OK-445 Devair Overhaul Kit OK-445 fits 445 Series Pump

The OK-445 Overhaul Kit is a complete rebuild kit for select DeVair, DeVilbiss, and DV Systems reciprocating air compressor pumps. This comprehensive overhaul kit includes the essential internal components needed to restore compressor pump performance during major service or a full pump rebuild.

Over time, internal compressor components such as piston rings, gaskets, valves, and bearings can wear due to heat, pressure cycles, and continuous operation. The OK-445 compressor overhaul kit provides the replacement parts needed to restore proper compression, improve pump efficiency, and extend your compressor’s service life.

Key Features

• Direct replacement overhaul kit for DeVair OK-445

• Complete compressor pump rebuild kit

• Restores compression, sealing, and pump performance

• Ideal for major compressor maintenance and pump overhaul

Fits These Compressor Pumps

The OK-445 overhaul kit is designed for use with the following compressor pump models:

• DeVair 445 pump

• DV Systems 445 pump

Components Included in the OK-445 Overhaul Kit

The OK-445 compressor overhaul kit typically includes the essential internal components required for a full pump rebuild, including:

• 4 x Connecting Rod Insert Bearings - 445-474

• 2 x Standard Size Ring Kit - KK-9805

• 1 x Oil Seal - 445-111

• 1 x Gasket Set - 45875-011

• 2 x Valve Repair Kit - VRK-643

OK-445 Overhaul Kit for Devair 445 Series Air Compressor pumps rebuild kit consist of the Gasket kit, Piston Ring kit, intake filter element, insert bearings, oil seal vlve discs and springs.

The kit contains everything needed to rebuild the entire pump, both heads.
Valve guides are not included.

This OK-445 kit was made to be compatible with all 445 Series Devilbiss and Devair industrial air compressor pumps and includes the following kits.

1) 45875-0111 Complete Gasket Kit
2) VRK-643 Valve Repair Kit
2) KK-9805 StandArd Ring Kit
1) 445-111 Oil Seal
4) 445-474 Connecting Rod Inserts "Standard"