Piston Cup Holder for FMC Bean L0918
The Piston Cup Holder for FMC Bean L0918 is a fluid-end piston component that carries and locates the piston cup seal against the cylinder liner bore as the piston reciprocates. It fits FMC Bean models BEAN 420, L0918 and L0918BCD. This is an aftermarket replacement cross-referenced to part number 8495, measuring about 2.50 in wide by 2.50 in high by 2.00 in deep.
What it is
A piston cup is the flexible sealing element fitted to the piston in the fluid end. It maintains the seal against the cylinder liner bore as the piston reciprocates, so wear here directly affects volumetric efficiency.
Pump compatibility
- BEAN 420
- L0918
- L0918BCD
Specifications
| Property | Value |
|---|---|
| Weight | 0.64 lb (≈ 0.29 kg, converted) |
| Width | 2.50 in / 6.4 cm |
| Height | 2.50 in / 6.4 cm |
| Depth | 2.00 in / 5.1 cm |
Manufacturer technical notes
Piston Cup Holder for FMC Bean L0918 (SKU 8495), forged from API 7K certified 42CrMo alloy steel, quenched+tempered (HRC58-62), tensile strength ≥1080MPa. Compatible with Buckhorn mud pumps, pressure resistance ≥1500psi, salt spray 500h no rust, matches ceramic liners.
Verbatim from the Dongli product page on dlhddrilling.com.
Replacement / interchange
Aftermarket replacement cross-referencing 8495.
FAQ
- Which pumps does this cup holder fit?
- It fits FMC Bean models BEAN 420, L0918 and L0918BCD.
- What is the cross-reference part number?
- This is an aftermarket replacement cross-referenced to part number 8495. The part number is used for identification and comparison only and does not imply OEM manufacture.
- What is the function of a piston cup component?
- The piston cup is the flexible sealing element on the piston in the fluid end. It maintains the seal against the cylinder liner bore during reciprocation, so wear here affects volumetric efficiency.
Related parts
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.
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