145-200300-999 Seal Oil
Part 145-200300-999 is an oil seal that retains lubricating oil in the power end and keeps contaminants out where a shaft or rod passes through the housing. It fits the Aplex SC-170L pump and is supplied as an aftermarket replacement for Aplex SKU 145-200300-999, matching the original part's form and fit. The seal weighs about 0.19 lb.
What it is
This is a replacement part for the listed reciprocating pump models, supplied to match the original component's form and fit.
Pump compatibility
Specifications
| Property | Value |
|---|---|
| Weight | 0.19 lb (≈ 0.09 kg, converted) |
| Width | 3.30 in / 8.4 cm |
| Height | 3.30 in / 8.4 cm |
| Depth | 2.5 cm |
Manufacturer technical notes
145-200300-999 Seal Oil, formulated with hydrogenated nitrile rubber (HNBR) + polytetrafluoroethylene (PTFE) composite, vulcanized and precision-molded. Pressure resistance ≥70MPa, temperature range -40℃~150℃, API 7K compliant. Corrosion-resistant, low-friction seal for mud pump systems
Verbatim from the Dongli product page on dlhddrilling.com.
Replacement / interchange
Aftermarket replacement cross-referencing Aplex 145-200300-999.
FAQ
- Which pump does this oil seal fit?
- It fits the Aplex SC-170L pump.
- What is the oil seal's job?
- It keeps the power end's lubricating oil contained and blocks contaminants at the point where a shaft or rod exits the housing.
- Is this an original Aplex part?
- No. It is an aftermarket replacement supplied to match Aplex SKU 145-200300-999; the brand and number are referenced for identification only and do not indicate OEM manufacture.
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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