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Atlas Copco 1089057591 is the pressure transducer that reports system pressure to the compressor controller. It is used on Atlas Copco rotary screw air compressors. This aftermarket version has the same mounting and electrical connector as the original, so it plugs in and bolts on where the old one came off.
Sold as one unit. Check the number on your old part, or in the parts manual for your machine, before ordering.
| Part Type | Pressure Sensor |
| Replaces | Atlas Copco 1089057591 |
| Type | Stainless steel pressure transducer with threaded process port and plug-in connector |
| Output | As on the original 1089057591, reads directly into the compressor controller |
| Also written as | 1089-0575-91 |
| Condition | New, aftermarket |
| Stat. HS-Code | 902620 |
| Atlas Copco Part No.(SPM Part No.) |
|---|
| 1089057591(SPM-ACP-2777) |
Wrong pressure reading or fault code
A failed transducer shows a pressure that does not match the gauge, reads zero or full scale, or puts a sensor fault on the controller. Check the plug and wiring first.
Compressor loads and unloads at the wrong pressure
The controller loads and unloads from this reading. A sensor that drifts makes the machine cycle at the wrong pressure or trip on high pressure.
Water or oil in the connector
A connector that has taken water corrodes and gives erratic readings. Replace the sensor and keep the new plug sealed.
Fitting tips
Isolate power and vent the line before unscrewing the sensor. Use a new sealing washer or thread sealant suited to the port, tighten on the hex only, and check the reading against a gauge after start up.
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 158.51 to 188.35 | 6 Oct 2026 |
| Filme Compressor | USD 199.00 | 6 Oct 2026 |
| Air Compressor Services | USD 257.00 | 6 Oct 2026 |
| Spare Part Mart | USD 126.81 | Today |
Our price of USD 126.81 is 20% to 51% 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 1089057591. 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 1089057591. Machines change parts between serial number ranges, so check the number on your old part or in your parts manual.
It has the same mounting and electrical connector as the original. Check the plug and terminals match your old part, and test it 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 postcode.
In USD for the quantity selected. The exact cost is confirmed at checkout.
