Which pumps does this oil seal fit?

It fits the FMC Bean L11, L1114SC, L1118SC, L1122D, L16, L1614SC, L1618SC, L1622HV, W11 and W1122BCD models.

What does a pony rod oil seal do?

It retains lubricating oil in the power end and excludes contaminants where the pony rod passes through the housing.

Pony Rod Oil Seal for FMC Bean L11/W11/L16 Series

Pony Rod Oil Seal for FMC Bean L11/W11/L16 Series — Oil Seal aftermarket replacement part

This is a pony rod oil seal for FMC Bean L11/W11/L16-series pumps. It seals where the pony rod passes through the housing, retaining lubricating oil in the power end and keeping contaminants out. This is an aftermarket replacement part offered as a reference equivalent to FMC Bean part number 1177489, not an original FMC Bean component.

What it is

An oil seal retains lubricating oil in the power end and excludes contaminants where a shaft or rod passes through the housing.

Pump compatibility

L11
L1114SC
L1118SC
L1122D
L16
L1614SC
L1618SC
L1622HV
W11
W1122BCD

Specifications

Property	Value
Weight	0.03 lb (≈ 0.01 kg, converted)
Width	4.5 cm
Height	4.5 cm
Depth	0.9 cm

Manufacturer technical notes

Pony Rod Oil Seal for FMC Bean L11/W11/L16 (1177489), patented single-piece Resilon® polyurethane with dual-function sealing lips replacing traditional dual-seal design, temperature-resistant to 230°F (275°F excursion), API 6A certified, 40% enhanced oil leakage prevention, 50% abrasion resistance improvement for high-pressure mud pump power ends.

Verbatim from the Dongli product page on dlhddrilling.com.

Replacement / interchange

Aftermarket replacement cross-referencing FMC Bean 1177489.

FAQ

Which pumps does this oil seal fit?: It fits the FMC Bean L11, L1114SC, L1118SC, L1122D, L16, L1614SC, L1618SC, L1622HV, W11 and W1122BCD models.
What does a pony rod oil seal do?: It retains lubricating oil in the power end and excludes contaminants where the pony rod passes through the housing.
Is this an original FMC Bean part?: No. It is an aftermarket replacement supplied as a reference equivalent to FMC Bean part number 1177489; the brand and part number are for identification only.

Related parts

See all Oil Seal →

All brand names, model numbers and part numbers are used for identification and cross-reference only and do not imply original-equipment manufacture. This is an aftermarket replacement part.

Need a quote or part lookup? Contact our team.