MOPAR ADAPTER PLUG O RING SMALL 68021352AA – Precision Sealing for Peak Engine Performance

Reliable Engine Sealing Starts with Genuine Mopar Quality

When it comes to vehicle maintenance, the smallest components often play the most critical roles. The MOPAR ADAPTER PLUG O RING SMALL 68021352AA is one such part—engineered for exceptional durability and precise sealing. Whether you’re servicing your Jeep, Dodge, RAM, or Chrysler, this OEM adapter plug O-ring delivers long-lasting performance where it counts most.

At AU 4×4 Solution, we understand that your 4WD or daily driver deserves the best. That’s why we stock the MOPAR ADAPTER PLUG O RING SMALL 68021352AA, a factory-original part built to maintain proper system pressure, prevent fluid leaks, and ensure your engine performs flawlessly in both off-road and on-road environments.

What is the MOPAR ADAPTER PLUG O RING SMALL 68021352AA?

This Mopar adapter plug O-ring is a small but critical seal that fits snugly between adapter plugs and surrounding engine or transmission components. It’s designed to prevent oil, coolant, or transmission fluid from leaking through vulnerable connection points.

Part Number: 68021352AA
Category: Engine Gasket / Adapter Plug Seal
Brand: Mopar (Genuine OEM Part)

Why You Need the MOPAR ADAPTER PLUG O RING SMALL 68021352AA

The MOPAR ADAPTER PLUG O RING SMALL 68021352AA may be compact in size, but its role in your engine’s functionality is massive. From preventing messy oil leaks to avoiding low-pressure warnings, this O-ring is integral to engine protection and performance. Engine bay temperatures can get extreme, especially in high-demand applications like towing or off-road driving, which makes heat-resistant sealing a must.

Replacing a worn-out or cracked O-ring with this OEM Mopar seal ensures:

• Leak-free operation

• Extended engine life

• Improved reliability

• Lower maintenance costs

• A direct-fit installation without hassle

Key Features of MOPAR ADAPTER PLUG O RING SMALL 68021352AA

• Genuine Mopar Quality: Manufactured to factory specs for exact fit and performance.

• Part Number: 68021352AA – OEM-certified replacement part.

• Heat & Pressure Resistant: Designed for high-temp and high-pressure environments.

• Superior Sealing Performance: Prevents oil, coolant, and other fluid leaks.

• Compatible with Multiple Models: Fits select Jeep, RAM, Dodge, and Chrysler vehicles.

• Durable Construction: Built from premium rubber compounds.

• Easy Installation: No modifications required; seats perfectly into the adapter groove.

• Ideal for Off-Road & 4×4 Use: Withstands rugged driving conditions and vibration.

Applications & Compatibility

The MOPAR ADAPTER PLUG O RING SMALL 68021352AA is widely used in:

• Engine oil system connections

• Transmission cooling circuits

• Coolant bypass and thermal management systems

• Various adapter plug interfaces

It’s a direct-fit solution for a variety of vehicles across the Mopar family, including:

• Jeep Grand Cherokee, Wrangler, Compass

• Dodge Ram 1500, Challenger, Charger

• Chrysler 300, Pacifica

• RAM ProMaster and RAM 2500/3500

Installation Tips for MOPAR ADAPTER PLUG O RING SMALL 68021352AA

Installation of the 68021352AA O-ring is simple, yet precision is key. Follow these steps for a leak-proof result:

1. Clean the Surface: Remove any residue or contaminants from the mating surfaces.

2. Lubricate the O-Ring: Apply a light coating of clean engine oil or O-ring-compatible lube.

3. Avoid Twisting or Stretching: This could lead to improper sealing or premature wear.

4. Align Carefully: Ensure the O-ring is properly seated in its designated groove before assembly.

5. Torque Appropriately: Follow OEM torque specs to prevent over-compression or crushing

Engine Protection Starts with Proper Sealing

In modern engines, fluid control and pressure stability are everything. One minor leak at an adapter plug could lead to a cascade of issues—from loss of performance to engine overheating or low oil pressure. The MOPAR ADAPTER PLUG O RING SMALL 68021352AA offers an inexpensive yet high-impact solution to these potential problems.

Ideal for high-performance driving, heavy-duty towing, or weekend off-roading, this O-ring is engineered to perform under the toughest conditions.

Trust AU 4×4 Solution – Your Genuine Mopar Parts Supplier

At AU 4×4 Solution, we provide only genuine OEM parts—no imitations, no compromises. When you shop with us, you’re choosing quality, reliability, and long-term engine health.

Why choose us?

•  Competitive pricing on Mopar engine components

•  Fast, Australia-wide shipping

• Expert support for parts selection and compatibility

• Trusted by 4WD professionals and enthusiasts

FAQs – MOPAR ADAPTER PLUG O RING SMALL 68021352AA

1. What is the purpose of this O-ring?

It seals the connection between adapter plugs and engine or transmission components to prevent fluid leaks and maintain system pressure.

2. How do I know if mine needs replacing?

Common signs include oil or coolant leaks, visible cracks or hardening of the O-ring, or pressure drops in engine systems.

3. Will this O-ring fit my Jeep or RAM?

It fits a wide range of Jeep, RAM, Dodge, and Chrysler vehicles. Check your manual or contact AU 4×4 Solution to confirm.

4. Can I install it myself?

Yes, it’s a relatively simple task if you’re comfortable with basic engine maintenance. However, professional installation ensures perfect sealing.

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Key Features:

• Genuine Mopar part number: 68021352AA

• OEM-quality sealing performance

• Made from high-grade rubber for heat/oil resistance

• Prevents engine oil or coolant leaks

• Fits select Jeep, RAM, Dodge, and Chrysler vehicles

• Easy to install with perfect fitment

• Backed by Mopar’s quality assurance

• Ideal for 4×4, off-road, and heavy-duty engine applications

  Conclusion – Dependable Engine Sealing with MOPAR 68021352AA

  The MOPAR ADAPTER PLUG O RING SMALL 68021352AA may be small, but its impact on your engine’s performance and longevity is significant. Designed to OEM standards, this genuine Mopar part provides exceptional sealing, resists heat and pressure, and fits seamlessly into your vehicle’s system. Whether you’re driving on the highway or taking on rugged off-road tracks, this O-ring keeps your engine protected from leaks and maintains optimal pressure where it matters most.

  Trust AU 4×4 Solution for high-quality, OEM Mopar parts like the 68021352AA, and keep your Jeep, RAM, Dodge, or Chrysler performing at its best.

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