1991 Buick Century Valve Cover and Cylinder Heads

Essential 1991 Buick Century Valve Cover and Cylinder Heads

Dorman – Pipe Plug C.S. Square 3/8-18 Npt, Head Size 5/16 In. (sold by each) (Part No.090-019)

Pipe Plug C.S. Square 3/8-18 Npt, Head Size 5/16 In. (sold by each)

from

$2.99
This engine cylinder head 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 cylinder head 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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Dorman – Pipe Plug C.S. Square 1/4-18 Npt, Head Size 1/4 In. (sold by each) (Part No.090-067)

Pipe Plug C.S. Square 1/4-18 Npt, Head Size 1/4 In. (sold by each)

from

$4.99
This engine cylinder head 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 cylinder head 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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Dorman – Pipe Plug C.S. Hex 1/8-27 Npt X 5/16 In. (sold by each) (Part No.090-046)

Pipe Plug C.S. Hex 1/8-27 Npt X 5/16 In. (sold by each)

from

$1.99
This engine cylinder head 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 cylinder head 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
See More

Felpro – Cylinder Head Gasket: Composite, Without Head Bolts (Part No.9469 PT)

Cylinder Head Gasket: Composite, Without Head Bolts

from

$26.49
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:
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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Felpro – Cylinder Head Gasket: Composite, Without Head Bolts (Part No.9644 PT)

Cylinder Head Gasket: Composite, Without Head Bolts

from

$19.99
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:
  • Requires no retorquing of the head bolts
  • Unsurpassed quality you can trust
  • Unsurpassed quality you can trust
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Felpro – Cylinder Head Gasket: Composite, Without Head Bolts (Part No.8494 PT)

Cylinder Head Gasket: Composite, Without Head Bolts

from

$30.49
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:
  • PermaTorque head gaskets meets or exceeds all original equipment specifications
  • Unsurpassed quality you can trust
  • Unsurpassed quality you can trust
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Sealed Power – Engine Valve Lifter (Part No.HT-2270)

Engine Valve Lifter

from

$19.99
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
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Sealed Power – Engine Valve Lifter (Part No.HT-2148A)

Engine Valve Lifter

from

$24.79
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
  • New OEM riveted pin retaining design
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Sealed Power – Engine Valve Lifter (Part No.HT-817R)

Engine Valve Lifter

from

$8.49
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:
  • Retro-fit performance
  • High-strength steel retainer (precisely limits plunger travel to perform at high rpm)
  • Eliminates frequent lash adjustments
  • Significant friction reduction substantially increases horsepower and fuel economy
  • Delivers quieter engine operation
  • Application-specific design for perfect fit and correct operation
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Dorman – Steel Cup Expansion Plug 1-1/2 In., Height 0.480 (sold by each) (Part No.555-028)

Steel Cup Expansion Plug 1-1/2 In., Height 0.480 (sold by each)

from

$2.29
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
See More

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)

Rubber Expansion Plug 1-1/2 In. - Size Range 1-1/2 In. - 1-5/8 In. (sold by each)

from

$8.49
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
See More

Felpro – Engine Cylinder Head Gasket Set (Part No.HST 9957 PT-2)

Engine Cylinder Head Gasket Set

from

$221.99
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 THE TOUGHEST CONDITIONS — Engineered for hardworking vehicles that operate in severe conditions
  • STRONG AND DURABLE — Severe duty steel core gaskets designed slightly thicker to accommodate for machined surfaces
  • PREMIUM MATERIALS — High-grade stainless armor enhances strength and corrosion resistance while proprietary coatings enhance sealing and anti-stick properties
  • SUPERIOR SEAL — Precise embossed Printoseal sealing beads at all vital areas to eliminate leak paths
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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Felpro – Cylinder Head Gasket Set (Part No.HS 9957 PT-1)

Cylinder Head Gasket Set

from

$134.99
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:
  • Head sets contain gaskets and seals necessary for a valve grind or head reconditioning job
  • Application specific design to ensure a perfect fit and premium seal
  • Premium quality parts you can trust
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Contains all the parts needed to complete the repair unless otherwise noted
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Felpro – Cylinder Head Gasket Set (Part No.HS 9957 PT-3)

Cylinder Head Gasket Set

from

$214.99
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:
  • 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
  • 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 Valve Spring Retainer Keeper (Part No.VK-291)

Engine Valve Spring Retainer Keeper

from

$0.65
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 Valve Spring Retainer Keeper (Part No.VK-283)

Engine Valve Spring Retainer Keeper

from

$0.51
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 Valve Spring Retainer Keeper (Part No.VK-216)

Engine Valve Spring Retainer Keeper

from

$1.49
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:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Felpro – Engine Cylinder Head Bolt Set (Part No.ES 74022)

Engine Cylinder Head Bolt 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
  • Avoid risk associated with re-use of T-T-Y (torque to yield) head bolts
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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Felpro – CYLINDER HEAD BOLT SET (Part No.ES 72892)

CYLINDER HEAD BOLT SET

from

$51.99
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
  • Avoid risk associated with re-use of T-T-Y (torque to yield) head bolts
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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ARP Auto Racing – For Use With Oem Cylinder Heads/ Most Edelbrock, 12Point Head, 180000Psi Tensile (Part No.134-3701)

For Use With Oem Cylinder Heads/ Most Edelbrock, 12Point Head, 180000Psi Tensile

from

$119.99
All Pro Series bolts are cold forged to ensure molecular integrity, heat treated prior to thread rolling and machining, and are rated at 200,000 PSI tensile strength. ARP Pro Series head bolt kits are application specific, designed for use with typically competition only components. These fasteners deliver superior strength and meet the ARP zero defect zero failure quality standard. Hardened and parallel ground washers are included with each kit to ensure even load distribution and accurate torque readings. All Pro Series head bolts have a reduced wrenching hex or 12 point head and wide area flange to eliminate the need for valve train removal for cylinder head retorquing and permits the use of larger diameter valve springs. Most applications have undercut short bolts that can help eliminate head gasket failures through providing more stretch to compensate for the additional compression of gaskets.

Product Features:
  • Pro Series Bolts Are Cold Forged To Ensure Molecular Integrity, Heat Treated Prior To Thread Rolling And Machining
  • Nominally Rated At 200,000 PSI Tensile Strength
  • These Fasteners Deliver Superior Strength And Meet The ARP Zero Defect Zero Failure Quality Standard
  • Bolts Have A Reduced Wrenching Hex Or 12 Point Head And Wide Area Flange To Eliminate The Need For Valve Train Removal For Cylinder Head Retorquing And Permits The Use Of Larger Diameter Valve Springs
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Mahle – Valve Cover O-Ring S (Part No.A8026569272MAH)

Valve Cover O-Ring S

from

$23.30
Valve Cover O-Ring S

Felpro – Engine Valve Cover Grommet Set (Part No.ES 72833)

Engine Valve Cover Grommet Set

from

$21.49
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 for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
See More

Felpro – Engine Valve Cover Grommet Set (Part No.ES 72125)

Engine Valve Cover Grommet Set

from

$23.79
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
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
See More

Edelbrock – Signature Series Valve Covers: Small Block Chevy 262-400 1959-86, Chrome Steel (Part No.4649)

Signature Series Valve Covers: Small Block Chevy 262-400 1959-86, Chrome Steel

from

$72.99
The Edelbrock #4649 Signature Series Valve Covers are designed for Chevrolet 262-400 ’59-86 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:
  • Small Block Chevy 262-400 1959-86
  • Tall
  • Chrome Steel
  • Set Of Two
  • Rubber Grommets For Breather
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Edelbrock – Signature Series Valve Covers: Oldsmobile 350-455 V8, 1968-90, Chrome Steel (Part No.4485)

Signature Series Valve Covers: Oldsmobile 350-455 V8, 1968-90, Chrome Steel

from

$82.99
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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Spectre – Valve Cover (Part No.5210)

Valve Cover

from

$79.99
Available in various sizes, heights, and finishes, Spectre offers a wide variety of high performance valve covers designed to easily replace your stock covers. Designed for 1958-1986 Chevrolet Small Block 265-400 engines, this valve cover features chrome-plated steel construction and a smooth design. Sold in pairs, this tall profile cover is baffled to provide optimum function. With show quality construction and a sealing edge designed for an ideal fit, our valve covers are engineered to look great for applications ranging from custom builds to replacing stock equipment.

Product Features:
  • Designed for 1958-1986 Chevrolet Small Block 265-400 engines
  • Baffled for breather system compatibility
  • Sold in pairs
  • Triple chrome-plated steel construction
  • Tall profile
  • Features OEM style sealing edge
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Edelbrock – Signature Series Valve Covers: Pontiac 301-455,V8, Short, Chrome Steel (Part No.4456)

Signature Series Valve Covers: Pontiac 301-455,V8, Short, Chrome Steel

from

$85.99
The Edelbrock #4456 Signature Series Valve Covers are designed for Pontiac 301-326-350-389-400-421-455 V8 – ’62-79 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:
  • Pontiac 301-455, V8
  • Short
  • Chrome Steel
  • Set Of Two
  • Rubber Grommets For Breather
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Edelbrock – Classic Series Valve Covers: Small Block Chevy 262-400 1959-86, Black Aluminum (Part No.41443)

Classic Series Valve Covers: Small Block Chevy 262-400 1959-86, Black Aluminum

from

$371.99
The Edelbrock part #41443 Classic Series Valve Covers are designed for Chevy 262-400 V8 1959-86 (with oil fill hole) applications and have a Black powder coat finish. Edelbrock first made these aluminum valve covers in the late ’50s and they’re still a classic. Made of heavy-gauge sand-cast aluminum, Overall height is measured from base to top at the highest point. Edelbrock classic valve covers can be machined to accept breathers if desired.

Product Features:
  • Small Block Chevy 262-400 1959-86
  • Tall
  • Black Aluminum
  • Set Of Two
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1991 Buick Century Valve Cover and Cylinder Heads

Maybe you’re in the middle of a full rebuild of that 1991 Buick Century. Maybe you just need a couple of Valve Cover and Cylinder Heads. Either way, Advance Auto Parts has 12 different Valve Cover and Cylinder Heads in our inventory ranging from $0.43 to $66.99. That means you can find the exact parts or products you need to keep that 1991 Buick Century running smoothly.

Valve Cover and Cylinder Heads are only as good as their brand. We stock 3 different brands to make sure you have plenty of trusted parts to choose from for your 1991 Buick Century. Sealed Power, Felpro, and Dorman are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Valve Cover and Cylinder Heads for your 1991 Buick Century, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Valve Cover and Cylinder Heads to keep your 1991 Buick Century rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Valve Cover and Cylinder Heads Brands To Make Your 1991 Buick Century Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1991 Buick Century demands trusted brand parts and products to keep it running. Many trusted brands of Valve Cover and Cylinder Heads make up Advance Auto Parts’ inventory, and all are ready to help make your Century the best it can be. Be sure to browse some of our top Valve Cover and Cylinder Heads brands and parts.

FAQs for 1991 Buick Century Valve Cover and Cylinder Heads

What are the most purchased Valve Cover and Cylinder Heads for the 1991 Buick Century?

Out of 12 Valve Cover and Cylinder Heads for the 1991 Buick Century, the most popular in our inventory are:
Engine Valve Lifter
from $24.79
This product is not rated
Engine Valve Lifter
Engine Valve Lifters
Engine Valve Cover Grommet Set
from $21.49
(20)
Engine Valve Cover Grommet Set
Valve Cover Grommets
Rubber Expansion Plug 1-1/2 In. - Size Range 1-1/2 In. - 1-5/8 In. (sold by each)
from $8.49
This product is not rated
Rubber Expansion Plug 1-1/2 In. – Size Range 1-1/2 In. – 1-5/8 In. (sold by each)
Rocker Arm Shaft Plugs