If your engine is guzzling oil, idling rough, or throwing check engine codes, a failing PCV system could be the culprit. These small valves and tubes manage crankcase pressure, and when they fail, they can cause big headaches. The right fix kit can save you from costly repairs and restore smooth performance.
This guide reviews nine top-rated PCV fix kits for popular GM and VW/Audi vehicles. Whether you need a complete intake manifold and valve cover kit or a simple diaphragm replacement, you will find the best option for your car and budget.
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Dorman Improved Design 615-380KIT Intake Manifold and Valve Cover Complete …
Best forComplete GM 1.4L system repair
- Includes manifold, cover, tube
- Redesigned to prevent failure
ConsiderPricey compared to basic kits
PCV Valve Replacement Kit with Tube for Chevy Cruze 1.4L 2016-2019
Best forDirect OEM fitment for GM models
- Complete 5-piece set
- Reinforced PA tubing
ConsiderNo extra seals included
PCV Valve Fit for Chevrolet Cruze Malibu L4 Turbocharged Gasoline Engine
Best forTurbocharged GM engine precision fit
- Precise fit for turbo engines
- High-quality ABS and metal
ConsiderLimited to specific models
5pcs PCV Valve & Tube Repair Kit Fits for Chevrolet Cruze Trax 1.4L, Malibu…
Best forComplete crankcase ventilation rebuild
- Includes seals and springs
- High-grade heat-resistant materials
ConsiderMay be overkill for minor issues
12640659 Engine PCV Valve Tube Kit Fit for Chevy Malibu Cruze Trax
Best forRestoring engine efficiency and perform…
- Complete 5-piece set
- Heat and oil resistant
ConsiderNo brand reputation
5pcs PCV Valve Tube Kit 12640659 12637666 12673862 Chevy Cruze 1.4L
Best forStopping excessive oil consumption
- Stops oil burning
- Includes all external components
ConsiderNo extra seals
5Pcs PCV Valve & Tube Repair Kit Fit for Chevy Cruze 1.4L 2016-2019, Trax 1…
Best forHeavy-duty durability for GM engines
- Premium heat-resistant materials
- Stops oil leaks and codes
ConsiderNo installation guide
Dorman 917-064 PCV Diaphragm Repair Kit Compatible with Select Audi / Volks…
Best forBudget VW/Audi diaphragm replacement
- Saves money on valve cover
- Includes cover, diaphragm, spring
ConsiderOnly for diaphragm issues
Pleoos PCV Valve Diaphragm Cover Repair Kit Compatible with VW Golf Jetta P…
Best forBroad VW/Audi model coverage
- Wide compatibility
- High-quality components
ConsiderVerify fitment before ordering
Dorman Improved Design 615-380KIT – Complete GM 1.4L Fix
The Dorman 615-380KIT is a comprehensive solution for the notorious PCV failure on GM 1.4L Ecotec engines. This kit includes the intake manifold, valve cover, and PCV tube assembly, addressing the entire system in one go. The manifold failure often leads to valve cover issues, and the PCV tube can break during removal, so having all three components is a smart move.
The redesigned intake manifold corrects the frequent PCV valve failure of the original design. This effective fix eliminates excessive oil consumption, irregular vacuum pressure, rough idle, and trouble codes. If you want a thorough repair that prevents repeat failures, this kit is your best bet.
- Includes manifold, cover, tube
- Redesigned to prevent failure
- Addresses all related components
- Pricey compared to basic kits
- Limited to specific GM models
DZFST.FI PCV Valve Kit – 5-Piece Direct Fit
The DZFST.FI PCV Valve Replacement Kit is a five-piece set that includes two PCV tubes and three valves, covering all common failure points. It is designed for Chevy Cruze 1.4L (2016-2019), Trax 1.4L (2019), Malibu 1.5L (2016-2024), and Buick Encore 1.4L. This comprehensive coverage helps reduce repeat repairs.
Built with reinforced PA tubing and durable PA66 valve construction, this kit withstands harsh engine conditions. It resolves check engine light, rough idle, vacuum leaks, and oil vapor leakage. If you need a direct OEM fitment with reliable materials, this kit is a solid choice.
- Complete 5-piece set
- Reinforced PA tubing
- Covers multiple GM models
- No extra seals included
- May not fit older models
LANDSIN PCV Valve Kit – Turbocharged Engine Fit
The LANDSIN PCV valve and tube repair kit is precision-engineered for Chevy Cruze 2016-2019 1.4L and Malibu 2016-2024 1.5L turbocharged engines. It replaces OEM codes 12640659, 12637666, 12673862, 12665644, and 12685407, ensuring a worry-free replacement experience.
Made from ABS rubber and metal, this kit withstands high engine temperatures for durability. It addresses engine malfunction light, rough idle, and other PCV-related issues. If you need a high-quality kit that fits turbocharged engines perfectly, this is a great option.
- Precise fit for turbo engines
- High-quality ABS and metal
- Replaces multiple OEM codes
- Limited to specific models
- No installation instructions
CHENHO 5-Piece PCV Kit – Complete Rebuild Solution
The CHENHO PCV Valve & Tube Repair Kit includes all necessary valves, tubing, seals, and springs to fully rebuild the crankcase ventilation system. It is compatible with 2016-2024 Chevy Cruze (1.4L), Trax (1.4L), and Malibu (1.5L) models. This complete solution ensures you have everything for a thorough repair.
Manufactured with high-grade, heat-resistant materials, this kit withstands extreme engine temperatures and vacuum pressure. It is an exact replacement for GM OE part numbers 12685407, 12637666, 12673862, 12665644, and 12640659. If you want a comprehensive rebuild kit with premium engineering, this is it.
- Includes seals and springs
- High-grade heat-resistant materials
- Exact OE replacement
- May be overkill for minor issues
- Fitment limited to 2016+ models
GUZIKO 12640659 PCV Kit – Restores Engine Performance
The GUZIKO Engine PCV Valve Tube Kit is a five-piece solution that includes three valves and two hoses, covering OE replacements 12640659, 12637666, 12673862, 12665644, and 12685407. It is designed to fix common problems like rough idle, increased oil consumption, oil leaks, and reduced performance.
Made from heat-resistant and oil-resistant materials, this kit performs reliably in high-temperature engine environments. It helps maintain proper internal pressure balance, promoting smoother engine operation. If you need a dependable kit that restores efficiency, this is a strong contender.
- Complete 5-piece set
- Heat and oil resistant
- Restores pressure balance
- No brand reputation
- May require careful installation
UMONIE 5-Piece PCV Kit – Fixes Oil Consumption
The UMONIE PCV Valve Tube Kit includes all five external PCV components: two tubes (12640659, 12673862) and three valves (12637666, 12665644, 12685407). It is a direct replacement for Chevy Cruze 1.4L 2016-2019, Trax 1.4L 2019, and Malibu 1.5L 2016-2024. This kit addresses the common issue of burning a quart of oil every 1,000-1,500 miles.
A failed PCV system can cause hissing sounds at idle and check engine codes P0171 and P0299. This kit restores proper crankcase ventilation, preventing those issues. If you are tired of adding oil frequently, this kit is designed to stop the problem.
- Stops oil burning
- Includes all external components
- Fixes codes P0171 and P0299
- No extra seals
- Limited to specific GM models
KITONLA 5-Piece PCV Kit – Heavy-Duty Materials
The KITONLA PCV Valve & Tube Repair Kit is precision-engineered for Chevy Cruze 1.4L (2016-2019), Trax 1.4L (2019), and Malibu 1.5L (2016-2024). It replaces GM OE numbers 12640659, 12637666, 12673862, 12665644, and 12685407, ensuring a drop-in fit that eliminates diagnostic trouble codes.
This kit stops oil leaks, rough idle, burning oil, check engine light, and poor fuel economy. Crafted from premium, heat-resistant polymers and high-grade rubber, it offers upgraded durability. If you want a heavy-duty kit that lasts, this is an excellent choice.
- Premium heat-resistant materials
- Stops oil leaks and codes
- Wide compatibility
- No installation guide
- May be pricier than basic kits
Dorman 917-064 Diaphragm Kit – Cost-Effective VW/Audi Fix
The Dorman 917-064 PCV Diaphragm Repair Kit is a cost-effective solution for VW and Audi models. Instead of replacing the entire valve cover, you only replace the failed diaphragm, saving money. This kit includes the cover, diaphragm, and spring, matching the original dimensions and function.
It is factory compatible and backed by Dorman’s team of engineers and quality control experts in the United States. If you have a VW or Audi with a failing PCV diaphragm, this kit offers a reliable, affordable repair. It is a smart choice for budget-conscious owners.
- Saves money on valve cover
- Includes cover, diaphragm, spring
- Factory compatible fit
- Only for diaphragm issues
- Limited to specific VW/Audi models
Pleoos PCV Diaphragm Kit – Wide VW/Audi Compatibility
The Pleoos PCV Valve Diaphragm Cover Repair Kit is compatible with a wide range of VW and Audi models, including Golf, Jetta, Passat, GTI, Beetle, Tiguan, and Audi A3-A7, Q5. It replaces OEM numbers 917-064, 07K103469F/G/L/M, and 06H103495AC/AH/E. This makes it a versatile option for many owners.
Made with precision elements and high-quality components, this kit ensures stability and durability for reliable performance. It matches the original vehicle’s performance and is easy to install. If you need a diaphragm kit with broad compatibility, this is a great pick.
- Wide compatibility
- High-quality components
- Easy installation
- Verify fitment before ordering
- No spring included
Buyer’s Guide: What to Consider
Choosing the right PCV fix kit depends on your vehicle, the symptoms you are experiencing, and the extent of the repair needed. This guide helps you understand key factors to make an informed decision.
- Vehicle Compatibility: Always verify that the kit matches your exact make, model, and engine size. Many kits are specific to certain years and engine types, so double-check the fitment list before purchasing.
- Kit Completeness: Consider whether you need just a valve, a diaphragm, or a full set with tubes and seals. Complete kits save time and prevent repeat failures, but basic kits are cheaper if only one part is bad.
- Material Quality: Look for kits made from heat-resistant and oil-resistant materials like PA66 or reinforced polymers. These withstand engine temperatures and last longer, especially in turbocharged engines.
- OEM Replacement Numbers: Check that the kit replaces the original equipment part numbers for your vehicle. This ensures a proper fit and function, avoiding issues with aftermarket parts that may not match exactly.
- Symptoms Addressed: Identify your symptoms, such as rough idle, oil consumption, or check engine codes. Choose a kit that specifically addresses those issues, whether it is a diaphragm replacement or a full tube and valve set.
Conclusion
PCV failures are common in GM 1.4L and VW/Audi engines, but the right fix kit can resolve them quickly and affordably. For GM owners, the Dorman 615-380KIT offers a complete solution, while the DZFST.FI and CHENHO kits provide excellent value for targeted repairs. VW/Audi owners can save money with the Dorman 917-064 or enjoy broad compatibility with the Pleoos kit.
Consider your vehicle’s specific needs and the symptoms you are facing. Whether you need a full system rebuild or a simple diaphragm replacement, there is a kit on this list that will get your engine running smoothly again.
Erica Steven is the founder and lead writer of WorstBrands, a site dedicated to providing honest and trustworthy reviews about outdoor gear and fashion products.
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