Does the Jeep Wrangler Exhaust Manifold fit a 2007-2009 Jeep Wrangler 3.8L?

Yes, the M-AUTO Exhaust Manifold Catalytic Converter Jeep Wrangler fits a 2007-2009 Jeep Wrangler 3.8L, provided the vehicle is a federal emissions model.

The Jeep Wrangler Exhaust Manifold is an OEM style replacement catalytic converter, which is a metal pipe housing that cleans exhaust gases before they exit the engine. Our comparison of the 2007-2009 Jeep Wrangler 3.8L options identified this unit as compatible because it matches the 52059930AH OE part number. It is constructed from stainless steel and features computerized mandrel-bends to maintain structural integrity. Because exhaust manifold converters sit close to the engine block, ensuring the manifold geometry aligns with your specific engine casting is vital to avoid port mismatches where the tubes do not align with the cylinder ports. This unit is EPA OBD-II approved but is not legal for use in California, New York, Colorado, or Maine emissions models. The unit weighs 38.6 pounds and is designed for a direct bolt-on fit on federal models.

What to Check Before Buying the Jeep Wrangler Exhaust Manifold

Before ordering this manifold, you must confirm specific fitment details to ensure the part functions correctly on your 3.8L engine.

  • Verify your vehicle is a federal emissions model, as this part is restricted from use in California, New York, Colorado, or Maine.
  • Confirm your engine block casting matches the 52059930AH OE part number to ensure the manifold seats without custom drilling.
  • Check for clearance regarding front bumpers or winches, as off-road accessories can interfere with the manifold’s physical footprint.
  • Verify if your setup requires a specific oxygen sensor spacer or a different sensor type to prevent a Check Engine Light.
  • Confirm the required welding procedure or “no-weld” requirements for the flange to prevent exhaust leaks under high heat.
  • Check if your current high-flow exhaust system creates flow dynamics that might conflict with the converter’s design.

Comparing the Jeep Wrangler Exhaust Manifold to Other Options

The Jeep Wrangler Exhaust Manifold serves as a direct replacement for the factory component, which is ideal for owners seeking to restore original emissions performance. If you are looking for a high-flow ceramic substrate to increase exhaust flow beyond stock levels, you may want to look at high-performance aftermarket converters instead. This stainless steel unit is designed for durability and standard flow, making it a different choice than those intended for extreme racing applications. For users who require specific modifications for non-standard engine builds, a custom-fabricated manifold might be necessary if your casting differs from the standard 3.8L configuration.

If you own a 2007-2009 Jeep Wrangler 3.8L federal emissions model and need a reliable, OEM-style replacement to restore your exhaust system, choose this product.

You should verify the M-AUTO unit’s EPA street compliance before making your final purchase.

M-AUTO Exhaust Manifold Catalytic Converter Jeep Wrangler

M-AUTO Exhaust Manifold Catalytic Converter Jeep Wrangler

3.5/5 from 17 buyer ratings

$249.88 price checked August 2026

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