National JWS-400 (Taper)

National JWS-400 (Taper)

Item Code: 8826
General Petroleum Oil Tools manufactures a complete line of fluid end expendables for the pumps used on most well servicing and drilling rigs throughout the world. These North American made parts meet or exceed OEM quality in every way and are available for quick delivery.

Fluid End Parts

DescriptionWestern Part #OEM Part #
Valve Body Assembly (Suction)05-NF-3-V31561565
Valve Body Assembly (Discharge)05-15616051561605
Valve Body Only05-15615601561560
Valve Disc Retainer05-15615661561566
Valve Insert, Urethane05-NF-3-I1561567
Spring, Suction Valve05-19000-5G-1560698
Spring, Discharge Valve05-17172961717296
Seat, Suction Valve05-NF-3-S111561561
Seat, Discharge Valve05-G-1561569G-1561569
Valve Cap Gasket05-17151461715146
Stuffing Box Gasket For 4" Plunger05-2410031-3472410031-347
Stuffing Box Gasket For 4-1/2" Plunger05-2410031-4262410031-426
Plunger Packing, 4" Non-Adjustable05-64232246423223
Plunger Packing, 4-1/2" Non-Adjustable05-64223356422335


Power End Parts

DescriptionWestern Part #OEM Part #
Crosshead Extension Rod05-17142961714296
Wiper, Intermediate Rod05-17142971714297
Piston Rod05-GX173276GX173276
Rod Nut05-0054020525402052
Piston Rod Clamp05-17150371715037

More parts available upon request.
General Petroleum Oil ToolsGeneral Petroleum Oil ToolsGeneral Petroleum Oil Tools