Cadillac Fleetwood Engine Internals

Your One-Stop Shop For Trusted Cadillac Fleetwood Engine Internals

If you’re in search of Cadillac Fleetwood Engine Internals aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 117 Engine Internals from top brands with prices ranging from $4.79 to $251.99.

Beyond great prices, we stock trusted brands manufacturing all types of Engine Internals for your Cadillac Fleetwood.

And don’t forget to read customer reviews across all Engine Internals categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Engine Internals have to cost top dollar, and we prove it. Browse our top Cadillac Fleetwood Engine Internals below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Please Select your Vehicle to See Exact Fit Parts

Essential Cadillac Fleetwood Engine Internals

National – Multi-Purpose Seal (Part No.471424)

Multi-Purpose Seal

from

$8.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Design type: spring loaded; multi-lip
  • Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
  • Good low temperature capability
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
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Felpro – Engine Crankshaft Seal Kit (Part No.BS 40520)

Engine Crankshaft Seal Kit

from

$37.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
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Sealed Power – Engine Piston Set (Part No.351NP 30)

Engine Piston Set

from

$97.99
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:
  • 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
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Sealed Power – Engine Connecting Rod Bearing (Part No.2120CP)

Engine Connecting Rod Bearing

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:
  • 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
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Sealed Power – Engine Connecting Rod Bearing (Part No.2555CP 30)

Engine Connecting Rod Bearing

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:
  • 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
See More

Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-3345P 20)

Engine Connecting Rod Bearing Set

from

$94.99
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:
  • 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
See More

Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-2555CP)

Engine Connecting Rod Bearing Set

from

$90.99
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:
  • 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
See More

Sealed Power – Engine Piston Set (Part No.502NP)

Engine Piston Set

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:
  • 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
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Sealed Power – Engine Piston Set (Part No.609P 30)

Engine Piston Set

from

$73.99
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:
  • 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
See More

National – Shaft Repair Sleeve (Part No.99187)

Shaft Repair Sleeve

from

$36.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
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National – Shaft Repair Sleeve (Part No.99176)

Shaft Repair Sleeve

from

$46.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
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Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4663M 10)

Engine Crankshaft Main Bearing Set

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:
  • 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
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Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4663MA 30)

Engine Crankshaft Main Bearing Set

from

$97.99
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:
  • 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
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Sealed Power – Engine Piston Set (Part No.H597DCP 40)

Engine Piston Set

from

$22.79
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:
  • 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.
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Sealed Power – Engine Piston Set (Part No.H597DCP 30)

Engine Piston Set

from

$22.79
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:
  • 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.
See More

Sealed Power – Engine Piston Set (Part No.H801CP 30)

Engine Piston Set

from

$19.29
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:
  • Helps improve cylinder sealing for less blow-by
  • Retains standard ring gaps in top groove
  • DUROSHIELD skirt-coated piston
  • Moly-graphite coating extends engine life
  • Reduces friction for higher fuel economy
  • Prevents damage from inadequate lubrication on start-up
  • Head Type: Recessed Head D shaped dish .250 deep – 8.0:1 C.R.; Improved design, non-strutted; Repl. both L.H. & R.H. pistons; DUROSHIELD skirt coated piston
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Sealed Power – Engine Piston Ring Set (Part No.E-408K 40)

Engine Piston Ring Set

from

$89.99
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:
  • Face of top rings coated with latest generation Plasma-Moly
  • Decreases friction
  • Very resistant to scuffing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
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Sealed Power – Engine Piston Ring Set (Part No.E-288K 30)

Engine Piston Ring Set

from

$81.99
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:
  • Face of top rings coated with latest generation Plasma-Moly
  • Decreases friction
  • Very resistant to scuffing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Sealed Power – Engine Piston Ring Set (Part No.E-290X)

Engine Piston Ring Set

from

$91.99
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:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

PowerBond – Flange Hub Long; , GM VIN P, W Engine, 55 mm Depth (Part No.FHL1481SS)

Flange Hub Long; , GM VIN P, W Engine, 55 mm Depth

from

$162.99
Dayco flange hubs are designed to be used with Dayco harmonic balancers, including the company’s high performing SFI certified balancers, as well as with OE replacement balancers. The flange hubs are made of high-quality material to meet and exceed strict quality requirements.

Product Features:
  • Made from high-quality materials to meet or exceed OE fit, form and function
  • Engineered to provide excellent performance and superior reliability
  • Designed to absorb and reduce harmonic vibrations
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Mr. Gasket – Ultra Seal: Harmonic Balancer Bolt/Washer Kit (Part No.945G)

Ultra Seal: Harmonic Balancer Bolt/Washer Kit

from

$15.49
This is a high quality bolt set that is made of grade 8 steel and will meet your requirements for a quality bolt set, this set will work on original equipment, high performance street, drag or circle track applications.

Product Features:
  • Has A Zinc Dichromate Finish
  • Made Of High Quality Grade 8 Steel
  • Has A Tall Hex Head To Prevent Wrench Slipping Off
  • Extra Thick Parallel Ground Washer
  • Washer Provides More Accurate And Uniform Torque
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Engine Internals Brands You Can Trust For Your Cadillac Fleetwood

8 trusted brands of Engine Internals line our shelves, ready to help keep your Cadillac Fleetwood running smooth. Below are some of the most popular brands and their top Engine Internals offerings:

Popular Sealed Power Engine Internals

Sealed Power products for the Cadillac Fleetwood span several categories. Some of the highest-rated Sealed Power Engine Internals that will fit your Cadillac Fleetwood are:
Engine Piston Ring Set
from $202.99
(1)
Engine Piston Ring Set
Standard Piston Rings
Engine Connecting Rod Bearing Set
from $90.99
(1)
Engine Connecting Rod Bearing Set
Standard Rod Bearing Sets
Engine Connecting Rod Bearing
from $5.99
(2)
Engine Connecting Rod Bearing
Standard Individual Rod Bearings

Top Cadillac Fleetwood Engine Internals from National

Your Cadillac Fleetwood will be purring again thanks to National brand Engine Internals available for online order or in-store pick up. Popular National parts include:
Multi-Purpose Seal
from $17.99
(15)
Multi-Purpose Seal
Crankshaft Seals
Shaft Repair Sleeve
from $36.49
(1)
Shaft Repair Sleeve
Main Bearing Repair Sleeves

Most Purchased Cadillac Fleetwood Engine Internals from Felpro

When you buy the most frequently purchased Felpro brand Engine Internals, you can be confident it will be the right part for your Cadillac Fleetwood. Here are the Felpro Engine Internals Advanced Auto customers buy the most:
Engine Crankshaft Seal Kit
from $37.99
(4)
Engine Crankshaft Seal Kit
Crankshaft Seals
Multi-Purpose Seal
from $17.99
(15)
Multi-Purpose Seal
Crankshaft Seals
Engine Crankshaft Seal Kit
from $32.99
(6)
Engine Crankshaft Seal Kit
Crankshaft Seals

FAQs for Cadillac Fleetwood Engine Internals

What are the most purchased Engine Internals for the Cadillac Fleetwood?

Out of 117 Engine Internals for the Cadillac Fleetwood, the most popular in our inventory are:
Ultra Seal: Harmonic Balancer Bolt/Washer Kit
from $15.49
(12)
Ultra Seal: Harmonic Balancer Bolt/Washer Kit
Crankshaft Bolts
Engine Crankshaft Seal Kit
from $37.99
(4)
Engine Crankshaft Seal Kit
Crankshaft Seals
Engine Crankshaft Seal Kit
from $32.99
(6)
Engine Crankshaft Seal Kit
Crankshaft Seals

What are the top-rated Cadillac Fleetwood Engine Internals?

Top-rated Engine Internals for your Cadillac Fleetwood based on customer reviews/ratings are:
Engine Connecting Rod Bearing Set
from $78.99
(4)
Engine Connecting Rod Bearing Set
“great”
Engine Crankshaft Main Bearing Set
from $57.99
(2)
Engine Crankshaft Main Bearing Set
“worked great”
Oil Seal
from $10.79
(2)
Oil Seal
“easy TO INSTALL, WORKS PERFECT, EXCELLENT PRICE”