Details

• Brand:

  

• SKU:

  53021031

• Other Names:

  Plug

• Description:

  Includes Item # 11 O-Ring. Accel cable delete. Cylinder Head-Includes O-Ring. With O Ring.

  This Genuine Mopar Access Hole Plug (53021031) is the precision-engineered environmental barrier designed to seal your engine block or transmission housing from the destructive intrusion of road debris, moisture, and grime. While a "universal" hardware-store plug might fit the hole, it lacks the specialized thermal-resistant properties required to survive the high-heat, high-vibration environment of a modern powertrain.

  The Advantage That Sets You Apart

  • Hermetic "Dry-Seal" Protection: Unlike generic plastic caps that can warp or shrink over time, this Mopar plug is engineered to maintain a 100% airtight and watertight seal. It prevents the "hidden" internal corrosion of flywheels, torque converters, or internal gears that occurs when salt-spray and condensation enter an unsealed housing.
  • High-Temp "Shape-Memory" Elastomer: Crafted from a proprietary, oil-resistant rubber compound designed to thrive in the "heat-soak" zone of your drivetrain. It remains supple and maintains its sealing tension through thousands of thermal cycles, preventing the brittle-cracking common with "economy" vinyl replicas.
  • Acoustic Vibration Damping: This isn't just a dust cover; it acts as a primary baffle against mechanical harmonics. Its specific durometer (hardness) helps neutralize the high-frequency "whirring" and "buzz" that can escape from open access ports, preserving your cabin’s quiet, refined atmosphere.
  • Precision "Snap-Lock" Geometry: Designed by the original manufacturer to lock into your specific casting with a rock-solid, "zero-play" seat. This ensures the plug won't vibrate loose or be blown out by internal pressure—a frequent failure point with non-genuine "multi-fit" plugs.
  • Chemical-Grade Polymer Integrity: Formulated to resist the aggressive degreasers, engine oils, and road chemicals that cause unbranded rubber to swell and disintegrate. It ensures your access ports remain "serviceable," allowing for easy removal and re-installation during future inspections.
  • Mopar Certified Protection: Backed by a Mopar Limited Warranty, providing a level of structural accountability and nationwide dealership support that generic "junk-drawer" fasteners simply cannot offer.

  
  

• Condition: New
• Notes: Engines: All 4.7l v8 engines. 3.7l v6 engine. 4.7l v8 ffv engine. 4.7l v8 power tech engine. 4.7l v8 power tech ho engine. 4.7l v8 ffv engine. 4.7l v8 high output mpi engine. 4.7l v8 mpi engine.
• Applications: Jet 4x2. Jet 4x4. Edition 4x2. Edition 4x4. Signature Series Value Package 4x2. Signature Series Value Package 4x4. 4x2. 4x4. 70th Anniversary 4x2. 70th Anniversary 4x4. 5-Passenger 4x2. 5-Passenger 4x4. 7-Passenger 4x2. 7-Passenger 4x4.

WARNING: California Proposition 65

×

California Proposition 65

WARNING: Cancer and reproductive harm - www.P65Warnings.ca.gov