Sullair 250034-134 is the air/oil separator element used on Sullair TS20 and LS20S rotary screw compressors (TS20 series, LS20S-175, LS20S-200). On the LS20S it is the inner element and works with the outer element Sullair 250034-122. This aftermarket air/oil separator element is 350 mm (13.78 in) across the flange, 105 mm inside and 482 mm (18.98 in) high.
The separator strips the fine oil mist out of the compressed air leaving the oil tank, so the oil stays in the compressor and the air going to the line is clean. Every element is checked against the part number before it ships, and every order is covered by our
30 day money back guarantee, worldwide delivery and
price beat guarantee.
Technical properties & cross references
Specifications
| Part Type |
Compressor air/oil separator element |
| Replaces |
Sullair 250034-134 |
| Fits |
Sullair TS20 series, Sullair LS20S-175, Sullair LS20S-200 |
| Flange Diameter |
350 mm (13.78 in) |
| Inside Diameter |
105 mm (4 1/8") |
| Height |
482 mm (18.98 in) |
| Design |
Flanged drop-in element with gaskets |
| Stat. HS-Code |
842139 |
| Country of Manufacture |
China |
Compatible equipment
Sullair
TS20 seriesLS20S-175LS20S-200
Price beat guarantee
We check what other aftermarket sellers charge for this same part. Their prices on the date we checked:
| Seller |
Price |
Checked |
| eBay (10 aftermarket sellers) |
USD 140.99 to 215.01 |
9 Oct 2026 |
| FilterFinder Online |
USD 247.00 |
9 Oct 2026 |
| Air Compressor Services |
USD 355.00 |
9 Oct 2026 |
| Spare Part Mart |
USD 112.79 |
Today |
Our price of USD 112.79 is 20% to 68% 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.
Use cases & applications
Scheduled compressor service
Change the separator at the interval on the compressor's maintenance schedule, and sooner if oil carry-over rises or the separator pressure drop gets high.
Breakdown spares
Keep one on the shelf so a blocked air/oil separator element does not leave a Sullair compressor standing while parts are ordered.
Workshop and fleet stock
Hire fleets and workshops servicing several Sullair compressors can stock the element by its part number.
Frequently asked questions
Is this a genuine Sullair 250034-134?
No. It is an aftermarket air/oil separator element made to replace the Sullair 250034-134. It is not made by or affiliated with Sullair, and the part number is used only to show what it replaces.
Will it fit my compressor?
It replaces the element numbered 250034-134 (also written 250034134) on Sullair TS20 and LS20S rotary screw compressors. Check the number on the old element or in the compressor's parts list, or measure it: this one is 350 mm (13.78 in) across the flange, 105 mm inside and 482 mm (18.98 in) high.
When should I change the separator?
Change the separator at the interval on the compressor's maintenance schedule, and sooner if oil carry-over rises or the separator pressure drop gets high.
How do I fit it?
Stop the compressor and let all the pressure out of the oil tank. Take the cover off the separator tank, lift out the old element and clean both sealing faces. Fit the new element with new gaskets, keep the earthing staple in place against the gasket, refit the cover and tighten the bolts evenly in a cross pattern. Run the compressor and check for leaks.