JEEP OE 68421850AB Rear Engine Crankshaft Seal

( Brand: Jeep Oe ), ( Manufacturer Part Number: 68421850AB ), ( Part Type: Seal Engine Crankshaft ), ( Product Type: Engine ), ( Fitment Type: Direct Replacement ), ( Partslink Number: 68421850aa, 68421850ab ), ( Fitnote: Includesflange And Gasket. ), ( Product Subtype: Crankshafts ), ( Engine Version: 3.6l Chrysler Pentastar V6 ), ( Department: Oem )

Review JEEP OE Rear Engine Crankshaft Seal fits WRANGLER 2021–2022

The **Jeep Part Number 68421850AB** is a high-performance, precision-engineered **rear engine crankshaft seal** specifically designed for the **2021 2022 Jeep Wrangler models** equipped with the **3.6L Pentastar V6 engine**. This critical component plays a vital role in maintaining engine integrity by preventing oil leakage from the rear main seal area while ensuring smooth crankshaft operation. Crafted from **high-quality elastomeric material**, this seal is engineered to withstand the demanding conditions of off-road driving, extreme temperatures, and heavy loads, providing reliable sealing performance over an extended service life. The **precision-molded design** ensures an optimal fit within the engine s crankshaft housing, minimizing the risk of oil contamination in the transmission or differential areas, which could lead to costly damage or reduced efficiency. Whether navigating rough terrain, towing heavy loads, or enduring harsh environmental conditions, this seal delivers **durability and leak resistance**, helping to preserve the longevity of your Jeep s powertrain. Ideal for both **original equipment replacement (OER) and aftermarket upgrades**, this part adheres to Jeep s stringent engineering standards, ensuring compatibility and performance consistency with the factory specification. Proper installation, using the recommended tools and techniques, is essential to maximize its effectiveness and prevent premature wear.

**Pros and Cons of buying a Jeep Part Number 68421850AB for a 2021-2022 Wrangler Rear Engine Crankshaft Seal**

1. **OEM Quality** This part is an original equipment manufacturer (OEM) component, meaning it is designed to meet Jeep s exact specifications for fit, performance, and durability. OEM parts are typically built to the same standards as those installed at the factory, ensuring compatibility and reliability.

2. **Reliability and Longevity** OEM seals are engineered to withstand the stresses of a high-performance engine, including heat, pressure, and vibration. A high-quality crankshaft seal reduces the risk of leaks, which can cause engine damage or failure over time.

3. **Warranty Coverage** Purchasing directly from Jeep or an authorized dealer may include warranty protection, providing peace of mind in case of premature failure. Some aftermarket sellers also offer warranties, though these may vary in terms and duration.

4. **Easy Installation and Compatibility** Since this is an OEM part, it is designed to fit seamlessly into the 2021-2022 Wrangler s engine bay without modifications. This reduces the risk of installation errors that could occur with aftermarket parts that may not align perfectly.

5. **Support for Resale Value** If you plan to sell or trade in your Wrangler in the future, having OEM parts can be a selling point, as buyers often prefer vehicles with factory-spec components.

6. **Access to Technical Resources** Jeep dealerships and authorized sellers provide access to service manuals, diagnostic tools, and customer support, which can be invaluable if you encounter issues during installation or use.

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1. **Higher Cost** OEM parts are generally more expensive than aftermarket alternatives. The price of the 68421850AB crankshaft seal may be significantly higher than comparable aftermarket seals, which could be a deterrent for budget-conscious buyers.

2. **Limited Availability** OEM parts may not always be in stock at local dealerships, requiring orders to be placed in advance or purchased online, which could involve shipping delays or additional fees.

3. **Potential Overkill for Some Owners** If you are not experiencing specific issues with your current seal or if you are on a tight budget, paying for an OEM replacement might be unnecessary. Aftermarket seals can offer similar performance at a lower cost for those who prioritize cost savings over brand assurance.

4. **Longer Wait Times** Due to supply chain issues or high demand, ordering OEM parts from Jeep or dealers might result in longer wait times compared to aftermarket suppliers, who often have quicker turnaround times.

5. **Resale of Unused Parts** If you purchase the seal but do not need it immediately (e.g., due to a delay in installation), selling it back may be difficult, and you might not recover the full cost.

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The decision to buy the Jeep OEM crankshaft seal (part number 68421850AB) for your 2021-2022 Wrangler depends on your priorities. If **reliability, longevity, warranty coverage, and maintaining factory specifications** are your top concerns, the OEM part is the best choice. It ensures a precise fit, reduces the risk of future engine issues, and aligns with Jeep s engineering standards.

However, if **cost is a major factor** and you are confident in the quality of aftermarket alternatives (which can be just as durable for many applications), then an aftermarket seal might be a more practical option. Aftermarket parts often come with competitive warranties and can be installed without sacrificing performance.

For most serious Wrangler owners who prioritize durability and long-term engine health, the OEM seal is the recommended choice. It is worth the investment to avoid potential engine damage from a failed seal and to ensure optimal performance, especially if you plan to keep the vehicle for an extended period.

- You value brand reliability and warranty protection.

- You are experiencing or anticipating seal failure.

- You want to maintain the vehicle s resale value or keep it in pristine condition.

- You are on a tight budget and can verify the aftermarket seal s reputation for quality.

- You are not facing immediate seal issues and can delay replacement.

- You are comfortable with DIY installation and research to ensure compatibility.

For most owners, the OEM part is the safer and more future-proof option.

Details:

Engineered to deliver trouble-free installation with no modifications required. Proven to offer the quality and reliability Jeep owners are accustomed. Rear Engine Crankshaft Seal by Jeep OE. They are meticulously manufactured and rigorously tested to meet Jeeps standards of quality ruggedness, so they will serve you reliably for years come.

Replaces Original OE Part #: 68421850AA, 68421850AB. Made using the finest materials and up-to-date technology. Guaranteed to look and function like the part your Jeep came with from factory. Features: Genuine Jeep OEM part that offers a superior fit and performance.

part #: 68421850ab prices

• $104.99-$1305.00

specifications cranshafengin:

• for models: Wrangler
• for makes: Jeep
• for years: 2021-2022
• brand: Jeep Oe
• mpn: 68421850ab
• part type: Seal Engine Crankshaft
• product type: Engine
• fitment type: Direct Replacement
• partslink number: 68421850aa, 68421850ab
• fitnote: Includesflange And Gasket.
• product subtype: Crankshafts
• engine version: 3.6l Chrysler Pentastar V6
• department: Oem

shipping cranshafengin:

• class: Standard
• carrier: FedEx
• type: Calculated
• cost: $19.57
• transit: 3-7 Days
• service: FedEx Ground / FedEx Home Delivery

general cranshafengin:

• Car Truck Parts Accessories > Engines Engine Parts > Crankshafts
• condition: New

returns cranshafengin:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

seller cranshafengin:

• # reviews: 8498
• city: Brunswick, Ohio
• rating: 99.6%

offer cranshafengin:

• availability: In Stock
• options: Ship-to-home
• quantity: 5
• sold: 0
• started: February 23, 2026

payments cranshafengin:

• credit card: Visa
• other
• wallet: Google-pay

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