1. Car & Truck Engines Used/New Products
  2. sku: 4565680174035641
  3. CADILLAC ELDORADO

CADILLAC 300-06500B Core Block Engine 8-500 4BC 73-76 1221869

fits model: Eldorado. make: Cadillac. year: 1973.

300-06500b Cadillac Core Long Block Engine 8-500 4bc Fits 73-76 Eldorado 1221869

( Part Type: Block Engine ), ( Conditions Options: L-blk, For Rebuild ), ( Genuine Oem: Yes ), ( Ipn: 300-06500b ), ( Designation: For Parts Not Working )

Review CADILLAC Core Long Block Engine 4bc Fits fits ELDORADO 1973

The Cadillac 300-06500B Core Block Engine, specifically designed for the 1973-1976 Eldorado models with the 8-500 4BC engine, is a testament to Cadillac's commitment to power and performance. This engine block is the heart of your vehicle's powertrain, and its intricate design ensures optimal functionality.

The engine block is made of high-strength iron, providing exceptional durability and resistance to wear and tear. It features a compact, yet efficient layout, with a wet-type sleeve design that enhances cooling efficiency. The engine block's bore size measures 3.71 inches, while the stroke length is 3.21 inches, resulting in a total displacement of 307 cubic inches.

The engine block is equipped with a cross-flow cooling system, which circulates coolant through the engine in a zigzag pattern. This design ensures that the engine stays cool under heavy loads, allowing for consistent power output. The cooling system also includes a thermostat housing, which regulates the engine's temperature for optimal performance.

The engine block further incorporates a pressure-fed oiling system, which ensures proper lubrication of the engine components. The oil pump is mounted on the front of the engine block, and it utilizes a full-flow filter to maintain the oil's cleanliness. The oiling system also includes an oil pan, which collects and stores the oil for circulation.

The Cadillac 300-06500B Core Block Engine is a masterpiece of engineering, designed to deliver power, reliability, and efficiency. Its intricate details, such as the wet-sleeve design, cross-flow cooling system, and pressure-fed oiling system, make it a valuable component for any 1973-1976 Eldorado. By choosing this engine block, you are not only investing in your vehicle's performance but also in its longevity.

The Cadillac 300-06500B Core Block Engine 8-500 4BC is an older model engine used in various Cadillac vehicles, including the Eldorado, between the years 1973 and 1976. Like any engine purchase, there are pros and cons to consider before making a decision.

Pros:

1. Availability: Older engines like the 300-06500B are often more readily available on the used market compared to newer models. This can make finding a replacement engine for an older Cadillac easier and less expensive.

2. Familiarity: If you are working on an older Cadillac and are already familiar with this engine model, you may prefer to stick with it for replacement rather than learning the ins and outs of a new engine.

3. Cost: Used engines, especially older models, tend to be more affordable than new engines. This can make a significant difference for those on a budget.

Cons:

1. Reliability: Older engines, like the 300-06500B, may have higher maintenance requirements and potential issues due to their age. These engines may need more frequent repairs and parts replacements.

2. Efficiency: Older engines, in general, are less fuel-efficient compared to newer models. This could lead to higher operating costs over time.

3. Emissions: Older engines do not meet modern emissions standards. Installing a used engine like the 300-06500B in a newer vehicle could result in failed emissions tests and additional costs to bring the vehicle up to code.

Conclusion:

The decision to buy a Cadillac 300-06500B Core Block Engine 8-500 4BC for your older Eldorado depends on your specific needs and circumstances. If you prioritize ease of availability, cost, and familiarity, then this engine may be a good choice for you. However, if you are concerned about reliability, efficiency, and emissions, you may want to consider other options, such as a rebuilt or new engine that meets modern standards.

Recommendation:

Before making a decision, it's essential to weigh the pros and cons carefully and consider all factors, including your budget, vehicle use, and long-term goals. If you decide to go with a used engine like the 300-06500B, ensure you source it from a reputable seller and have it thoroughly inspected and tested before installation. If you're unsure, consulting a professional mechanic for advice can help you make an informed decision.

Details:

No expedited shipping is available. Full warranty not available for items listed as CORE. Avondale, MN 55302.

Warranty does NOT cover labor, diagnostics, towing costs, rental car, or any other expenses related to an item being defective/damaged. Bumper assemblies DO NOT come with Upper Grilles unless stated. Steering Columns: All steering columns sold will come without airbags.

Lack of these convenience items does not warrant a return. What is covered. Axles Assemblies: Axle assemblies will not include any brake hardware: Calipers/Rotors/Shoes/Pads/Hoses/Brake Lines. For example, when installing a transmission, the torque converter needs to be seated properly on input shaft.

Covered under warranty: An engine block is found to be cracked and NOT rebuild able would covered the 90-day warranty. Items listed as CORE are only guaranteed rebuild able. Any bulbs or wiring still attached to the,Tail Light,assemblies are not warranted part of the listing in any way. Said convenience items are not covered under the 90-day warranty.

3531 County Road 3 NW. Transmissions: Transmissions will come with the torque converter and all sensors. If a return is accepted, please ship the item to address below. Check the Q A section for Business Support.

part #: 300-06500b prices

  • $831.67-$1341.34

specifications grokengines:

  • for models: Eldorado
  • for makes: Cadillac
  • for years: 1973
  • part type: Block Engine
  • conditions options: L-blk, For Rebuild
  • genuine oem: Yes
  • ipn: 300-06500b
  • designation: For Parts Not Working

seller grokengines:

  • rating: 99.2%
  • # reviews: 35523
  • city: Annandale, Minnesota

general grokengines:

  • Car Truck Parts Accessories > Engines Engine Parts > Engines
  • condition: For parts or not working

returns grokengines:

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

offer grokengines:

  • sold: 0
  • started: April 19, 2025
  • quantity: 1
  • availability: In Stock
  • options: Ship-to-home

payments grokengines:

  • wallet: Paypal
  • credit card: Visa
  • other

shipping grokengines:

  • class: Standard
  • cost: $335.00
  • transit: 5-9 Days
  • service: Standard
  • type: Fixed
for models: eldorado, for makes: cadillac, for years: 1973, part type: block engine, conditions options: l-blk, for rebuild, genuine oem: yes, designation: for parts not working,
manufacturer: cadillac, category: auto parts > car truck parts accessories > engines engine parts > engines, sku: 4565680174035641,

Cadillac 8-500 Is Similar To:

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2 offers $831.67–$1341.34 USD
  • Offer #1: $1341.34 price + $24.95 shipping estimate = $1366.29* total. Master Engine Rebuild KitThis Kit Includes: Complete Gasket set (Including seals), Pistons, Rings, Rod Bearings, Main Bearings, Cam Bearings, Oil Pump Kit, Freeze Plugs, Cam Kit (Camshaft, Lifters), Timing Kit.+$24.95 shipping
  • Offer #2: $831.67 price + $24.95 shipping estimate = $856.62* total. Engine Rebuild Kits Engine Parts Standard Engine Rebuild Kit Includes: Re-ring Kit: (Rings, Rod Bearings, Gasket Set ), Pistons, Main Bearings, Cam Bearings, Oil Pump Kit, Freeze Plugs.+$24.95 shipping

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