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Engine Valve Cover Gasket Set for the 1981-1985 Dodge Challenger

Stop the burning oil smell and keep your Challenger's 2.6L engine running clean.

4 minutes to read 1981-1985 Dodge Challenger
Difficulty
2/5
Est. Time
1.5 hrs
DIY Doable?
✅ Yes
Shop Labor
$100-$200
⚠️ Drivable, but... — You can drive with a minor leak, but you should monitor your oil level closely and get it fixed soon to avoid making a mess or creating a fire risk.
Key Takeaways
  • The most common sign of failure is a burning oil smell caused by oil dripping onto the hot exhaust.
  • This is a simple, inexpensive, and DIY-friendly repair for the 2.6L engine.
  • OEM parts are not available; you will be choosing between aftermarket brands like Victor Reinz and Fel-Pro.
  • Always clean the mating surfaces thoroughly before installing the new gasket to ensure a proper seal.
The engine valve cover gasket is a seal that sits between the top of the engine's cylinder head and the valve cover. Its job is to keep motor oil sealed inside the top part of your engine. This oil lubricates important parts like the rocker arms and valves. The gasket prevents this oil from leaking out onto the hot engine block or exhaust manifold. It also protects your valvetrain from dirt and debris.

Is your Challenger leaving its mark?

A leaking valve cover gasket is one of the most common oil leaks on any engine, including the Mitsubishi-built 2.6L 4-cylinder in your 1981-1985 Dodge Challenger. Over time, the original gasket, likely made of cork or rubber, gets hard and brittle from engine heat and age. This causes it to shrink and crack, allowing oil to seep out.

Symptoms of a Failing Valve Cover Gasket

Catching a bad gasket early can save you from bigger messes and potential problems. Here’s what to look for:

  • Burning Oil Smell: This is the most obvious sign. Oil drips from the leaking gasket onto the hot exhaust manifold, where it burns off and creates a distinct, unpleasant smell that you might notice inside the car.
  • Visible Oil and Grime: Look at the seam where the metal valve cover meets the engine head. You will likely see wet, oily patches or a buildup of thick, greasy dirt where the oil has leaked and collected road grime.
  • Low Engine Oil: A persistent leak will cause your engine oil level to drop over time. You might find yourself needing to top off the oil between changes.
  • Rough Engine Performance: In some cases, oil can leak into the spark plug tubes. This can foul the spark plugs, leading to engine misfires, a rough idle, and poor performance.

A Note on Your Vehicle's History

Remember, the 1981-1985 Dodge Challenger is a rebadged import, built by Mitsubishi. It shares its 2.6L engine (often called the G54B) with vehicles like the Plymouth Sapporo and Mitsubishi Starion. When searching for parts or repair advice, using these names can sometimes yield more results.

Choosing the Right Aftermarket Gasket

For a vehicle of this age, finding original equipment (OEM) parts from a Dodge dealer is nearly impossible. The aftermarket is your primary source. While the prompt mentioned Victor Gaskets, it's important to know about all your options.

  • Victor Gaskets (Victor Reinz): This is a widely available aftermarket brand. However, owner experiences are mixed. Some mechanics and DIYers have reported success, while others have faced issues with gaskets leaking shortly after installation or having a poor fit that makes installation difficult.
  • Fel-Pro: Another major aftermarket gasket manufacturer, Fel-Pro, also produces a valve cover gasket set (Part No. VS 50146 R) for this engine. Fel-Pro is often well-regarded in forums for its quality and reliability.
Pro Tip: Given the mixed feedback on some brands, many owners prefer to use a trusted name like Fel-Pro for critical seals. Since the part is inexpensive, choosing the one with the better reputation may prevent you from having to do the job twice.

Estimated Replacement Costs

Replacing the valve cover gasket on this engine is a relatively simple job. The part itself is not expensive, and labor is minimal compared to more complex repairs.

Part/Service Estimated Cost
New Aftermarket Gasket Set $15 - $30
Shop Labor $100 - $200
Total Professional Replacement $115 - $230
DIY Cost (Part Only) $15 - $30

Cost estimates are approximate and can vary based on your location and the specific repair shop.

Frequently Asked Questions

Is this a difficult job to do myself?

No, for most DIY mechanics, this is a very manageable job. The 2.6L engine offers good access to the valve cover. The repair involves removing a few bolts, cleaning the surfaces, and installing the new gasket. It typically takes 1-2 hours and requires basic hand tools.

Do I need to use sealant with the new gasket?

Generally, modern rubber gaskets are designed to be installed dry. However, it is standard practice to apply a small dab of RTV silicone sealant at the corners or sharp bends, especially where the engine timing cover meets the cylinder head, to prevent small leaks in these critical areas. Always check the instructions that come with your specific gasket set.

Is a small valve cover leak a serious problem?

A small seep is not an immediate emergency, but it should not be ignored. The dripping oil can damage other rubber or plastic components, creates a fire hazard if it drips on the exhaust, and makes a mess of your engine and driveway. Fixing it is cheap and easy, so it's best to address it sooner rather than later.

Are there any recalls or TSBs for this issue?

No. Searches of the National Highway Traffic Safety Administration (NHTSA) database show no recalls or Technical Service Bulletins (TSBs) related to the engine valve cover gasket for the 1981-1985 Dodge Challenger.

Technical Specifications

Fits the 2.6L 4-cylinder SOHC 8-valve (G54B) engine. Gasket material is typically molded rubber.

Wrenchy
Article researched & written by
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Meet Wrenchy → Updated Apr 19, 2026

The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.

Year Coverage
This article covers the Engine Valve Cover Gasket Set for:
  • Dodge Challenger: 19811982198319841985
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