NOV Spare Parts Supply

1. Introduction

This document focuses on the production and supply of high-quality, OEM-compatible spare parts specifically engineered for a comprehensive range of NOV (National Oilwell Varco) equipment—including critical drilling, production, and auxiliary systems. The parts are fully compatible with the following key NOV models and configurations: TDS 8SA top drive, NOV D3000AC Draw Works (ABG Y-308, Serial No: 387), Catwalk PC-400, Mud Pump NOV 14P-220, CAT-3516-C Main Engines, NOV ST-120 Iron Roughneck, Quincy Air Compressors, and Centrifugal Pumps. The core purpose of these parts is to ensure all NOV equipment maintains peak performance, operational safety, and long-term reliability by supporting every critical functional system—from top drive wash pipes and hydraulic cylinders to mud pump diaphragms, draw works brakes, and centrifugal pump bearings. Every part listed—from the TDS 8SA 30182002 Wash Pipe Dublin and D3000AC 7030B102 High Pressure Filter to the 14P-220 1005208-07 Diaphragm and ST-120 M364000943-100 Hydraulic Cylinder—matches NOV’s original dimensional, material, and performance specifications, guaranteeing 100% drop-in compatibility with no modifications required.

2. Product Features & Technical Details

Proper maintenance of NOV spare parts directly extends equipment service life (target: 3,000 drilling hours between overhauls for TDS 8SA; 2,800 hours for D3000AC; 2,500 hours for 14P-220) and reduces unplanned downtime. Below are practical, easy-to-follow recommendations for on-site use, aligned with NOV’s maintenance guidelines and industry best practices:

1. Pre-Installation Check: Before installing any part, verify the part number (e.g., 30182002-500 vs. 30182002-501 for TDS 8SA, 7030B102 vs. 7032B263 for D3000AC) against the NOV equipment parts manual. Inspect seals for cracks, cylinders for dents, and filters for contamination. Torque all fasteners to NOV’s specifications (varies by part) using a calibrated torque wrench to avoid installation-related failures.
2. Lubrication & Fluid Maintenance: Use API-certified hydraulic oil (ISO VG 46) for TDS 8SA, D3000AC, and ST-120; Quincy Quinsyn XP Fluid for air compressors. Replace filter elements (30111013-1, 7030B102, H10342) every 250–300 operating hours. Grease self-lubricating bushings (7006B381, 30124809) every 150 hours with lithium complex grease (NLGI Grade 2). For mud pumps, replace hydraulic fluid every 500 hours to prevent component wear.

We supply the following spare parts:

TDS 8SA
	Wash pipe
1	Wash pipe Dublin	30182002
2	Face Seal Kit, Deublin	30182002-500
3	O-Ring Kit, Deublin	30182002-501
4	Wrench Kit, Deublin	30182002-502
5	Floating Seal Kit, Deublin	30182002-503
	Link Tilt Cylinder
1	Cylinder, Hydraulic L/T Assy	30171518
2	Seal Kit, Link Tilt Cylinder	30171518-2
3	Seal Kit, Link Tilt Cylinder	30171518-1
4	Encoder, Digital	30122725
	RLA
1	Glyd Ring	124813
2	Glyd ring rotary 11.500ROD	30119143
3	Seal, Lip, Bull Gear	88096
4	Seal, Wiper	30124656
5	Bushing, Turcite	30124809
6	Retainer ring	124697
7	Bushing turcite	30124809
8	O ring 11.984	51300-278-B
9	O ring 13.975	51300-383-B
10	Gyld ring rotary 13.000	30124812
11	Bushing, Self Lubricating	118844-22-12
	IBOP cylinder
1	I BOP seal kit	108894-P25
2	I BOP Seal kit	108894-L25
3	Body Seal	108894-B25
4	Gland Wrench	108894-Y2
5	Spanner Wrench	108894-Z703
6	I BOP seal kit	108894-G13
	Oil Circulation Kit
1	Pump/Motor Assembly	30174470-EX460
2	Coupling, Flex	98054
3	Valve, Thermostatic	97575
4	Filter Assembly	30111013
5	Element, Filter	30111013-1
6	Seal, O-Ring, Filter	30111013-4
7	Magnetic Separator Assembly	30111013-5
8	Gauge, Differential Pressure	30176001
9	Thermometer, Dial	30177032
10	Element, Strainer	30176000-3
11	Vacuum Indicator, Strainer	30176000-1
12	Gauge, Pressure	115214-1D0
13	Gauge, Pressure	115217-1F2
14	Filter Assembly, 25 Microns Dual	30175768-MECH
15	Connector, Element	30173922-15
16	Element, Filter, 25 Microns	30175768-1
	Counterbalance Kit
1	Cylinder Assembly	94764
2	Seal Kit, Counterbalance Cylinder	94764-SK
	PH-100 Installation Kit
1	Lower IBOP Valve Assembly	91138-DNV
2	Repair Kit – Soft Seals	95385-1
3	Repair Kit, – Complete	95385-2
4	Upper IBOP Valve Assembly	30173887-500-DNV
5	Repair Kit, – Complete	30177083-2
6	Repair Kit – Soft Seals	30177083-1
7	Wrench, IBOP	77408
8	Seat Puller	79489-14
9	Seat Puller	79489-14
10	Nut Wrench	89141-18
	PH-100 Torque Arrestor Assembly
1	Clamp Cylinder Assembly	30125050
2	Seal, Piston	72219
3	Seal, Rod	72220
4	Rod, Wiper	72221
5	Cyl Assy, IBOP Actuator	125594-DWG
6	Cylinder, Double Rod	120557-500
7	Piston Seal	108894-P25
8	Cylinder Assembly, Lift	125799
9	Piston Seal	108894-P25
10	Rod Seal	108894-G10
11	Body Seal	108894-B25
	Hydraulic cylinder
1	Alignment Cylinder Assembly	30174224
2	Valve, Flow Control	15208
3	Seal Kit, Alignment Cylinder	30174223-SK
4	Repair Kit, Alignment Cylinder	30174223-RK
5	Seal Kit, Accumulator	82674-SK
NOV D3000AC DRAW WORKS ABG Y-308, Serial No: 387
1	High Pressure Filter	7030B102
2	Air Filter	7040B270
3	Low Pressure Filter	7032B263
4	Relay Valve	7040B008
5	2P-4W Pilot operated brake control valve	9130A085
6	Pressure Gauge – 5,000 psi	7056B336
7	2P/3W Ball Valve	7024B057
8	Pressure Reducing Valve	7026B037
9	Accumulator Bladder	7032B093
10	Butyl Kit (Bladder Kit)	7032B094
11	Back Pressure Regulator Valve	7026B147
12	Volume Booster	7040B009
13	Relief Valve	7026B069
14	Hydraulic Pumps , Axial Piston set 2 GPM @1800 RPM	7020B171
15	Air Pressure Regulator	7040B312
16	Draw Works lube pump assembly,	9108A040
17	Toggle Valve (Crown Saver)	60PN1015
18	Fixed Orifice 1/32″	9106D077
19	Flow control valve 3/8″ NPT	7032B139
20	Pressure transduser 250 Bar,
21	Temperature Sensor
22	2P/5W Solenoid Valve	20037340
23	Brake Control Valve	9130A085
24	Pressure Gauge – 5,000 psi	7056B336
25	2P/3W Ball Valve	7025B057
26	Pressure Reducing Valve	7026B037
27	Accumulator	7032B091
28	Accumulator Bladder (I-300)	7032B093
29	Butyl Kit (Bladder Kit)	7032B094
30	Pressure Gauge	7040B269
31	Volume Booster	7040B009
32	Pressure Transducer	20042178
33	Temperature Sensor	20032731
34	Level Sensor	20029260
35	2P/3W Solenoid Valve	20023353
36	Pressure Transmitter	20042179
37	Relief Valve	7026B069
38	Air Pressure Regulator	7026B128
39	Pressure Relief Valve	7026B040
40	Replacement Filter	7030B131
41	Pressure Gauge	7040B269
42	Strainer, ¾”	7030B083
43	Suction Strainer Modification	9108D297
44	Self Lubricating Bearings	7006B381
45	Brake Caliper	2112414
46	Pad Molded Emerg caliper Comp	0-7602-1370-46
47	Wiper Seal D3500	0-7602-2132-99
48	Poly-pack 37503-500-625B	0-7602-2200-57
49	Oring 2-372	7602-1620-10
50	Poly-pack 37507-250-625	0-7602-2200-56
51	Cylinder Sheel	0-6212-1827-00
52	Flexible Drive Coupling Hub	7018B763
53	Flexible Drive Coupling Hub	7018B696
54	Flexible Drive Coupling Insert	7018B598
55	Flexible Drive Coupling Hub	7018B068
56	Flexible Drive Coupling Hub	7018B697
57	Flexible Drive Coupling Insert	7018B069
58	2P-3W Solenoid valve
59	2P-5W Solenoid Valve
60	Pressure Transmeter 25 BAR
61	Air Filter	7030B031
62	Relif valve 1/4″ NPT	7026B069
63	Check Valve 1″ NPT	7040B103
64	Low Pressure Filter	7032B262
65	Lube pump	7020B140
66	Bteather C/W Element	7018B393
67	Filter Element	7030B085
68	Friction Disc 30 GST STAGG. f/Air Clutch 7018B745 (Wichita)	4-231-827-042-4
69	Airtube 30H 4-SPUD HS f/ Air Clutch 7018B745 (Wichita)	4-231-020-011-0
70	Pressure Plate 30H STV f/ Clutch 7018B745 (Wichita)	4-231-003-009-8
71	Spring 29/32 x 3.125 Free	4-231-033-001-4
72	Centre Plate 30STV f/ Air Clutch 7018B745	4-231-011-006-2
73	Floating Plate 30STD Vent f/ Clutch 7018B745 (Wichita)	4-231-011-009-2
74	Friction Disc 36 G2S STAGG. f/ Air Clutch 7018B744 (Wichita)	4-262-827-018-4
75	Airtube 36H high speed f/ Air Clutch 7018B744 (Wichita)	4-262-020-010-0
76	Pressure Plate 36H Blank f/ Air Clutch 7018B744 (Wichita)	4-262-003-008-8
77	Release Spring 1 x 3.50 (207208) f/ Air Clutch 7018B744	4-528-033-000-4
78	Centre Plate 36 STV w/ 1.00 CB f/ Air Clutch 7018B744 (Wichita)	4-262-011-017-2
79	Float Plate 36 STV w/ 1.00 CBf/ Air Clutch 7018B744 (Wichita)	4-262-011-018-2
	Catwalk PC-400
1	Hydraulic pumps (Piston pump 145cc, 5000Psi	H10312,
2	Pump gear, Kidney loop,	H10548
3	Filter element, 10 micron, spin-on	H10342
4	Filter, case drain, 10 micron	H10347
5	Filter, inline 3/4 NPT, 25 psi bypass	H10348
6	Filter, HP filter assembly	AY50391
7	Inline return filter, 80 GPM	AY50524
8	Seal, Dowty 1/4 BSPP	H10450
9	Reservoir plugs with breathers	P10063
10	Grease fittings, 1/8 NPT PTF-SS	M10533
11	Bushings, rollers, bearings lift arm pocket roller	161100053
12	Machined left arm pocket roller bushing	161600001
13	Laser eye guard,	141100082M
14	7/8IN x 144FT winch cable Assembly	AY50196
15	Transmeter tank, -60 TO 200C	N10301
16	ASSY, SHEAVE, RAMP, PC4100	121200029M
17	CPLG, DRIVE HUB, 2 7/8 IN BORE, 3/4 KEY	M10519
18	CPLG, DRIVE HUB, 1 3/4IN BORE, 3/8 KEY	M10520
19	CPLG, INSERT, 80A-NEO	M10535
20	PRESSURE TRANSDUCER	N10298
21	ENCODER	N10334
22	MOTOR, HYD, PISTON, 110cc/REV	H10315
23	BRAKE RELEASE VALVE	H10329
24	VLV, HYD, PRESS RELIEF, CARTRIDGE	H10328
25	VLV, HYD, PRESS REDUCING, CARTRIDGE	H10326
26	VLV, DIVERTER, 3-WAY, 2 POS	H10318
27	PLUG, 1/8 NPT, .040 ORIFICE	158100033
Mud Pump NOV 14P-220
1	Wiper oil intermedate rod	1295182
2	Gasket oil wiper intermedate rod	1295227
3	Diaphragm, Hydrogenated	1005208-07
4	Diaphragm Stabilizer	1005213
5	Stabilizer Plate	1005214
6	Stabilizer Screw	1005215
7	Pressure Gauge	1900168-6
8	Charging Valve	1920079-2
CAT-3516-C Main Engines
1	Oil Filter	1R-0726
2	Fuel filter	1R-0756
3	F&W seperator Element	731000FH
4	Fan belt	B-102
NOV ST-120 Iron Rughnick
	Cylinder spin wrench	M364000624
	CYL, HYD, ARM EXTEND	M364000943-100
	HYDRAULIC CYLINDER 5X10	M364001051
	HYDRAULIC CYLINDER 5X10	M364001051-100
	ROD SEALS AND BRONZE GLAND	108894-G20
	SEAL KIT	108894-P50
	SEAL KIT	M364001072
	Cylinder telescope ING	M364000821
	SEAL KIT	M364000821-01
	REBUILD KIT	M364000821-02
	Clevis cylinder torque	30182473
	Assembly cylinder clamp ST-120	M364001228
	SEAL KIT	M364001228-02
	REBUILD KIT	M364001228-03
	CARTRIDGE KIT	M364001228-06
	Hydraulic filter element	30184446-C3E
	Track roller	30183561
	Hydraulic torque gauge	30183734
	MANIFOLD, CLAMP CYL	M361000211
	MANIFOLD, CLAMP CYL	M361000212
	MAIN HYD. LIFT CYLINDER	M364000305
	ROD SEALS/BRONZE GLAND	108894-G17
	PISTON SEAL KIT	108894-L40
	ELEMENT, FILTER	92537-E-216
	CYL, HYD, ARM EXTEND	M364000010
	ROD SEALS/BRONZE GLAND	108894-R17
	PISTON SEAL KIT	108894-L40
	ELEMENT, FILTER REPLCMNT	92537-216-A
	KIT, SEAL, HAWE	30181600-102
	TARGET, PROXIMITY SENSOR	M364000685
	DIE, TONG	16401-2
	ASSY, CYLINDER, 2.5X3.31	M36400982
	LIP SEAL	118461-3
	LIP SEAL	P364000004
	LIP SEAL	P364000006
Air Compressors Quincy
1	AIR FILTER ELEMENT (QSI-500i)	146397-10
2	AIR/FLUID SEPARATOR	144606-01
3	FLUID FILTER ELEMENT	142136
4	THERMAL VALVE KIT	125657-067
5	SHAFT SEAL KIT (QSI-500i)	140413
6	QUINSYN XP FLUID (5 GALLON CONTAINER)	142784-005
Centrifugal pumps
1	BEARING OUTBOARD	20616-1
2	BEARING INBOARD	20615-1
3	STUFFING BOX MECH SEAL	22223-01-30
4	SEAL MECHANICAL	22451-1
5	SLEEVE MS PUMP	20943-21
6	SHAFT 250 MISSION PUMP SS416	20612-02-33
7	HOUSING ASSY 6x8x14	19117-01-30A
8	IMPELLER 6x8x11″	19116-70-30
9	IMPELLER 6x8x11-1/2″	19116-75-30
10	IMPELLER 6x8x14″	19116-80-30
11	NUT CASING	3932-61
12	STUD CASING	3962-76
13	SEAL IMPELLER	19110-72
14	BOLT IMPELLER LOCK	7415648
15	WASHER IMPELLER	7300239
16	SEAL SHAFT SLEEVE	23444-01-72
17	BREATHER	8267-01
18	GASKET IB Brg COVER	20625
19	OIL SEAL I.B. Brg COVER	20619-01
20	Exclusion Seal Brg Cover	20620-01
21	Housing O.B. Bearng	20624-01-01
22	Seal O.B. Brg Housing	7496-253
23	O-ring O.B.Brg Cover	7496-26
24	Oil Seal O.B.Brg Cover	20619-02
25	Grease fitting	19368-01
26	Packing shaft	25014-04M-B
27	Lock Washer O.B.Bearing	6124-4
28	Locknut O.B.Bearing	6123-4
29	Gasket Casing	10399-46-1

3. On-Site Fault Repair Case Studies (Real-World NOV Equipment Scenarios)

These short, real-world case studies demonstrate how our NOV spare parts resolve common failures quickly, minimizing downtime and ensuring safe, efficient operations—aligning with industry goals of reducing equipment failure rates and improving operational efficiency:

Case 1: TDS 8SA Wash Pipe Leak Fixed with 30182002-500 Face Seal Kit

An offshore rig’s NOV TDS 8SA top drive experienced a major drilling fluid leak from the wash pipe, halting drilling operations. Inspection revealed worn face seals in the 30182002 Wash Pipe Dublin. Technicians replaced the seals with our 30182002-500 Face Seal Kit, re-torqued the wash pipe components, and resumed drilling in 2 hours. The fix prevented contamination of internal components, restored fluid flow, and saved $230,000 in offshore downtime costs—consistent with industry data showing that quick repairs with compatible parts reduce downtime expenses by up to 70%.

Case 2: D3000AC Draw Works Brake Failure Resolved with 2112414 Brake Caliper

A land-based rig’s NOV D3000AC Draw Works suffered reduced braking performance, triggering a safety alert. Testing found worn 2112414 Brake Calipers and 0-7602-1370-46 Emergency Pad Assemblies. Our replacement parts were installed in 1.5 hours, restoring full braking power and ensuring compliance with safety regulations. The rig avoided 9 hours of unplanned downtime, saving $378,000 in onshore downtime costs and preventing potential drill string damage.

Case 3: 14P-220 Mud Pump Diaphragm Failure Fixed with 1005208-07 Diaphragm

A drilling rig’s NOV 14P-220 mud pump experienced a diaphragm failure, causing mud leakage and halting drilling fluid circulation. Inspection identified a torn 1005208-07 Hydrogenated Diaphragm. Technicians replaced the diaphragm with our OEM-compatible part, installed a new 1005213 Diaphragm Stabilizer, and resumed operations in 1 hour. The fix prevented further equipment damage, restored mud pumping efficiency, and saved $42,000 in emergency repairs—highlighting the value of quality, compatible parts for critical equipment.

4. Frequently Asked Questions (FAQ)

No.	Questions	Answers
1	Are these parts compatible with all production years of the listed NOV equipment models (TDS 8SA, D3000AC, 14P-220, etc.)?	Yes. All parts are engineered to match NOV’s original design and dimensions for each model, regardless of production year—including the D3000AC Draw Works (ABG Y-308, Serial No: 387) and ST-120 Iron Roughneck. Key components like the 30182002 Wash Pipe Dublin (TDS 8SA), 7030B102 High Pressure Filter (D3000AC), and 1005208-07 Diaphragm (14P-220) have identical mounting patterns and performance specs to OEM parts, ensuring a perfect fit with no modifications needed.
2	Do you provide compliance documentation for API 7K, API 8C, DNV, and NACE MR0175 for safety-critical NOV parts?	Yes. For safety-critical parts (e.g., TDS 8SA 91138-DNV Lower IBOP Valve, D3000AC 7032B093 Accumulator Bladder, 14P-220 1005208-07 Diaphragm), we supply mill test reports (MTRs), pressure test certificates, and API 7K/8C/DNV/NACE MR0175 compliance statements. These documents support rig audits, regulatory compliance, and quality assurance programs required for oil and gas operations.
3	What is the expected service life of your 7030B102 High Pressure Filter (D3000AC) and 108894-P25 IBOP Seal Kit (TDS 8SA) in harsh offshore conditions?	In heavy offshore drilling (12+ hours daily, high saltwater and contamination), the 7030B102 High Pressure Filter lasts 200–250 operating hours, and the 108894-P25 IBOP Seal Kit lasts 500–600 operating hours. Regular filter replacement and lubrication can extend the seal kit’s life by 25%. We recommend stocking extra filters and seal kits for offshore rigs to avoid emergency downtime, as remote locations can delay parts delivery.

5. Procurement & Technical Troubleshooting Reference

NOV equipment is the cornerstone of safe, efficient oil and gas drilling and production operations worldwide, and its performance depends entirely on the quality and compatibility of its spare parts. Our NOV spare parts portfolio is designed to eliminate the risks of non-OEM parts—premature failure, leakage, safety hazards, and costly downtime—by meeting or exceeding API 7K, API 8C, ISO 9001, NACE MR0175, and DNV standards, as well as NOV’s original design specifications. We supply a comprehensive range of parts for all listed NOV models, from small consumables (filters, seals, fasteners) to critical assemblies (hydraulic pumps, cylinders, IBOP valves), ensuring every component delivers reliable performance in the harshest oilfield environments.