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China MTPM 7K Mud Pump Piston Rod - Reliable High-Pressure Replacement from Leading Suppliers and Factory
Product Specifications
| Application | Drilling mud pump fluid end |
| Working Pressures | 5000 PSI (35 MPa) | 7500 PSI (51.7 MPa) |
| Temperature Rating | -29°C to 120°C |
| Material | 42CrMo (equivalent to AISI 4140) |
| Service Life | 150 hours ~ 350 hours or more, depending on the insert materials and drilling conditions |
| Standard | Conforms to API 7K standards API 7K |
| Applicable Fluids / Design Life | Designed to operate for approximately 12,000 ~ 18,000 hours, equivalent to 2 ~ 3 years under typical drilling conditions, and aligned with the replacement cycle of the piston assembly. |
| Third Party Inspection | Bureau Veritas (BV), CCS, ABS, SJS etc. |
Product Features
- 🏭 As a direct source manufacturer in China, MTPM delivers piston rods produced strictly under API 7K certification. Every step of the production process — from raw material selection to machining, heat treatment, and final inspection — is carried out in accordance with original factory standards.
- 🔩 We guarantee dimensional interchangeability and mechanical performance equivalent to OEM components.
- ✅ Our proven track record as a qualified supplier to BOMCO, LS, and Honghua further validates the reliability of our products in demanding drilling environments. We provide manufacturing coverage for nearly all main mud pump models, both domestic and international, enabling clients to consolidate sourcing through a trusted partner.
- 🌍 With competitive lead times and controlled quality assurance, our piston rods offer a dependable solution for global drilling contractors, equipment suppliers, and spare parts distributors.
Our piston rods are engineered for use across a full range of mud pump models applied in oil and gas drilling operations worldwide. They are fully interchangeable with OEM parts, allowing seamless integration into pumps from BOMCO, LS, Honghua, and other Chinese leading manufacturers. By meeting API 7K requirements, our products ensure compatibility with both domestic and international drilling equipment, supporting operators in onshore and offshore environments. Whether used in high-pressure triplex pumps or large-capacity pumps, the rods maintain dependable service life, contributing to stable mud circulation and extended pump operation cycles.
OEM Equivalent / Compatible Product Part Numbers
Our valve body is manufactured in full accordance with original drawings and are directly interchangeable with the following part numbers:
| OEM Brand | Pump Models | Compatible Part Numbers (Metric size) |
Compatible Part Numbers (Imperial size) |
| BOMCO | F350 | — | AH44002-05.03 |
| F500 | AH35001-05.18A AH0501010512 |
AH35003-05.06 AH0501020504 |
|
| F800 | AH34001-05.02A AH0801010502 |
AH33001-05.21 AH1001020502 |
|
| F1000 | AH33001-05.21A AH1001010516 |
AH33001-05.21 AH1001020502 |
|
| F1300 / F1600 | AH36001-05.19A AH1301010516 |
AH36002-05.05 AH1301020504 |
|
| F1600L / F1600HL | AH130101-0516 | — | |
| F2200HL | AH2202010507 | — | |
| RONGSHENG | F1000 | RS1036-05-017 | — |
| EMSCO | FB1300 / FB1600 | — | 6316-0094-00 |
| HONGHUA | F1300 / F1600 | GH3161-05.18 | — |
| LS | 3NB1300C / 1600C | 107.11.110.39 | — |
| LSNOV | 10P130 | — | 1290347 |
| 12P160 | — | 1292147 |
📞 Contact us for more details about piston rods for HONGHUA, RG, RONGSHENG, EMSCO, LSNOV and other brands.
All product names, trademarks, and part numbers are used for identification purposes only and are the property of their respective owners. We are an authorized and recognized supplier. If you are looking for specific piston rod part numbers, please contact our sales team for detailed references or technical support.
Frequently Asked Questions (FAQ)
❓ What certifications do your mud pump piston rods comply with?
Our piston rods are manufactured strictly in accordance with API 7K standards. Third-party inspection and witness reports are available from recognized bodies including Bureau Veritas (BV), CCS, ABS, and SJS, ensuring compliance for global drilling operations.
❓ What is the expected service life of your piston rods?
Under typical drilling conditions, our piston rods provide a service life of 150 to 350 hours or more, depending on insert materials and specific drilling conditions. The overall rod body is designed for approximately 12,000 ~ 18,000 hours of operation (2 ~ 3 years), aligned with the piston assembly replacement cycle.
❓ Are your piston rods interchangeable with OEM parts from BOMCO, Honghua, and LS?
Yes. Our piston rods are manufactured to original drawings and are fully dimensionally interchangeable with OEM components from BOMCO, Honghua, LS, RONGSHENG, EMSCO, LSNOV, and other major brands. They can be directly installed without modification to the pump fluid end.
❓ What material is used in the manufacture of your piston rods?
Our piston rods are made from 42CrMo alloy steel, which is equivalent to AISI 4140. This material provides excellent strength, toughness, and wear resistance, making it well-suited for high-pressure drilling environments ranging from -29°C to 120°C.
❓ Which mud pump models are your piston rods compatible with?
We provide piston rods compatible with a wide range of mud pump models, including BOMCO F350, F500, F800, F1000, F1300, F1600, F1600L, F1600HL, F2200HL; LS 3NB1300C/1600C; LSNOV 10P130, 12P160; HONGHUA F1300/F1600; EMSCO FB1300/FB1600; RONGSHENG F1000; and many more. Please contact our sales team for a full compatibility list.
❓ Can you supply piston rods for both metric and imperial size requirements?
Yes. We manufacture piston rods in both metric and imperial sizes to meet the requirements of various pump models and regional standards. Refer to our OEM compatible part number table above, or contact our technical team with your specific pump model and size requirements for a precise match.




