1981 Buick Century Engine Parts

Essential 1981 Buick Century Engine Parts

Felpro – Cylinder Head Gasket Set (Part No.HS 8507 PT)

Cylinder Head Gasket Set

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$85.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • PROPRIETARY COATING – Nonstick anti-friction coating seals small surface scratches and imperfections
  • SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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Sealed Power – Engine Gasket Set (Part No.260-1465)

Engine Gasket Set

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$111.99
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:
  • Each 260 gasket set includes Fel-Pro gaskets (# 1 brand of gaskets)
  • Provides the exact gaskets the application requires.
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
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Edelbrock – Valve Seat for Pontiac heads with 1.66" Valves (Part No.9714)

Valve Seat for Pontiac heads with 1.66" Valves

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$24.99
Product Features:
  • 1.66 in.
  • Ductile Iron Material
  • Exhaust
  • Sold Individually
  • Made In The USA
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Felpro – Valley Pan Gasket Set (Part No.MS 96033)

Valley Pan Gasket Set

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$42.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

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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Spectre – Harmonic Balancer Bolt (Part No.4699)

Harmonic Balancer Bolt

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$7.99
Spectre’s Harmonic Balancer Bolt Kit is designed to fit Chevrolet Small Block 265-400 V8 engines. This grade 8 bolt is 2-1/2 inches long, and features a plated finish for corrosion resistance. This kit also includes a security lock washer.

Product Features:
  • Fits Chevrolet Small Block 265-400 V8 engines
  • Features a corrosion resistant plated finish
  • Gold iridite finish
  • Grade 8 bolt, 7/16 inch-20 by 2-1/2 inches
  • Includes security lock washer
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Melling – Stock Replacement Oil Pump Screen (Part No.20-IS2)

Stock Replacement Oil Pump Screen

from

$28.99
A new Melling pick-up tube/oil screen assembly provides the lubrication oil as well as protection for your oil pump from materials that find their way into the engine oil supply system. Contaminates enter your oil system via engine ware, extended time between oil changes and other internal engine sources. These contaminates can interfere with the proper oil flow and pressure spring functions resulting in engine damage and/or failure. Melling suggests that a new properly installed oil pump pick-up tube/screen be a part of every oil pump installation. Several Melling oil pump applications are offered with an oil screen included.

Product Features:
  • Manufactured from high quality durable materials for long wear
  • Precision engineering protects the engine from dirt and contaminants
  • Designed for long-life and worry-free performance
  • Meets or exceeds original equipment specifications
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Mr. Gasket – Timing Cover (Part No.4590)

Timing Cover

from

$35.99
Dress up your engine for a customized look with these chrome plated covers. Note: For use with OEM style timing chain only. Double roller type chains or gear drives require checking for adequate clearance.

Product Features:
  • Fits Chevy small block 1955-87
  • For use with oem style timing chain only
  • Chrome plated steel
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Felpro – Engine Timing Cover Repair Sleeve (Part No.16215)

Engine Timing Cover Repair Sleeve

from

$9.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Engine$aver Hardware cost-saving application
  • Repairs worn sealing surfaces to assure a leak free repair
  • Meets or exceeds all original equipment specifications
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Validated for fit, form, and function
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ARP Auto Racing – ARP Cylinder Head Stud Kit (Part No.234-4301)

ARP Cylinder Head Stud Kit

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$316.99
ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated for superior to “aircraft” quality alloy steels. Secondly, each stud is placed vertically into special racks and precisely heat-treated to 200,000 psi for the 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the results are far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. 

Product Features:
  • 1/2″ 12-Point, 3/16″ Allen Socket Size(s)
  • 8740 Chromoly
  • Black Oxide
  • Small Block Chevy
  • Sold As A Kit
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Felpro – Engine Valve Cover Load Spreader Set (Part No.ES 72676)

Engine Valve Cover Load Spreader Set

from

$34.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Includes all parts needed to complete the repair
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Sealed Power – Engine Rocker Arm Bridge (Part No.MR-1840)

Engine Rocker Arm Bridge

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$2.49
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.
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Energy Suspension – Motor and Transmission Mount (Part No.3.1130G)

Motor and Transmission Mount

from

$109.99
Product Features:
  • Re-Engineered to Handle High Horsepower
  • Outlasts Rubber
  • Virtually Indestructible
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Melling – Oil Pump Thrust Plate Kit (Part No.P-20L)

Oil Pump Thrust Plate Kit

from

$40.49
The Melling gear thrust plate kit provides a new wearing surface for Buick oil pump kits. The Melling kit typically includes a cast iron thrust place, mounting gasket, the correct length screws plus a detailed instruction sheet. A Melling gear thrust plate kit is recommended to assure correct specifications and a new surface for the oil pump gears. Assure the best Buick pump performance with a Melling gear thrust plate kit.

Product Features:
  • Manufactured from high quality materials for consistent durable wear
  • Precision engineered for optimum fit and function
  • Designed for long-life and worry-free performance
  • Meets or exceeds original equipment specifications
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Felpro – Engine Gasket Set (Part No.FS 8510 PT)

Engine Gasket Set

from

$87.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Full Sets contain all the gaskets and seals necessary for a complete engine overhaul
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Validated for fit, form, and function
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Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-2555A 10)

Engine Connecting Rod Bearing Set

from

$157.99
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
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Imperial – Engine Oil Cooler (Part No.241046)

Engine Oil Cooler

from

$259.99
Product Features:
  • Imperial Swirl-Cool« engine oil cooler kit
  • Size: 1-1/2″ x 6-1/2″ x 18″
  • Heavy-duty applications
  • Chevrolet V8 applications
  • Size: 1.5 in. x 6.5 in. x 18 in.
  • Heavy duty applications
  • Specifically designed for Chevrolet V8 applications with metal line kit for easier installation
  • Two-pass design for increased cooling
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Sealed Power – Engine Camshaft Bearing Set (Part No.1235M)

Engine Camshaft Bearing Set

from

$45.49
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 Babbitt lining material
  • Used in automotive and high-performance
  • Babbitt is designed to perform under extreme loads w/o damaging other engine parts
  • Babbitt is more environmentally friendly than other material
  • ISO & QS certified manufacturing
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Sealed Power – Rocker Arm Assembly (Part No.R-1024R)

Rocker Arm Assembly

from

$11.99
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:
  • Superior ratio accuracy
  • Significant horsepower gains possible
  • Anodized for corrosion resistance & professional appearance
  • Rocker body precision machined from solid extruded aluminum bar
  • Aluminum roller rocker (ideal for racing & high output street driven vehicles)
  • Hardened & precision machined steel roller tip on high strength steel axle (minimizes guide friction)
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Felpro – Valve Stem Seal Set (Part No.SS 72531)

Valve Stem Seal Set

from

$10.29
Fel-Pro® gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design for Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Premium quality seals
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Felpro – Fuel Pump Mounting Gasket (Part No.13415)

Fuel Pump Mounting Gasket

from

$1.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Dorman – Pik-a-Nut – Steel Cup Expansion Plug 1-1/2 In., Height 0.480 (Part No.362650.1)

Steel Cup Expansion Plug 1-1/2 In., Height 0.480

from

$3.29
This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this engine expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Sealed Power – Performance Camshaft (Part No.CS-1014R)

Performance Camshaft

from

$98.99
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:
  • Reliable performance with significant power increase vs stock
  • Good low-end torque
  • Recommended for tow vehicle, street rod or muscle car
  • Power range: 1000-3500rpm
  • Idle: stock
  • Cruise: 1600-2200rpm
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Sealed Power – Engine Crankshaft Main Bearing Set (Part No.7242MA .25MM)

Engine Crankshaft Main Bearing Set

from

$54.99
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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Driveworks – Oil Pump Seal (Part No.S-222025)

Oil Pump Seal

from

$5.49
Product Features:
  • Brand may vary by location
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Dorman – Steel Cup Expansion Plug 5/8 In., SC, Height 0.232 (sold by each) (Part No.555-011)

Steel Cup Expansion Plug 5/8 In., SC, Height 0.232 (sold by each)

from

$1.49
This engine oil galley plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this engine oil galley plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Victor Reinz – Engine Timing Cover Gasket (Part No.71-14069-00)

Engine Timing Cover Gasket

from

$4.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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Dorman – Steel Cup Expansion Plug 42.3mm, Height 0.500 (sold by each) (Part No.555-110)

Steel Cup Expansion Plug 42.3mm, Height 0.500 (sold by each)

from

$1.29
This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this engine expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Spartan – Engine Cylinder Head; Buick 231/3.0 Cyl Head (Part No.2B01)

Engine Cylinder Head; Buick 231/3.0 Cyl Head

from

$344.99
Remanufactured Cylinder Heads are complete rebuild & include new valve stem seals, soft plugs & verified camshafts. All threads are checked and repaired if necessary. Cylinder Heads are packaged in heavy plastic to protect the unit.

Product Features:
  • All cylinder heads are both vacuum and pressure tested to verify valve seating, & integrity of water passages.
  • All cylinder heads are packaged in environmentally safe and recyclable containers that are the perfect size for returning your original core
  • All threads and machined surfaces are and repaired with technology that exceeds the original metal
  • Non-sealing iron surfaces painted to prevent oxidization
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1981 Buick Century Engine Parts

You count on your 1981 Buick Century to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Engine Parts. With 177 Engine Parts ranging in price from $0.43 to $1,851.99, you’re sure to find everything you need for your 1981 Buick Century.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 21 different brands like Dorman, Sealed Power, and Felpro. 1981 Buick Century Engine Parts start as low as $0.43!

One of the best ways to find top quality OEM or aftermarket Engine Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 3,661 extensive product reviews on 1981 Buick Century Engine Parts. Some of the top-rated Engine Parts products we carry are Engine Valve Cover Gasket Set with 2.6 stars and Gm Steel Expansion Plug Kit, 12 Expansion Plugs, 5 Pipe Plugs with 5.0 stars.

Did we mention you can order your Engine Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Engine Parts inventory for your 1981 Buick Century below to get started!

Top-Rated Engine Parts Brands For Your 1981 Buick Century

Trusted Engine Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1981 Buick Century running right for years to come. In our inventory you’ll find brands like Dorman, Sealed Power, Felpro, and even more.

Popular Carquest Premium Engine Parts

You’ll find popular Carquest Premium brand products across Engine Blocks. All are waiting to get your 1981 Buick Century back on the road. Some of the top-rated Carquest Premium products in these categories are:

Top-Rated Engine Parts


If are what you’re looking for, our inventory holds plenty. We stock brand Engine Parts for your 1981 Buick Century, and some of our most reviewed parts include:
Engine Long Block; Buick 231 79-84 Engine
from $1851.99
(1144)
Engine Long Block; Buick 231 79-84 Engine
Remanufactured Engines

FAQs for 1981 Buick Century Engine Parts

What are the most purchased Engine Parts for the 1981 Buick Century?

Out of 177 Engine Parts for the 1981 Buick Century, the most popular in our inventory are:
Engine Valve Lifter
from $15.79
This product is not rated
Engine Valve Lifter
Engine Valve Lifters
Engine Valve Lifter
from $8.49
This product is not rated
Engine Valve Lifter
Engine Valve Lifters
Steel Cup Expansion Plug 1-1/2 In., Height 0.220
from $0.99
(3)
Steel Cup Expansion Plug 1-1/2 In., Height 0.220
Expansion Plugs

What are the top-rated 1981 Buick Century Engine Parts?

Top-rated Engine Parts for your 1981 Buick Century based on customer reviews/ratings are:
Engine Valve Cover Gasket Set
from $21.99
(5)
Engine Valve Cover Gasket Set
“Product was as described and fit correctly.”
Gm Steel Expansion Plug Kit, 12 Expansion Plugs, 5 Pipe Plugs
from $10.79
(4)
Gm Steel Expansion Plug Kit, 12 Expansion Plugs, 5 Pipe Plugs
“All fit with no issues, quality appears to be very good. Couldn’t believe the low price and availability. I thought I’d have to order them and wait an”
Engine Timing Cover Gasket Set
from $21.49
(3)
Engine Timing Cover Gasket Set
“I have always used Fel Pro gaskets on everything automotive related. Whether it be one of my Hot Rod’s or my daily drivers. They are not cheap paper ”