1968 Buick GS 400 Engine Parts
Find Your Specific 1968 Buick GS 400 Engine Parts
Below you will find various in-demand Buick Engine Parts, components and accessories for your 1968 GS 400. Advance Auto Parts has popular GS 400 parts like Engine Gaskets and Seals, Valve Cover and Cylinder Heads, Camshafts and more. You’ll also find aftermarket and OEM Engine Parts for other GS 400 model years including
1969 and more. Select a category of 1968 Buick GS 400 Engine Parts below and start saving instantly.
Popular 1968 Buick GS 400 Engine Parts Categories
Essential Engine Parts for 1968 Buick GS 400s
National – Shaft Repair Sleeve (Part No.99187)
from
$36.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
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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
Felpro – Engine Gasket Set (Part No.260-1150)
from
$153.99
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:
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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
Sealed Power – Engine Connecting Rod Bearing (Part No.3320CP 10)
from
$10.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Felpro – Engine Oil Pump Gasket (Part No.70032)
from
$3.29
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:
See More
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
Edelbrock – RPM Big-Block Buick Cylinder Head (Part No.60049)
from
$1595.99
Product Features:
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- Complete Single No Exhaust Crossover Port
- 68cc Combustion Chamber Volume
- 215cc Intake/130cc Exhaust Runner Volume
- 2.125 in. Intake/1.75 in. Exhaust Valve Diameter
- 0.625 in. Deck Thickness
Sealed Power – Engine Valve Lifter (Part No.HT-896)
from
$10.49
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:
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Product Features:
- Unsurpassed quality that you can trust
- Uses leading edge materials
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Felpro – PermaTorque Engine Gasket Set (Part No.FS 8494 PT)
from
$78.99
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:
See More
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
- 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
Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S398T)
from
$20.99
Sprocket Made From High Alloy Material. Features Precision Tooth Form To Assure Proper Chain Engagement, And Is Balanced For Proper Timing.
Product Features:
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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
National – Multi-Purpose Seal (Part No.3638)
from
$12.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
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Product Features:
- Design type: spring loaded; single-lip
- Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
- Resistance to EP lubricants
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair
Edelbrock – Engine Gasket Set (Head / Intake / Exhaust / Valve Cover) for Buick (Part No.7369)
from
$130.99
The Edelbrock No. 7369 head gaskets provide the best sealing solution and are matched to Edelbrock cylinder heads for optimal performance. Edelbrock relies on industry leading head gasket manufactures to ensure our head gasket sets will provide the best fit and sealing properties when used with Edelbrock aluminum cylinder heads. Edelbrock head gaskets are manufactured from high-density materials and feature a superior design that performs under pressure and provides a long-lasting seal, without re-torqueing.
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Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S369)
from
$18.99
Sprocket Made From High Alloy Material. Sprocket Teeth Are Heat Treated. Precision Tooth Form To Assure Proper Chain Engagement, And Precise Keyway To Tooth Timing.
Product Features:
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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
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4664M 20)
from
$97.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
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Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Hooker BlackHeart – Hooker BlackHeart Engine Mount Thru Bolt Hardware Kit (Part No.71223015HKR)
from
$22.99
Product Features:
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- Can be used for aftermarket poly mounts or OEM rubber (Rubber Mounts are for GM 4th Gen F-Body)
- Class 10.9 for strength
- Zinc plated for corrosion resistance
- Includes 2 flange head bolts and 2 flange nuts
Sealed Power – Engine Assembly Lubricant (Part No.55-400)
from
$10.49
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:
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Product Features:
- Formulated for pre-lubrication 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
Dorman – Steel Cup Expansion Plug 2-1/16 In. SC, Height 0.380 (Sold by each) (Part No.555-048)
from
$2.99
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:
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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
Carquest Premium – Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10066)
from
$6.99
Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.
Product Features:
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Product Features:
- Provides proper seal to ensure leak prevention
- Stops engine blow by
- High quality construction
- Meets all OEM specifications
Cloyes Gear – Engine Timing Set (Part No.C-3083)
from
$45.99
Sprockets Are Made From High Alloy Steel, and Heat-Treated For Durability. Chain Is Pre-Stressed and Heat-Treated For Longevity. SET INCLUDES: C498 Engine Timing Chain (1 EA), S369 Engine Timing Crankshaft Sprocket (1 EA), S398T Engine Timing Camshaft Sprocket (1 EA).
Product Features:
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Product Features:
- 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
Sealed Power – Engine Piston Ring Set (Part No.E-286K)
from
$101.99
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:
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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
Dorman – Steel Cup Expansion Plug 2.00 In., Height 0.420 (sold by each) (Part No.555-069)
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:
See More
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
Cloyes Gear – Engine Timing Chain (Part No.C498)
from
$29.99
Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Links With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.
Product Features:
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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.
Imperial – Ultra-Cool Engine Oil Cooler Kit (Part No.240457)
from
$191.99
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:
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Product Features:
- Size: 3/4 in. x 10 in. x 12-1/4 in.
- Medium duty applications
- All except Chevrolet V8 applications
- Two-pass design for increased cooling
- Size: 3/4 in. x 10 in. x 12-1/4 in.
- Medium duty applications
- All except Chevrolet V8 applications
- Two-pass design for increased cooling
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-3320CP 20)
from
$63.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
MAHLE Original – Fuel Pump Gasket (Part No.D27094)
from
$1.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
Product Features:
See More
Product Features:
- All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
- MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
- MAHLE gaskets is the leader in Domestic, Asian and European applications
- The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
Felpro – Engine Timing Cover Gasket Set (Part No.TCS 45002)
from
$23.29
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:
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Product Features:
- Timing cover set includes gaskets and seals necessary for timing chain/belt replacement job
- Application specific design to ensure a perfect fit
- Engineered and manufactured specifically for the repair environment
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Dorman – Rubber Expansion Plug 1-7/8 In. – Size Range 1-7/8 In. – 2 In. (Part No.02606)
from
$8.99
Our uniquely designed pilot seal expansion plugs ensure a leak-proof fit.
Product Features:
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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
Melling – Oil Pump Thrust Plate Kit (Part No.P-20I)
from
$43.49
Made In USA. 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:
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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
Upgrade your 1968 Buick GS 400 with Top-Quality Engine Parts
When it comes to maintaining or upgrading your 1968 Buick GS 400, 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 GS 400 functioning at its best. At Advance Auto Parts, we offer a wide selection of 54 Engine Parts for the 1968 Buick GS 400, 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 1968 Buick GS 400 at great prices.
Our Engine Parts inventory for this model
ranges from just $1.99 to $1,595.99, with
an average price of $103.96.
Our 54 Engine Parts in stock come from 13 trusted brands, so you’re sure to find the right part for your 1968 Buick GS 400 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 1968 Buick GS 400, we stock popular OEM and aftermarket Engine Parts from top names
like Carquest Premium, National, Imperial, and more.
Carquest Premium Engine Parts
start at just $6.99 and boast an impressive 4.4 stars average rating from customers.
National and Imperial also bring quality to the table, with Engine Parts available starting at $12.49, and at an average 4.3 stars rating.
With 25 customer reviews and counting, our 1968 Buick GS 400 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 1968 Buick GS 400 is always ready to roll. We’re committed to providing you with everything you need to keep your GS 400 in top shape, all in one place.
Start shopping confidently below for your 1968 Buick GS 400!
Best-Selling Engine Gaskets and Seals for 1968 Buick GS 400s
Enhance the driving experience in your Buick with 6 quality Engine Gaskets and Seal components, starting at $1.99.
Felpro – Engine Timing Cover Gasket Set (Part No.TCS 45002)
from
$23.29
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:
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Product Features:
- Timing cover set includes gaskets and seals necessary for timing chain/belt replacement job
- Application specific design to ensure a perfect fit
- Engineered and manufactured specifically for the repair environment
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Felpro – Engine Oil Pump Gasket (Part No.70032)
from
$3.29
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:
See More
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
Felpro – PermaTorque Engine Gasket Set (Part No.FS 8494 PT)
from
$78.99
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:
See More
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
- 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
Felpro – Engine Gasket Set (Part No.260-1150)
from
$153.99
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:
See More
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
Victor Reinz – Fuel Pump Mounting Gasket (Part No.71-13599-00)
from
$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:
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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.
MAHLE Original – Fuel Pump Gasket (Part No.D27094)
from
$1.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
Product Features:
See More
Product Features:
- All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
- MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
- MAHLE gaskets is the leader in Domestic, Asian and European applications
- The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
Most Popular 1968 Buick GS 400 Valve Cover and Cylinder Heads
Customize your Buick with 10 Valve Cover and Cylinder Heads products
like Engine Valve Lifters,
Push Rods, and
Cylinder Head Gasket Sets, all
priced under $1,595.99.
Sealed Power – Engine Valve Lifter (Part No.HT-896)
from
$10.49
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:
See More
Product Features:
- Unsurpassed quality that you can trust
- Uses leading edge materials
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Felpro – PermaTorque Engine Cylinder Head Gasket Set (Part No.HS 8494 PT)
from
$58.99
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:
See More
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
- 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
Edelbrock – RPM Big-Block Buick Cylinder Head (Part No.60049)
from
$1595.99
Product Features:
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- Complete Single No Exhaust Crossover Port
- 68cc Combustion Chamber Volume
- 215cc Intake/130cc Exhaust Runner Volume
- 2.125 in. Intake/1.75 in. Exhaust Valve Diameter
- 0.625 in. Deck Thickness
Edelbrock – CYL HEAD COMPONENTS (Part No.9605)
from
$383.99
CYL HEAD COMPONENTS
Competition Cams – Pro Magnum Hydraulic Flat Lifter Set for Buick 350-455. (Part No.865-16)
from
$231.99
Pro Magnum Hydraulic Flat Lifter Set for Buick 350-455.
Edelbrock – Engine Gasket Set (Head / Intake / Exhaust / Valve Cover) for Buick (Part No.7369)
from
$130.99
The Edelbrock No. 7369 head gaskets provide the best sealing solution and are matched to Edelbrock cylinder heads for optimal performance. Edelbrock relies on industry leading head gasket manufactures to ensure our head gasket sets will provide the best fit and sealing properties when used with Edelbrock aluminum cylinder heads. Edelbrock head gaskets are manufactured from high-density materials and feature a superior design that performs under pressure and provides a long-lasting seal, without re-torqueing.
See More
Competition Cams – High Energy Hydraulic Flat Lifter Set for Buick 350-455 and Cadillac 472-500 (Part No.869-16)
from
$123.99
High Energy Hydraulic Flat Lifter Set for Buick 350-455 and Cadillac 472-500
Competition Cams – 1 Spring (Part No.26120-1)
from
$25.99
1 Spring
Competition Cams – Engine Valve Spring (Part No.910-1)
from
$12.99
Engine Valve Spring
Competition Cams – High Energy 9.378" Long, 5/16" Diameter Pushrod (Part No.7896-1)
from
$7.99
High Energy 9.378" Long, 5/16" Diameter Pushrod
Top Picks for 1968 Buick GS 400 Camshafts
Upgrade Buick GS 400s with top-quality Camshafts parts, including 5 OEM and aftermarket selections for your 1968 model.
Sealed Power – Engine Valve Lifter (Part No.HT-969)
from
$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:
See More
Product Features:
- Unsurpassed quality that you can trust
- Uses leading edge materials
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Dorman – Steel Cup Expansion Plug 1-61/64 In., Height 0.510 (sold by each) (Part No.555-041)
from
$2.99
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:
See More
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
Dorman – Steel Cup Expansion Plug 2-1/16 In. SC, Height 0.380 (Sold by each) (Part No.555-048)
from
$2.99
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:
See More
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
Competition Cams – Mutha’ Thumpr 235/249 Hydraulic Flat Cam for Buick 400, 430, 455 (Part No.96-601-5)
from
$553.99
Mutha’ Thumpr 235/249 Hydraulic Flat Cam for Buick 400, 430, 455
Dorman – Steel Cup Expansion Plug 2-3/64 In. SC, Height 0.280 (sold by each) (Part No.555-047)
from
$2.99
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:
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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
In-Demand Engine Timing Parts for 1968 Buick GS 400s
Select from 7 premium Engine Timing Parts parts for your 1968 Buick GS 400, with prices ranging from $12.49 to $70.99.
National – Multi-Purpose Seal (Part No.3638)
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$12.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
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Product Features:
- Design type: spring loaded; single-lip
- Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
- Resistance to EP lubricants
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair
Cloyes Gear – Engine Timing Set (Part No.C-3083)
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$45.99
Sprockets Are Made From High Alloy Steel, and Heat-Treated For Durability. Chain Is Pre-Stressed and Heat-Treated For Longevity. SET INCLUDES: C498 Engine Timing Chain (1 EA), S369 Engine Timing Crankshaft Sprocket (1 EA), S398T Engine Timing Camshaft Sprocket (1 EA).
Product Features:
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Product Features:
- 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
Cloyes Performance – High Performance Timing Chain (Part No.9-149)
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$20.99
Street Performance 3/8″ Pitch Double Roller Replacement TRUE Roller Chain. Seamless 0.250″ Roller Diameter. Heat Treated and Processed Links to Maximize Breaking Strength while Remaining Ductile for Toughness. Pre-stressed to Increase Fatigue Life.
Product Features:
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Product Features:
- A timing chain synchronizes the rotation of the crankshaft and camshaft(s), ensuring proper timing of the engines valve events for each cylinder
- Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
- From stock replacement to high performance, Cloyes has the most complete timing chain catalog
- Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Cloyes recommends 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
- Refer to our online catalog for detailed application-specific information
- Keep your engines valvetrain in perfect time with Cloyes, the world leader in timing drive systems
Competition Cams – ENGINE TIMING SET (Part No.3217)
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$70.99
ENGINE TIMING SET
Cloyes Gear – Engine Timing Chain (Part No.C498)
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$29.99
Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Links With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.
Product Features:
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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.
Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S398T)
from
$20.99
Sprocket Made From High Alloy Material. Features Precision Tooth Form To Assure Proper Chain Engagement, And Is Balanced For Proper Timing.
Product Features:
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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
Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S369)
from
$18.99
Sprocket Made From High Alloy Material. Sprocket Teeth Are Heat Treated. Precision Tooth Form To Assure Proper Chain Engagement, And Precise Keyway To Tooth Timing.
Product Features:
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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
Most Sold 1968 Buick GS 400 Engine Mounts
Explore our best-selling Buick parts for the 1968 GS 400 among 1 OEM and aftermarket options starting from $16.49.
Anchor – Engine Mount: Front Left, Front Right, 1 Piece (Part No.2291)
from
$16.49
Anchor 2291 This mount supports the engine and dampen vibration. Each mount is specifically engineered and designed to OE standards. Natural and SBR rubber provide maximum life and performance. Steel fasteners are heat treated grade 5 bolts. A special bonding agent is used to ensure a rubber to metal bond. Rubber material is mixed to specific Durometer, hardness.
Product Features:
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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 Chemlok 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: 1967-1976
- Weight approx: 4 Lbs
- Part Group: 2291, 2291
- Product: Made In The Usa
Top-Rated Engine Parts Brands For Your 1968 Buick GS 400
Shop for the best-rated brands offering Engine Parts and other products for your 1968 Buick GS 400s. Below you’ll find some of our best rated Engine Parts from Carquest Premium, National, and Imperial, and more. Engine Parts from these brands that fit a 1968 GS 400 start at just $6.99 and are rated as high as 4.4 stars. OEM and aftermarket Engine Parts don’t get more top quality, durable, and affordable than from the brands below.
Popular Carquest Premium 1968 Buick GS 400 Engine Parts
When it comes to maintaining or upgrading your 1968 Buick GS 400, using quality Engine Parts is essential to ensure durability and a perfect fit. Carquest Premium ticks all of those boxes. We offer a wide selection of Carquest Premium Engine Parts, specifically designed for the 1968 Buick GS 400. With over 1 Carquest Premium brand Engine Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $6.99. Plus, with over 15 customer reviews and an average rating of 4.4 stars, you can trust that our Carquest Premium 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.
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$6.99
(15)
Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack
“Direct fit for 194 gif 350”
Popular National 1968 Buick GS 400 Engine Parts
National auto parts is one of the highest quality Engine Part brands in the market. Any 1968 Buick GS 400 owner should feel confident when installing genuine National parts in their vehicle. To ensure the best fit and performance for your 1968 GS 400, Advance Auto Parts carries a full inventory of 2 National Engine Parts. Plus you will be keeping your Buick in peak condition while saving money because prices on these National Engine Parts range from $12.49 to $36.49, plus, with more than 4 customer reviews and an impressive 4.3 stars average rating, you can be confident the Fram Engine Parts below will deliver on both quality and value.
from
$12.49
(3)
Multi-Purpose Seal
“I hate doubts whether or not this seal would fit, the professionals at my local store assured me it would, It Did”
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$36.49
(1)
Shaft Repair Sleeve
“Fixed my Ford F-150 4.2. Fit well and installation tool seated the sleeve exactly where it needed to be. Super easy to use and covered the grooved s”
FAQs for 1968 Buick GS 400 Engine Parts
Which Engine Parts are best-sellers for 1968 Buick GS 400s?
Out of 54 Engine Parts that fit 1968 Buick GS 400s, the following parts are the top sellers:
- Engine Valve Lifter (5688736) – $8.99
- Engine Valve Lifter (3689913) – $10.49
- Rubber Expansion Plug 1-7/8 In. – Size Range 1-7/8 In. – 2 In. (9110056) – $8.99
What’s the price range for 1968 Buick GS 400 Engine Parts?
Engine Part prices for the 1968 Buick GS 400 start at $1.99 and go up to $1,595.99 for the most premium parts.
What’s the average price of a Engine Part for a 1968 Buick GS 400?
The average price for Engine Parts for the 1968 Buick GS 400 is $103.96. 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.
What are the cheapest Engine Parts for my 1968 Buick GS 400?
The cheapest 1968 Buick GS 400 Engine Parts we carry in stock are:
- Fuel Pump Gasket (10509522) – $1.99
- Steel Cup Expansion Plug 2.00 In., Height 0.420 (sold by each) (16140193) – $2.29
- Steel Cup Expansion Plug 1-61/64 In., Height 0.510 (sold by each) (22140427) – $2.99
- Steel Cup Expansion Plug 2-1/16 In. SC, Height 0.380 (Sold by each) (22140448) – $2.99
- Steel Cup Expansion Plug 2-3/64 In. SC, Height 0.280 (sold by each) (22140432) – $2.99
What are the top-rated Engine Parts that fit the 1968 Buick GS 400?
Out of 25 reviews by customers, our 1968 Buick GS 400 Engine Parts have an average customer rating of . These are some of the highest-rated Engine Part types for the 1968 Buick GS 400 and their top-rated products:
- Engine Gaskets and Seals
- Engine Timing Cover Gasket Set (5785979) – $23.29
- Valve Cover and Cylinder Heads
- Engine Timing Cover Gasket Set (5785979) – $23.29
- Engine Internals
- Engine Timing Cover Gasket Set (5785979) – $23.29
What types of Engine Parts do you sell for my 1968 Buick GS 400?
As of 3/1/26, these are some of the most in-demand types of Engine Parts for a 1968 Buick GS 400:
Can I get help with 1968 Buick GS 400 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 GS 400 Engine Parts?
Advance Auto Parts keeps returns simple. For new Buick GS 400 Engine Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
