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Upgraded Version Overhaul Kit, Pfeiffer Uno 250a Pmk026 And More [xbs4yrF6]

$153.99 $492.99 -69%

General product classificationsBrandPfeiffer FamilyUNO Pump modelsUNO250A CategoryRepair Kits SubcategoryOverhaul Kits Country of originUS Part number alternativesPKE02020-T PART NUMBERDESCRIPTIONQUANTITY490075Spring, Vane, DUO 250A/255M, Pfeiffer, P

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Upgraded Version Overhaul Kit, Pfeiffer Uno 250a Pmk026 And More [xbs4yrF6]

General product classifications

Brand Pfeiffer 
Family UNO 
Pump models UNO250A 
Category Repair Kits 
Subcategory Overhaul Kits 
Country of origin US 
Part number alternatives PKE02020-T 


PART NUMBER DESCRIPTION QUANTITY
490075 Spring, Vane, DUO 250A/255M, Pfeiffer, Part# 490075 2
583569633 Oil Sight Glass, Part# 583569633 1
520036 Ring Supporting-Pfeiffer DUO, Part# 520036 1
380050 Ring Seat, Valve, Pfeiffer, DUO, UNO, DUO250A, UNO250A, Part# 380050 1
300215 Gasket, Case, Cork, UNO/DUO 250A, Pfeiffer, Part# 300215 1
0512000116 Coupling,Spider,Rotex 55 1
300214 Gasket, ring, Pfeiffer, DUO, UNO, DUO250A, DUO255M(IndexC), UNO250A, Part# 300214 2
250031 Sleeve, Steel, DUO 250/255 & UNO 250, Pfeiffer, Part# 250031 1
390024 Buffer, Valve, Safety, Pfeiffer, DUO, Part# 390024 1
580053 Valve Exhaust, 120A, 250A, 255M, Pfeiffer, DUO, UNO, Part# 580053 3
440055 Spacer, UNO/DUO250, Pfeiffer, DUO, UNO, Part# 440055 1
230094 Vane, Pfeiffer, DUO, DUO255M(Index), Part# 230094 2
310152 Seal, Shaft, Single Lip, Pfeiffer, DUO, UNO, Part# 310152 2
4070259 O-ring, 15 x 2.5 mm - Viton, Part# 4070259 3
4070088 O-ring, 6 x 2.2 mm - Viton, Part# 4070088 7
4070333 O-ring, 19 x 2.5 mm - Viton, Part# 4070333 2
4070420 O-ring, 24 x 2.5mm - Viton, Part# 4070420 5
PL23970504 O-ring, 55 x 5 mm - Viton, Part# PL23970504 2
4070621 O-ring, 38 x 3.0mm - Viton, Part# 4070621 4
320538 O-ring, 85 X 5mm - Viton, Part# 320538 1
PL23970419 O-ring, 125 x 5 mm - Viton, Part# PL23970419 3
02106062 O-ring, 107.32 x 5.33mm - Viton, Part# 02106062 4
48656700 O-ring, 140 x 5 mm - Viton, Part# 48656700 1
PL23970129 O-Ring,Viton,65 X 5 MM Part# PL23970129 2
48655900 O-ring, 44 x 3 mm - Viton, Part# 48655900 1
320525 O-ring, 35x 5 mm - Viton, Part# 320525 2
4070542 O-ring, 32 x 3mm - Viton, Part# 4070542 2

What Our Customers Say

January 23, 2026

Absolutely no complaints!

It's a very high-quality, efficient tool.

- Leona R..

January 23, 2026

Absolutely no complaints!

It’s a very fine and impressive tool.

- Valonia D..

January 23, 2026

Absolutely no complaints!

A great product that is very useful.

- Giles F..

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