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Summary

HiFi Filter SN 40578 Replaces the Donaldson P55-0668

HiFi Filter SN 40578
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Original HiFi Filter SN 40578 Replaces the Donaldson P55-0668

SN 40578
HiFi Filter
Donaldson P55-0668
Description

The genuine HiFi Filter SN 40578 Fuel Filter is HiFi's replacement to the Donaldson P55-0668.

Easy to install and replace, the SN 40578 is built to withstand demanding environments, offering long-lasting protection and reliability. Whether used in automotive, agricultural, construction, or industrial applications, this filter is an essential component for maintaining system health and performance.

Brand Selection
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Specification

StyleFuel Filter

Approved Product

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Donaldson Brand Logo

Same Fit-Form & Function

As the Genuine Donaldson P55-0668

ISO Icon

Inspected to ISO 9001:2015

See Our Certification
Returns Icon

Free 45-Day Returns

Return Policy
Warranty Icon

1 Year Manufacturer Warranty

Our Warranty
Specification
Efficiency 1
The efficiency of the element is shown using the Micron (µ) and Beta (β) ratings. The micron rating indicates the size of the particle being filtered and the beta rating the efficiency, calculated as 1/β.
E.g. a rating of β200 will be 99.5% efficient whereas β1000 would be 99.9%.
Efficiency 2
Style Fuel Filter
Outer Diameter
Inner Diameter
Length
Media Type
Flow Direction
Thread
Bypass Pressure

Bypass pressure relieve build-up of pressure within the system and allows medium to bypass the element when pressure increases and reaches a sufficient level.

Collapse Pressure
Seal
Temperature Range

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