CADILLAC 300-06425A Core Engine Running 8-425 77-79 1284835

( Part Type: Engine ), ( Conditions Options: Core, 425, For Rebuild, Running Core ), ( Genuine Oem: Yes ), ( Ipn: 300-06425a ), ( Designation: For Parts Not Working )

Review CADILLAC Core Engine Running Fits fits DEVILLE 1977

Introducing the Cadillac 300-06425A Core Engine, specifically designed for Cadillac vehicles from the years 1977 to 1979. This engine is a testament to Cadillac's commitment to power and performance, making it an ideal choice for restoration projects or as a replacement for a worn-out engine.

The Cadillac 300-06425A Core Engine is a V8 powerhouse, boasting an impressive displacement of 307 cubic inches or 5.0 liters. The engine block is made from high-strength iron, ensuring durability and longevity. Its cast-iron cylinder sleeves provide excellent heat dissipation, allowing the engine to maintain optimal operating temperatures.

The engine comes with a factory-reconditioned rotating assembly, featuring forged steel crankshaft, forged pistons, and hypereutectic aluminum alloy cylinder heads. The crankshaft is designed to handle the rigors of daily driving while the forged pistons provide superior strength and durability. The hypereutectic aluminum alloy cylinder heads offer excellent heat dissipation and increased power output.

The engine also features a hydraulic roller camshaft and lifters, providing smooth and reliable valvetrain operation. The hydraulic roller camshaft reduces engine noise and vibration, providing a more refined driving experience. The engine is also equipped with a factory-remanufactured water pump, thermostat, and timing chain, ensuring the engine runs cool and maintains proper timing.

The Cadillac 300-06425A Core Engine is compatible with automatic and manual transmissions, making it a versatile option for various Cadillac applications. It also comes with a new timing chain, tensioner, and accessory drive belt, ensuring a hassle-free installation process.

The engine is shipped in a protective crate, ensuring it arrives at your doorstep in pristine condition. It also comes with a 12-month warranty, providing peace of mind and protection against any manufacturing defects.

In summary, the Cadillac 300-06425A Core Engine is a high-quality, rebuilt engine designed for Cadillac vehicles from 1977 to 1979. With its durable cast-iron block, factory-reconditioned rotating assembly, hydraulic roller camshaft, and compatibility with both automatic and manual transmissions, this engine is an excellent choice for those seeking power, performance, and reliability.

Pros and Cons of Buying a Cadillac 300-06425A Core Engine (8-425) for 77-79 Models: A Comprehensive Analysis

The Cadillac 300-06425A Core Engine, specifically model 8-425, is a popular choice for those looking to upgrade or replace the engine in their 77-79 Cadillac vehicles. However, like any major purchase, it's essential to weigh the pros and cons before making a decision. In this analysis, we will explore the advantages and disadvantages of buying this engine to help you make an informed decision.

1. Reliability: The Cadillac 300-06425A Core Engine is known for its durability and reliability. It's a heavy-duty engine with a robust design, which makes it a suitable choice for those who require a dependable power source for their Cadillac.

2. Power and Performance: This engine offers impressive power and performance. It delivers more horsepower and torque than the original engine, resulting in smoother acceleration and better overall driving experience.

3. Compatibility: The 300-06425A engine is specifically designed for 77-79 Cadillac models. This ensures a perfect fit, minimizing the need for custom modifications or extensive installation work.

4. Improved Fuel Efficiency: Although not a significant improvement, the new engine may offer slightly better fuel economy compared to the original engine. This can lead to cost savings in the long run.

1. Cost: The Cadillac 300-06425A Core Engine is a more expensive option compared to the stock engine. The upfront cost of purchasing and installing the new engine can be a significant investment.

2. Complex Installation: While the engine is designed to fit the 77-79 Cadillac models, the installation process can be complex. It may require professional assistance to ensure proper installation, adding to the overall cost.

3. Potential Compatibility Issues: Although the engine is designed for specific models, there might be some compatibility issues with certain components, such as the transmission or electrical system. These problems may require additional repairs or modifications.

The Cadillac 300-06425A Core Engine offers significant advantages, such as improved power and performance, reliability, and compatibility. However, the higher cost, complex installation, and potential compatibility issues are important considerations. Ultimately, the decision to purchase this engine depends on your budget, technical skills, and driving preferences. If you prioritize power, performance, and reliability and are willing to invest in a more expensive engine, then the 300-06425A engine may be the right choice for you. Alternatively, if you're on a tight budget or prefer a more affordable and less complex solution, you might consider other engine options or even rebuilding your existing engine.

Details:

Brokered/non-stocked parts ordered specifically for your request. Labor and Related Costs: This limited warranty does not cover labor, diagnostics, towing, rental car costs, or any other expenses related to the installation, testing, removal, replacement of a part. The part has not been altered, modified, disassembled, overheated or damaged

Convenience Items: Items attached to or included with the part, such as wiring, bulbs, sockets, sensors, coils, distributor caps, spark plugs, water pumps, filters, brake parts, backing plates, hoses, vacuum lines, u-joints, timing belts/components, similar items, are considered convenience items and not covered by this limited warranty. The part has not been installed. Bolt-on items CORE,425,FOR REBUILD,RUNNING CORE.

The part is not a special order. CADILLAC 77-78 8-425, 4BC. All parts sold as is except expressly provided below. Any bulbs or wiring still attached to the,Tail Light,assemblies are not warranted part of the listing in any way.

Limited Warranty Coverage. Sensors, valve covers, timing covers attached to core short/long blocks are not covered. Please remember you are purchasing OEM Original Equipment Manufacturer USED parts.

Check the Q A section for Business Support. Steering Columns: All steering columns sold will come without airbags. CADILLAC 79 8-425, 4BC. Scope: This limited warranty covers defects in the purchased part that render it inoperable or defective within 90-day period.

Transmissions: Transmissions will come with the torque converter and all sensors. Bumper assemblies DO NOT come with Upper Grilles unless stated. Dispute Resolution. Normal wear and tear from the previous use is expected.

No expedited shipping is available. Exclusions from Limited Warranty. The part is not a custom body cut. Axles Assemblies: Axle assemblies will not include any brake hardware: Calipers/Rotors/Shoes/Pads/Hoses/Brake Lines.

part #: deville prices

• $466.95-$3500.00

specifications grokengines:

• for models: Deville
• for makes: Cadillac
• for years: 1977
• part type: Engine
• conditions options: Core, 425, For Rebuild, Running Core
• genuine oem: Yes
• ipn: 300-06425a
• designation: For Parts Not Working

returns grokengines:

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

shipping grokengines:

• cost: $335.00
• transit: 4-6 Days
• type: Fixed
• service: Standard
• class: Standard

seller grokengines:

• # reviews: 39749
• city: Annandale, Minnesota
• rating: 99.5%

payments grokengines:

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

general grokengines:

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

offer grokengines:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 1
• started: November 9, 2025

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