Oil Seal
Pony Rod Oil Seal Holder for FMC BEAN I04 Series
- Catalogue reference number
- 5251630
- 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 | 0.10 lb (≈ 0.05 kg, converted) |
| Width | 1.60 in / 4.1 cm |
| Height | 1.60 in / 4.1 cm |
| Depth | 1.25 in / 3.2 cm |
Catalogue description records
This pony rod oil seal holder is a replacement part for FMC Bean I04 series plunger pumps. It seats the oil seal at the point where the pony rod passes through the housing that separates the power end from the fluid end, retaining lubricating oil in the power end and helping exclude contaminants. It is an aftermarket replacement part for FMC Bean part number 5251630, supplied to fit the I04 and L0413 models. It measures about 1.60 in across and 1.25 in deep and weighs about 0.10 lb.
An oil seal retains lubricating oil in the power end and excludes contaminants where a shaft or rod passes through the housing.
Catalogue question records
Original catalogue questions are retained. Fitment and availability need technical review.
- Which pumps does this oil seal holder fit?
- It is configured to fit FMC Bean I04 series pumps, specifically the I04 and L0413 models.
- What does this part do?
- It holds the oil seal where the pony rod passes through the housing between the power end and the fluid end, so the seal can retain lubricating oil in the power end and keep contaminants out.
- What is the cross-reference part number?
- This is an aftermarket replacement part that cross-references to FMC Bean part number 5251630. The brand and number are listed for identification only and do not indicate OEM manufacture.
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