What the 1616677081 reference identifies
Atlas Copco 1616677081 identifies the genuine O.F.S. E-21 HP compressor element. It is presented as an oil-free screw for stationary compressors. As a compression-system assembly, the product is selected by its original identity together with the drive, mounting and connection configuration. Documented reference families include ZT55, ZT75; Aisipu matches the quotation to the applicable machine build.
Buyers may search for this reference as HP compressor element, air compressor air end, compressor element or compressor head. These terms help locate the part, but the complete Atlas Copco number remains the primary ordering identity.
How to verify the 1616677081 HP compressor element
Atlas Copco 1616677081 O.F.S. E-21 HP Element is a genuine Atlas Copco oil-free compressor element or stage. Selection combines the stage position, element code, drive interface, cooling arrangement and compressor build.
Match all ten digits on the old unit, service record, invoice or Atlas Copco parts reference.
O.F.S. E-21 is reviewed together with the complete part number.
Documented reference families include ZT55, ZT75; the quotation is aligned with the machine build.
Low- or high-pressure stage identity, Element or service-stage code, Gear and drive interface are reviewed as part of the selection process.
O.F.S. E-21 identifies the element or stage family used for this reference.
Gear, shaft and bearing arrangement are matched with the oil-free compressor build.
Air and cooling interfaces are reviewed with the removed stage and machine record.
1616677081 selection focus
The product-specific catalog focus for this reference is e-21 hp-stage and zt55/zt75 fitment. Aisipu uses this scope to align the original part identity with the applicable compressor build and the physical configuration of the removed unit.
- Identity anchor
- O.F.S. E-21 air-end identity
- Machine context
- ZT55, ZT75
- Reference relationship
- Product role: HP compressor element; family context: ZT55 · ZT75
- Low- or high-pressure stage identity
- Element or service-stage code
- Gear and drive interface
- Cooling and air connections
- Machine model and serial range
Confirm the exact original part number for the machine
1616677081 and O.F.S. E-21 form the primary product identity on this page. Both references are used when preparing the written quotation.
ZT55 · ZT75
A series name narrows the search but does not replace the machine serial-number check.Send the compressor model, serial number, full old-air-end label and photos of the drive end, mounting feet and pipe connections. These details help us confirm the correct genuine Atlas Copco part and applicable production revision.
See the complete verification guide →These official resources can provide an additional manufacturer-side reference for the part number or parts-identification process.
Original 1616677081 supply from Aisipu
Aisipu is an authorized Atlas Copco supplier. Quotations for this reference identify the genuine original Atlas Copco part number, quantity and commercial terms in writing so the order can be checked before payment and shipment.
The accepted quotation and invoice state the complete Atlas Copco reference.
Product identity and available labels can be reconfirmed before dispatch.
The warranty period starts from the shipment date shown on the shipping or invoice record.
1616677081 price, availability and worldwide shipping
The current price is supplied by quotation rather than shown as a fixed online figure. Availability, order quantity, destination and shipping method can change the final commercial offer. Send the required quantity and delivery country to receive a current written quotation.
No numerical price is inserted into the page or structured data unless it is a current, orderable offer. This prevents an expired figure from misleading buyers.
Information to prepare for a useful quotation
Old unit: complete part number, air-end code and readable nameplate photo
Compressor: model, serial number, pressure version and drive arrangement
Visuals: shaft, flange, mounting feet, ports and all connection points
Commercial: quantity, destination country, preferred shipping method and deadline
