1981 Buick Estate Wagon Engine Parts

Name: Rubber Expansion Plug 1-1/2 In. - Size Range 1-1/2 In. - 1-5/8 In. (Sold by each)
Brand: Dorman
SKU: 570-009
Price: 14.99 USD

Below you will find various in-demand Buick Engine Parts, components and accessories for your 1981 Estate Wagon. Advance Auto Parts has popular Estate Wagon parts like Engine Gaskets and Seals, Valve Cover and Cylinder Heads, Engine Mounts and more. You’ll also find aftermarket and OEM Engine Parts for other Estate Wagon model years including 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979 and more. Select a category of 1981 Buick Estate Wagon Engine Parts below and start saving instantly.

Popular 1981 Buick Estate Wagon Engine Parts Categories

Valve Covers

Engine Valve Lifters

Valve Cover Gaskets

Engine Timing Chain Kits

Oil Pumps

OE Engine Oil Coolers

Engine Oil Pump Pickup Tube and Screens

Engine Valve Stem Seals

Oversized Main Bearings

Camshaft Bearings

Standard Rod Bearing Sets

Standard Piston Rings

Timing Chains

Engine Oil Galley Plugs

Standard Individual Rod Bearings

Camshaft Plugs

Timing Crank Gears

Expansion Plugs

Expansion Plug – Pipes

Fuel Pump Gaskets

Rocker Arm Shafts

Engine Valve Locks

Rocker Arm Shaft Plugs

Camshaft Thrust Buttons

Engine Rocker Arm Pivots

Cylinder Heads

Engine Assembly Lube

Essential Engine Parts for 1981 Buick Estate Wagons

from

$14.99

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

from

$33.99

Utilizes the latest in design and technology to offer complete chain sets. CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance. Utilizes the latest in design and technology to offer complete chain sets. Refer to our online catalog for detailed application-specific information. SET INCLUDES: S348T Engine Timing Camshaft Sprocket (1 EA), S349 Engine Timing Crankshaft Sprocket (1 EA), C498 Engine Timing Chain (1 EA).

Product Features:

Timing Set includes all components for a quick and efficient replacement
CAD designed and manufactured using premium materials
Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Utilizes the latest in design and technology to offer complete chain sets
Refer to our online catalog for detailed application-specific information

from

$203.99

Made in USA. Melling high volume oil pumps increase the amount of oil flow by an average of 20% through the engine improving oil pressure at idle providing dependable performance every time in every application. Every Melling high volume oil pump is engineered and assembled to the highest production standards from high quality materials. All Melling high volume oil pumps use the latest in gear and gerotor technology to provide the highest level of quality and performance. High volume gears are machined to close tolerances to ensure proper engine pressure and correct, efficient pump operation. End plates are precision ground for maximum wear resistance. Every Melling oil pump is individually tested for pressure and flow under conditions designed to duplicate actual engine operating conditions.

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
High volume oil pump supplies additional oil to engines when necessary for high performance applications or low oil pressure issues

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$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:

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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$13.99

The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to Applicable to BUIC 68-81; PONT 76-80;. Please verify your application.

Product Features:

MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
For Years: 1968-1981
Weight approx: 3 Lbs
PART GROUP: 2281, 2281

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$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:

Face of top rings are coated with latest generation Plasma-Moly
Decreases friction
Very resistant to scuffing
Exacting tolerances
Meets or exceeds OEM specifications

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$397.99

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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$10.49

Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation

Product Features:

Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
CAD designed and manufactured using premium materials
Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Refer to our online catalog for detailed application-specific information

from

$5.99

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

from

$2.29

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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$61.99

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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$5.49

This pipe plug matches the original equipment plug for diameter, thread pitch and head type to ensure a reliable repair. Made of corrosion-resistant material, it has been engineered for leak-free performance and a long service life.

Product Features:

Ideal replacement – this pipe plug matches the diameter, thread pitch and head type of the original equipment part
Durable construction – this plug is made of quality materials for dependable service
Leak-free performance – quality manufacturing process ensures a tight for reliable sealing
Quality tested – this plug has undergone validation testing to ensure proper fit and function for this vehicle’s application

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$248.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

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
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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$45.99

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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$2.99

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

from

$169.99

New Standard Replacement Engine Oil Pan, [Gasket Not Included]

Product Features:

Gasket Not Included
Meets All Federal Motor Safety Standards
No Drilling Needed For Installation
No Modifications Needed For Installation
Direct Fit Replacement For Your Vehicle
Same Form Fit And Function As OE
Check Out The Large Selection Of Parts Available For Your Vehicle

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$89.99

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

from

$2.79

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

from

$10.49

Formulated for prelubrication cam lobes, lifters & engine bearings
Increases load carrying capacity
Holds fast to surfaces
Exacting tolerances
Meets or exceeds OEM specifications
4.0 oz. Squeeze Container

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$41.99

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: split-lip; 2-piece
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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$110.99

CARDONE Remanufactured Electronic and Powertrain Control Modules are designed to meet or exceed O.E. performance. Reverse engineering provides insight into how and why the unit originally failed, allowing our engineers to identify and correct original design weaknesses. All critical components are re-soldered or replaced at our Philadelphia manufacturing plant, and each unit is 100 percent computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.

Product Features:

Tested with automated computer equipment or bench-tested, depending on application, to ensure functionality.
Re-soldering of critical components ensures superior electrical connections. This prevents intermittent failures and leads to longer product life.
On-car vehicle validation is done to test durability and performance.
As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80 percent.

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$15.99

A timing chain synchronizes the rotation of the crankshaft and camshaft(s) ensuring proper timing and allows the engine’s valves to open and close during each cylinder’s firing. Available in kits or as a stand-alone product, our chains are pre-stressed and heat-treated for increased durability. Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment

Product Features:

Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
CAD designed and manufactured using premium materials
Refer to our online catalog for detailed application-specific information
Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Plates And Rollers With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.

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$22.99

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
ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road

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$0.43

Unsurpassed quality that you can trust
Uses leading edge materials
State-of-the-art manufacturing
Exacting tolerances
Meets or exceeds OEM specifications

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$18.99

Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
CAD designed and manufactured using premium materials
Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Refer to our online catalog for detailed application-specific information

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$87.99

The Edelbrock #4485 Signature Series Valve Covers are designed for Oldsmobile 350-455 V8 (fits 5- and 10-hole heads) applications. Engineered for function and styled for great looks, Signature Series valve covers have stock-style breather baffles that prevent oil passage to the PCV valve. These quality valve covers accept all emissions equipment, including PCV valve holes. Rubber grommets for the breather and PCV valve holes are included. Matching breathers sold separately.

Product Features:

Oldsmobile 350-455 V8, 1968-90
Short
Chrome Steel
Set Of Two
Rubber Grommets For Breather

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$1.99

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

from

$134.99

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

Upgrade your 1981 Buick Estate Wagon with Top-Quality Engine Parts

When it comes to maintaining or upgrading your 1981 Buick Estate Wagon, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Buick or enhancing its overall performance, Engine Parts are key to keeping your Estate Wagon functioning at its best. At Advance Auto Parts, we offer a wide selection of 70 Engine Parts for the 1981 Buick Estate Wagon, designed to meet your needs without breaking the bank. From Engine Gaskets and Seal replacements to Valve Cover and Cylinder Heads upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Engine Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Engine Parts for your 1981 Buick Estate Wagon at great prices. Our Engine Parts inventory for this model ranges from just $0.43 to $479.99, with an average price of $53.22. Our 70 Engine Parts in stock come from 16 trusted brands, so you’re sure to find the right part for your 1981 Buick Estate Wagon without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1981 Buick Estate Wagon, we stock popular OEM and aftermarket Engine Parts from top names like Sealed Power, Dorman, Imperial, and more. Sealed Power Engine Parts start at just $0.43 and boast an impressive 4.3 stars average rating from customers. Dorman and Imperial also bring quality to the table, with Engine Parts available starting at $1.29, and at an average 4.2 stars rating. With 64 customer reviews and counting, our 1981 Buick Estate Wagon Engine Parts have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Engine Part upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 1981 Buick Estate Wagon is always ready to roll. We’re committed to providing you with everything you need to keep your Estate Wagon in top shape, all in one place. Start shopping confidently below for your 1981 Buick Estate Wagon!

Best-Selling Engine Gaskets and Seals for 1981 Buick Estate Wagons

Enhance the driving experience in your Buick with 5 quality Engine Gaskets and Seal components, starting at $2.99.

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$22.99

DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road

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$26.99

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
Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes

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$223.99

COMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive-stop Teflon seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal is normally used when a larger-than-stock diameter spring is used, in the case of a double spring, the positive-stop Teflon seal is used. The umbrella seals require no machining, but with the Teflon seal it is necessary to disassemble the heads and machine the top of the guide with a special .530 diameter cutter. Whenever you are planning an engine overhaul or a cam change, don’t forget the valve seals.

Product Features:

Work with .530″ guides and 11/32″ valve stem diameter
Valve stem oil seals keep unwanted oil from entering the combustion chamber
Several different types of valve seals are offered

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$104.99

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
NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces

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$2.99

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.

Most Popular 1981 Buick Estate Wagon Valve Cover and Cylinder Heads

Customize your Buick with 11 Valve Cover and Cylinder Heads products like Engine Valve Lifters, Valve Covers, and Engine Valve Locks, all priced under $479.99.

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from

$9.99

Unsurpassed quality that you can trust
Uses leading edge materials
State-of-the-art manufacturing
Exacting tolerances
Meets or exceeds OEM specifications

from

$0.43

Unsurpassed quality that you can trust
Uses leading edge materials
State-of-the-art manufacturing
Exacting tolerances
Meets or exceeds OEM specifications

from

$2.99

Unsurpassed quality that you can trust
Uses leading edge materials
State-of-the-art manufacturing
Exacting tolerances
Meets or exceeds OEM specifications

from

$73.99

Made of chrome plated steel. Smooth top with original equipment height and internal baffle. Features one breather/oil filler cap opening per valve cover. Hardware and gaskets sold separately.

Product Features:

Fits 1960-1986 Chevy 262-400 Small Block
OEM height, short-style covers
Chrome plated steel construction
Perimeter style bolt pattern
Features 1 breather/oil fill cap opening per valve cover
Sold as a pair

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$21.99

Unsurpassed quality that you can trust
Uses leading edge materials
State-of-the-art manufacturing
Exacting tolerances
Meets or exceeds OEM specifications

from

$2.49

from

$479.99

Inside tang-to-taper relationship held tightly for repeatable valve spring installed heights

Product Features:

For simplicity, any Super Lock fits any COMP Cams 10° retainer – just choose the correct lock for you valve size and application
Super Locks are recommended in all race applications

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$2.79

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

from

$368.99

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

from

$11.79

Unsurpassed quality that you can trust
Uses leading edge materials
State-of-the-art manufacturing
Exacting tolerances
Meets or exceeds OEM specifications

from

$7.29

Unsurpassed quality that you can trust
Uses leading edge materials
State-of-the-art manufacturing
Exacting tolerances
Meets or exceeds OEM specifications

Top Picks for 1981 Buick Estate Wagon Engine Mounts

Upgrade Buick Estate Wagons with top-quality Engine Mounts parts, including 1 OEM and aftermarket selections for your 1981 model.

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from

$9.29

The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to Applicable to BUIC 68-90; CHEV 78-90; GMC 78-84; OLDS 65-90; PONT 75-89;. Please verify your application.

Product Features:

MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
For Years: 1965-1990
Weight approx: 2 Lbs
PART GROUP: 2328, 2328
PRODUCT: MADE IN THE USA

In-Demand Camshafts for 1981 Buick Estate Wagons

Select from 6 premium Camshafts parts for your 1981 Buick Estate Wagon, with prices ranging from $2.99 to $41.99.

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$3.99

This engine camshaft 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 camshaft 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

from

$2.99

Direct replacement – this engine camshaft 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

from

$2.99

Direct replacement – this engine camshaft 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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$15.99

Fully Rollerized Operation. Heat-Treated Steel. Needle Roller Bearing. Meet or exceed OEM performance requirements.

Product Features:

Camshaft Thrust Button utilizes the latest in design and material technology, ensuring quiet and maintenance-free experience
Heat-Treated Steel
Needle Roller Bearing
Meet or exceed OEM performance requirements

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$2.99

Direct replacement – this engine camshaft 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

from

$41.99

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

Most Sold 1981 Buick Estate Wagon Engine Timing Parts

Explore our best-selling Buick parts for the 1981 Estate Wagon among 6 OEM and aftermarket options starting from $7.49.

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from

$45.99

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

from

$33.99

Timing Set includes all components for a quick and efficient replacement
CAD designed and manufactured using premium materials
Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Utilizes the latest in design and technology to offer complete chain sets
Refer to our online catalog for detailed application-specific information

from

$29.99

With the backing of an industry-leading two year or 60,000 mile parts and labor warranty, each Dayco timing chain kit includes top-grade timing chains, precision machined crank sprockets and cam sprockets, tensioners, high-grade plastic guides, seals and VVT solenoids and cam phasers if the application calls for it.

Product Features:

High quality chains prevent stretch for the life of the kit, addressing the no. 1 replacement issue
Precision machined sprockets for exact timing
High-grade plastic guides use same material as OE for excellent wear resistance
Contains: Camshaft Sprocket, Crankshaft Sprocket, Timing Chain

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$29.99

Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
CAD designed and manufactured using premium materials
Refer to our online catalog for detailed application-specific information
Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Plates And Rollers With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.

from

$10.49

Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
CAD designed and manufactured using premium materials
Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Refer to our online catalog for detailed application-specific information

from

$7.49

Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
CAD designed and manufactured using premium materials
Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Refer to our online catalog for detailed application-specific information

Top-Rated Engine Parts Brands For Your 1981 Buick Estate Wagon

Shop for the best-rated brands offering Engine Parts and other products for your 1981 Buick Estate Wagons. Below you’ll find some of our best rated Engine Parts from Sealed Power, Dorman, and Imperial, and more. Engine Parts from these brands that fit a 1981 Estate Wagon start at just $0.43 and are rated as high as 4.3 stars. OEM and aftermarket Engine Parts don’t get more top quality, durable, and affordable than from the brands below.

Popular Sealed Power 1981 Buick Estate Wagon Engine Parts

When it comes to maintaining or upgrading your 1981 Buick Estate Wagon, using quality Engine Parts is essential to ensure durability and a perfect fit. Sealed Power ticks all of those boxes. We offer a wide selection of Sealed Power Engine Parts, specifically designed for the 1981 Buick Estate Wagon. With over 3 Sealed Power brand Engine Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $0.43, with an average price of just $4.47. Plus, with over 4 customer reviews and an average rating of 4.3 stars, you can trust that our Sealed Power Engine Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

from $2.99

(1)

Engine Rocker Arm Pivot

“[…]”

from $0.43

(2)

Engine Valve Spring Retainer Keeper

“You guys are always great”

from $9.99

(1)

Engine Valve Lifter

“the lifters worked great and were easy to install thanks for the help.”

Popular Dorman 1981 Buick Estate Wagon Engine Parts

Dorman auto parts is one of the highest quality Engine Part brands in the market. Any 1981 Buick Estate Wagon owner should feel confident when installing genuine Dorman parts in their vehicle. To ensure the best fit and performance for your 1981 Estate Wagon, Advance Auto Parts carries a full inventory of 3 Dorman Engine Parts. Plus you will be keeping your Buick in peak condition while saving money because prices on these Dorman Engine Parts range from $1.29 to $9.49, plus, with more than 9 customer reviews and an impressive 4.2 stars average rating, you can be confident the Fram Engine Parts below will deliver on both quality and value.

from $9.49

(4)

Rubber Expansion Plug 1-5/8 In. – Size Range 1-5/8 In. – 1-3/4 In.

“These are supposed to be a temporary fix, but I have had these installed in a 93 6.5l diesel 395cu engine going on roughly 4 to 5 years now. They are”

from $1.29

(3)

Steel Cup Expansion Plug 1-1/2 In., Height 0.220

“worked out great. no problems”

from $5.49

(2)

Brass Pipe Plug – Square Head – 3/8 In. MNPT

“It was a plug for a radiator”

FAQs for 1981 Buick Estate Wagon Engine Parts

Which Engine Parts are best-sellers for 1981 Buick Estate Wagons?

Out of 70 Engine Parts that fit 1981 Buick Estate Wagons, the following parts are the top sellers:

Rubber Expansion Plug 1-5/8 In. – Size Range 1-5/8 In. – 1-3/4 In. (5701295) – $9.49
Engine Valve Lifter (3690024) – $21.99
Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (3492249) – $1.29

What’s the price range for 1981 Buick Estate Wagon Engine Parts?

Engine Part prices for the 1981 Buick Estate Wagon start at $0.43 and go up to $479.99 for the most premium parts.

What’s the average price of a Engine Part for a 1981 Buick Estate Wagon?

The average price for Engine Parts for the 1981 Buick Estate Wagon is $53.22. Keep in mind the variety of part types within our Engine Part category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Engine Parts for other Buick Estate Wagon model years?

Yes, we currently carry Engine Parts for 15 model years of Buick Estate Wagons between 1959 and 1979. Engine Parts are bought most frequently for the following model years: 1979, 1978, 1977, 1976, 1975, 1974, 1973, 1972, and 1971.

What are the cheapest Engine Parts for my 1981 Buick Estate Wagon?

The cheapest 1981 Buick Estate Wagon Engine Parts we carry in stock are:

Engine Valve Spring Retainer Keeper (19694179) – $0.43
Steel Cup Expansion Plug 29/32 In., Height 0.310 (sold by each) (22146595) – $0.99
Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (3492249) – $1.29
Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (22972463) – $2.29
Engine Rocker Arm Bridge (19694256) – $2.49

What are the top-rated Engine Parts that fit the 1981 Buick Estate Wagon?

Out of 64 reviews by customers, our 1981 Buick Estate Wagon Engine Parts have an average customer rating of . These are some of the highest-rated Engine Part types for the 1981 Buick Estate Wagon and their top-rated products:

Engine Gaskets and Seals
- Engine Valve Cover Gasket Set (5182611) – $22.99
- Engine Valve Cover Gasket Set (5781892) – $26.99
Valve Cover and Cylinder Heads
- Engine Valve Cover Gasket Set (5182611) – $22.99
- Engine Valve Cover Gasket Set (5781892) – $26.99

What types of Engine Parts do you sell for my 1981 Buick Estate Wagon?

As of 11/2/25, these are some of the most in-demand types of Engine Parts for a 1981 Buick Estate Wagon:

Can I get help with 1981 Buick Estate Wagon Engine Part orders?

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

What is your return policy for Buick Estate Wagon Engine Parts?

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

1981 Buick Estate Wagon Engine Parts

Dorman – Rubber Expansion Plug 1-1/2 In. – Size Range 1-1/2 In. – 1-5/8 In. (Sold by each) (Part No.570-009)

Cloyes Gear – Engine Timing Set (Part No.C-3006K)

Melling – Stock Replacement OE Type High Volume Oil Pump (Part No.M-22FHV)

Sealed Power – Engine Connecting Rod Bearing (Part No.3045A 10)

Anchor – Engine Mount: Front Right, Front Left, 1 Piece (Part No.2281)

Sealed Power – Engine Piston Ring Set (Part No.E-297K 30)

Spartan – Engine Cylinder Head; Olds 350 77-80 Cyl Head (Part No.2O04)

Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S348T)

Sealed Power – Engine Valve Lifter (Part No.HT-896B)

Dorman – Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (Part No.555-077.1)

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

Dorman – Brass Pipe Plug – Square Head – 3/8 In. MNPT (Part No.785-072D)

Imperial – Engine Oil Cooler (Part No.241046)

National – Shaft Repair Sleeve (Part No.99174)

Sealed Power – Engine Rocker Arm Pivot (Part No.MR-1903)

KAI – Engine Oil Pan (Part No.SPIGMP03A)

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

Dorman – Steel Cup Expansion Plug 1-1/2 In., Height 0.480 (sold by each) (Part No.555-028)

Sealed Power – Engine Assembly Lubricant (Part No.55-400)

National – Engine Crankshaft Seal (Part No.5118)

Cardone – Remanufactured Engine Control Computer (Part No.77-4810)

Cloyes Gear – Engine Timing Chain (Part No.C359)

Felpro – Engine Valve Cover Gasket Set (Part No.VS 13403 C)

Sealed Power – Engine Valve Spring Retainer Keeper (Part No.VK-115)

Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S369)

Edelbrock – Signature Series Valve Covers: Oldsmobile 350-455 V8, 1968-90, Chrome Steel (Part No.4485)

Dorman – Pik-a-Nut – Steel Cup Expansion Plug 5/8 In., SC, Height 0.232 (Part No.362619.1)

Felpro – Engine Gasket Set (Part No.260-1012)

Felpro – Engine Valve Cover Gasket Set (Part No.VS 13403 C)

Felpro – Engine Valve Cover Gasket Set (Part No.VS 50259 R)

Competition Cams – VALVE SEALS, 11/32" TEFLON 1 ST (Part No.503-16)

Felpro – PermaTorque Engine Gasket Set (Part No.FS 8653 PT-1)

Victor Reinz – Fuel Pump Mounting Gasket (Part No.71-13599-00)

Sealed Power – Engine Valve Lifter (Part No.HT-951)

Sealed Power – Engine Valve Spring Retainer Keeper (Part No.VK-115)

Sealed Power – Engine Rocker Arm Pivot (Part No.MR-1903)

Mr. Gasket – Valve Cover (Part No.9800)

Sealed Power – Engine Valve Lifter (Part No.HT-2104)

Sealed Power – Engine Rocker Arm Bridge (Part No.MR-1840)

Competition Cams – Set of 16 – 10 Degree, 11/32", Single Groove Locks w/ Lash Cap Recess (Part No.611-16)

Dorman – Steel Cup Expansion Plug 1-1/2 In., Height 0.480 (sold by each) (Part No.555-028)

Spartan – Engine Cylinder Head; Olds 307 80-84 Cyl Head (Part No.2O06)

Sealed Power – Engine Valve Lifter (Part No.HT-2104B)

Sealed Power – Engine Valve Lifter (Part No.HT-951B)

Anchor – Engine Mount: Front Left, Front Right, 1 Piece (Part No.2328)

Dorman – Pik-a-Nut – Steel Cup Expansion Plug 2-3/32 In., SC, Height 0.278 (Part No.362566.1)

Dorman – Steel Cup Expansion Plug 2-7/64 In., Height 0.310 (sold by each) (Part No.555-080)

Dorman – Steel Cup Expansion Plug 2-3/32 In., SC, Height 0.278 (sold by each) (Part No.555-049)

Cloyes Gear – Engine Camshaft Thrust Button (Part No.9-5193)

Dorman – Steel Cup Expansion Plug 2-3/32 In., Height 0.530 (sold by each) (Part No.555-085)

Sealed Power – Engine Camshaft Bearing Set (Part No.1466M)

National – Shaft Repair Sleeve (Part No.99174)

Cloyes Gear – Engine Timing Set (Part No.C-3006K)

Dayco – TIMING CHAIN KIT (Part No.KTC1393)

Cloyes Gear – Engine Timing Chain (Part No.C498)

Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S348T)

Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S349)