Details

• Brand:

  

• SKU:

  6503543

• Other Names:

  Hex Head Bolt And Coned Washer, Mounting, 06503543, Bolt And Coned Washe

• Description:

  Ensure the mechanical permanence and structural safety of your vehicle’s most critical assemblies with the Genuine Mopar Hex Head Bolt and Coned Washer (6503543).
  In high-stress automotive applications, a bolt is more than just a threaded rod—it is a reservoir of stored energy. While standard hardware store bolts lack the specific metallurgy to handle "dynamic loading," this authentic OEM assembly is engineered to provide a constant, high-tension clamp that resists the loosening effects of thermal expansion and heavy chassis vibration.

  The Genuine Mopar Distinction

  • Integrated Coned Washer Technology: Unlike standard flat washers that can deform under pressure, the specialized coned (Belleville) washer acts like a heavy-duty spring. It maintains "live" tension against the fastener, compensating for the natural settling of components to ensure the bolt never loses its grip.
  • Engineered Tensile Resilience: Manufactured from a proprietary steel alloy designed for high-stress environments. It offers the perfect balance of hardness and ductility, preventing the "brittle snaps" that often occur when using low-tier aftermarket hardware in load-bearing roles.
  • Vibration-Proof Thread Geometry: Features factory-spec rolled threads that provide superior fatigue resistance. This design creates a tighter, more secure interface with the mating threads, effectively locking the bolt in place even under extreme harmonic resonance.
  • Superior Corrosion Shielding: Coated with a specialized factory finish designed to survive the harshest road conditions. This prevents the "galvanic corrosion" that causes fasteners to seize or rot, ensuring that future maintenance remains straightforward and damage-free.
  • Micro-Calibrated Head Design: The hex head is machined to exact tolerances for a slip-free fit with your tools, preventing the rounded corners and "stripped head" frustrations common with generic, soft-metal hardware.

  Don’t risk a critical component failure by relying on "good enough" hardware. Protect your vehicle’s structural integrity with the only fastener assembly validated and approved by the original equipment manufacturer.

• Condition: New
• Notes: Engines: 8.3l v10 sfi engine. All 8.0l v10 engines. All 5.9L & 6.7L Diesels Engines. 5.9l i6 ho cummins td engine. 6.7l i6 cummins turbo diesel engine. 2.4l i4 dohc 16v smpi engine. 3.3l v6 ohv engine. 3.3l v6 ohv ffv engine. 3.5l v6 high output 24v mpi engine. 3.8l v6 ohv engine.
  Transmissions: All auto trans (do not use 2010+). 6-spd auto aisin as68rc transmission. Automatic 48re transmission. 6-spd automatic 68rfe transmission.
• Applications: 44. 4x2 FWD. 4x4. Unknown 4x4. 4x4. 4x4 4x2 RHD. 5-Passenger 4x2. 5-Passenger 4x4. 7-Passenger 4x2. 7-Passenger 4x4. 4x4 Mega Cab 4x2. 4x4 Quad Cab 4x2 Long Wheelbase. 4x4 Quad Cab 4x2 Short Wheelbase. 4x4 Regular Cab 4x2.

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