Piston
PISTON RETAINER FOR FMC BEAN A0413/E0413/R10/R2020 SERIES
- Catalogue reference number
- 5257986
- 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.
Catalogue specification records
| Original field | Recorded value |
|---|---|
| Weight | 0.09 lb (≈ 0.04 kg, converted) |
| Width | 1.50 in / 3.8 cm |
| Height | 1.50 in / 3.8 cm |
| Depth | 0.50 in / 1.3 cm |
Catalogue description records
This Piston Retainer is a fluid-end part for FMC Bean A0413/E0413/R10/R2020 series reciprocating pumps. It holds the piston assembly in its installed position on the rod, keeping the piston seated as it reciprocates inside the cylinder liner. It fits the FMC Bean A0413, E0413, L0413, R10 and R2020 pumps and weighs about 0.09 lb. This is an aftermarket replacement part offered as a substitute for FMC Bean SKU 5257986; 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 piston retainer fit?
- It fits the FMC Bean A0413, E0413, L0413, R10 and R2020 reciprocating pumps.
- What does a piston retainer do?
- It holds the piston assembly in its installed position on the rod within the fluid end, keeping the piston seated as it reciprocates inside the cylinder liner.
- Which part number does this replace?
- It is an aftermarket replacement for FMC Bean SKU 5257986. The brand and number are used for cross-reference only.
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