OEM Back-Up Ring · Case Construction
S99877$6.05
In stock
Case Construction
OEM
Part No. 285931A1
Piston
35 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 |
|---|---|---|
| Dozer | 1650M LGP PAT | — |
| Dozer | 1650L | — |
| Dozer | 1150M WT | — |
| Dozer | 1150M LT | — |
| Dozer | 1150L | — |
| Dozer | 1650M XLT PAT | — |
| Dozer | D140B | — |
| Dozer | D150B | — |
| Skid Steer | L334 | — |
| Dozer | 850M WT | — |
OEM Piston 12V Replaces 420633A1 #285931A1 - OEM Service Replacement for Case Construction Equipment Repair This part supports service replacement of worn OEM components in repair situations involving maintenance replacement work involving component wear or service-related damage and wear-related failure, damage, poor fit, and service-related component issues. Frequently purchased for OEM replacement part, heavy equipment repair, Case construction service, and direct-fit maintenance replacement repairs on construction machinery.
More Details
Part Number: 285931A1
Application: Typical repair use: OEM replacement component used in heavy equipment repair when the original part is worn, damaged, missing, or no longer serviceable.
Key Features:
- Built to replace worn or damaged OEM components during service work
- Supports maintenance repairs aimed at returning equipment to working condition
- OEM-style fit for straightforward replacement and service installation
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
- 285931A1
- Brand
- Case Construction
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 0.02 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 35 fitments
| Machine | Model | Years / S/N |
|---|---|---|
| Dozer | 1650M LGP PAT | — |
| Dozer | 1650L | — |
| Dozer | 1150M WT | — |
| Dozer | 1150M LT | — |
| Dozer | 1150L | — |
| Dozer | 1650M XLT PAT | — |
| Dozer | D140B | — |
| Dozer | D150B | — |
| Skid Steer | L334 | — |
| Dozer | 850M WT | — |
| Dozer | 850M LT | — |
| Dozer | 750M WT | — |
| Dozer | 750M LT | — |
| Skid Steer | SV340B | — |
| Loader | W80BTC | — |
| Loader | 321E SERIES 3 | — |
| Loader | 121E SERIES 3 | — |
| Loader | 21E SERIES 3 | — |
| Loader | 221E SERIES 3 | — |
| Loader | W70BTC | — |
| Loader | W50BTC | — |
| Loader | W60BTC | — |
| Loader | W50TC | — |
| Loader | W80TC | — |
| Loader | 121E | — |
| Loader | 221E | — |
| Loader | 321E | — |
| Loader | 21E | — |
| Loader | 221D | — |
| Loader | 21D | — |
| Loader | 321D | — |
| Loader | LW80.B | — |
| Loader | LW50.B | — |
| Loader | LW50 | — |
| Loader | LW80 | — |
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