PCV Valve for Mazda 3 5 6 MX-5 Miata Sport L32513890A
OEM number L32513890A restores proper engine breathability by routing crankcase blow-by gases back into the intake for complete combustion. A clogged or stiff positive crankcase ventilation valve traps pressurized vapors, which commonly leads to vacuum leaks, oil seepage around gaskets, blue-tinted exhaust smoke, and sluggish throttle response. This brand new replacement unit utilizes a precision-engineered plastic housing and an airtight internal mesh to maintain steady airflow under varying RPM loads, protecting your Mazda L4 engine from premature wear and fuel efficiency loss.
Benefits & Maintenance Tips
- Preserve Oil Longevity: Fresh PCF flow reduces moisture and acid byproducts in the crankcase, keeping oil viscosity stable between service intervals.
- Optimize Replacement Timing: Swap this component during routine spark plug or air filter changes to save labor time and prevent future vacuum-related diagnostic codes.
- Verify Post-Install Seals: Gently probe connecting hoses with soapy water after mounting to confirm no hidden cracks release unmeasured air into the boot.
Technical Specifications
- OEM Reference Number: L32513890A
- Construction Material: Engineering plastic
- Design Type: Hermetically sealed, compact inline assembly
- Condition: Brand new
- Verified Fitments: 2003–2008 Mazda 6 (2.3 L4), 2004–2009 Mazda 3, 2006–2010 Mazda 5, 2006–2013 MX-5 Miata/L4, 2010–2013 Mazda 3 (2.0 L4), 2012–2013 Mazda 3 Sport (2.0 L4)
Package includes:
- 1 × Replacement PCV Valve (OEM# L32513890A)
Installation Reminders
The compatibility list provided serves as a reference guide only. Always compare the molded part number on your existing component against L32513890A before purchase. Mismatched valves can disrupt factory tuning parameters and trigger check-engine warnings. Handle connectors gently and avoid overtightening fittings to preserve the airtight seal.
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