1974 Buick Century Engine Internals

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Keep Your 1974 Buick Century 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 1974 Buick Century looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Standard Rod Bearing Sets, Oversized Main Bearings, and Main Bearing Repair Sleeves. 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.

Top-Rated Engine Internals from Trusted Brands

Looking for a reliable Engine Internal? We’ve got you covered with options from brands you know and trust like National. For example, National Engine Internals start at just $36.49 with an average 4.3 star rating. With over 16 reviews and a solid 5 star average, you can shop with confidence knowing other Buick Century owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1974 Buick Century Engine Internal at Advance Auto Parts is around $68.97, with a range that starts at $8.79 and goes up to $117.99. With 23 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Engine Piston Ring Set, Engine Piston Ring Set, and Engine Connecting Rod Bearing Set start at just $52.99 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 Engine Gaskets and Seals and Engine Timing Parts. At Advance Auto Parts, we’re here to help you keep your 1974 Buick Century in peak condition, inside and out.

Essential 1974 Buick Century Engine Internals

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
See More

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
See More

Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-2555A 20)

Engine Connecting Rod Bearing Set

from

$78.99
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
  • 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
See More

Sealed Power – Connecting Rod Bearing Set (Part No.8-7100CH)

Connecting Rod Bearing Set

from

$84.99
Speed-Pro delivers the power you need and the value and quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro to provide the best value in HP engine components

Product Features:
  • H14 Super Duty alloy material
  • Our best bronze alloy material – extreme fatigue resistance & strength.
  • Does not have flash tin plating
  • Ensures dependable performance and superior service life
  • Application specific design to ensure a perfect fit and correct operation for unsurpassed quality that you can trust
  • Application-specific design for perfect fit and correct operation
See More

Sealed Power – Engine Connecting Rod Bearing Set (Part No.4-2020CP 30)

Engine Connecting Rod Bearing Set

from

$25.49
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:
  • 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 – Connecting Rod Bearing Set (Part No.8-7100CH 1X)

Connecting Rod Bearing Set

from

$76.99
Speed-Pro delivers the power you need and the value and quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro to provide the best value in HP engine components

Product Features:
  • Steel-backed Babbitt lining material
  • For use in automotive and high-performance applications
  • Babbitt designed to deform under extreme loads without damaging other engine parts
  • Meets unique demands of performance engines
  • Delivers dependable performance and superior service life
  • Application-specific design for perfect fit and correct operation
See More

Sealed Power – Engine Piston Ring Set (Part No.E-251X 20)

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

Sealed Power – Engine Piston Ring Set (Part No.E-251K 30)

Engine Piston Ring Set

from

$119.99
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-251K)

Engine Piston Ring 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:
  • 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-356K 20)

Engine Piston Ring Set

from

$68.99
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 (Part No.W454NP)

Engine Piston

from

$23.99
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
See More

Sealed Power – Engine Piston Set (Part No.H553CP 65)

Engine Piston Set

from

$40.99
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:
  • Hypereutectic
  • Made w/exclusive FM425 material for excellent strength & scuff resistance – allows tighter bore and improves sealing for less blow-by
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Sealed Power – Engine Piston Set (Part No.H547CP 20)

Engine Piston Set

from

$28.99
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:
  • 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 .165 deep x 3.120 dia. With shallow oil ring groove for low tension oil ring – 9.0:1 C.R.; DUROSHIELD skirt coated piston
See More

Sealed Power – Engine Piston Set (Part No.H547CP 40)

Engine Piston Set

from

$28.99
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:
  • 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 .165 deep x 3.120 dia. With shallow oil ring groove for low tension oil ring – 9.0:1 C.R.; DUROSHIELD skirt coated piston
See More

Sealed Power – Main Bearing Set (Part No.139M)

Main Bearing Set

from

$94.99
Speed-Pro delivers the power you need and the value and quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro to provide the best value in HP engine components

Product Features:
  • H14 Super Duty alloy material
  • Best bronze alloy material
  • Does not have flash tin plating
  • Extreme fatigue resistance & strength
  • 3/4 Grooved
  • Silicon particles help polish crankshaft journal (reduces wear during operation)
See More

Sealed Power – Engine Crankshaft Main Bearing Set (Part No.7144MA 40)

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:
  • 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
See More

Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4663M 40)

Engine Crankshaft Main Bearing Set

from

$55.99
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
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4294M 30)

Engine Crankshaft Main Bearing Set

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:
  • 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
See More

Sealed Power – Engine Connecting Rod Bearing (Part No.2555CP 20)

Engine Connecting Rod Bearing

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:
  • 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 (Part No.2020CP 20)

Engine Connecting Rod Bearing

from

$6.99
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 (Part No.2555CP 10)

Engine Connecting Rod Bearing

from

$6.99
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 (Part No.2555CP 1)

Engine Connecting Rod Bearing

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:
  • 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 (Part No.3755A)

Engine Connecting Rod Bearing

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.
See More

Sealed Power – Engine Piston Set (Part No.8KH423DCP 30)

Engine Piston Set

from

$190.99
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:
  • 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.454NP)

Engine Piston Set

from

$33.99
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
See More

Sealed Power – Engine Piston Set (Part No.454NP 20)

Engine Piston Set

from

$31.99
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
See More

Sealed Power – Engine Piston Set (Part No.454NP 30)

Engine Piston Set

from

$31.99
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
See More

Sealed Power – Cast Piston (Part No.H534CP 40)

Cast Piston

from

$37.99
Speed-Pro delivers the power you need and the value & quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro to provide the best value in HP engine components.

Product Features:
  • TAC ring groove geometry
  • Weight matched to +/- 2 grams
  • Piston skirts protected by next-gen DUROSHIELD coating
  • Exclusive higher-strength FM-425 alloy with 16.5% silicon finely dispersed throughout the material
  • Sophisticated barrel profiles help optimize oil wedge between skirt and wall
  • Machined valve reliefs and circlip grooves; LR-63 lock rings for floated applications
See More

Most Popular Standard Rod Bearing Sets for 1974 Buick Centuries

Enhance your 1974 Buick Century with one of the 4 Standard Rod Bearing Sets we have in stock, starting at just $36.99.

Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-3320CP 20)

Engine Connecting Rod Bearing Set

from

$63.99
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
See More

Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-3320CP 10)

Engine Connecting Rod Bearing Set

from

$61.99
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
See More

Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-2500RAA 10)

Engine Connecting Rod Bearing Set

from

$36.99
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
  • 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
See More

Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-2500RAA)

Engine Connecting Rod Bearing Set

from

$36.99
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
  • 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
See More

Best-Selling 1974 Buick Century Oversized Main Bearings

Upgrade your Century with one of our 6 best-selling Oversized Main Bearings.

Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4664M)

Engine Crankshaft Main Bearing 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:
  • 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
See More

Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4664M 10)

Engine Crankshaft Main Bearing 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:
  • 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
See More

Sealed Power – Main Bearing Set (Part No.157M 10)

Main Bearing Set

from

$117.99
Speed-Pro delivers the power you need and the value and quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro to provide the best value in HP engine components.

Product Features:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • IROX coating
  • Polymer coating enhances bearing
  • Made with silicon for greater surface hardness
  • Silicon particles help polish crankshaft journal (reduces wear during operation)
See More

Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4418M 10)

Engine Crankshaft Main Bearing Set

from

$103.99
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 applications
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4664M 30)

Engine Crankshaft Main Bearing 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:
  • 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
See More

Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4664M 20)

Engine Crankshaft Main Bearing 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:
  • 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
See More

Top-Quality Main Bearing Repair Sleeves for 1974 Buick Centuries

Choose a high-quality OEM or aftermarket Main Bearing Repair Sleef for Buick Centuries and enjoy top-notch performance from $36.49.

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
See More

Top Picks for 1974 Buick Century Standard Individual Rod Bearings

Invest in one of our 4 durable Standard Individual Rod Bearings for your 1974 Buick, knowing you’re getting trusted brands and expert craftsmanship.

Sealed Power – Engine Connecting Rod Bearing (Part No.3320CP 10)

Engine Connecting Rod Bearing

from

$10.99
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
See More

Sealed Power – Engine Connecting Rod Bearing (Part No.3320CP)

Engine Connecting Rod Bearing

from

$10.99
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
See More

Sealed Power – Engine Connecting Rod Bearing (Part No.2500RAA)

Engine Connecting Rod Bearing

from

$9.29
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:
  • 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
See More

Sealed Power – Engine Connecting Rod Bearing (Part No.2500RAA 10)

Engine Connecting Rod Bearing

from

$8.79
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:
  • 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
See More

Standard Piston Rings for 1974 Buick Centuries

Make a smart move for your 1974 Buick Century with products all priced from $52.99 to $114.99.

Sealed Power – Engine Piston Ring Set (Part No.E-289K 30)

Engine Piston Ring Set

from

$104.99
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:
  • Face of top rings are 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-288X)

Engine Piston Ring Set

from

$52.99
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:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Sealed Power – Engine Piston Ring Set (Part No.E-289K)

Engine Piston Ring Set

from

$114.99
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:
  • Face of top rings are 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-288K)

Engine Piston Ring Set

from

$85.99
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-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-288X 40)

Engine Piston Ring Set

from

$53.99
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:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Top-Rated Engine Internal Brands For Your 1974 Buick Century

When it comes to finding the perfect Engine Internal for your 1974 Buick Century, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Engine Internal brands including National, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $36.49. Purchasing a Engine Internal from us here at Advance Auto Parts is a smart move for both you and your 1974 Buick Century, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1974 Buick Century Engine Internals

If you’re looking for a top-quality Engine Internal for your 1974 Buick Century, Advance Auto Parts has exactly what you need with our selection of National Engine Internals. We have 1 National Engine Internals in stock for this fitment, all known for their durability and precision fit. With prices starting at just $36.49, you’ll find the perfect Engine Internal for your needs and budget. National Engine Internals for the 1974 Buick Century come highly rated, with over 1 customer reviews and an impressive average rating of 4.3 stars. Choosing a National Engine Internal from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Shaft Repair Sleeve
from $36.49
(1)
Shaft Repair Sleeve
“Fixed my Ford F-150 4.2. Fit well and installation tool seated the sleeve exactly where it needed to be. Super easy to use and covered the grooved s”

FAQs for 1974 Buick Century Engine Internals

What are the best-selling Engine Internals for 1974 Buick Centuries?

Out of 23 Engine Internals that fit 1974 Buick Centuries, the following parts are the top sellers:

What’s the price range for 1974 Buick Century Engine Internals?

The prices of Engine Internals for the 1974 Buick Century range from $8.79 up to $117.99 for the most premium parts.

What is the average price of an Engine Internal for a 1974 Buick Century?

The average price for Engine Internals for the 1974 Buick Century is $68.97. 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 Buick Century model years?

Yes, we carry Engine Internals for 36 model years of Buick Centuries between 1954 and 2005. The following model years are the most popular for Engine Internal purchases: 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, and 1997.

What are the cheapest Engine Internals for my 1974 Buick Century?

The cheapest 1974 Buick Century Engine Internals we carry are:

Does Advance Auto Parts sell Engine Internals for any other 1974 Buick models?

Yes. We stock Engine Internals for 5 other popular 1974 Buick models. Some of the most popular are 1974 Regal Engine Internals, 1974 LeSabre Engine Internals, 1974 Riviera Engine Internals, 1974 Electra Engine Internals, and 1974 Estate Wagon Engine Internals.

What are the top-rated Engine Internals that fit the 1974 Buick Century?

The one 1974 Buick Century Engine Internal we have in stock is the Engine Connecting Rod Bearing. It costs $8.79.

What types of Engine Internals do you sell for my 1974 Buick Century?

As of 3/1/26, these are some of the most in-demand types of Engine Internals for a 1974 Buick Century:

Can I get help with 1974 Buick Century Engine Internal orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Buick Engine Internals and more.

What is your return policy for Buick Century Engine Internals?

Advance Auto Parts keeps returns simple. For new Buick Century Engine Internals and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.