2015 Buick Regal Engine Internals

Keep Your 2015 Buick Regal in Top Shape with Quality Engine Internals

Whether you’re repairing or upgrading your Engine Internal, using high-quality parts is key to keeping your 2015 Buick Regal looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Standard Piston Rings, Oversized Main Bearings, and Crankshaft Seals. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Engine Internals from Trusted Brands

Looking for a reliable Engine Internal? We’ve got you covered with options from brands you know and trust like Dorman and FELPRO. For example, Dorman Engine Internals start at just $7.99 with an average 4.2 star rating. FELPRO offer similar pricing and quality, backed by strong customer feedback. With over 44 reviews and a solid 5 star average, you can shop with confidence knowing other Buick Regal owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2015 Buick Regal Engine Internal at Advance Auto Parts is around $96.62, with a range that starts at $7.99 and goes up to $412.99. With 17 options in stock from 6 trusted brands, finding the right fit is easy. Popular picks like Engine Crankshaft Seal Kit, Engine Connecting Rod Bearing Set, and Engine Crankshaft Seal start at just $11.29 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Engine Internal, don’t forget to check out other key components like Engine Gaskets and Seals and Engine Timing Parts. At Advance Auto Parts, we’re here to help you keep your 2015 Buick Regal in peak condition, inside and out.

Essential 2015 Buick Regal Engine Internals

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

Engine Crankshaft Main Bearing Set

from

$55.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Steel-backed bronze alloy lining with overplate
  • Popular for fatigue resistance & strength – provides conformability required for older applications
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

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

Engine Crankshaft Main Bearing Set

from

$57.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Reduces dramatically or eliminates bearing wear
  • Exacting tolerances
  • Meets or exceeds OEM specifications
  • Made with silicon to provide greater surface hardness
See More

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

Engine Crankshaft Main Bearing Set

from

$103.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.

Product Features:
  • Steel-backed bronze alloy lining with overplate
  • Popular for fatigue resistance & strength – provides conformability required for older applications
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

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

Main Bearing Set

from

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

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

ARP Auto Racing – For Use With Chevy Small Block Large Journal, 4 Bolt Main, Hex Head, Chrome Moly (Part No.134-5202)

For Use With Chevy Small Block Large Journal, 4 Bolt Main, Hex Head, Chrome Moly

from

$85.99
Far superior to any other main bolt kit offered for use in competition engines, ARP main bolts are designed to meet the exacting standards and demands of professional engine builders. Forged from 8740 chrome moly, all bolts feature generous under head radius and rolled threads for the utmost reliability. The threads are rolled after heat treating, which makes them about 1000 Percent longer fatigue life than most main bolts, which are threaded prior to heat treating. Available in the popular High Performance Series, which, at a nominal rating of 180,000 PSI, is a premium replacement for OEM fasteners, or the 200,000 PSI nominal rated Pro Series, application specific main bolts with reduced wrenching head and are designed for use in competition applications. Parallel ground, hardened washers are included with each kit.

Product Features:
  • Forged From Premium Grade 8740 Chrome Moly Steel
  • Generous Under Head Radius And Rolled Threads For The Utmost Reliability
  • Threads Are Rolled After Heat Treating, Which Makes Them About 1000 Percent Longer Fatigue Life Than Most Main Bolts, Which Are Threaded Prior To Heat Treating
  • Parallel Ground, Hardened Washers Are Included With Each Kit
  • Large Journal
  • Sold As A Kit
  • 180,000 PSI
See More

Dorman – Harmonic Balancer Bolt (Part No.917-139)

Harmonic Balancer Bolt

from

$7.99
This engine harmonic balancer bolt 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 harmonic balancer bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bolt 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

Mr. Gasket – Ultra Seal: Harmonic Balancer Bolt/Washer Kit (Part No.7845)

Ultra Seal: Harmonic Balancer Bolt/Washer Kit

from

$31.99
Secure the harmonic balancer or dampener on your Chevy. Works on original equipment, high performance street, drag or circle track applications. Features a heat treated black oxide coated Grade 8 alloy steel bolt for strength with a tall hex head to prevent wrench from slipping. An extra thick parallel ground washer provides accurate, uniform torque, and a lock washer is also included.

Product Features:
  • Heat treated black oxide coated Grade 8 alloy steel
  • Tall hex head bolt to prevent wrench from slipping
  • Extra thick parallel ground washer provides accurate, uniform torque
  • Washers Provides More Accurate And Uniform Torque
  • Grade 8 Alloy Steel
See More

ARP Auto Racing – For Use With Chevy Gen Iii/Ls Series Small Block/ Gmpp Lsx Block, Hex Head (Part No.234-5608)

For Use With Chevy Gen Iii/Ls Series Small Block/ Gmpp Lsx Block, Hex Head

from

$354.99
There are many important reasons to use ARP main stud kits, including the elimination of main cap walk and fretting, as well as protecting the threads in your engine block. All kits come complete with hardened parallel ground washers and high quality nuts. Some applications have provisions for mounting wind age trays and have specially designed standoff studs with serrated lock nuts to position the wind age tray and lock it securely in place. The studs are manufactured from 8740 chrome moly steel, heat treated in-house to 200,000 Pounds Per Square Inch tensile strength, and precision J-form threads rolled after heat treat to create a fastener that has threads 1000 Percent stronger than others.

Product Features:
  • Kit Come Complete With Hardened Parallel Ground Washers And High Quality Nuts
  • Manufactured From 8740 Chrome Moly Steel
  • Heat Treated To 200,000 Pounds Per Square Inch
  • Precision J-Form Threads Rolled After Heat Treat To Create A Fastener That Has Threads 1000 Percent Stronger Than Others
  • 200,000 PSI
  • Sold As A Kit
See More

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

Engine Piston Ring Set

from

$97.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Face of top rings coated with latest generation Plasma-Moly
  • Decreases friction
  • Very resistant to scuffing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

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

Engine Piston Ring Set

from

$85.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

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

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

Engine Piston Ring Set

from

$104.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.

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

Sealed Power – Engine Piston Ring Set (Part No.E-408K 40)

Engine Piston Ring Set

from

$89.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Face of top rings coated with latest generation Plasma-Moly
  • Decreases friction
  • Very resistant to scuffing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

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

Engine Piston Ring Set

from

$119.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Face of top rings coated with latest generation Plasma-Moly
  • Decreases friction
  • Very resistant to scuffing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

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

Connecting Rod Bearing Set

from

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

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

Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-3320CP 30)

Engine Connecting Rod Bearing Set

from

$60.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.

Product Features:
  • Steel-backed bronze alloy lining with overplate
  • Popular for fatigue resistance & strength
  • Provides conformability required for older apps
  • Our standard material is comparable to competitors performance bearing
  • Note – This material offers less resistance to wear & corrosion than other materials.
  • Utilizes ISO & QS certified manufacturing
See More

Sealed Power – Engine Connecting Rod Bearing Set (Part No.6-3755A 30)

Engine Connecting Rod Bearing Set

from

$38.49
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:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Dramatically reduces or eliminates bearing wear
  • Made with silicon to provide greater surface hardness
  • Silicon particles help polish crankshaft journal to further reduce wear during operation
  • Utilizes ISO & QS certified manufacturing
See More

Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-2555A 20X2)

Engine Connecting Rod Bearing Set

from

$74.99
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:
  • Additional oversize OD allows for cost-effective reconditioning
  • 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
See More

Sealed Power – Connecting Rod Bearing Set (Part No.8-7100CH 1)

Connecting Rod Bearing Set

from

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

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

National – Multi-Purpose Seal (Part No.5273)

Multi-Purpose Seal

from

$29.99
Product Features:
  • Design type: springless; multi-lip
  • Temperature range: -100 deg. F to 450 deg. F / -73 deg. C to 232 deg.
  • Excellent dry running capabilities
  • Low coefficient of friction
  • Delivers quality and reliable performance for every type of repair
See More

Felpro – Engine Crankshaft Seal Kit (Part No.BS 40625)

Engine Crankshaft Seal Kit

from

$32.99
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:
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Felpro – Engine Crankshaft Seal Kit (Part No.BS 11829-1)

Engine Crankshaft Seal Kit

from

$20.99
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:
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

National – Multi-Purpose Seal (Part No.9845)

Multi-Purpose Seal

from

$9.79
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: spring loaded; multi-lip
  • Temperature range: -40 Deg. F to 400 Deg. F / -40 Deg. C to 204 Deg. C
  • Excellent high temperature capabilities
  • Compatible with wide range of fluids
  • Delivers quality and reliable performance for every type of repair
See More

Driveworks – Oil Seal (Part No.S-4359V)

Oil Seal

from

$15.99
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

National – Redi-Sleeve (Part No.99353)

Redi-Sleeve

from

$82.99
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.
See More

Most Popular Standard Piston Rings for 2015 Buick Regals

Enhance your 2015 Buick Regal with one of the 3 Standard Piston Rings we have in stock, starting at just $90.99.

Sealed Power – Piston Ring Set (Part No.E-1024KC .25MM)

Piston Ring Set

from

$208.99
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:
  • Chrome plated top ring facings for enhanced performance under demanding conditions
  • Second rings seat instantly, properly control inter-ring pressure to improve cylinder sealing, provide efficient piston-to-cylinder heat transfer and aid in effective oil control
  • Oil rings are unequalled at controlling oil; design keeps tension uniform while assuring a positive seal
  • In the box: compression rings, rails and oil spacer
See More

Sealed Power – Engine Piston Ring Set (Part No.E-1024KC .50MM)

Engine Piston Ring Set

from

$94.99
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:
  • Chrome plated top ring facings for enhanced performance under demanding conditions
  • Second rings seat instantly, properly control inter-ring pressure to improve cylinder sealing, provide efficient piston-to-cylinder heat transfer and aid in effective oil control
  • Oil rings are unequalled at controlling oil; design keeps tension uniform while assuring a positive seal
  • In the box: compression rings, rails and oil spacer
See More

Sealed Power – Engine Piston Ring Set (Part No.E-1024KC .75MM)

Engine Piston Ring Set

from

$90.99
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:
  • Chrome plated top ring facings for enhanced performance under demanding conditions
  • Second rings seat instantly, properly control inter-ring pressure to improve cylinder sealing, provide efficient piston-to-cylinder heat transfer and aid in effective oil control
  • Oil rings are unequalled at controlling oil; design keeps tension uniform while assuring a positive seal
  • In the box: compression rings, rails and oil spacer
See More

Best-Selling 2015 Buick Regal Oversized Main Bearings

Upgrade your Regal with one of our 3 best-selling Oversized Main Bearings.

Sealed Power – Engine Crankshaft Main Bearing Set (Part No.7421M)

Engine Crankshaft Main Bearing Set

from

$412.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Reduces dramatically or eliminates bearing wear
  • Exacting tolerances
  • Made with silicon to provide greater surface hardness
See More

Sealed Power – Engine Crankshaft Main Bearing Set (Part No.7421M 10)

Engine Crankshaft Main Bearing Set

from

$373.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Reduces dramatically or eliminates bearing wear
  • Exacting tolerances
  • Made with silicon to provide greater surface hardness
See More

Sealed Power – Engine Crankshaft Main Bearing Set (Part No.7421M 20)

Engine Crankshaft Main Bearing Set

from

$373.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Reduces dramatically or eliminates bearing wear
  • Exacting tolerances
  • Made with silicon to provide greater surface hardness
See More

Top-Quality Crankshaft Seals for 2015 Buick Regals

Choose a high-quality OEM or aftermarket Crankshaft Seal for Buick Regals and enjoy top-notch performance from $11.29.

Felpro – Engine Crankshaft Seal (Part No.TCS 46113)

Engine Crankshaft Seal

from

$26.99
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:
  • 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
  • Includes all the parts necessary to complete the repair unless otherwise noted
See More

Felpro – Engine Crankshaft Seal Kit (Part No.BS 40739)

Engine Crankshaft Seal Kit

from

$32.99
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:
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

National – Engine Crankshaft Seal (Part No.711024)

Engine Crankshaft Seal

from

$11.29
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: springless; multi-lip
  • Temperature range: -100 Deg. F to 450 Deg. F / -73 Deg. C to 232 Deg.
  • Excellent dry running capabilities
  • Low coefficient of friction
  • Delivers quality and reliable performance for every type of repair
See More

Driveworks – Crankshaft Seal (Part No.S-710237)

Crankshaft Seal

from

$35.49
Product Features:
  • Brand may vary by location
See More

Victor Reinz – Engine Crankshaft Seal (Part No.81-38229-00)

Engine Crankshaft Seal

from

$27.49
Whether you are a professional technician or a skilled do-it-yourselfer, you need easy access to Victor Reinz quality at every level of the engine all in one box and without any surprises. Protective packaging, informative labels, and state-of-the art electronic cataloging, ensure you receive precisely the gaskets and seals needed for a successful, long-lasting repair.

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.
See More

Top Picks for 2015 Buick Regal Standard Rod Bearing Sets

Invest in one of our 4 durable Standard Rod Bearing Sets for your 2015 Buick, knowing you’re getting trusted brands and expert craftsmanship.

Sealed Power – Engine Connecting Rod Bearing Set (Part No.4-4970P)

Engine Connecting Rod Bearing Set

from

$104.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Steel-backed bronze alloy lining with overplate
  • Popular for fatigue resistance & strength
  • Provides conformability required for older apps
  • Our standard material is comparable to competitors performance bearing
  • Note – This material offers less resistance to wear & corrosion than other materials.
  • Utilizes ISO & QS certified manufacturing
See More

Sealed Power – Engine Connecting Rod Bearing Set (Part No.4-4970P 30)

Engine Connecting Rod Bearing Set

from

$79.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Steel-backed bronze alloy lining with overplate
  • Popular for fatigue resistance & strength
  • Provides conformability required for older apps
  • Our standard material is comparable to competitors performance bearing
  • Note – This material offers less resistance to wear & corrosion than other materials.
  • Utilizes ISO & QS certified manufacturing
See More

Sealed Power – Engine Connecting Rod Bearing Set (Part No.4-4970P 10)

Engine Connecting Rod Bearing Set

from

$79.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Steel-backed bronze alloy lining with overplate
  • Popular for fatigue resistance & strength
  • Provides conformability required for older apps
  • Our standard material is comparable to competitors performance bearing
  • Note – This material offers less resistance to wear & corrosion than other materials.
  • Utilizes ISO & QS certified manufacturing
See More

Sealed Power – Engine Connecting Rod Bearing Set (Part No.4-4970P 20)

Engine Connecting Rod Bearing Set

from

$79.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Steel-backed bronze alloy lining with overplate
  • Popular for fatigue resistance & strength
  • Provides conformability required for older apps
  • Our standard material is comparable to competitors performance bearing
  • Note – This material offers less resistance to wear & corrosion than other materials.
  • Utilizes ISO & QS certified manufacturing
See More

Our Top-Rated Crankshaft Bolts for 2015 Buick Regals

Make a smart move for your 2015 Buick Regal with our Crankshaft Bolt for $7.99.

Dorman – Harmonic Balancer Bolt (Part No.917-139)

Harmonic Balancer Bolt

from

$7.99
This engine harmonic balancer bolt 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 harmonic balancer bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bolt 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

Top-Rated Engine Internal Brands For Your 2015 Buick Regal

When it comes to finding the perfect Engine Internal for your 2015 Buick Regal, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 6 trusted brands. We carry the most popular Engine Internal brands including FELPRO and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $7.99. Purchasing a Engine Internal from us here at Advance Auto Parts is a smart move for both you and your 2015 Buick Regal, providing peace of mind with parts that meet or exceed OEM standards.

Popular FELPRO 2015 Buick Regal Engine Internals

If you’re looking for a top-quality Engine Internal for your 2015 Buick Regal, Advance Auto Parts has exactly what you need with our selection of FELPRO Engine Internals. We have 1 FELPRO Engine Internals in stock for this fitment, all known for their durability and precision fit. With prices starting at just $26.99, you’ll find the perfect Engine Internal for your needs and budget. FELPRO Engine Internals for the 2015 Buick Regal come highly rated, with over 10 customer reviews and an impressive average rating of 4.6 stars. Choosing a FELPRO Engine Internal from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Engine Crankshaft Seal
from $26.99
(10)
Engine Crankshaft Seal
“I got rushed halfway through the first install and I botched it. 2nd time around and good to go. The packaging was perfect and showed that the method ”

Top-Quality Dorman 2015 Buick Regal Engine Internals

For those in search of a high-quality Engine Internal for their 2015 Buick Regal, Advance Auto Parts offers a great selection of Dorman Engine Internals. With 1 Dorman Engine Internals in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Engine Internals start at just $7.99, giving you a range of options to suit your budget. Backed by over 8 customer ratings and an average rating of 4.2 stars, Dorman Engine Internals provide both reliability and excellent performance. Choosing a Dorman Engine Internal from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Harmonic Balancer Bolt
from $7.99
(8)
Harmonic Balancer Bolt
“Ready to use”

FAQs for 2015 Buick Regal Engine Internals

What are the best-selling Engine Internals for 2015 Buick Regals?

Out of 17 Engine Internals that fit 2015 Buick Regals, the following parts are the top sellers:

What’s the price range for 2015 Buick Regal Engine Internals?

The prices of Engine Internals for the 2015 Buick Regal range from $7.99 up to $412.99 for the most premium parts.

What is the average price of an Engine Internal for a 2015 Buick Regal?

The average price for Engine Internals for the 2015 Buick Regal is $96.62. Keep in mind the variety of part types within our Engine Internal category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Engine Internals for other Buick Regal model years?

Yes, we carry Engine Internals for 37 model years of Buick Regals between 1973 and 2017. The following model years are the most popular for Engine Internal purchases: 2017, 2016, 2014, 2013, 2012, 2011, 2004, 2003, and 2002.

What are the cheapest Engine Internals for my 2015 Buick Regal?

The cheapest 2015 Buick Regal Engine Internals we carry are:

Does Advance Auto Parts sell Engine Internals for any other 2015 Buick models?

Yes. We stock Engine Internals for 3 other popular 2015 Buick models. Some of the most popular are 2015 LaCrosse Engine Internals, 2015 Enclave Engine Internals, 2015 Verano Engine Internals, and 2015 Encore Engine Internals.

What are the top-rated Engine Internals that fit the 2015 Buick Regal?

The one 2015 Buick Regal Engine Internal we have in stock is the Harmonic Balancer Bolt. It is rated 5 stars and costs $7.99.

What types of Engine Internals do you sell for my 2015 Buick Regal?

As of 11/2/25, these are some of the most in-demand types of Engine Internals for a 2015 Buick Regal:

Can I get help with 2015 Buick Regal Engine Internal orders?

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

What is your return policy for Buick Regal Engine Internals?

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