1987 Cadillac Fleetwood Engine Internals
Keep Your 1987 Cadillac Fleetwood in Top Shape with Quality Engine Internals
Whether you’re repairing or upgrading your Engine Internal, using high-quality parts is key to keeping your 1987 Cadillac Fleetwood looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Oversized Main Bearings, Standard Single Pistons, and Standard Individual Rod Bearings. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Competitive Prices and Extensive Inventory
The average price for a 1987 Cadillac Fleetwood Engine Internal at Advance Auto Parts is around $44.12, with a range that starts at $8.49 and goes up to $65.99. With 4 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Engine Crankshaft Main Bearing Set, Engine Piston Set, and Engine Connecting Rod Bearing start at just $8.49 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Engine Internal, don’t forget to check out other key components like Camshafts and Engine Timing Parts. At Advance Auto Parts, we’re here to help you keep your 1987 Cadillac Fleetwood in peak condition, inside and out.
Find Your Specific 1987 Cadillac Fleetwood Engine Internals
Looking for the perfect Engine Internal for your 1987 Cadillac Fleetwood? You’re in the right place. Below, you’ll find links to various types of Engine Internals that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Internals, ensuring durability and a precise fit for your Cadillac Fleetwood. Whether you’re driving a 1987 model or another popular model year like
1988,
1989,
1990,
1991,
1992,
1993,
1994,
1995, and
1996, we’ve got you covered. Purchasing Engine Internals from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Engine Internals that fit your vehicle.
Essential 1987 Cadillac Fleetwood Engine Internals
Sealed Power – Engine Piston Set (Part No.H597DCP)
from
$26.49
Sealed Power parts provide innovative designs, use leading-edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Hypereutectic
- Made with exclusive FM425 material for excellent strength & scuff resistance – allows tighter bore and improves sealing for less blow-by
- Sophisticated “barrel” profiles help optimize oil wedge between skirt and wall.
- Piston skirts protected by next-gen DUROSHIELD coating.
- TAC ring groove geometry
- Weight matched to +/- 2 grams.
Sealed Power – Engine Piston Set (Part No.502NP)
from
$38.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Cast with FM132 Eutectic proprietary alloy
- Performance & dependability of original equipment pistons
- High quality aluminum
- Utilizes ISO & QS certified manufacturing
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Set (Part No.351NP 40)
from
$98.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Cast with FM132 Eutectic proprietary alloy
- Performance & dependability of original equipment pistons
- High quality aluminum
- Utilizes ISO & QS certified manufacturing
- Meets or exceeds OEM specifications
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4419M 10)
from
$251.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4663M 20)
from
$60.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4906MA 20)
from
$123.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Reduces dramatically or eliminates bearing wear
- Exacting tolerances
- Meets or exceeds OEM specifications
- Made with silicon to provide greater surface hardness
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.7144MA 40)
from
$56.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Reduces dramatically or eliminates bearing wear
- Exacting tolerances
- Meets or exceeds OEM specifications
- Made with silicon to provide greater surface hardness
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.7144MA)
from
$59.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Reduces dramatically or eliminates bearing wear
- Exacting tolerances
- Meets or exceeds OEM specifications
- Made with silicon to provide greater surface hardness
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4663M 10)
from
$56.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- Cast; Use w/E-356K, E-356KC or E-356X ring set; For use w/350 crank w/o need to rebalance engine
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4663MA 20)
from
$99.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Reduces dramatically or eliminates bearing wear
- Exacting tolerances
- Meets or exceeds OEM specifications
- Made with silicon to provide greater surface hardness
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4663M)
from
$57.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- Cast; Use w/E-356K, E-356KC or E-356X ring set; For use w/350 crank w/o need to rebalance engine
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.7046MA)
from
$65.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Oversize flange
- Meets or exceeds OEM specifications
- Meets or exceeds OEM specifications
- Made with silicon to provide greater surface hardness
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4294M 30)
from
$86.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4294M 20)
from
$86.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4663M 1)
from
$63.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- Cast; Use w/E-356K, E-356KC or E-356X ring set; For use w/350 crank w/o need to rebalance engine
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Connecting Rod Bearing (Part No.2555A 20)
from
$5.99
Sealed Power parts provide innovative designs, use leading-edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.2120CP 30)
from
$28.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.2555A)
from
$6.29
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.3045A 10)
from
$8.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.3345P)
from
$18.29
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.2120CP 10)
from
$28.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.3345P 10)
from
$18.49
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.3870RA)
from
$8.49
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.2120CP)
from
$28.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.2555A 2)
from
$4.79
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.2555A 10)
from
$5.99
Sealed Power parts provide innovative designs, use leading-edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.2555A 1)
from
$7.29
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.2555A 30)
from
$7.29
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Popular 1987 Cadillac Fleetwood Engine Internals Categories
Most Popular Oversized Main Bearings for 1987 Cadillac Fleetwoods
Enhance your 1987 Cadillac Fleetwood with one of the 2 Oversized Main Bearings we have in stock, starting at just $62.99.
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.7046MA)
from
$65.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Oversize flange
- Meets or exceeds OEM specifications
- Meets or exceeds OEM specifications
- Made with silicon to provide greater surface hardness
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.7046MA .25MM)
from
$62.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Oversize flange
- Meets or exceeds OEM specifications
- Meets or exceeds OEM specifications
- Made with silicon to provide greater surface hardness
Best-Selling 1987 Cadillac Fleetwood Standard Single Piston
Upgrade your Fleetwood with our best-selling Standard Single Piston.
Sealed Power – Engine Piston Set (Part No.502NP)
from
$38.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Cast with FM132 Eutectic proprietary alloy
- Performance & dependability of original equipment pistons
- High quality aluminum
- Utilizes ISO & QS certified manufacturing
- Meets or exceeds OEM specifications
Top-Quality Standard Individual Rod Bearings for 1987 Cadillac Fleetwoods
Choose a high-quality OEM or aftermarket Standard Individual Rod Bearing for Cadillac Fleetwoods and enjoy top-notch performance from $8.49.
Sealed Power – Engine Connecting Rod Bearing (Part No.3870RA)
from
$8.49
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
FAQs for 1987 Cadillac Fleetwood Engine Internals
What are the best-selling Engine Internals for 1987 Cadillac Fleetwoods?
Out of 4 Engine Internals that fit 1987 Cadillac Fleetwoods, the following parts are the top sellers:
- Engine Crankshaft Main Bearing Set (3703975) – $62.99
- Engine Piston Set (25964235) – $38.99
- Engine Connecting Rod Bearing (3705277) – $8.49
What’s the price range for 1987 Cadillac Fleetwood Engine Internals?
The prices of Engine Internals for the 1987 Cadillac Fleetwood range from $8.49 up to $65.99 for the most premium parts.
What is the average price of an Engine Internal for a 1987 Cadillac Fleetwood?
The average price for Engine Internals for the 1987 Cadillac Fleetwood is $44.12. Keep in mind the variety of part types within our Engine Internal category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Engine Internals for other Cadillac Fleetwood model years?
What are the cheapest Engine Internals for my 1987 Cadillac Fleetwood?
The cheapest 1987 Cadillac Fleetwood Engine Internals we carry are:
- Engine Connecting Rod Bearing (3705277) – $8.49
- Engine Piston Set (25964235) – $38.99
- Engine Crankshaft Main Bearing Set (3703975) – $62.99
- Engine Crankshaft Main Bearing Set (3703967) – $65.99
Does Advance Auto Parts sell Engine Internals for any other 1987 Cadillac models?
Yes. We stock Engine Internals for 5 other popular 1987 Cadillac models. Some of the most popular are 1987 DeVille Engine Internals, 1987 Eldorado Engine Internals, 1987 Seville Engine Internals, 1987 Brougham Engine Internals, and 1987 Cimarron Engine Internals.
What types of Engine Internals do you sell for my 1987 Cadillac Fleetwood?
As of 11/2/25, these are some of the most in-demand types of Engine Internals for a 1987 Cadillac Fleetwood:
Can I get help with 1987 Cadillac Fleetwood Engine Internal orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Cadillac Engine Internals and more.
What is your return policy for Cadillac Fleetwood Engine Internals?
Advance Auto Parts keeps returns simple. For new Cadillac Fleetwood Engine Internals and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.