1. Engine Crankshafts Products
  2. sku: 19337072558730773
  3. CHEVY 5463797

CHEVY 5463797 Nos Engine Crankshaft Bearing General BEARING/1

fits make: Chevy, Buick, Cadillac, Oldsmobile. year: 1965-75.

5463797 General Motors 1965-75 Chevy/buick/cadillac/oldsmobile Nos Engine Crankshaft Bearing/1

( Brand: Chevy ), ( Manufacturer Part Number: 5463797 ), ( Part Type: Bearing Engine Crankshaft Motor ), ( Items Included: Bearing ), ( Manufacturer Warranty: No ), ( Performance Part: Yes ), ( California Prop 65 Warning: Warning, Servicing And Maintaining A Passenger Vehicle Or Off-highway Motor Vehicle Can Expose You To Chemicals Including Engine Exhaust, Carbon Monoxide, Phthalates, And Lead, Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. To Minimize Exposure, Avoid Breathing Exhaust, Do Not Idle The Engine Except As Necessary, Service Your Vehicle In A Well-ventilated Area And Wear Gloves Or Wash Your Hands Frequently When Servicing Your Vehicle. For More Information Go To Www.p65warnings.ca.gov/passenger-vehicle. ), ( Color: Silver ), ( Item: Tracy Corvette 2363 )

Review CHEVY General Motors Chevy/buick/cadillac/oldsmobile Nos Engine Crankshaft Bearing/1 fits 1965-75

The **1965 1975 Chevrolet, Buick, Cadillac, and Oldsmobile NOS (New Old Stock) Engine Crankshaft Bearing Set (Part #5463797)** represents a meticulously preserved, high-performance component designed to restore or enhance the longevity and reliability of your classic big-block or small-block V8 engine from these iconic American brands. Crafted to exacting specifications, this bearing set is engineered to meet the demanding requirements of high-revving, high-torque applications, ensuring smooth operation and minimizing friction within the crankshaft journals. Each bearing is precision-machined from high-quality, heat-treated steel, often featuring a robust white metal or composite lining that resists wear, scoring, and oil starvation critical factors in maintaining peak performance in both stock and modified engines. Whether you're rebuilding a legendary **L98, LS6, 455, 425, or 350** from these GM divisions, this bearing set is designed to fit seamlessly into the crankshaft s main and rod journals, providing the structural integrity needed to handle the stresses of modern fuels, high-performance modifications, or even aggressive driving styles. The NOS designation guarantees that these bearings have been stored in pristine, unopened conditions since their original production, ensuring they remain free from contamination, corrosion, or degradation over the decades. Ideal for restorers, racers, or enthusiasts seeking to preserve the heritage of these legendary engines, this bearing set is a testament to the enduring quality of aftermarket parts designed to bridge the gap between vintage engineering and contemporary demands. Proper installation, using the correct gasket material and torque specifications, will ensure optimal performance and longevity, allowing your engine to roar with the same power and precision it did in its prime.

### **Pros and Cons of Buying a 1965 1975 Chevy/Buick/Cadillac/Oldsmobile with a NOS Engine and Crankshaft Bearing (Part #5463797)**

#### **Pros**

1. **Restoration Potential** A NOS (New Old Stock) engine is a highly sought-after component for classic car restorations. It retains original factory specifications, including the crankshaft bearing (part #5463797), which means it will fit perfectly without modifications. This makes it ideal for enthusiasts who want an authentic, high-quality rebuild.

2. **Reliability and Performance** NOS engines are known for their durability and strong performance, especially when paired with modern maintenance. The crankshaft bearing (a key part of the main bearing set) ensures smooth operation, reducing wear and extending engine life if properly installed and lubricated.

3. **Resale Value** A car with a NOS engine holds significant value in the classic car market. Collectors and restorers are willing to pay a premium for original components, making this a smart long-term investment if you plan to keep or sell the vehicle later.

4. **Historical Significance** Owning a car with NOS parts adds authenticity and historical value. Many enthusiasts prioritize originality, and a NOS engine (including the crankshaft bearing) enhances the car s heritage appeal.

5. **Easier Maintenance (If Properly Installed)** Since the engine is new in stock condition, it should require fewer immediate adjustments compared to a used or rebuilt engine. However, proper installation and break-in procedures are critical to avoid premature failure.

6. **Compatibility with Modern Upgrades** While the engine is NOS, modern fuel systems, ignition, and electronics can be integrated without major conflicts, allowing for improved performance while retaining the original engine s character.

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#### **Cons**

1. **High Cost** NOS engines and components are expensive, especially when sourced from reputable dealers or auctions. The crankshaft bearing alone is a small but critical part, and the full engine will likely cost thousands of dollars, making the overall project financially demanding.

2. **Limited Availability** NOS parts are rare and often sold out quickly. Finding a complete NOS engine (or even just the crankshaft bearing) may require extensive searching, patience, and potentially high bidding at auctions.

3. **Installation Challenges** While the engine fits perfectly, installing it correctly requires mechanical expertise. Improper installation such as incorrect bearing clearance, torque specifications, or oil system setup can lead to catastrophic failure. Many buyers underestimate the complexity of a full engine swap.

4. **Break-In Period Required** A NOS engine must be broken in carefully to prevent scoring or premature wear. This means following strict guidelines for the first few hundred miles, including avoiding high RPMs and heavy loads until the bearings and other components seat properly.

5. **Potential for Counterfeit or Mismatched Parts** The NOS market has seen instances of counterfeit or mismatched parts being sold as genuine. Buyers must verify authenticity through reputable sources (e.g., GM Heritage Center, eBay verified sellers, or trusted dealers) to avoid receiving a fake or incompatible component.

6. **Maintenance and Upkeep Costs** Even with a NOS engine, classic cars require ongoing maintenance. Original wiring, fuel systems, and drivetrain components may need upgrades, adding to long-term costs. Neglecting these can lead to reliability issues despite the engine s quality.

7. **Time-Consuming Restoration** Restoring a classic car with a NOS engine is a labor-intensive process. This includes bodywork, interior refurbishment, and ensuring all systems (electrical, suspension, etc.) are in working order. Many buyers underestimate the time required.

8. **Market Saturation** While NOS engines add value, the classic car market is competitive. If the car is not fully restored or lacks additional desirable features (e.g., original paint, interior, or documentation), it may not command the highest resale price.

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### **Conclusion and Recommendation**

Buying a 1965 1975 Chevy/Buick/Cadillac/Oldsmobile with a NOS engine and crankshaft bearing (#5463797) is a **highly rewarding but financially and mechanically demanding** project. It is best suited for:

- **Enthusiasts with mechanical skills** who are willing to invest time in installation and break-in procedures.

- **Collectors or restorers** who prioritize authenticity and are prepared for the long-term commitment of maintaining a classic car.

- **Those with a budget** that can accommodate the high upfront cost of NOS parts and potential restoration expenses.

**If you are not experienced with engine work or lack the patience for a lengthy restoration, a NOS engine may not be the best choice.** Instead, consider a **rebuilt engine with modern components** or a **used NOS engine** (if available) to reduce costs while still gaining performance and reliability.

**Final Recommendation:**

- **Proceed with caution** and thoroughly research the project s scope before purchasing.

- **Verify the authenticity** of the NOS engine and crankshaft bearing from a trusted source.

- **Budget for additional restoration work** beyond just the engine, as classic cars require holistic attention.

- **Consider consulting a professional mechanic** before committing to ensure you understand the full scope of the project.

For the right buyer someone who values authenticity, has mechanical aptitude, and is prepared for the investment this is an excellent way to own a piece of automotive history. For others, the risks and costs may outweigh the rewards.

Details:

Smaller items are shipped Standard USA Postal Service or USPS Priority Mail. Next, select a topic, or choose Other. Keep Your GM Car All.

part #: 5463797 prices

  • $15.40-$36.00

specifications cranshafengin:

  • for makes: Chevy, Buick, Cadillac, Oldsmobile
  • for years: 1965-75
  • brand: Chevy
  • mpn: 5463797
  • part type: Bearing Engine Crankshaft Motor
  • items included: Bearing
  • manufacturer warranty: No
  • performance part: Yes
  • california prop 65 warning: Warning, Servicing And Maintaining A Passenger Vehicle Or Off-highway Motor Vehicle Can Expose You To Chemicals Including Engine Exhaust, Carbon Monoxide, Phthalates, And Lead, Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. To Minimize Exposure, Avoid Breathing Exhaust, Do Not Idle The Engine Except As Necessary, Service Your Vehicle In A Well-ventilated Area And Wear Gloves Or Wash Your Hands Frequently When Servicing Your Vehicle. For More Information Go To Www.p65warnings.ca.gov/passenger-vehicle.
  • color: Silver
  • item: Tracy Corvette 2363

returns cranshafengin:

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

seller cranshafengin:

  • rating: 99.4%
  • city: Roseville, Michigan
  • # reviews: 21905

general cranshafengin:

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

shipping cranshafengin:

  • cost: $16.00
  • carrier: USPS
  • class: Expedited
  • transit: 4-9 Days
  • service: USPS Priority Mail
  • type: Fixed

offer cranshafengin:

  • best offers: True
  • started: March 15, 2026
  • quantity: 1
  • options: Ship-to-home
  • sold: 0
  • availability: In Stock

payments cranshafengin:

  • credit card: Discover
  • wallet: Google-pay
  • other
for makes: chevy, buick, cadillac, oldsmobile, for years: 1965-75, part type: bearing engine crankshaft motor, items included: bearing, manufacturer warranty: no, performance part: yes, california prop 65 warning: warning, servicing and maintaining a passenger vehicle or off-highway motor vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the state of california to cause cancer and birth defects or other reproductive harm. to minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. for more information go to www.p65warnings.ca.gov/passenger-vehicle., item: tracy corvette 2363,
category: auto parts > car truck parts accessories > engines engine parts > crankshafts, color: silver, sku: 19337072558730773,
Chevy 5463797 Is Similar To:
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3 offers $15.40–$36.00 USD
  • New other (see details). Offer #1 priced at $15.40 + $0.00 shipping estimate = $15.40* total. NOS GM THRUST BEARING.FREE SHIPPING
  • New. Offer #2 priced at $36.00 + $19.99 shipping estimate = $55.99* total. BUICK 12329983 1982-1985; CENTURY WITH 4.3 VIN-T CRANKSHAFT MAIN BEARING; #3 (STANDARD)# 1982-1985; ALL WITH 350 VIN-N DIESEL CRANKSHAFT MAIN BEARING; #3 (STANDARD) # CRANKSHAFT MAIN BEARING; #3 (STANDARD) # .+$19.99 shipping
  • New other (see details). Offer #3 priced at $29.00 + $16.00 shipping estimate = $45.00* total. "Keep Your GM Car All GM!".+$16.00 shipping

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