HomeEngine > Hardware, Fasteners and FittingsDorman 565-068 Engine Intake Manifold Expansion Plug
Part #: 565-068

Dorman 565-068 Engine Intake Manifold Expansion Plug

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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Dodge, 330, 440, 880, and Polara
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Reliable Brass Engine Intake Manifold Expansion Plug

The Dorman 565-068 engine intake manifold expansion plug is designed to provide a secure and durable seal for your vehicle's intake manifold. Crafted from brass, this cup-type expansion plug ensures a precise fit and long-lasting performance in various automotive applications.

  • Constructed from high-quality brass material for corrosion resistance
  • Maximum diameter of 1.644 inches and minimum diameter of 1.635 inches for accurate fitment
  • Cup-type attachment design for secure installation
  • Packaged as a set of 10 expansion plugs for multiple repairs
  • Compatible with a range of engine intake manifolds requiring this size plug

Durable Brass Material and Precise Dimensions

The Dorman 565-068 expansion plug is manufactured from brass, a material known for its strength and resistance to corrosion, making it suitable for engine environments exposed to heat and fluids. With a maximum diameter of 1.644 inches and a minimum diameter of 1.635 inches, this plug fits tightly into the intake manifold openings, preventing leaks and maintaining engine efficiency. The cup-type attachment ensures the plug remains securely seated under engine operating conditions.

Common Applications and Problem Solving

This engine intake manifold expansion plug is typically used in vehicles where the intake manifold requires sealing of unused ports or openings. It addresses several common issues, including:

  • Preventing coolant or air leaks from intake manifold openings
  • Sealing off damaged or unused intake ports
  • Maintaining proper engine vacuum and pressure balance
  • Reducing risk of engine overheating due to coolant loss
  • Ensuring engine performance consistency by preventing contamination

Installation Notes and Tips

When installing the Dorman 565-068 expansion plug, ensure the intake manifold surface is clean and free of debris. The cup-type design allows for a press-fit installation; use appropriate tools to avoid damaging the plug or manifold. Verify the plug diameter matches the manifold opening to ensure a tight seal. It is recommended to replace all worn or damaged plugs simultaneously to maintain uniform sealing.

Quality Assurance and Warranty

Dorman parts are engineered to meet or exceed OEM specifications, providing reliable performance for automotive repairs. The 565-068 expansion plug undergoes quality checks to ensure dimensional accuracy and material integrity. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship.

BrandDorman
Part Number565-068
Attachment TypeCup Type
MaterialBrass
Maximum Diameter1.644
Minimum Diameter1.635
Package Contents10 Expansion Plug Brass

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

EPC-149-B

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.