The NOV K-500-A is a mud pump in the NOV (National Oilwell Varco) portfolio, used in drilling fluid circulation systems to keep the wellbore clean, cool the drill bit and help balance formation pressure. We support this model with fluid-end replacement parts such as liners, pistons, valves, valve seats, valve springs and packing, made to fit the original pump geometry. Factory pressure, flow and power ratings for this model are not published in our data; ratings available on request.
FAQ
Are fluid-end parts for the NOV K-500-A currently available?
Our current listing shows no stocked line items for this model, so please contact us for current availability. We can confirm lead times for liners, pistons, valves, seats and packing on request.
What are the pressure and flow ratings of the NOV K-500-A?
No factory ratings for this model are published in our data; pressure, flow and power ratings available on request. Share your liner size and operating conditions and we will help match the correct fluid-end components.
Which fluid-end parts can you supply for the NOV K-500-A?
Typical wear parts include Liner （缸套）, Piston （活塞）, Valve （阀）, Valve seat （阀座）, Valve spring （阀簧） and Packing （盘根）, with Fluid end module （液力端模块） and Fluid end repair kit （液力端维修包） options for larger overhauls.
Do you ship NOV K-500-A parts to Canada, the US and international sites?
Yes. Mud pump parts ship under HS code 84139100 to drilling contractors and supply houses across Canada, the United States and international oil & gas markets.
How do I make sure the parts will fit my NOV K-500-A pump?
Provide the pump model name K-500-A, the fluid-end serial number if available, and the liner size you run. We cross-check dimensions against the pump geometry before confirming supply.