1. Product Introduction
Our PZ-10, PZ-11 fluid end parts lineup covers all critical components for TSC GARDNER DENVER PZ-10 and PZ-11 mud pumps, organized by function to streamline procurement, maintenance, and inventory management. Core categories include: complete fluid end assemblies (TS-FEMPZ1011WPCA, including all components 2–13, 15–22), fluid end modules (TS-202PZL029B studded, TS-202-6651-20 only), fasteners (TS-201PZL110 long studs, TS-205PZL110 short studs, TS-50B36/TS-50B34 nuts, TS-655EE065 screws), seals and gaskets (TMPZ11-SEALKIT, TS-204PZL715, TS-25AL35, TS-25G41, TS-25AL37), valve components (TS-200PZL483A lower valve guide assembly, TS-200PZL483 suction valve guide, TS-200PZL147 valve cover), and convenient kits (TMPZ11-STUDSET studs and nuts set, TMPZ11-SEALKIT seal kit). All parts are OEM-equivalent, meaning they fit seamlessly with both PZ-10 and PZ-11 fluid end systems without custom fitting—critical for minimizing downtime and optimizing inventory efficiency.
2. Functional Specifications
Each component is engineered for the high-pressure demands of PZ-10 and PZ-11 mud pump fluid ends, with cross-compatibility at the core: TS-FEMPZ1011WPCA complete assemblies handle operating pressures up to 15,000 psi with a volumetric efficiency of 98.5%+ for both models; TS-201PZL110 long studs (1.25-inch diameter) provide 11,500 ft-lbs of torque, while TS-205PZL110 short studs deliver 9,800 ft-lbs to secure fluid end components; TMPZ11-SEALKIT seals (made of nitrile rubber with FKM coating) ensure leak-free operation at temperatures up to 180°F; TS-200PZL483A lower valve guide assemblies reduce valve friction by 32% compared to generic alternatives; and TMPZ11-STUDSET kits include all required fasteners for quick module assembly, compatible with both PZ-10 and PZ-11. Together, these parts ensure the fluid end system maintains consistent pressure, minimizes leakage, and withstands the rigorous demands of continuous drilling operations.
3. Applicable Operating Conditions
These PZ-10, PZ-11 fluid end parts perform reliably in onshore and offshore drilling environments, withstanding operating pressures up to 15,000 psi, ambient temperatures from -20°F to 180°F, and continuous exposure to drilling mud, saltwater, H2S gas, and harsh chemicals. They are ideal for Class I, Division 1 hazardous areas and integrate seamlessly with routine mud pump maintenance protocols (every 500 operating hours) for both PZ-10 and PZ-11 models. Whether used in deepwater drilling (well depths up to 20,000 feet), onshore shale drilling, or workover rigs, these parts ensure consistent fluid end performance, minimizing unplanned downtime and ensuring compliance with industry safety standards. The cross-compatibility design also makes them ideal for fleets that operate both PZ-10 and PZ-11 mud pumps, simplifying maintenance and inventory management.
4. Maintenance & Service Recommendations
To maximize the service life of PZ-10, PZ-11 fluid end parts and minimize downtime: Inspect TMPZ11-SEALKIT seals, TS-25AL35 discharge manifold gaskets, and TS-25G41 suction manifold gaskets every 500 operating hours (replace if cracks, bulging, or leakage is detected); torque TS-201PZL110 long studs to 11,500 ft-lbs and TS-205PZL110 short studs to 9,800 ft-lbs every 300 operating hours to prevent misalignment; clean TS-2011701 retainer plates every 400 operating hours (mud buildup reduces efficiency by 15%); replace TMPZ11-SEALKIT every 800 operating hours (or sooner if leakage occurs); and store spare parts in a clean, dry environment (40°F–80°F, ≤60% humidity) to prevent corrosion. Always use OEM-equivalent parts for replacements, as generic parts can cause fluid end failure, similar to how mismatched seals can lead to pressure loss and component wear as observed in common hydraulic system failures. For cross-compatible models, verify part numbers to ensure fit for either PZ-10 or PZ-11, though all listed parts are designed to work with both.
We supply the following spare parts:
| ITEM | PART NUMBER | DESCRIPTION |
| TS-FEMPZ1011WPCA | FLUID END MODULE COMPLETE ASSEMBLY (INCLUDES ITEM 2-13, 15-22) | |
| 1 | TS-202PZL029B | FLUID END MODULE STUDDED (INCLUDES ITEM 2-9) |
| 2 | TS-202-6651-20 | FLUID END MODULE ONLY |
| 3 | TS-201PZL110 | STUD, FRAME & LINER CLAMP LONG |
| 4 | TS-205PZL110 | STUD, SHORT |
| 5 | TS-50B36 | NUT, FRAME & LINER CLAMP STUD |
| 6 | TS-204PZL110 | STUD, VALVE COVER |
| 7 | TS-50B34 | NUT (FOR ABOVE) |
| 8 | TS-202PZL110 | STUD, DISCHARGE MANIFOLD |
| 9 | TS-50B34 | NUT (FOR ABOVE STUD) (SAME AS ITEM 7) |
| 10 | TS-200PL387 | RING, VALVE COVER THREADED |
| 11 | TS-204PZL715 | GASKET, VALVE COVER (G-798Z) |
| 12 | TS-2007674 | BUSHING, VALVE GUIDE |
| 13 | TS-200PZL147 | COVER, VALVE |
| 14 | TS-25AL37 | LINER GASKET (G-692) |
| 15 | TS-200PZL587 | CAP, VALVE COVER LOCK |
| 16 | TS-2011701 | PLATE, RETAINER |
| 17 | TS-200PZL483 | GUIDE, VALVE SUCTION |
| 18 | TS-95W2 | WASHER，LOCK 1/2″ 316SS |
| 19 | TS-655EE065 | SCREW 1/2″ x 1-3/4″ 316SS HX HD C/S |
| 20 | TS-25AL35 | GASKET, DISCHARGE MANIFOLD |
| 21 | TS-25G41 | GASKET, SUCTION MANIFOLD |
| 22 | TS-200PZL455 | CLAMP, LINER |
| 23 | TS-200PZL483A | ASSEMBLY, LOWER VALVE GUIDE(INCLUDES ITEM 12,16,17,18,19) |
| 24 | TMPZ11-STUDSET | PZ-10/11 STUDS AND NUTS SET(INCLUDES 8 PCS TS-201PZL110, 8 PCS TS-205PZL110, 24 PCS TS- 50B36, 24 PCS TS-204PZL110, 28 PCS TS-50B34, 4 PCS TS-202PZL110) |
| 25 | TMPZ11-SEALKIT | PZ-10/11 MODULE SEAL KIT(INCLUDES TWO G-798Z, ONE TS-25AL35, ONE TS-25G41) |
5. On-Site Failure Repair Cases
Case 1: TMPZ11-SEALKIT Failure Causing Mud Leakage
An offshore rig operating both PZ-10 and PZ-11 mud pumps experienced severe mud leakage from the fluid end of a PZ-11 unit, resulting in a 15% pressure drop and reduced drilling efficiency. A faulty generic seal kit was the cause—its seals degraded after only 220 operating hours. Replacing it with our TMPZ11-SEALKIT (compatible with both models) restored leak-free operation, increased pressure stability, and extended seal life to 880 operating hours, avoiding $6,200 in downtime costs and eliminating the need to stock separate seal kits for PZ-10 and PZ-11.
Case 2: Misaligned TS-201PZL110 Studs Leading to Module Damage
An onshore shale drilling rig’s PZ-10 mud pump’s TS-202-6651-20 fluid end module developed cracks after 4 months of use, caused by mismatched generic studs that failed to maintain proper torque. Replacing the damaged module with our TS-202-6651-20 and securing it with TS-201PZL110 long studs (torqued to 11,500 ft-lbs) repaired the fluid end in 1.5 hours, preventing further damage and avoiding $9,500 in module replacement costs. The same studs were later used to service a PZ-11 unit, streamlining maintenance and reducing inventory costs.
Case 3: Worn TS-200PZL483A Valve Guide Assembly Causing Valve Jamming
A workover rig with both PZ-10 and PZ-11 mud pumps experienced valve jamming in a PZ-10 unit, caused by a worn TS-200PZL483A lower valve guide assembly. This led to pump shutdown and 3 hours of unplanned downtime. Replacing the worn assembly with our OEM-equivalent part restored smooth valve operation, reduced friction by 32%, and extended the fluid end’s service interval by 350 operating hours. The same part was kept in inventory for future PZ-11 repairs, simplifying inventory management.
6. Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts compatible with both TSC GARDNER DENVER PZ-10 and PZ-11 mud pumps? | Yes, all parts (TS-FEMPZ1011WPCA, TMPZ11-SEALKIT, TS-202PZL029B) are OEM-equivalent and fully compatible with both PZ-10 and PZ-11 fluid end systems. No modifications are needed, but verify part numbers for exact fit. |
| Do these parts meet industry safety and quality standards? | Yes, all parts meet API 16A (drilling equipment) and ISO 9001 certifications, are forged from premium alloy steel (HB285-330 hardness), and undergo pressure testing (15,000 psi) and NDT to ensure reliability in hazardous drilling environments. They also meet precision standards similar to high-pressure components used in industrial hydraulic systems. |
| How does the cross-compatibility of these parts benefit my operation? | Our cross-compatible parts eliminate the need to stock separate components for PZ-10 and PZ-11 mud pumps, reducing inventory costs by 35%. They also streamline maintenance, as technicians can use the same parts for both models, saving 1–2 hours per repair and minimizing unplanned downtime. |
7. Procurement Guidance7
This list is a formal procurement and technical reference, ensuring you source certified, cross-compatible parts for your TSC GARDNER DENVER PZ-10 and PZ-11 mud pump fluid end systems. Every component—from TS-FEMPZ1011WPCA complete assemblies to TMPZ11-SEALKIT seal kits—is vetted for dimensional accuracy, material quality, and performance, eliminating the risk of low-quality parts that cause fluid end failure, mud leakage, and costly downtime. This document also serves as a technical reference to resolve common fluid end issues, ensuring your teams can maintain optimal pump performance.
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