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Atlas Copco 2906039200 is the overhaul kit for the inlet (unloader) valve. It is used on Atlas Copco rotary screw air compressors. This aftermarket version is made to the same mounting and connections as the original, so it fits where the old one came off.
Sold as one complete set. Check the number on your old part, or in the parts manual for your machine, before ordering.
| Part Type | Unloader Valve Overhaul Kit |
| Replaces | Atlas Copco 2906039200 |
| Type | Inlet (unloader) valve overhaul kit |
| Contents | Bushes, seals, shafts, circlip and fasteners, as pictured |
| Condition | New, aftermarket |
| Stat. HS-Code | 848490 |
| Atlas Copco Part No.(SPM Part No.) |
|---|
| 2906039200(SPM-ACP-2779) |
Compressor slow to load or unload
Worn bushes and seals let the valve stick part open or shut. The kit restores smooth movement without buying a new valve.
Oil blowing back into the air filter
A worn inlet valve seal lets oil mist escape into the intake when the compressor stops. New seals close it off.
Planned overhaul
Many service plans overhaul the inlet valve at set running hours, often with the separator change, to avoid a breakdown later.
Fitting tips
Vent the compressor fully, photograph the valve before stripping it, clean the bores, lubricate the new seals with compressor oil and check the valve moves freely before refitting.
We check what other aftermarket sellers charge for this same part. Their prices on the date we checked:
| Seller | Price | Checked |
|---|---|---|
| eBay (4 aftermarket sellers) | USD 251.86 to 269.00 | 6 Oct 2026 |
| Spare Part Mart | USD 201.49 | Today |
Our price of USD 201.49 is 20% to 25% less than these sellers.
Found this part cheaper somewhere else? Send us the listing and we will beat it by 5% under our Price Beat Guarantee. Every order is also covered by our 30 day money back guarantee.
No. It is an aftermarket part made to fit in place of Atlas Copco 2906039200. It is not made by or affiliated with Atlas Copco; the Atlas Copco part number is used only to show what it replaces.
It fits machines that take Atlas Copco 2906039200. Machines change parts between serial number ranges, so check the number on your old part or in your parts manual.
It is made to the same mounting and connections as the original part. Fit new gaskets and seals where they are used, and check for leaks and correct operation before putting the machine back to work.
Yes, we ship worldwide. Shipping is calculated at checkout, and every order is covered by our 30 day money back guarantee and price beat guarantee.
Prices depend on your ZIP or postcode.
Live rates for the quantity selected, delivered to your door. Confirmed at checkout.
