

Aftermarket O-Ring for Case Construction, replaces OEM #128359

Built to match the fit, form, and performance of the genuine part at a lower price, backed by a 12 month warranty. We stock the OEM version too if you prefer it.

Compatible equipment

This aftermarket o-ring fits: MAXXUM 110 Tractor, MAXXUM 125 Tractor, MAXXUM 115 Tractor, MAXXUM 145 Tractor, MAXXUM 140 Tractor, MAXXUM 135 Tractor, MAXXUM 150 Tractor, FARMALL 75N Tractor, FARMALL 125A Tractor, RB565 Baler, RB456A Baler, RB455 Baler, LB436P HPD Baler, LB436RC HPD Baler, AXIAL-FLOW 8260 Combine, 7250 Combine, 8250 Combine, 9250 Combine, AF4099 Combine, AF4088 Combine, AF10 E5 Combine, AF10 A5 Combine, 5160 Combine, AF9 Combine, AF9 E5 Combine, AF9 A5 Combine, AF11 Combine, AF11 A5 Combine, AF10 Combine, 6160 Combine, 7160 Combine, 8260 AXIAL-FLOW Combine, AXIAL-FLOW 7260 Combine, AXIAL-FLOW 9260 Combine, FARMLIFT 742 Telehandler, 7630 Tractor, 8030 Tractor, T6.145 Tractor, TS6.110 Tractor, T6.175 Tractor, T6.165 Tractor, T6.160 Tractor, T6.155 Tractor, T6.180 Tractor, T6020 Tractor, T6050 Tractor, T6070 Tractor, TS6.120 Tractor, TS6.140 Tractor, TS6.125 Tractor, FR780 A5 Harvester, FR480 K4 Harvester, FR550 K4 Harvester, FR450 I3 Harvester, FR480 A5 Harvester, FR480 E5 Harvester, FR650 E5 Harvester, FR650 E2 Harvester, FR650 A5 Harvester, FR550 E5 Harvester, FR550 A5 Harvester, FR500 I3 Harvester, FR920 E5 Harvester, FR920 A5 Harvester, FR780 E5 Harvester, FR780 E2 Harvester, ROLL-BELT 450 Baler, ROLL-BELT 560 Baler, UTLTESTMDL Baler, BIGBALER 1290P HD Baler, BIGBALER1290RC HD Baler, BIGBALER 340RC HD Baler, BIGBALER 340P HD Baler, CX8.90 TRA5 Combine, CX8.80 A 5 Combine, CX8.70 E 5 Combine, CX7.90 TR E5 Combine, CX7.90 E 5 Combine, CX7.80 E 5 Combine, CX8.90 A 5 Combine, CX8.80 I 3 Combine, CX7.80 E5 Combine, CX8.80 A5 Combine, CX8.70 E5 Combine, CX7.90 TRE5 Combine, CX7.90 E5 Combine, CX8.80 E5 Combine, CX8.90 E5 Combine, CX8.90 A5 Combine, CX8.80 TR3 Combine, CX8.80 TRE5 Combine, CX8.80 TRA5 Combine, CX8.80 I3 Combine, CX8.90 TRE5 Combine, CR11 Combine, CR10.90 A5 OPTICLEAN Combine, CR7.80 A5 AGGR SHAKE Combine, CR7.90 A5 AGGR SHAKE Combine, CR8.90 A5 OPTICLEAN Combine, CR8.90 TRA5 OPTICLEAN Combine, CR8.90 TRA5 AGGR SHAKE Combine, CR9.90 A5 OPTICLEAN Combine, CR9.90 TRA5 OPTICLEAN Combine, CR9.90 TRA5 AGGR SHAKE Combine, CR10.90 E2 Combine, CR7.80 E5 Combine, CR7.80 E2 Combine, CR10.90 TRE5 Combine, CR10.90 TRE2 Combine, CR10.90 TRA5 OPTICLEAN Combine, CR8.90 A5 AGGR SHAKE Combine, CR8.80 TRE5 Combine, CR8.80 E5 Combine, CR7.90 TRE5 Combine, CR7.90 TRE2 Combine, CR7.90 E5 Combine, CR7.90 E2 Combine, CR8.90 L0 Combine, CR8.90 L0 12 5 Combine, CR8.90 LTR0 Combine. If your model is not listed, call us with your machine's serial number and we can confirm.

Frequently asked questions

What part does this replace?

This aftermarket part cross references OEM part number 128359.

Is this a genuine OEM part?

No, this is a quality aftermarket replacement built to match the OEM part, backed by a 12 month warranty. We also stock the genuine Case Construction version if you prefer OEM.

Will this fit my machine?

Call the parts desk at 740-432-6303 with your model and serial number and we will confirm fit before you order.

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 is available at any of our 17 branches across Ohio, Indiana, Michigan, and Kentucky.

What if it does not fit?

Returns are simple. 30 days, full refund, no restocking fees.

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.