Piston
Piston Retainer Cap Screw for FMC Bean A04/I04/R10/R2020
- Catalogue reference number
- 1284516
- Catalogue brand
- FMC Bean
Catalogue fields identify reference material. They do not confirm stock, OEM authorization or interchange. Verify the nameplate, original number and edition.

Catalogue model references
These are retained catalogue associations, not confirmed fitment for your equipment. Choose the model you want to review.
- A04Find this model in manuals
- A0410Find this model in manuals
- A0413Find this model in manuals
- E0410Find this model in manuals
- E0411Find this model in manuals
- E0413Find this model in manuals
- I04Find this model in manuals
- L0413Find this model in manuals
- R10Find this model in manuals
- R2020Find this model in manuals
Catalogue specification records
| Original field | Recorded value |
|---|---|
| Weight | 0.04 lb (≈ 0.02 kg, converted) |
| Width | 1.3 cm |
| Height | 1.3 cm |
| Depth | 5.1 cm |
Catalogue description records
This Piston Retainer Cap Screw is the threaded fastener that secures the piston retainer in the fluid end of FMC Bean reciprocating pumps, holding the retainer and piston assembly in their installed position. It fits a broad range of FMC Bean models, including the A04, A0410, A0413, E0410, E0411, E0413, I04, L0413, R10 and R2020 pumps, and weighs about 0.04 lb. This is an aftermarket replacement part offered as a substitute for FMC Bean SKU 1284516; the brand and part number are listed for identification and cross-reference only and do not indicate OEM manufacture.
A pump piston transmits force from the power end to the pumped fluid inside the cylinder liner. It carries the sealing element and reciprocates within the liner bore on every stroke.
Catalogue question records
Original catalogue questions are retained. Fitment and availability need technical review.
- Which pumps does this cap screw fit?
- It fits FMC Bean A04, A0410, A0413, E0410, E0411, E0413, I04, L0413, R10 and R2020 pumps.
- What does this cap screw do?
- It secures the piston retainer in the fluid end, holding the retainer and piston assembly in their installed position.
- Which part number does this replace?
- It is an aftermarket replacement for FMC Bean SKU 1284516. The brand and number are used for cross-reference only.
Check the original reference
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