Item Drawing code (PN) Name/ Description Qty.
1 GH3161-03.11 Oil seal, 9.125″×10.375″×0.625″ 2
2 GH3161-04.06 Oil seal 3
3 GH3161-04.07 Double-lip oil seal, 5″×6.25″×0.625″ 6
4 GH3161-04.12 Crosshead extension rod 3
5 GH3161-05.04.00 valve guide retainer 3
6 GH3161-05.08 Seal for cylinder head 6
7 GH3161-05.10 Valve spring 6
8 GH3161-05.11.00 Valve assembly, API 7# 24
9 GH3161-05.11.03 Valve rubber 24
10 GH3161-05.12 Seal for valve pot cover 6
11 GH3161-05.14 liner seal 12
12 GH3161-05.15 Wear plate 3
13 GH3161-05.18 piston rod 3
14 GH3161-05.21 Bimetallic liner, 5 1/2″ 3
15 GH3161-05.21 Bimetallic liner, 6″ 3
16 GH3161-05.21 Bimetallic liner, 6 1/4″ 3
17 GH3161-05.21 Bimetallic liner, 6 1/2″ 3
18 GH3161-05.21 Bimetallic liner, 6 3/4″ 3
19 GH3161-05.21A Conventional liner, 7″ 3
20 GH3161-05.24.01.00 Piston, 5 1/2″ 3
21 GH3161-05.24.01.02.00 Rubber 6
22 GH3161-05.24.02.00 Piston, 6″ 3
23 GH3161-05.24.02.02.00 Rubber 6
24 GH3161-05.24.03.00 Piston, 6 1/4″ 3
25 GH3161-05.24.03.02.00 Rubber 6
26 GH3161-05.24.04.00 Piston, 6 1/2″ 3
27 GH3161-05.24.04.02.00 Rubber 6
28 GH3161-05.24.05.00 Piston, 6 3/4″ 3
29 GH3161-05.24.05.02.00 Rubber 3
30 GH3161-05.24.06.00 Piston, 7″ 3
31 GH3161-05.24.06.02.00 Rubber 3
32 GH3161-05.31 Piston seal 6
33 GH3161-05.32.00 Piston nut 3
34 GH3161-05.33.01 Rubber diaphragm(suction desurger) 1
35 GH3161-27.03.00 Air bladder (discharge dampener) 1
36 GH3161-28.03.00 Piston assembly (relief valve) 5
37 GH3161-28.06 Cushion( relief valve) 5
38 GH3161-28.11 Shear pin 10
39 GB/T3452.1-2005 O-ring, 190×3.55-G-S 6
40 GB/T3452.1-2005 O-ring, 95×5.3-G-S 6
41 GB/T3452.1-2005 O-ring, 125×7-G-S 6
42 GB/T3452.1-2005 O-ring, 160×7-G-S 6
43 GB/T3452.1-2005 O-ring, 165×7-G-S 2
44 GB/T3452.1-2005 O-ring, 190×7-G-S 6
45 GB/T3452.1-2005 O-ring, 200×7-G-S 6
46 GB/T3452.1-2005 O-ring, 345×7-G-S 4

    Premium Rig Parts is a leading manufacturer and supplier of mud pump parts, drilling rig expendables to the oil drilling industry. Our specialties include, but are not limited to, expendables for mud pump systems including Emsco, Brewster, National Oilwell, Ideco, Gardner Denver, Weatherford, Drillmec, Bomco, Honghua, RG, Rongsheng, TSC, LS NOV, POT, Bentec, Wirth, Southwest, Ewco, Lewco, Baker Forum, Mud King, OPI, Texma, Haihua Group and more. We also have extensive knowledge of older and obsolete mud pumps and their parts. Our reach extends to customers around the world.

From China to AMERICA, from South America to Middle East, our clients around the world rely on us for the daily mud pump operations.

Premium has a long tradition of industry leadership and innovation. We continue to expand our product line and services to meet emerging customer needs. Our broad range of capabilities includes creating new, more efficient parts to ensure our customers achieve the highest performance in the most demanding mud pump operations.

Our Product Lines
The extensive product lines of mud pump expendables we manufacture and supply include liners, modules and accessories, 7,500 PSI conversion kit, pistons and hubs, valves and seats, rods and clamps, gaskets and seals, crossheads, crosshead slides and crosshead pins, manifolds, pulsation dampeners and much more. All our products are fully exchangeable with OEM parts.

Our Technologies
Latest technologies and equipment are implemented to ensure the consistency of quality and efficiency of productions. Our testing labs are well equipped to conduct various Nondestructive Testing (NDT).

Our Qualities
The mud pump expendables and mud pump parts we manufacture and supply meet or exceed OEM specifications and API standards. Our manufacturing facility is ISO9001 registered and API-7K certified.

Our Values

Having the right parts in the right place, at the right time is critical to your success. We can and we are trying to do that.

At PREMIUM, we care about all the products and services we supply!

At PREMIUM, we don’t just build parts, we build long term relationships. Our relentless focus on quality, competitive pricing and customer service has won the trust of our customers.