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Inspected Engine Components

Stop the Leaks with Used OEM Valve Covers

Oil in your spark plug wells? We provide fully inspected, warp-free rocker covers and valve housings that are guaranteed to fit. Save hundreds over dealer prices while restoring your engine's seal.

Surface Flatness Test

Each cover is checked against a straight-edge to ensure it isn't warped from engine heat.

Sludge-Free Audit

Internal baffles are inspected to ensure they are clean and free of excessive carbon buildup.

Tested used OEM valve cover with clean sealing surfaces

Genuine Replacement Rocker Covers for All Makes

A leaking valve cover is more than just a mess—it's a potential fire hazard and a source of vacuum leaks that cause poor engine performance. At Falcon Car Parts, we specialize in genuine used valve covers that maintain the original factory PCV (Positive Crankcase Ventilation) design.

Every used cylinder head cover we ship is salvaged from low-mileage donor vehicles. Our technicians verify that all mounting points are intact and that the plastic or magnesium housing hasn't become brittle, providing a durable and affordable sealing solution.

  • Crack Detection: We check for hairline fractures around high-stress bolt areas.
  • PCV Passage Audit: Integrated ventilation valves are checked for proper airflow.
  • Clean Mating Surface: Surfaces are cleaned to ensure a smooth seat for your new gasket.

Fast Shipping for Used Engine Parts in NJ

Based in Clifton, NJ, Falcon Car Parts is your local source for used valve covers in New Jersey. We understand that engine leaks require immediate attention to prevent damage to alternators and wiring, which is why we offer expedited processing.

Serving Newark, Jersey City, Paterson, and the entire Tri-State area with reliable, VIN-matched OEM parts.

Clifton, NJ Pickup

Visit our facility for same-day parts pickup and save on shipping!

Valve Covers for Every Configuration

From lightweight 4-cylinder covers to complex dual-bank V8 rocker covers, we have the inventory to match your VIN.

Reinforced Polymer Covers

Lightweight OEM plastic covers designed for modern efficiency and integrated PCV systems.

Aluminum & Magnesium

Durable metal alloy rocker covers for high-performance and heavy-duty truck applications.

Spark Plug Tube Seals

Integrated tube seals are verified for roundness and sealing integrity to prevent well leaks.

Our 6-Point Quality Audit for Valve Covers

Preventing oil leaks is our priority. Every used valve cover undergoes this strict inspection:

  • 1. Machinist Straight-Edge Test: We verify the mating surface is flat within factory tolerances to prevent oil seepage.
  • 2. Thread Integrity Check: All bolt holes and coil pack mounting points are checked for stripped or cross-threaded bores.
  • 3. Sludge & Carbon Audit: Internal baffles are inspected to ensure they aren't clogged with oil sludge from poor maintenance history.
  • 4. PCV Port Inspection: We ensure all vacuum nipples and PCV orifices are clear and have not been snapped off during removal.
  • 5. Thermal Fracture Search: Plastic housings are checked under bright lighting for hairline heat cracks often found in modern turbo engines.
  • 6. Degreasing & Pre-cleaning: Every cover is hot-tanked or solvent cleaned so it arrives ready for immediate installation.

Valve Cover Frequently Asked Questions

Used valve covers typically cost between $60 and $180 depending on the vehicle model and construction material.

Yes. You should always use a brand-new gasket set. Used gaskets are flattened and hardened by heat, making them unable to provide a reliable seal once disturbed.

Years of engine heat cycles make the polymer brittle. Over-tightening the mounting bolts or high crankcase pressure from a failed PCV valve are the most common causes of fractures.

Yes. If the cover is warped or the internal PCV valve fails, it can cause a vacuum leak. This often leads to 'lean' codes (like P0171) or engine misfire codes.

Aluminum or magnesium covers are more durable and resistant to warping, but they are generally more expensive and not interchangeable with plastic versions unless designed for that specific engine block.

This is caused by failed spark plug tube seals. In many modern OEM covers, these seals are non-replaceable and integrated into the cover, requiring the entire assembly to be replaced.

Not usually. Most covers are sold bare. We recommend swapping your current cap over to the replacement cover if the gasket on the cap is still pliable.

We place the cover on a calibrated surface plate and use a feeler gauge to ensure the mating flange is flat according to original equipment manufacturer specifications.

No. Valve covers are highly engine-specific. Even small changes in the year or displacement can mean different PCV port locations or bolt patterns. We use your VIN to ensure a 100% fitment match.

NJ customers typically receive their parts within 1-2 business days, or you can pick them up today at our Clifton location.