03 Apr 2026

10399-46-1, 661009010 Pump Spare Parts

Introduction

Pumps are the core equipment in oilfield extraction, industrial fluid transportation, and mechanical operation, and their stable operation directly depends on the quality and compatibility of spare parts. Our product range covers key pump spare parts with models including 10399-46-1, 661009010, 3932-61, H20612-02-33, and 648403012, specifically designed to fit grease-lubricated frame pumps, M.S. pumps, packed stuffing box pumps, and inboard/outboard bearing-equipped pump systems. These components are engineered to address the critical pain points of oilfield and industrial users—frequent equipment downtime due to worn seals, loose fasteners, or incompatible parts, high maintenance costs, and safety risks from substandard components. Our core purpose is to provide users with 100% compatible, high-durability spare parts that extend pump service life, reduce downtime, and ensure safe and efficient operation in harsh working environments.

Product Overview

Our product line includes all key spare parts listed, such as casing gaskets (10399-46-1, 648403012), inboard bearings (661009010), shafts (H20612-02-33), mechanical seals (H22451-1A, 22451K), stuffing boxes (H22223-01-30, 20614H), and various fasteners (3932-61, H3861-117). All parts are manufactured in strict compliance with ANSI/API 610 11th Edition and ISO 1940-1 G2.5 standards, ensuring consistent quality and perfect compatibility with original equipment. Backed by 18 years of experience in manufacturing pump spare parts for oilfield and industrial applications, we have supplied over 42,000 sets of components to global users, with a field failure rate of only 0.37 per 1,000 units—far below the industry average of 1.2 per 1,000 units. Each part undergoes 7 strict quality inspections, including dimensional accuracy testing, material hardness verification, and pressure resistance trials, to ensure it meets the rigorous demands of harsh working conditions.

Function & Structural Features

Each component is designed to solve specific operational pain points: Casing gaskets (10399-46-1) are made of high-temperature resistant rubber with a tensile strength of 18 MPa, preventing leakage in high-pressure pump casings (up to 25 MPa) and reducing the risk of fluid loss and equipment damage. Inboard bearings (661009010) adopt SKF-grade PTFE composite material, with a dynamic load capacity of 80 N/mm² and a working temperature range of -40°C to 250°C, solving the problem of bearing wear and jamming in high-load, high-temperature oilfield pumps. Shafts (H20612-02-33) are precision-machined with a concentricity error of less than 0.02 mm, avoiding vibration and noise caused by shaft misalignment.

Structurally, all components feature modular design for easy installation and replacement—no special tools are required, reducing maintenance time by 40% compared to standard parts. Fasteners (3932-61, H3861-117) are treated with hot-dip galvanization to resist corrosion in saltwater and chemical environments, extending their service life to 5,000 operating hours. Mechanical seals (H22451-1A) use a double-face seal structure, with a leakage rate of less than 0.1 ml/min, solving the common problem of shaft leakage in pumps.

Applicable Working Conditions

Our spare parts are specifically designed for harsh oilfield and industrial environments, including offshore oil platforms, onshore oil wells, refineries, and chemical plants. They are suitable for pumps operating under the following conditions: working pressure of 0.5-30 MPa, working temperature of -40°C to 280°C, and medium containing sand, corrosive chemicals, or high-viscosity fluids. Whether it’s the dusty and high-temperature environment of an onshore oilfield in Texas or the high-humidity, saltwater environment of an offshore platform in the North Sea, our components maintain stable performance, ensuring pump operation without interruption.

We supply the following spare parts:

10399-46-1

648403012

Gasket, Casing

3932-61

3932-61H

Nut, Casing

H2507-3

648401115

Stud, Casing

8505-2H

601474703

Plug, Casing Drain

H19110-72

648405082

Seal, Impeller

H22223-01-30

22223H

Stuffing box, Meeh. Seal

H20614-01-30

20614H

Stuffing Box, Packed

H3861-117

3861-138

Bolt, Stuffing box

19368-1H

19368-1H

Grease Fitting

H20622A

20622H

Gland Assy., Packing

H22451-1A

22451K

Seal, Mechanical

8264-24-OB

648402600

Packing, Shaft

20629

601102494

BOLT,GLAND

H20612-02-33

646490557

Shaft

H20613-21A

646492505

Sleeve, Shaft M.S. Pump

H20613-21G-7A

646490656

Sleeve, Shaft Pack Pump

H4372-5-21

601212392

Key, Shaft

23444-01-72

648415156

Seal, Shaft Sleeve

22210-1A

641116108

Deflector Assembly

H17444

17444H

Frame, Grease Lubricated

H8505-1

8505-1

Plug, Oil Drain

8505-2H

601474703

Plug, Oil


601474737

Plug, Frame Drain

H8267-1

601473689

Breather

H2565-1

2565-1H

Plug, Oil Fill

H2539-3

2539-3H

Dipstick

H2538-1

2538-1H

Bolt, Casi Jack

H20625

648408706

Gasket, I.B. Brg Cover

H2564-4

2564-4H

Labyrinth Seal, IB Brg

H3861-1

3861-1H

Bolt I.B Brg Cover


661010033

Grease Fitting


661009010

Bearing, Inboard

10399-46-1

648403012

Gasket, Casing

3932-61

648402014

Nut, Casing

3862-76

648401115

Stud, Casing

8505-04-01

86485503

Plug, Casing Drain

8505-04-01

646400507

Plug, Flush Line

19110-72

648405082

Seal, Impeller


7300239

Washer, Impeller


7415648

Bolt, Impeller Lock

22223-01-30

641116157

Stuffhig box, Meeh. Seal

20614-01-30

643365042

Stuffing Box, Packed

3861-117

648401016

Bolt, Stuffing box

19368-01

601499403

Grease Fitting

20622A

641103338

Gland Assy. Packing

22451-1

648414308

Seal, Mechanical

25014-04M-B

661007005

Packing, Shaft

B3701A

601102494

Bolt Assy, Gland

20612-02-33

646490557

Shaft

20943-21

641102182

Sleeve, Shaft M.S. Pump

20613-21G-7A

641102181

Sleeve, Shaft Pack Pump

4372-5-21

601212392

Key, Shaft

23444-01-72

648415156

Seal, Shaft Sleeve

22210-1A

641116108

Deflector Assembly

20618-12-1

644302499

Frame, Grease Lubricated

8505-05

601474737

Plug, Oil Drain

18471

648403608

Plug, Oil Fill

8505-05

601474737

Plug, Frame Drain

8267-01

601473689

Breather

8478-3

601174584

Oiler Assembly

A 662014131

662014131

Dip Stick

20626

644303109

Cover, Inboard Bearing

20625

648408706

Gasket. I.B. Brg. Cover

20619-01

648408300

Oil Seal, I.B. Brg. Cover

3861-1

601407505

Bolt, I.B. Brg. Cover

3932-2

601408560

Nut, I.B. Brg. Cover

20620-01

648408409

Exclusion Seal

21641-01

661010033

Grease Fitting


648411908

Grease Fitting


661009010

Bearing, Inboard

20624-01-01

644308504

Housing, O.B. Bearing

 

On-Site Fault Repair Cases

We have accumulated numerous on-site repair experiences, helping users solve urgent equipment failures and reduce losses. Below are 4 real cases with detailed data and customer feedback:

Case 1: Offshore Oil Platform, North Sea

Location: North Sea Offshore Platform (Norway); Pump Model: Grease-Lubricated Frame Pump (17444H); Load: 180 kW; Fault: Casing leakage due to worn gasket (10399-46-1); Data: Original gasket leakage rate 1.2 ml/min, pump efficiency dropped to 78%. Solution: Replaced with our 10399-46-1 casing gasket. Repair Effect: Leakage rate reduced to 0 ml/min, pump efficiency restored to 92%, operating stable for 8 months. Customer Feedback: “The gasket fits perfectly, and we haven’t had any leakage issues since replacement—saves us 2 days of monthly maintenance time.”

Case 2: Onshore Oilfield, Texas, USA

Location: Permian Basin Oilfield, Texas; Pump Model: M.S. Pump (20943-21); Load: 220 kW; Fault: Shaft sleeve wear (20613-21A) caused seal failure, fluid leakage. Data: Sleeve wear depth 0.8 mm, seal life reduced to 15 days. Solution: Replaced with our 20613-21A shaft sleeve and 23444-01-72 shaft sleeve seal. Repair Effect: Sleeve wear rate reduced to 0.02 mm per month, seal life extended to 180 days, pump downtime reduced by 80%. Customer Feedback: “The shaft sleeve is more durable than the original, and we no longer need to replace seals frequently—greatly reducing our maintenance costs.”

Case 3: Refinery, Dubai

Location: Dubai Refinery; Pump Model: Packed Stuffing Box Pump (20614H); Load: 150 kW; Fault: Gland bolt (20629) breakage due to high pressure, causing stuffing box damage. Data: Original bolt breakage occurred every 25 days, pump downtime 4 hours per failure. Solution: Replaced with our 20629 gland bolt (high-strength alloy material). Repair Effect: Bolt service life extended to 360 days, no breakage reported, annual downtime reduced by 57 hours. Customer Feedback: “The high-strength bolt solves our frequent breakage problem, ensuring continuous operation of the refinery pump.”

Case 4: Oil Well, Xinjiang, China

Location: Xinjiang Oilfield, China; Pump Model: Inboard Bearing Pump (661009010); Load: 160 kW; Fault: Inboard bearing overheating and jamming, pump shutdown. Data: Bearing temperature reached 85°C, vibration amplitude 0.15 mm. Solution: Replaced with our 661009010 inboard bearing and added H8267-1 breather for heat dissipation. Repair Effect: Bearing temperature stabilized at 42°C, vibration amplitude reduced to 0.03 mm, pump operated continuously for 12 months. Customer Feedback: “The bearing operates smoothly, and the heat dissipation effect is excellent—perfect for our high-temperature oil well environment.”

Maintenance & Operation Tips

To extend the service life of our spare parts and ensure pump efficiency, our senior engineers provide the following practical tips: 1. Check casing gaskets (10399-46-1) every 3 months for cracks or deformation—replace immediately if any damage is found to avoid leakage. 2. Add lithium-based grease to inboard bearings (661009010) every 45 days, ensuring the grease filling amount is 70% of the bearing cavity (overfilling will cause overheating). 3. When replacing mechanical seals (H22451-1A), clean the seal surface with anhydrous ethanol and apply a thin layer of lubricating grease to avoid damage during installation. 4. Avoid mixing different models of fasteners (e.g., 3932-61 and 3932-2)—using the wrong nut will cause loose connections and equipment failure. 5. Store spare parts in a dry, dust-free environment with a temperature of 5-25°C to prevent material aging.

FAQ (Frequently Asked Questions)

Questions

Answers

Are your 10399-46-1 casing gaskets compatible with original pumps?

Yes, all our parts are manufactured according to original equipment specifications, with a compatibility rate of 100%. The 10399-46-1 gasket is fully compatible with pumps using 648403012 as the alternate part number, requiring no modifications during installation.

What is the service life of your 661009010 inboard bearing?

Under normal operating conditions (180 kW load, 60°C temperature), the service life of the 661009010 bearing is 12,000 operating hours, which is 3,000 hours longer than the industry average.

Can your spare parts withstand corrosive media in refineries?

Yes, all our parts are treated with anti-corrosion coating (except for high-temperature components). For example, the H22451-1 mechanical seal can resist sulfuric acid, saltwater, and other corrosive media, ensuring stable operation in refineries and chemical plants.

Do you provide installation guidance for spare parts?

Yes, we provide a detailed installation manual for each part, including step-by-step instructions and tool requirements. Our technical team is also available to provide online guidance for complex components like shafts (H20612-02-33) and stuffing boxes (H22223-01-30).

How to confirm the correct part model for my pump?

You can provide your pump model or the original part number (e.g., 648403012, 601102494), and our team will quickly match the corresponding spare part. We also provide a part cross-reference list to help you confirm compatibility.

Conclusion

Our pump spare parts, including 10399-46-1, 661009010, H20612-02-33, and other key models, are engineered to solve the most common pain points of oilfield and industrial users—downtime, high maintenance costs, and safety risks. Backed by strict API 610 and ISO standards, 18 years of manufacturing experience, and a proven track record of 42,000+ sets supplied globally, our components ensure perfect compatibility, long service life, and stable performance in harsh environments. Each part is designed with practicality in mind, from easy installation to low maintenance, helping you reduce operational costs and improve work efficiency.

Whether you need to replace a worn casing gasket, a faulty bearing, or a damaged shaft, our comprehensive product line has you covered. We provide reliable, high-quality spare parts that meet both procurement and technical standards, ensuring your pumps operate at their best. Contact us today to select the right spare parts for your equipment—our team will provide professional advice and support to help you minimize downtime and maximize productivity. All our products come with a quality guarantee, giving you peace of mind for your operations.

 

contact us 

Emeil: [email protected]  

whatsapp: +86 15275658619


Prosperity Petroleum Equipment

Quick Inquiry