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Spring, DUO 125 – Pfeiffer DUO, Part# 490071

Name: Spring, DUO 125 - Pfeiffer DUO, Part# 490071
Brand: Pfeiffer
SKU: 23543
Availability: InStock

Spring, 54 mm Long, DUO 255m, Pfeiffer, DUO, Part# 490077

$46.06

Vane, Rietschle, VTN 10, Rietschle, Dry Rotary Vane, Part# 513455

Spring, DUO 255m, Pfeiffer, DUO, Part# 490076

$41.58

$32.48

This spring (Part #490071) is a replacement part made for Pfeiffer vacuum pumps. Despite the name “DUO 125” in the title, this specific spring is designed to fit the Pfeiffer DUO 255M (Index C) model . Springs are small but important parts inside your pump. They provide the right tension and force to keep other components working together smoothly. If you are rebuilding your DUO 255M pump or fixing a performance issue, this is the correct spring

Spring, DUO 125 - Pfeiffer DUO, Part# 490071 quantity

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Spring, DUO 125 - Pfeiffer DUO, Part# 490071
$32.48
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Spring, DUO 125 - Pfeiffer DUO, Part# 490071
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This spring is made for this specific Pfeiffer pump model:

DUO 255M (Index C)

Please double-check your pump’s model tag before ordering. Look for “DUO 255M” and the “Index C” marking. If you have a different pump model, you may need a different spring.

If you are working on a Pfeiffer pump, you might see several different spring part numbers. Here is how they compare:

Part Number	Compatible Pump Model(s)
490071	DUO 255M (Index C)
490069 (Vane Spring)	DUO 120A, DUO 125
490070	DUO 125

Make sure you are ordering the correct spring for your specific pump. When in doubt, check your pump’s manual or look at the old part you are replacing.