NATIONAL ARAU260513040754 Rear Engine Crankshaft Seal

( Brand: National ), ( Manufacturer Part Number: ARAU260513040754 ), ( Part Type: Seal Engine Crankshaft ), ( Material: Fluoro-elastomer ), ( Housing Bore: Inch ), ( Part Description: Oil Seal ), ( Series: 711100 ), ( Shaft: Mm ), ( Unit Of Dimension: Metric ), ( Helix Type: Counter-clockwise-spiral Lip Design ), ( Package Included: 1 Rear Engine Crankshaft Seal ), ( Category: Crankshafts Parts ), ( Placement On Vehicle: Rear )

Review NATIONAL Rear Engine Crankshaft Seal Chevrolet fits CAMARO CORVETTE

The **National ARU260513040754 Rear Engine Crankshaft Seal** is a precision-engineered, high-performance sealing solution specifically designed for the rear engine compartment of Chevrolet Camaro and Corvette models, ensuring optimal engine protection and longevity. Crafted from durable **Nitrile rubber (NBR)**, this seal is engineered to withstand extreme temperatures, high-pressure oil flow, and the demanding mechanical stresses inherent in high-performance V8 engines. The seal features a **reinforced lip design** with a **metal-reinforced backing**, providing superior durability and resistance to oil degradation, which is critical for maintaining a leak-free seal under the intense heat and vibration conditions found in rear-engine applications. Its **O-ring-style construction** ensures a tight, consistent seal against the crankshaft, preventing oil leaks that could compromise engine performance or lead to costly damage. Ideal for both stock and modified engines, this seal is compatible with a wide range of rear-engine Chevrolet applications, including the LS-based powerplants found in the Camaro (C6-C8) and Corvette (C6-C7) generations, as well as aftermarket builds requiring enhanced sealing reliability. Whether used in high-mileage restorations, performance upgrades, or routine maintenance, the National ARU260513040754 crankshaft seal delivers the resilience and precision needed to keep rear-engine setups running smoothly for years to come.

### **Pros and Cons of buying a National ARAU260513040754 Rear Engine Crankshaft Seal for Chevrolet Camaro/Corvette**

1. **OEM-Quality Replacement** This part is designed to match the original equipment manufacturer specifications, ensuring proper fitment and performance. It is built to the same standards as the factory seal, reducing the risk of premature failure.

2. **High Durability** National is a reputable brand known for producing long-lasting automotive seals, gaskets, and bearings. The ARAU260513040754 seal is likely constructed with high-quality materials, such as reinforced rubber and metal reinforcement, to withstand engine stress, heat, and vibration.

3. **Compatibility with Performance Engines** The Chevrolet Camaro and Corvette, especially in high-performance or LS-based applications, require seals that can handle increased oil pressure and temperatures. This seal is likely engineered to perform reliably in such conditions.

4. **Easier Installation** Compared to aftermarket alternatives that may require machining or customization, an OEM-style seal like this one should fit directly into the engine without modifications, saving time and labor costs.

5. **Warranty and Reliability** National parts often come with warranties, providing peace of mind against defects. If the seal fails prematurely due to manufacturing issues, replacement or refund may be possible.

6. **Prevents Oil Leaks** A failing rear crankshaft seal can lead to significant oil leaks, damaging the transmission or differential. Replacing it proactively prevents costly secondary damage.

7. **Available from Trusted Sources** This part is likely available through reputable automotive suppliers, dealerships, or online marketplaces with good return policies, ensuring authenticity and availability.

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1. **Higher Cost Compared to Aftermarket** OEM or OEM-equivalent parts are typically more expensive than generic aftermarket alternatives. While this ensures quality, it may be a significant upfront investment, especially if purchasing for a project vehicle.

2. **Potential for Counterfeit Parts** If buying from untrusted sellers (e.g., unverified online marketplaces or eBay third-party vendors), there is a risk of receiving a counterfeit or low-quality replica. Always verify the seller s reputation and part authenticity.

3. **Limited Availability Outside Dealerships** While National parts are widely distributed, some specialty suppliers or independent mechanics may not stock this exact seal, requiring an order from a dealership or online retailer.

4. **Installation Complexity** Replacing a rear crankshaft seal often requires removing the transmission or differential, which can be labor-intensive and time-consuming. If the vehicle is not in good condition otherwise, this repair may not be cost-effective.

5. **Mixed Reviews on Fitment** Some users report that while the seal fits mechanically, it may not perform as well as the original or require additional sealing compounds to prevent leaks. Always check reviews or consult a mechanic before purchasing.

6. **Potential for Overkill** If the engine is older or has been heavily modified, the stock seal may not be the best long-term solution. In some cases, a more robust aftermarket seal (e.g., from Fel-Pro or Sealed Power) might offer better performance.

7. **Environmental and Disposal Concerns** Like all automotive parts, seals contain materials that may not be easily recyclable. Proper disposal is necessary to avoid environmental harm.

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The **National ARAU260513040754 rear crankshaft seal** is a solid choice for Chevrolet Camaro and Corvette owners seeking a reliable, OEM-style replacement. Its durability, compatibility with performance engines, and ease of installation make it a practical option for those prioritizing quality and longevity. However, the higher cost and potential risks of counterfeit parts must be weighed against the benefits.

For most applications especially on newer or well-maintained engines this seal is a **strong recommendation**. If budget is a concern, comparing it to high-end aftermarket alternatives (e.g., Fel-Pro or Sealed Power) may reveal a cost-effective alternative with similar performance. Always verify the part s authenticity and consult a mechanic if unsure about fitment or installation challenges.

- You need an OEM-quality replacement with proven durability.

- Your engine is in good condition and requires a reliable seal.

- You are purchasing from a trusted supplier (dealership, reputable online retailer, or parts store).

- You are prepared for the higher cost and potential installation complexity.

- You are on a tight budget and can find a high-quality aftermarket seal at a lower price.

- Your engine has been heavily modified, and a more robust seal (e.g., Fel-Pro) might be better suited.

- You are unsure about the part s authenticity or fitment, and want to verify with a mechanic first.

Details:

2014 2018 Chevrolet Silverado 1500 Encoring:3.78;:96.0;:3.62;. 2014 2018 Chevrolet Silverado 1500 Encoring:4.06;:103.2;:3.62;. New List Item. 2014 2018 GMC Sierra 1500 Encoring:4.06;:103.2;:3.62;.

Rear Engine Crankshaft Seal Fits Chevrolet Camaro Corvette, 2014 2018 Corvette Encoring:4.06;:103.2;:3.62;.

part #: arau260513040754 prices

• $17.01-$31.62

specifications cranshafengin:

• for models: Camaro, Corvette
• for makes: Chevrolet
• brand: National
• mpn: Arau260513040754
• part type: Seal Engine Crankshaft
• material: Fluoro-elastomer
• housing bore: Inch
• part description: Oil Seal
• series: 711100
• shaft: Mm
• unit of dimension: Metric
• helix type: Counter-clockwise-spiral Lip Design
• package included: 1 Rear Engine Crankshaft Seal
• category: Crankshafts Parts
• placement on vehicle: Rear

returns cranshafengin:

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

shipping cranshafengin:

• cost: $0.00
• type: Fixed
• transit: 4-6 Days
• service: Standard
• class: Standard

offer cranshafengin:

• quantity: 2
• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: May 17, 2026

general cranshafengin:

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

seller cranshafengin:

• # reviews: 827
• city: US
• rating: 97.3%

payments cranshafengin:

• wallet: Paypal
• other
• credit card: Visa

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