Contents
Product Introduction
The Atlas Copco 1604610981 Oil Stop Valve Assembly is a critical part designed to control and prevent oil leakage in Atlas Copco air compressors. Supplied by authorized distributor Seadweer, this assembly ensures high reliability, precise operation, and extended service life in demanding industrial applications.

Its advanced design and high-quality components allow smooth performance, reducing downtime and improving compressor efficiency. Compared with standard alternatives, this original Atlas Copco valve assembly provides up to 30% better sealing performance and ensures 25% longer durability under continuous operation.
Technical Specifications
| Specification | Value |
| Part Name | OIL STOP VALVE ASSEMBLY |
| Part Number | 1604610981 |
| Origin | BE |
| HS Code | 84819000 |
| Width | 200 mm |
| Height | 105 mm |
| Length | 290 mm |
| Weight | 5706 gr |

Components
| Description | Quantity |
| PISTON | 1 |
| PLUG G 1/2 | 1 |
| CIRCLIP | 1 |
| REDUCER FLOW | 1 |
| HOUSING | 1 |
| SEAL WASHER | 1 |
| VALVE OIL STOP | 1 |
| SPRING | 1 |
| SEAL WASHER M20 | 1 |
| SPRING | 1 |

Key Advantages
- Provides 30% better sealing performance compared to non-original replacements.
- Offers 25% longer durability under heavy-duty operation.
- Designed for perfect compatibility with Atlas Copco air compressors.
- Reduces oil leakage risk, ensuring 20% lower maintenance costs.
- Manufactured with precision in Belgium under strict quality standards.
FAQ
1. Is the Atlas Copco 1604610981 Oil Stop Valve Assembly an original part?
Yes, Seadweer only supplies 100% original Atlas Copco components to guarantee performance and reliability.
2. How does this valve assembly benefit compressor operation?
It prevents oil leakage, improves sealing by 30%, and extends service life.
3. What models are compatible with this assembly?
This part is designed for Atlas Copco air compressors. Please contact Seadweer for compatibility details.
4. Why should I choose this original valve assembly over alternatives?
Original parts offer 25% longer durability and 20% lower maintenance costs, unlike cheaper substitutes.
5. How can I order the 1604610981 Oil Stop Valve Assembly?
You can contact Seadweer directly for wholesale pricing, availability, and fast worldwide shipping.

More Oil Stop Valves List
| Part Number | Part Name | Part-Number |
| 2910014101 | KIT, OIL STOP VALVE | 2910-0141-01 |
| 2255280980 | VALVE-OIL STOP | 2255-2809-80 |
| 2252626600 | VALVE-OIL STOP | 2252-6266-00 |
| 2252626581 | VALVE-OIL STOP | 2252-6265-81 |
| 1621921400 | STOP PIN | 1621-9214-00 |
| 1614235900 | STOP DEVICE | 1614-2359-00 |
| 1613235582 | VALVE-OIL STOP | 1613-2355-82 |
| 1613235580 | VALVE-OIL STOP | 1613-2355-80 |
| 1613010900 | STOP DEVICE | 1613-0109-00 |
| 1621920300 | STOP PIN | 1621-9203-00 |
| 1621921400 | STOP PIN | 1621-9214-00 |
| 1622200910 | PIPE (THERMOSTAT-OILSTOPV.) | 1622-2009-10 |
| 1622201900 | OIL STOP VALVE HOUSING | 1622-2019-00 |
| 1622908920 | VALVE OIL STOP | 1622-9089-20 |
| 1613894700 | OIL STOP CHECK VALVE | 1613-8947-00 |
| 1613943300 | PIPE (HOUSING – OIL STOP) | 1613-9433-00 |
| 1614918501 | VALVE OIL STOP | 1614-9185-01 |
| 1616612406 | TO CHANGE (NEEDED FOR STOP DN | 1616-6124-06 |
| 1617012300 | STOP VALVE | 1617-0123-00 |
| 1089026344 | EMERGENCY STOP NC CONTACT | 1089-0263-44 |
| 1089064917 | BUTTON STOP | 1089-0649-17 |
| 1089064920 | BUTTON EM.STOP | 1089-0649-20 |
| 1089928711 | EM.STOP BOTTON | 1089-9287-11 |
| 1089928734 | EM.STOP BOTTON | 1089-9287-34 |
| 1089928740 | START STOP BUTTON | 1089-9287-40 |
| 1089942215 | EMERG. STOP | 1089-9422-15 |
| 1089942233 | EME STOP BUTTON | 1089-9422-33 |
| 1089942250 | SWITCH EM. STOP | 1089-9422-50 |
| 1089944520 | SWITCH EM. STOP | 1089-9445-20 |
| 1089951335 | BUTTON STOP | 1089-9513-35 |
| 1089951336 | BUTTON STOP | 1089-9513-36 |
| 1089951370 | EMERGENCY STOP LABLE | 1089-9513-70 |
| 1089951389 | EMERGENCY STOP PUSH BUTTON | 1089-9513-89 |
| 1089951391 | EMERGENCY STOP SHROUD | 1089-9513-91 |
| 1089951399 | BUTTON EM.STOP | 1089-9513-99 |
| 1089998518 | EMERGENCY STOP | 1089-9985-18 |
| 1091800304 | oilstop vlv repairkit SULLAIR | 1091-8003-04 |
| 1092001320 | START-STOP SWITCH | 1092-0013-20 |
| 1092002152 | Emergency stop button | 1092-0021-52 |
| 1092110635 | EMERGENCY STOP BUTTON | 1092-1106-35 |
| 1615651950 | VALVE-OIL STOP | 1615-6519-50 |
| 1615094100 | STOP BUTTON | 1615-0941-00 |
| 1614992080 | VALVE-OIL STOP | 1614-9920-80 |
| 1614918580 | VALVE-OIL STOP | 1614-9185-80 |
| 1614647480 | VALVE-OIL STOP | 1614-6474-80 |
| 1202800581 | VALVE-OIL STOP | 1202-8005-81 |
| 1202800581 | VALVE-OIL STOP | 1202-8005-81 |
| 1202800580 | VALVE-OIL STOP | 1202-8005-80 |
| 1202800580 | VALVE-OIL STOP | 1202-8005-80 |
| 1202644580 | VALVE-OIL STOP | 1202-6445-80 |





















Halisam –
Highly reliable.
Perfect genuine replacement! Our compressor was leaking oil and thisoriginal valve assembly solved the problem immediately. Easy installation, perfect fit. Will definitely purchase from this seller again for our fleet’s needs.