1973 Pontiac Bonneville Engine Internals
Keep Your 1973 Pontiac Bonneville 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 1973 Pontiac Bonneville looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Standard Individual Rod Bearings, Crankshaft Bolts, and Oversized Main Bearings. 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.
Competitive Prices and Extensive Inventory
The average price for a 1973 Pontiac Bonneville Engine Internal at Advance Auto Parts is around $79.43, with a range that starts at $14.79 and goes up to $354.99. With 28 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Sealed Power Engine Connecting Rod Bearing Set, 8-1555CPA 20, Sealed Power Engine Connecting Rod Bearing Set, 8-1555CPA, and Sealed Power Engine Piston Ring Set, E-299K 30 start at just $69.99 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 1973 Pontiac Bonneville in peak condition, inside and out.
Find Your Specific 1973 Pontiac Bonneville Engine Internals
Looking for the perfect Engine Internal for your 1973 Pontiac Bonneville? You’re in the right place. Below, you’ll find links to various types of Engine Internals that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Internals, ensuring durability and a precise fit for your Pontiac Bonneville. Whether you’re driving a 1973 model or another popular model year like
1997,
1998,
1999,
2000,
2001,
2002,
2003,
2004, and
2005, we’ve got you covered. Purchasing Engine Internals from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Engine Internals that fit your vehicle.
Essential 1973 Pontiac Bonneville Engine Internals
Sealed Power – Sealed Power Engine Piston Ring Set, E-251K 20 (Part No.E-251K 20)
from
$69.99
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.
See More
Sealed Power – Sealed Power Engine Piston Ring Set, E-300K 30 (Part No.E-300K 30)
from
$118.99
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.
See More
Sealed Power – Sealed Power Engine Piston Ring Set, E-299X 40 (Part No.E-299X 40)
from
$55.99
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.
See More
Sealed Power – Sealed Power Engine Connecting Rod Bearing, 3045A 10 (Part No.3045A 10)
from
$9.39
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 – Sealed Power Engine Connecting Rod Bearing, 2555CP 1 (Part No.2555CP 1)
from
$6.59
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 – Sealed Power Engine Connecting Rod Bearing, 3760A 10 (Part No.3760A 10)
from
$7.29
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 – Sealed Power Engine Piston Ring Set, E-251K 60 (Part No.E-251K 60)
from
$91.99
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.
See More
Sealed Power – Sealed Power Engine Piston Ring Set, E-245K (Part No.E-245K)
from
$85.99
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.
See More
Sealed Power – Sealed Power Engine Piston Ring Set, E-297K 30 (Part No.E-297K 30)
from
$102.99
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.
See More
ARP Auto Racing – ARP Auto Racing For Use With Chevy Gen Iii/Ls Series Small Block/ Gmpp Lsx Block, Hex Head, 234-5608 (Part No.234-5608)
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.
See More
ARP Auto Racing – ARP Auto Racing For Use With Chevy Small Block Large Journal, 4 Bolt Main, Hex Head, Chrome Moly, 134-5202 (Part No.134-5202)
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.
See More
ARP Auto Racing – "ARP Auto Racing For Use With Chevy Small Block, 5/8"" Socket Size, 3/4"" – 16 Thread Size, 134-2501" (Part No.134-2501)
from
$39.99
As the crankshaft flexes and twists, the balancer absorbs incredible amounts of kinetic energy. To ensure that the balancer is locked in position, ARP has developed these ultra strong 200,000 PSI bolts that let you exert maximum clamping force. Special features include 1/4 Inch thick, wide area washer and an extra tall 12 point head that accepts a deep socket and eliminates the worry of stripping the head.
See More
Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 8-2555A 10 (Part No.8-2555A 10)
from
$165.99
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.
See More
Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 6-1020A (Part No.6-1020A)
from
$56.99
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.
See More
Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 8-1555CPA (Part No.8-1555CPA)
from
$73.99
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.
See More
Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 6-3760A 10 (Part No.6-3760A 10)
from
$42.99
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.
See More
Sealed Power – Sealed Power Connecting Rod Bearing Set, 8-7050CH 20 (Part No.8-7050CH 20)
from
$99.99
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
See More
Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 8-2555A 60 (Part No.8-2555A 60)
from
$151.99
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.
See More
Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 8-2555A 20X2 (Part No.8-2555A 20X2)
from
$78.99
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.
See More
Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 8-2555CP 30 (Part No.8-2555CP 30)
from
$78.99
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.
See More
Sealed Power – Sealed Power Engine Connecting Rod Bearing, 2555CP 30 (Part No.2555CP 30)
from
$6.29
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 – Sealed Power Engine Connecting Rod Bearing, 2555CP 20 (Part No.2555CP 20)
from
$6.59
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 – Sealed Power Engine Connecting Rod Bearing, 2555A 2 (Part No.2555A 2)
from
$4.99
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.
See More
Sealed Power – Sealed Power Engine Connecting Rod Bearing, 2555A 30 (Part No.2555A 30)
from
$7.59
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 – Sealed Power Main Bearing Set, 107M 1 (Part No.107M 1)
from
$97.99
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
See More
Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 4663MA 1 (Part No.4663MA 1)
from
$102.99
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.
See More
Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 7144MA (Part No.7144MA)
from
$62.99
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.
See More
Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 4040M 30 (Part No.4040M 30)
from
$178.99
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.
See More
Popular 1973 Pontiac Bonneville Engine Internals Categories
Most Popular Standard Individual Rod Bearings for 1973 Pontiac Bonnevilles
Enhance your 1973 Pontiac Bonneville with one of the 2 Standard Individual Rod Bearings we have in stock, starting at just $14.79.
Sealed Power – Sealed Power Engine Connecting Rod Bearing, 1555CPA (Part No.1555CPA)
from
$15.29
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.
See More
Sealed Power – Sealed Power Engine Connecting Rod Bearing, 1555CPA 10 (Part No.1555CPA 10)
from
$14.79
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.
See More
Best-Selling 1973 Pontiac Bonneville Crankshaft Bolts
Upgrade your Bonneville with one of our 4 best-selling Crankshaft Bolts.
ARP Auto Racing – "ARP Auto Racing For Use With Chevy Small Block, 5/8"" Socket Size, 3/4"" – 16 Thread Size, 134-2501" (Part No.134-2501)
from
$39.99
As the crankshaft flexes and twists, the balancer absorbs incredible amounts of kinetic energy. To ensure that the balancer is locked in position, ARP has developed these ultra strong 200,000 PSI bolts that let you exert maximum clamping force. Special features include 1/4 Inch thick, wide area washer and an extra tall 12 point head that accepts a deep socket and eliminates the worry of stripping the head.
See More
ARP Auto Racing – ARP Auto Racing For Use With Chevy Small Block Large Journal, 4 Bolt Main, Hex Head, Chrome Moly, 134-5202 (Part No.134-5202)
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.
See More
ARP Auto Racing – ARP Auto Racing For Use With Chevy Gen Iii/Ls Series Small Block/ Gmpp Lsx Block, Hex Head, 234-5608 (Part No.234-5608)
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.
See More
ARP Auto Racing – "ARP Auto Racing For Use With Chevy Small Block, 13/16"" Socket Size, 2.470"" Under Head L, 234-2501" (Part No.234-2501)
from
$46.99
As the crankshaft flexes and twists, the balancer absorbs incredible amounts of kinetic energy. To ensure that the balancer is locked in position, ARP has developed these ultra strong 200,000 Pounds Per Square Inch bolts that let you exert maximum clamping force. Special features comes with 1/4 Inch thick, wide area washer and an extra tall 12 point head that accepts a deep socket and eliminates the worry of stripping the head.
See More
Top-Quality Oversized Main Bearings for 1973 Pontiac Bonnevilles
Choose a high-quality OEM or aftermarket Oversized Main Bearing for Pontiac Bonnevilles and enjoy top-notch performance from $178.99.
Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 4040M 10 (Part No.4040M 10)
from
$178.99
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.
See More
Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 4040M 30 (Part No.4040M 30)
from
$178.99
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.
See More
Top Picks for 1973 Pontiac Bonneville Standard Piston Rings
Invest in one of our 8 durable Standard Piston Rings for your 1973 Pontiac, knowing you’re getting trusted brands and expert craftsmanship.
Sealed Power – Sealed Power Engine Piston Ring Set, E-243K 30 (Part No.E-243K 30)
from
$81.99
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.
See More
Sealed Power – Sealed Power Engine Piston Ring Set, E-300K (Part No.E-300K)
from
$108.99
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.
See More
Sealed Power – Sealed Power Engine Piston Ring Set, E-243K (Part No.E-243K)
from
$85.99
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.
See More
Sealed Power – Sealed Power Engine Piston Ring Set, E-299K (Part No.E-299K)
from
$82.99
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.
See More
Sealed Power – Sealed Power Engine Piston Ring Set, E-243K 20 (Part No.E-243K 20)
from
$81.99
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.
See More
Sealed Power – Sealed Power Engine Piston Ring Set, E-299K 20 (Part No.E-299K 20)
from
$79.99
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.
See More
Sealed Power – Sealed Power Engine Piston Ring Set, E-299X (Part No.E-299X)
from
$58.99
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.
See More
Sealed Power – Sealed Power Engine Piston Ring Set, E-299X 30 (Part No.E-299X 30)
from
$55.99
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.
See More
Standard Rod Bearing Sets for 1973 Pontiac Bonnevilles
Make a smart move for your 1973 Pontiac Bonneville with products all priced from $73.99.
Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 8-1555CPA (Part No.8-1555CPA)
from
$73.99
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.
See More
Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 8-1555CPA 10 (Part No.8-1555CPA 10)
from
$73.99
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.
See More
FAQs for 1973 Pontiac Bonneville Engine Internals
What are the best-selling Engine Internals for 1973 Pontiac Bonnevilles?
Out of 28 Engine Internals that fit 1973 Pontiac Bonnevilles, the following parts are the top sellers:
- Sealed Power Engine Connecting Rod Bearing Set, 8-1555CPA 20 (19693617) – $69.99
- Sealed Power Engine Connecting Rod Bearing Set, 8-1555CPA (19693613) – $73.99
- Sealed Power Engine Piston Ring Set, E-299K 30 (5681111) – $82.99
What’s the price range for 1973 Pontiac Bonneville Engine Internals?
The prices of Engine Internals for the 1973 Pontiac Bonneville range from $14.79 up to $354.99 for the most premium parts.
What is the average price of an Engine Internal for a 1973 Pontiac Bonneville?
The average price for Engine Internals for the 1973 Pontiac Bonneville is $79.43. 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 Pontiac Bonneville model years?
What are the cheapest Engine Internals for my 1973 Pontiac Bonneville?
The cheapest 1973 Pontiac Bonneville Engine Internals we carry are:
- Sealed Power Engine Connecting Rod Bearing, 1555CPA 20 (3704149) – $14.79
- Sealed Power Engine Connecting Rod Bearing, 1555CPA 10 (3704130) – $14.79
- Sealed Power Engine Connecting Rod Bearing, 1555CPA (3704114) – $15.29
- "ARP Auto Racing For Use With Chevy Small Block, 5/8"" Socket Size, 3/4"" – 16 Thread Size, 134-2501" (11530225) – $39.99
- "ARP Auto Racing For Use With Chevy Small Block, 13/16"" Socket Size, 2.470"" Under Head L, 234-2501" (11530137) – $46.99
Does Advance Auto Parts sell Engine Internals for any other 1973 Pontiac models?
Yes. We stock Engine Internals for 8 other popular 1973 Pontiac models. Some of the most popular are 1973 Grand Prix Engine Internals, 1973 Firebird Engine Internals, 1973 Grand Am Engine Internals, 1973 LeMans Engine Internals, and 1973 GTO Engine Internals.
What types of Engine Internals do you sell for my 1973 Pontiac Bonneville?
As of 8/2/26, these are some of the most in-demand types of Engine Internals for a 1973 Pontiac Bonneville:
Can I get help with 1973 Pontiac Bonneville Engine Internal orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Pontiac Engine Internals and more.
What is your return policy for Pontiac Bonneville Engine Internals?
Advance Auto Parts keeps returns simple. For new Pontiac Bonneville Engine Internals and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.