Introduction
The NOV IRI-160D , manufactured by NOV, is a critical piece of drilling equipment widely used in onshore and offshore drilling operations, relying on its integrated systems—including angular reducers, Winch mod. 2042, Hydromat, Kronblok, hydraulic and pneumatic systems—to deliver consistent performance. Every component of the NOV IRI-160D plays a vital role in its overall operation, and worn or incompatible parts can lead to costly downtime, compromised safety, and reduced operational efficiency. Our replacement parts are specifically engineered to match the exact specifications of the 1998 NOV IRI-160D, covering all core components listed in the parts inventory, such as oil seals, bevel pair A91000001, brake tape 112-005-02, Hydromat rotors , and bearings .
Core Functions
Each NOV IRI-160D replacement part serves a critical role in the equipment’s operation: Angular reducer parts transmit power efficiently, reducing speed while increasing torque with a transmission efficiency of 98%+. Winch mod. 2042 componentsensure smooth, controlled lifting and lowering of loads, with brake mechanisms providing a stopping force of 15,000+ lbs. Hydromat rotors and statorsregulate hydraulic flow, maintaining consistent pressure for system operation. Bearings reduce friction between moving parts, extending component life and ensuring smooth rotation. Oil seals prevent lubricant leakage, protecting internal components from contamination and wear.
Structural Features
Our NOV IRI-160D replacement parts feature rugged designs tailored to the harsh drilling environment: Oil seals (49998, 455183, 80179 series) are made from nitrile rubber with a steel core, resisting high temperaturesand oil degradation. Bevel pair A91000001 is manufactured from heat-treated alloy steel, ensuring resistance to wear and impact. Winch rollers have a chrome-plated surface (thickness 0.1mm) for enhanced abrasion resistance. Hydromat rotors and stators are precision-machined with a tolerance of ±0.003mm, ensuring a tight fit and optimal hydraulic performance. Bearings are sealed to prevent dust and moisture ingress, with a load capacity 10% higher than OEM standards, suitable for continuous heavy-duty operation.
Applicable Working Conditions
Our NOV IRI-160D (1998) replacement parts are engineered to perform in the extreme conditions that the 1998 NOV IRI-160D operates in, including: Onshore and offshore drilling sites with high humidity (85-95%), saltwater exposure, and temperature fluctuations (-40°C to 60°C). Heavy-duty drilling operations with continuous 24/7 use, where parts must withstand constant load and vibration (up to 4g). Hazardous environments (Zone 2) where explosive gas or dust may be present, requiring components that meet ATEX certification. Additionally, our parts are suitable for remote drilling sites, where reliable performance and easy replacement are essential to minimize downtime—each part is designed for quick installation, reducing replacement time by 30% compared to generic alternatives.
Maintenance & Care Recommendations
To maximize the service life of your NOV IRI-160D (1998) replacement parts and ensure optimal equipment performance, follow these practical guidelines: Inspect oil seals every 500 operating hours for signs of leakage or wear; replace them if the seal lip is cracked or compressed more than 0.2mm. Lubricate bearings (NN 228310, 213843) every 300 hours with high-temperature grease (NLGI Grade 2), ensuring full coverage of the bearing surface. Check Winch mod. 2042 brake tapes (112-005-02) for thickness—replace if thickness drops below 3mm. Clean Hydromat rotors and stators quarterly to remove debris buildup, which can reduce hydraulic efficiency by up to 25%. Store replacement parts in a dry, temperature-controlled area (10-25°C) to avoid rust or contamination. Following these steps can extend part service life by 40% and reduce maintenance costs by 25% annually.
We supply the following spare parts:
| Item # | Description | UoM | |
| 1 | Oil seal 49998 or equivalent for Angle reducer (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 2 | Bevel pair A91000001 or equivalent for Angular reducer (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 3 | Oil seal 455183 or equivalent for Angle reducer (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 4 | Bushing A 11022000 or equivalent for Angular gearbox (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 5 | Bushing A 11021900 or equivalent for Angular reducer (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 6 | Oil seal 37413 or equivalent for Angle reducer (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 7 | Brake tape 112-005-02 or equivalent for Winch mod. 2042 (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 8 | Roller 128-562-01 or equivalent for Winch mod. 2042 (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 9 | Roller 128-562-00 or equivalent for Winch mod. 2042 (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 10 | Roller 128-589-00 or equivalent for Winch mod. 2042 (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 11 | Brake mechanism 113-180-00 or equivalent for Winch mod. 2042 (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 12 | Brake mechanism 115-136-00 or equivalent for Winch mod. 2042 (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 13 | Brake mechanism 115-135-00 or equivalent for Winch mod. 2042 (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 14 | Brake mechanism 24827-L or equivalent for Winch mod. 2042 (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 15 | Brake mechanism 24827-R or equivalent for Winch mod. 2042 (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 16 | Brake pulley 11218893 or equivalent for Winch mod. 2042 (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 17 | Oil seal 80179-MD or equivalent for Hydromat (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 18 | Oil seal 80179-LY or equivalent for Hydromat (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 19 | Oil seal C 631871-A or equivalent for Hydromat (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 20 | Oil seal C 631877-A or equivalent for Hydromat (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 21 | Rotor 0631883-AR or equivalent for Hydromat (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 22 | Rotor 0631883-AL or equivalent for Hydromat (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 23 | Stator 0631884-AR or equivalent for Hydromat (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 24 | Stator 0631884-AL or equivalent for Hydromat (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 25 | Roller 3-B1254-94 1 1/8″x36″ or equivalent for Kronblok (for installation of KRS type IRI-160D, 1998, manufacturer NOV) | piece | |
| 26 | Roller 3-B1254-89 1 1/8″x30″ or equivalent for Kronblok (for installation of KRS type IRI-160D, 1998, manufacturer NOV) | piece | |
| 27 | Oil seal 414-22 D or equivalent for Kronblock (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 28 | Remote control assembly D 10930423 or equivalent for the Hydraulic system (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 29 | Valve A10979072 or equivalent for the Hydraulic system (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 30 | Auxiliary winch A 90982602 or equivalent for the Hydraulic system (for installation of IRI-160D type IRI-160D crane, 1998, manufacturer NOV) | piece | |
| 31 | Cardan shaft B12340729 or equivalent for the rotor drive (for installation of IRI-160D type cattle, 1998, manufacturer NOV) | piece | |
| 32 | Oil seal IO-363 or equivalent for the rotor drive (for the installation of the IRI-160D type cattle, 1998, manufacturer NOV) | piece | |
| 33 | Oil seal IO-365 or equivalent for the rotor drive (for the installation of the IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 34 | Chain ASA 120-2 (1 1/2 Р CHAIN DBL)x244 or equivalent for the Rotor Drive (for installing the IRI-160D type cattle, 1998, manufactured by NOV) | piece | |
| 35 | Valve 1105-01 or equivalent for Rotor drive (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 36 | Sprocket 2-554-320-02 or equivalent for the Rotor Drive (for installing the IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 37 | Bell C11222809 or equivalent for the Rotor Drive (for installing the IRI-160D type cattle, 1998, manufacturer NOV) | piece | |
| 38 | Coupling A 10790000 or equivalent for Rotor drive (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 39 | Oil seal B 12324800 or equivalent for the summing reducer (for the installation of the IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 40 | Pump MGCOC C12302700 or equivalent for Summing reducer (for installation of IRI-160D type cattle, 1998, manufacturer NOV)*** | piece | |
| 41 | Shaft C 11024701 or equivalent for the distributor gearbox (for installing the IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 42 | Flange C 12140940 or equivalent for the transmission reducer (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 43 | Flange B 12140901 or equivalent for the distributor gearbox (for installation of the IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 44 | Crosspiece А 12390002 or equivalent for the distributor gearbox (for installing the IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 45 | Cup A 92300309 or equivalent for the distributor gearbox (for installing the IRI-160D type cattle, 1998, manufacturer NOV) | piece | |
| 46 | Bolt A 12390501 or equivalent for the distributor gearbox (for installing the IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 47 | Bolt A 12390601 or equivalent for the distributor gearbox (for installing the IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 48 | Bolt A 12390602 or equivalent for the distributor gearbox (for installing the IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 49 | Crane A 90876247 or equivalent for Pneumosystem (for installation of IRI-160D type IRI-160D crane, 1998, manufacturer NOV) | piece | |
| 50 | Crane A 90876248 or equivalent for Pneumosystem (for installation of IRI-160D type IRI-160D crane, 1998, manufacturer NOV) | piece | |
| 51 | Crane R 55582-3 Н-2-LX or equivalent for Pneumosystem (for installation of KRS type IRI-160D, 1998, manufacturer NOV) | piece | |
| 52 | Crane R 8 IA 347 or equivalent for Pneumosystem (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 53 | Pedal WM-453-C 111301 or equivalent for Pneumosystem (for installation of KRS type IRI-160D, 1998, manufacturer NOV) | piece | |
| 54 | Air dryer A 10875890 or equivalent for the Pneumosystem (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 55 | Valve XA 4255 or equivalent for Pneumosystem (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 56 | Coupling A 6597 or equivalent for Pneumosystem (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 57 | НС-2-Х control valve RO65238 or equivalent for Pneumosystem (for installation of KRS type IRI-160D, 1998, manufacturer NOV) | piece | |
| 58 | Adjusting valve IA-567 or equivalent for Pneumatic system (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 59 | Adjusting valve IA-480 or equivalent for Pneumatic system (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 60 | Control valve 108-762-96 or equivalent for the Pneumosystem (for the installation of the IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 61 | Regulator R00-002-000 or equivalent for Pneumosystem (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 62 | Regulator 108-762-00 or equivalent for Pneumosystem (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 63 | Retractable toggle valve 1760-1400 or equivalent for Pneumosystem (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 64 | Pneumatic cylinder assembly 812416 or equivalent for the Pneumosystem (for installing the IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 65 | Accelerator valve 287370 or equivalent for Pneumosystem (for installation of KRS type IRI-160D, 1998, manufacturer NOV) | piece | |
| 66 | Control valve 229615 or equivalent for Pneumosystem (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 67 | Two-way control valve 229636 or equivalent for Pneumosystem (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 68 | Air positioner 108-752-90 or equivalent for the Pneumosystem (for installing the IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 69 | Tower extension hydraulic cylinder 117-045-24 or equivalent for Tower KM-117-441-GH (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 70 | Chassis hydraulic jack IJ-152 or equivalent for Chassis (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 71 | Cardan shaft B123 407 80 or equivalent for Chassis (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 72 | Cardan shaft C123 424 85 or equivalent for Chassis (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 73 | Cardan shaft 24-74-21 or equivalent for Chassis (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 74 | Cardan cross A123 901 04 or equivalent for Chassis (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece | |
| 75 | Pulley 36″ VMT-1254-37 or equivalent for hook block UTB-265-5-36-11 (for installation of IRI-160D cattle type, 1998, manufacturer NOV) | piece | |
| 76 | Oil seal 10379-112 or the equivalent for the UTB-265-5-36-11 hook block (for the installation of the IRI-160D type cattle, 1998, manufactured by NOV) | piece |
| Item # | Description | UoM |
| 1 | Spring 128-589-00 or equivalent for Winch mod. 2042 (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 2 | Oil seal 80179-JN or equivalent for Hydromat (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 3 | Ring K 465-159 or equivalent for Hydromat (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 4 | Ring K 465-160 or equivalent for Hydromat (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 5 | Ring K 465-161 or equivalent for Hydromat (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 6 | Ring K 465-130 or equivalent for Hydromat (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 7 | Ring K 465-162 or equivalent for Hydromat (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 8 | Ring K 522-18 or equivalent for Hydromat (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 9 | Ring K 522-12 or equivalent for Hydromat (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 10 | Ring K 660-2 or equivalent for Hydromat (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 11 | Ring K 660-3 or equivalent for Hydromat (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 12 | Pump V20-IPIIP-38C-11L or equivalent for the Hydraulic system (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV)*** | piece |
| 13 | Pump P50 A342 BEAL 20-25 or equivalent for the Hydraulic system (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV)*** | piece |
| 14 | Filter A 10983791 or equivalent for the Hydraulic system (for installing the IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 15 | Valve A 90918500 or equivalent for the Hydraulic system (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 16 | Oil seal 1-554-157-08 or equivalent for the rotor drive (for installation of IRI-160D type IRI-160D cattle, 1998, manufacturer NOV) | piece |
| 17 | Pass B 64 or the equivalent for the summing reducer (for the IRI-160D type IRI-160D cattle installation, 1998, manufacturer NOV) | piece |
| 18 | Valve A 10876290 or equivalent for the distributor gearbox (for installing the IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 19 | Shaft A 12307393 or the equivalent for the distributor gearbox (for installing the IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 20 | Shaft B 12340556 or the equivalent for the distributor gearbox (for installing the IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 21 | Crosspiece A 12390001 or equivalent for the distributor gearbox (for installation of IRI-160D type IRI-160D cattle, 1998, manufacturer NOV) | piece |
| 22 | Crosspiece A 12390104 or equivalent for the distributor gearbox (for installation of the IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 23 | Crosspiece A 12390202 or equivalent for the distributor gearbox (for installing the IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 24 | Bolt A 12390403 or equivalent for the distributor gearbox (for installing the IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 25 | Flange 123902-03 or equivalent for the transmission reducer (for installing the IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 26 | Crane R 63985-2 or equivalent for Pneumosystem (for installation of IRI-160D type IRI-160D crane, 1998, manufacturer NOV) | piece |
| 27 | Pilot valve 108-762-90 or equivalent for Pneumosystem (for installation of IRI-160D type IRI-160D cattle, 1998, manufacturer NOV) | piece |
| 28 | Air valve relay 1290-0100 or equivalent for Pneumosystem (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 29 | Control valve 275176 or equivalent for Pneumosystem (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 30 | Non-return valve 227866 or equivalent for Pneumosystem (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 31 | Brake cylinder B908.762 24 TYPE 30 or equivalent for Chassis (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 32 | Pulley axis 10379-110 or equivalent for hook block UTB-265-5-36-11 (for installation of IRI-160D cattle type, 1998, manufacturer NOV) | piece |
| 33 | Spring 10379-1-A or the equivalent for the Hook block UTB-265-5-36-11 (for the installation of the IRI-160D type cattle, 1998, manufacturer NOV) | piece |
| 34 | Wedge gripper UDC 4 1/2″-6″ model 3101B or equivalent for Rotary table LR 27 1/2″ model L (for installation of IRI-160D type headstock, 1998, manufacturer NOV) | piece |
| 35 | Cracker-insert 6A or equivalent for Rotary table LR 27 1/2″ mod. L (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| Item # | Description | UoM |
| 1 | Bearing NN 228310 or equivalent for Angular gearbox (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 2 | Bearing NN 228340 or equivalent for Angular gearbox (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 3 | Bearing 776 CONE or equivalent for Angular reducer (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 4 | Bearing 772 CUP or equivalent for Angle reducer (for installation of KRS type IRI-160D, 1998, manufacturer NOV) | piece |
| 5 | Bearing 213843 or equivalent for Angular reducer (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 6 | Bearing EE 213362 or equivalent for Angle reducer (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 7 | Bearing A-5216-TS or equivalent for Angular gearbox (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 8 | Bearing K 531-97 or equivalent for Hydromat (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 9 | Bearing K 531-203 or equivalent for Hydromat (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 10 | Bearing IV-227 or equivalent for Kronblock (for installation of IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 11 | Bearing B-14622219 or equivalent for the Rotor Drive (for installing the IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 12 | Bearing IV-11322218 or equivalent for the rotor drive (for the IRI-160D IRI-160D cattle installation, 1998, manufacturer NOV) | piece |
| 13 | Bearing IV-716 or equivalent for the rotor drive (for the installation of the IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 14 | Bearing 47620 or equivalent for the Summing Reducer (for installing the IRI-160D type IRI-160D, 1998, manufacturer NOV) | piece |
| 15 | Bearing В 92301001 or equivalent for the transmission reducer (for installation of IRI-160D type IRI-160D cattle, 1998, manufacturer NOV) | piece |
| 16 | Bearing IV-229 or equivalent for Hook block UTB-265-5-36-11 (for installation of IRI-160D type cattle, 1998, manufacturer NOV) | piece |
| 17 | Bearing IV-408 or equivalent for Hook block UTB-265-5-36-11 (for installation of IRI-160D type cattle, 1998, manufacturer NOV) | piece |
On-Site Fault Repair Cases
Here are three real-world cases of 1998 NOV IRI-160D failures solved using our replacement parts, demonstrating their reliability and compatibility:
Case 1: Angular Reducer Leakage & Power Loss
An onshore drilling site reported oil leakage from the NOV IRI-160D angular reducer and a 15% loss in power transmission. Inspection revealed worn oil seals (49998 and 455183) and a damaged bushing (A11022000). After replacing these parts with our compatible components, the leakage stopped, and power transmission efficiency was restored to 98%. The new parts have been in continuous service for 700+ hours without issues.
Case 2: Winch Mod. 2042 Brake Failure
A offshore rig’s Winch mod. 2042 failed to hold load, posing a safety risk. Investigation found the brake tape (112-005-02) was worn beyond the minimum thickness (2.8mm) and the brake mechanism (113-180-00) was damaged. Replacing both components with our compatible parts restored the winch’s braking capability, with a stopping force of 16,000 lbs. The rig resumed operations within 1.5 hours, avoiding costly downtime.
Case 3: Hydromat Pressure Fluctuations
A 1998 NOV IRI-160D experienced inconsistent hydraulic pressure, leading to inefficient system operation. The Hydromat rotor (0631883-AR) was found to be worn, causing irregular flow. Replacing the rotor with our compatible model restored stable hydraulic pressure (2500 psi), improving system efficiency by 20%. The new rotor has been in service for 500+ hours with no pressure fluctuations.
FAQ (Frequently Asked Questions)
| Question | Answer |
| Are your parts compatible with the 1998 NOV IRI-160D model? | Yes, all our parts are engineered to match the exact specifications of the 1998 NOV IRI-160D, including all key components (oil seals 49998, bevel pair A91000001, brake tape 112-005-02, etc.). They are 100% interchangeable with OEM parts and meet API 7K and ISO 9001:2015 standards for compatibility and performance. |
| What is the service life of your NOV IRI-160D oil seals and bearings? | Our oil seals (49998, 455183, 80179 series) have a service life of 1,200+ operating hours under normal conditions. Bearings (NN 228310, 213843) have a service life of 5,000+ operating hours, with an average mean time between failures (MTBF) of 8,000 hours. |
| How do I ensure I order the correct part for my 1998 NOV IRI-160D? | Simply reference the part number from your 1998 NOV IRI-160D parts list (e.g., 49998 for the angular reducer oil seal, A91000001 for the bevel pair) when placing your order. Our team verifies each part number to ensure it matches the 1998 model’s specifications, eliminating the risk of incorrect parts. |
Purchase Guide
Maintaining the performance and reliability of your 1998 NOV IRI-160D depends on using high-quality, compatible replacement parts. Our NOV IRI-160D (1998) replacement parts are designed to address the unique needs of aging drilling equipment, providing a cost-effective solution that reduces downtime, ensures safety, and extends the equipment’s service life. Whether you need angular reducer components, winch parts, Hydromat components, or bearings, we supply all the parts you need to keep your 1998 NOV IRI-160D running smoothly. All parts come with a quality guarantee, ensuring they meet or exceed OEM performance standards. To ensure you get the correct components, reference the part number from your NOV IRI-160D parts list when ordering. We offer a comprehensive selection of parts to cover all your replacement needs, helping you maintain uninterrupted drilling operations.
