CYLINDER COVER C40-20 SST

This is the cylinder cover for Myers C40 and C40-20 pumps. It closes the outer end of the fluid-end cylinder, holding pressure while allowing access to the liner and piston for service. It weighs about 0.99 lb and measures roughly 6.9 cm across and 2.1 cm deep. As an aftermarket replacement part, it can be used in place of Myers 18457A008; the brand and part number are listed for identification only and do not imply original-manufacturer production.
What it is
A cylinder cover closes the outer end of the fluid-end cylinder, retaining pressure and providing access for liner and piston service.
Pump compatibility
- C40
- C40-20
Specifications
| Property | Value |
|---|---|
| Weight | 0.99 lb (≈ 0.45 kg, converted) |
| Width | 6.9 cm |
| Height | 6.9 cm |
| Depth | 2.1 cm |
Manufacturer technical notes
Cylinder Cover (C40-20 SST, SKU:18457A008) Forged from ASTM A276 316 stainless steel with solution annealing (1050°C water quench), tensile strength ≥550MPa. 60% enhanced chloride corrosion resistance vs. 304 stainless steel. API 7K compliant for mud pump fluid ends, salt spray test ≥2000h, surface roughness Ra≤0.8μm.
Verbatim from the Dongli product page on dlhddrilling.com.
Replacement / interchange
Aftermarket replacement cross-referencing Myers 18457A008.
FAQ
- Which pumps does this cylinder cover fit?
- It fits Myers C40 and C40-20 pumps.
- What does a cylinder cover do?
- It closes the outer end of the fluid-end cylinder, retaining pressure and providing access for liner and piston service.
- What part number can it replace?
- It is an aftermarket replacement for Myers 18457A008. The part number is listed for cross-reference only.
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.
Need a quote or part lookup? Contact our team.