CADILLAC 300-06045 Engine 8-273 4.5L 8TH 385767

( Part Type: Engine ), ( Conditions Options: A, Fwd ), ( Genuine Oem: Yes ), ( Ipn: 300-06045 )

Review CADILLAC Engine 4.5l Vin 8th Digit Fits fits DEVILLE 1988–1989

The Cadillac 300-06045 engine is a powerful and sophisticated powertrain option for select Cadillac Deville models from the 1988 and 1989 generations. This engine is part of the 8-273 series, which is a 4.5-liter V8 powerplant that delivers impressive performance and refinement.

The engine block is made of high-strength aluminum alloy, which not only reduces weight but also enhances durability and heat dissipation. The cylinder bores are lined with a Nikasil coating, ensuring excellent cylinder wall durability and reducing friction for optimal engine efficiency.

The overhead valve configuration of this engine features four valves per cylinder, which allows for larger intake and exhaust ports for improved airflow and better engine breathing. The valves are actuated by a robust hydraulic roller camshaft system, ensuring precise valve control and smooth engine operation.

The 4.5-liter engine produces a robust output of 210 horsepower at 4,400 rpm and 305 lb-ft of torque at 2,000 rpm. The engine is mated to a heavy-duty 4L60 automatic transmission, which provides smooth and responsive power delivery to the rear wheels.

A number of advanced engine technologies are employed in this powertrain to enhance performance and efficiency. These include electronic fuel injection, which ensures precise fuel delivery and optimized combustion, and a three-way catalytic converter, which helps reduce harmful emissions.

The Cadillac 300-06045 engine is also designed for ease of maintenance. The oil filter and air filter are easily accessible, and the engine features a large capacity cooling system to ensure optimal operating temperatures in all driving conditions.

In summary, the Cadillac 300-06045 engine is a high-performance and sophisticated powertrain option for select Cadillac Deville models. Its advanced technologies, robust output, and refined operation make it a desirable choice for those seeking a powerful and reliable driving experience.

The Cadillac 300-06045 engine, also known as the 8-273 4.5L V8, was used in the 1988-1989 Deville models. Here are some pros and cons of buying this engine for your Cadillac Deville:

1. Powerful engine: This engine produces 170 horsepower and 275 lb-ft of torque, making it a powerful option for your Cadillac Deville.

2. Reliability: The 4.5L V8 engine is known for its durability and reliability. Many owners have reported driving their cars for over 200,000 miles with this engine.

3. Availability: The engine is widely available on the used market, which can make it an affordable option for those looking to rebuild or replace their existing engine.

1. Fuel efficiency: The engine is not very fuel-efficient, with an estimated 14 mpg in the city and 19 mpg on the highway.

2. Maintenance: Like any engine, the 4.5L V8 requires regular maintenance to keep it running smoothly. This can include tasks such as oil changes, spark plug replacement, and timing belt replacement.

3. Emissions: This engine does not meet modern emissions standards, which can make it difficult and expensive to register and insure in some areas.

In conclusion, the Cadillac 300-06045 engine offers impressive power and reliability but comes with some drawbacks such as poor fuel efficiency, maintenance requirements, and emissions issues. If you're looking for a powerful and dependable engine for your Cadillac Deville and are willing to deal with the cons, then this engine could be a good option for you. However, if fuel efficiency and emissions are a priority, you may want to consider other engine options. Ultimately, it's essential to weigh the pros and cons carefully before making a decision.

Details:

part #: 300-06045 prices

• $1100.73-$1707.99

specifications grokengines:

• for models: Deville
• for makes: Cadillac
• for years: 1988-1989
• part type: Engine
• conditions options: A, Fwd
• genuine oem: Yes
• ipn: 300-06045

payments grokengines:

• other
• credit card: Discover
• wallet: Google-pay

shipping grokengines:

seller grokengines:

• rating: 98.5%
• # reviews: 654
• city: Union, New Jersey

returns grokengines:

• time: 60 Days
• policy: Returns Accepted
• paid by: Buyer

offer grokengines:

• sold: 0
• started: May 27, 2026
• availability: In Stock
• quantity: 1
• options: Ship-to-home

general grokengines:

• condition: Used
• Car Truck Parts Accessories > Engines Engine Parts > Engines

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