JEEP 4746979 Pinion Bearing 848399007756

( Manufacturer Part Number: 4746979 ), ( Part Type: Pinion Bearing ), ( UPC: 848399007756 )

Review JEEP Automotive Replacement Pinion Bearing fits CROWN

The **Crown Jeep 4746979 Pinion Bearing** is a premium, high-performance aftermarket component meticulously engineered to enhance the durability, reliability, and efficiency of Jeep 4.0L and 5.0L U-Joint (UNA) transfer cases, particularly those found in iconic models like the Wrangler, Grand Cherokee, and Commander. Crafted from superior-grade materials, this pinion bearing is designed to withstand the rigorous demands of off-road adventures, towing, and heavy-duty applications while minimizing wear and tear on the transfer case s internal components. The bearing features a robust, precision-machined steel cage paired with high-capacity ball bearings, ensuring smooth and consistent rotation even under extreme loads. Its robust construction reduces friction, heat buildup, and noise, extending the lifespan of the transfer case and preventing costly failures associated with worn or failing bearings. Ideal for both stock and modified Jeep applications, this pinion bearing is a direct-fit replacement for the OEM part, offering superior strength and longevity compared to standard aftermarket alternatives. Whether you're tackling rough terrain, hauling heavy payloads, or simply seeking to upgrade your Jeep s drivetrain, the Crown Jeep 4746979 Pinion Bearing delivers the performance and peace of mind you need to keep your vehicle running at its best. Built to meet or exceed factory specifications, it s a trusted choice among Jeep enthusiasts and professionals alike for its reliability and performance in the most demanding conditions.

**Pros and Cons of Buying a Crown Jeep 4746979 Pinion Bearing**

The Crown Jeep 4746979 pinion bearing is a critical component for Jeep axles, particularly those in 4WD and off-road applications. Below is a detailed breakdown of its advantages and disadvantages, followed by a conclusion and recommendation.

### **Pros**

1. **High Quality and Durability**

The Crown brand is well-regarded in the off-road and automotive aftermarket for producing robust, high-performance bearings. The 4746979 pinion bearing is designed to withstand heavy loads, extreme temperatures, and rough terrain, making it a reliable choice for serious off-roaders and daily drivers alike.

2. **Compatibility with Jeep Axles**

This bearing is specifically engineered to fit Jeep axles, including models like the Wrangler, Grand Cherokee, and Commander. It is a direct replacement for OEM (Original Equipment Manufacturer) pinion bearings, ensuring a proper fit without modifications.

3. **Improved Performance and Longevity**

Many users report that Crown bearings outlast standard OEM parts, reducing the frequency of replacements and potential downtime. The precision manufacturing helps maintain smoother operation and reduces wear on other axle components.

4. **Warranty and Customer Support**

Crown offers warranties on their bearings, which can provide peace of mind in case of premature failure. Their customer service is often praised for responsiveness, though this can vary depending on the region.

5. **Cost-Effective for Long-Term Use**

While the upfront cost may be higher than some budget alternatives, the extended lifespan and reduced risk of failure can make it a cost-effective choice over time. It minimizes the need for frequent repairs or replacements.

6. **Off-Road Suitability**

For those who frequently drive in challenging conditions such as rocky trails, deep mud, or sand the Crown pinion bearing s durability is a significant advantage. It is less likely to seize or fail under extreme stress compared to lower-quality bearings.

7. **Ease of Installation**

The bearing is designed for straightforward installation, though it may require basic mechanical skills or tools. Many users find that with proper preparation, the process is manageable without professional help.

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### **Cons**

1. **Higher Upfront Cost**

The Crown 4746979 pinion bearing is more expensive than generic or aftermarket alternatives. For budget-conscious buyers, this can be a significant drawback, especially if they are not yet convinced of the bearing s long-term benefits.

2. **Potential Overkill for Mild Use**

If the vehicle is primarily used for light-duty driving (e.g., daily commuting on paved roads), the premium quality of the Crown bearing may not be necessary. In such cases, a more affordable OEM or aftermarket option could suffice without sacrificing performance.

3. **Limited Availability in Some Regions**

Depending on the location, Crown parts may not be as widely stocked as other brands. This could result in longer wait times for delivery or the need to order from specialty suppliers.

4. **Mixed Reviews on Lube Requirements**

Some users report that the Crown bearing performs best when paired with high-quality lubricants (e.g., Mobil 1 Extreme, Red Line, or other synthetic greases). Failure to use the recommended lubricant could reduce its lifespan, adding an extra cost and consideration.

5. **Installation Challenges for Beginners**

While the bearing itself is straightforward, the installation process particularly if the axle is being rebuilt can be complex. Inexperienced DIYers may encounter difficulties with alignment, sealing, or torque specifications, potentially leading to improper installation and premature failure.

6. **Resale Value Impact**

If the vehicle is not a high-value classic or collector s item, upgrading to a Crown bearing may not significantly impact its resale value. Buyers focused on long-term ownership rather than resale may not prioritize this factor.

7. **Risk of Counterfeit Products**

As with many high-demand aftermarket parts, there is a risk of purchasing counterfeit Crown bearings. Buyers should ensure they are purchasing from authorized dealers or reputable online retailers to avoid receiving substandard or fake products.

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### **Conclusion**

The Crown Jeep 4746979 pinion bearing is a superior choice for those who demand reliability, durability, and performance particularly in off-road or heavy-duty applications. Its high-quality construction, compatibility with Jeep axles, and extended lifespan make it a worthwhile investment for serious off-roaders, daily drivers in harsh conditions, or anyone looking to avoid frequent bearing replacements. However, the higher cost and potential overkill for mild-use scenarios may deter budget-conscious buyers or those who prioritize cost savings over longevity.

For most off-road enthusiasts, the benefits outweigh the drawbacks, making the Crown bearing a recommended upgrade. Those on a tight budget or with light driving habits may opt for a more affordable alternative, but they should be prepared for the possibility of shorter bearing life and increased maintenance needs.

### **Recommendation**

- You frequently drive off-road or in extreme conditions.

- You prioritize long-term reliability and reduced maintenance.

- You are willing to invest in a high-quality part that will last significantly longer than OEM or generic alternatives.

- You have access to proper lubricants and tools for installation.

- Your driving is primarily on paved roads with minimal off-road use.

- You are working with a limited budget and can accept the risk of shorter bearing life.

- You lack experience with axle rebuilds and prefer to leave installation to a professional.

Ultimately, the Crown bearing is one of the best options available for Jeep axles, and for those who can afford it, the peace of mind and performance gains are well worth the cost. Always purchase from a trusted seller to avoid counterfeit products, and ensure proper lubrication and installation for optimal results.

Details:

With over 8,000 different parts in stock for Jeep R vehicles from 1942 on up, Crown has the largest of replacement vehicles, including factory-discontinued. The Crown line consists of axle, body, brake, clutch, cooling, driveling, electrical, engine, exhaust, fuel, steering, suspension, transmission and transfer case components. FEATURES: Pinion Bearing. In fact, many of the older Jeeps are still on and off road thanks to Crown parts.

Crown Automotive is the premiere manufacturer and distributor of quality replacement parts for Jeep R CJ, Wrangler, Cherokee, Grand Liberty, Commander TM. SPECIFICATIONS: Position: Inner. Pinion Bearing; Inner;. Crown Automotive also offers an exclusive line of component kits and accessory products.

part #: 4746979 prices

• $41.24-$65.56

specifications accperformanc:

• for models: Crown
• for makes: Jeep
• mpn: 4746979
• part type: Pinion Bearing
• upc: 848399007756

returns accperformanc:

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

payments accperformanc:

• wallet: Paypal
• credit card: Diners-club
• other

offer accperformanc:

• sold: 0
• started: June 4, 2026
• availability: In Stock
• options: Ship-to-home

general accperformanc:

• condition: New
• Parts Accessories > Permance Racing Parts > Accessories

shipping accperformanc:

• cost: $0.00
• service: Expedited
• type: Fixed
• class: Expedited
• transit: 2-6 Days

seller accperformanc:

• city: Appleton, Wisconsin
• rating: 99.1%
• # reviews: 68829

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