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  • More than 1,400 critical EVAP components for import and domestic applications
  • EVAP components are precision-engineered and tested for flawless performance
  • Our engineers improve on OE flaws for better performing, longer lasting EVAP components

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A Closer Look: Evaporative System Integrity Module (ESIM)

Design improvements you've come to expect from NAPA® Echlin® engineers.

Canister Purge Solenoid

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    Hi-grade materials protect against the extreme temperature changes of underhood applications

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    OE Design

    OE/Competitor flawed plunger & substandard membrane is prone to leaking, leading to product failure for GM (2019-12) applications

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    The NAPA® Echlin® Design

    Our engineers solved the OE problem. Our 2-283727 delivers a stronger plunger design, eliminating the flimsy OE membrane and preventing valve leakage

Canister Vent Solenoid

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    Superior resistance to environmental influences due to proprietary one piece molding technique 

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    Products are 100% tested in production 

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    High-temperature Viton O-rings to prevent leaking 

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    Manufactured in ISO 14001 and IATF 16949-certified facilities

Professional EVAP Installation Videos

View more helpful videos like this from our award-winning training team

NAPA Echlin YouTube Channel

Tech Tip: Consequences of a leaking canister purge valve...

A leaking canister purge solenoid leads to a failure to regulate the fuel vapor flow, poor fuel efficiency, rough engine starting and running, failure to pass emission test, and OBD EVAP code.

Comprehensive EVAP Coverage to Keep Vehicles Running Clean

ESIM (Evaporative System Integrity Module)

The ESIM is a key component of the EVAP system detecting pressure differences across a variety of conditions

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Canister Purge Valves

NAPA® Echlin's canister purge valves are designed to look, fit, and perform like the original they replace

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Fuel Vapor Canisters

We lead the market with high-quality fuel vapor canisters built from industrial-grade materials for robust performance and extended service life

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Canister Vent Valves

Manufactured using the highest-quality materials to withstand extreme conditions, and extensive testing for continued reliability

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Canister Vent Solenoids

100% tested with superior resistance to environmental influences due to proprietary one-piece molding

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Canister Purge Solenoids

Manufactured at our IATF 16949-certified facility, NAPA® Echlin® direct-fit canister solenoids feature premium quality connectors and terminals for proper fit, form and function

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Leak Detection Pumps

A full line of direct-fit, premium quality leak detection pumps

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For more than 100 years, when the OE failed, technicians trusted NAPA® Echlin® deliver a part that’s equal
to or better than the original it’s replacing.

Learn more about our