The Kleinn Model 52831 is a heavy-duty, 1/4" inline check valve engineered to maintain consistent pressure and prevent air backflow within your onboard air system. Featuring a durable brass construction that resists corrosion and wear, this valve is designed with a 1/4" Female NPT inlet and a 1/4" Male NPT outlet for straightforward integration into your plumbing lines. By ensuring that compressed air flows strictly in a one-way direction, it effectively isolates the air tank from the compressor, reducing strain on the compressor head and preventing premature system pressure loss.
Installation InstructionsInstallation Instructions
⚠️ California Proposition 65 Warning:
This product may expose you to chemicals known to the State of California
to cause cancer or reproductive harm.
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Price Match Guarantee:
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We reward enthusiasts who trust us with their major projects. Use these tiered codes at checkout to apply instant savings to your order:
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Fitment Guarantee:
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Avoid the headache of the wrong part. If you are unsure about compatibility, contact us first. If we verify the fitment for your vehicle via email and it doesn’t fit, we will handle the exchange at no cost to you.
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Direct Consultation:
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Secure Shipping:
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Unused items in brand-new, original packaging can be returned within 30 days. While standard refunds incur a 25% restocking fee, we will waive this fee entirely if you choose store credit or an exchange for your next upgrade.
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Exclusions:
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To ensure every customer receives brand-new, untampered components, parts that have been installed, modified, or used are non-returnable. Custom builds, special orders, and wheel/tire packages are considered final sale.
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Need assistance? Reach out via our
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Fitment Guarantee
Fitment guides and tools are helpful—but your car is unique! Some trims and options aren’t always listed, so if you want 100% confidence that a part will fit, our team is happy to double-check for you. We take the guesswork out of your purchase by standing behind our expertise.
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Verify Your Build:
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Our Promise:
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When we confirm a fitment in writing and it doesn’t work for your application, we cover the return shipping and exchange it at no cost to you.
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