OEM Back-Up Ring · Case Construction
S99877$6.05
In stock
Case Construction
OEM
Part No. 87741971
Service Kit
78 verified fitments
Select your machine to check fit
Ships nationwideUPS, USPS & freight
30-day returnsNew, unused parts
OEM guaranteedDirect from manufacturer
| Machine | Model | Years / S/N |
|---|---|---|
| Harvester | FR920 A5 | — |
| Harvester | FR550 A5 | — |
| Harvester | FR500 I3 | — |
| Harvester | FR480 E5 | — |
| Harvester | FR480 A5 | — |
| Harvester | FR450 I3 | — |
| Harvester | FR550 K4 | — |
| Harvester | FR480 K4 | — |
| Harvester | FR780 E5 | — |
| Harvester | FR780 E2 | — |
OEM Service Kit Cylinder Block #87741971 - OEM Hydraulic Component Replacement for Case Construction Equipment This OEM component is used in field and shop repairs involving hydraulic service work tied to drift, reduced force, or unstable function, with internal leakage, pressure drop, hydraulic drift, and weak system response serving as a common service trigger. Frequently purchased for hydraulic drift repair, oil bypass service, and heavy equipment hydraulic component replacement repairs on construction machinery.
More Details
Part Number: 87741971
Application: Common service application: Hydraulic system replacement component used to repair pressure loss, drift, slow response, internal leakage, or failed actuation.
Key Features:
- Designed to replace failed pumps, valves, cylinders, or hydraulic assemblies
- Supports repair of drift, slow movement, and reduced hydraulic performance caused by wear
- OEM-style fit for efficient installation during hydraulic service
Fits Case Models: Compatible with various Case construction equipment models - verify fitment before ordering
Replaces: Refer to manufacturer cross-reference if applicable
WARNING:For California residents — Cancer and Reproductive Harm. www.P65Warnings.ca.gov
- Manufacturer part number
- 87741971
- Brand
- Case Construction
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 6.61 lb
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.
All 78 fitments
| Machine | Model | Years / S/N |
|---|---|---|
| Harvester | FR920 A5 | — |
| Harvester | FR550 A5 | — |
| Harvester | FR500 I3 | — |
| Harvester | FR480 E5 | — |
| Harvester | FR480 A5 | — |
| Harvester | FR450 I3 | — |
| Harvester | FR550 K4 | — |
| Harvester | FR480 K4 | — |
| Harvester | FR780 E5 | — |
| Harvester | FR780 E2 | — |
| Harvester | FR780 A5 | — |
| Harvester | FR650 E5 | — |
| Harvester | FR650 E2 | — |
| Harvester | FR650 A5 | — |
| Harvester | FR550 E5 | — |
| Harvester | FR920 E5 | — |
| Backhoe | 575N EP | — |
| Backhoe | 580SV | 2021, 2022 |
| Backhoe | 695SV | 2025 |
| Backhoe | 580SV | 2024 |
| Backhoe | 695SV | 2022 |
| Backhoe | B95D | 2025 |
| Backhoe | B110D | 2021, 2025 |
| Backhoe | B75D | — |
| Backhoe | B95D | 2021 |
| Harvester | FR650 E2. | — |
| Harvester | FR650 A5. | — |
| Harvester | FR550 A5. | — |
| Harvester | FR780 A5. | — |
| Harvester | FR920 A5. | — |
| Backhoe | 770EX PLUS | — |
| Backhoe | B95C | 2019 |
| Harvester | FR480 A5. | — |
| Backhoe | B95CTC | 2019 |
| Backhoe | 695ST | 2019 |
| Backhoe | B90B | 2019 |
| Backhoe | B95B | 2019 |
| Backhoe | B110B | 2019 |
| Backhoe | B110C | 2019 |
| Backhoe | 580ST | 2019 |
| Backhoe | 590SM+ | — |
| Backhoe | 590SM | — |
| Backhoe | B115BTC | 2019 |
| Backhoe | B110B | — |
| Backhoe | B95B | — |
| Backhoe | B95BTC | 2019 |
| Harvester | FR650 A4 | — |
| Harvester | FR480 A4 | — |
| Harvester | FR550 A4 | — |
| Harvester | FR920 A4B | — |
| Harvester | FR780 A4 | — |
| Backhoe | B110C | — |
| Backhoe | B90B | — |
| Backhoe | B95C | — |
| Backhoe | B95CTC | — |
| Harvester | FR850 A2 | — |
| Backhoe | B95BTC | — |
| Backhoe | B115BTC | — |
| Backhoe | B95CLR | — |
| Harvester | FR700 A3 | — |
| Harvester | FR450 A4 | — |
| Harvester | FR600 A3 | — |
| Harvester | FR500 A4 | — |
| Backhoe | B115B | — |
| Harvester | FR500 A3 | — |
| Harvester | FR450 A3 | — |
| Harvester | FR9040 | — |
| Harvester | FR9050 | — |
| Harvester | FR9060 | — |
| Harvester | FR9090 | — |
| Backhoe | B95BLR | — |
| Harvester | FR9080 | — |
| Backhoe | B100BTC | — |
| Backhoe | B110BTC | — |
| Backhoe | B100BLR | — |
| Backhoe | 580SM+ | — |
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