1978 Oldsmobile 98 Engine Internals
Keep Your 1978 Oldsmobile 98 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 1978 Oldsmobile 98 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Standard Piston Rings, Main Bearings, and Standard Individual Rod 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 1978 Oldsmobile 98 Engine Internal at Advance Auto Parts is around $59.37, with a range that starts at $9.39 and goes up to $129.99. With 15 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like National Engine Crankshaft Seal, 472082, Sealed Power Engine Crankshaft Main Bearing Set, 4281M, and National Engine Crankshaft Seal, 5118 start at just $18.29 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 1978 Oldsmobile 98 in peak condition, inside and out.
Find Your Specific 1978 Oldsmobile 98 Engine Internals
Looking for the perfect Engine Internal for your 1978 Oldsmobile 98? 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 Oldsmobile 98. Whether you’re driving a 1978 model or another popular model year like
1988,
1989,
1990,
1991,
1992,
1993,
1994,
1995, and
1996, 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 1978 Oldsmobile 98 Engine Internals
Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 4281M (Part No.4281M)
from
$129.99
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, 7288MA (Part No.7288MA)
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.
See More
Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 8-3345P 10 (Part No.8-3345P 10)
from
$112.99
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, 6-3755A 30 (Part No.6-3755A 30)
from
$40.49
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.
See More
Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 8-3045A 10 (Part No.8-3045A 10)
from
$58.99
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 20 (Part No.8-1555CPA 20)
from
$69.99
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, 8-3345P 20 (Part No.8-3345P 20)
from
$99.99
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, 4281M 30 (Part No.4281M 30)
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.
See More
Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 7288MA 10 (Part No.7288MA 10)
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.
See More
Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 7144MA 30 (Part No.7144MA 30)
from
$59.99
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, 4294M 30 (Part No.4294M 30)
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.
See More
Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 4294M (Part No.4294M)
from
$93.99
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-297X (Part No.E-297X)
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-251KC 30 (Part No.E-251KC 30)
from
$99.99
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-245X 30 (Part No.E-245X 30)
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-251K 10 (Part No.E-251K 10)
from
$67.99
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-248X (Part No.E-248X)
from
$59.99
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, 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 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
Sealed Power – Sealed Power Engine Connecting Rod Bearing, 3755A (Part No.3755A)
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, 3345P 30 (Part No.3345P 30)
from
$18.79
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
Driveworks – Driveworks Crankshaft Seal, S-710162 (Part No.S-710162)
National – National Engine Crankshaft Seal, 5118 (Part No.5118)
from
$42.49
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.
See More
Driveworks – Driveworks Crankshaft Seal, S-320691 (Part No.S-320691)
National – National Engine Crankshaft Seal, 472082 (Part No.472082)
from
$18.29
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.
See More
National – National Engine Crankshaft Seal, 5072 (Part No.5072)
from
$33.99
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
National – National Multi-Purpose Seal, 473231 (Part No.473231)
from
$9.99
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
Popular 1978 Oldsmobile 98 Engine Internals Categories
Most Popular Standard Piston Rings for 1978 Oldsmobile 98s
Enhance your 1978 Oldsmobile 98 with one of the 3 Standard Piston Rings we have in stock, starting at just $58.99.
Sealed Power – Sealed Power Engine Piston Ring Set, E-297X (Part No.E-297X)
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-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
Sealed Power – Sealed Power Engine Piston Ring Set, E-378X (Part No.E-378X)
from
$69.99
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
Best-Selling 1978 Oldsmobile 98 Main Bearing
Upgrade your 98 with our best-selling Main Bearing.
Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 4281M (Part No.4281M)
from
$129.99
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
Top-Quality Standard Individual Rod Bearings for 1978 Oldsmobile 98s
Choose a high-quality OEM or aftermarket Standard Individual Rod Bearing for Oldsmobile 98s and enjoy top-notch performance from $9.39.
Sealed Power – Sealed Power Engine Connecting Rod Bearing, 3045A (Part No.3045A)
from
$10.79
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, 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
Top Picks for 1978 Oldsmobile 98 Crankshaft Seals
Invest in one of our 2 durable Crankshaft Seals for your 1978 Oldsmobile, knowing you’re getting trusted brands and expert craftsmanship.
National – National Engine Crankshaft Seal, 472082 (Part No.472082)
from
$18.29
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.
See More
National – National Engine Crankshaft Seal, 5118 (Part No.5118)
from
$42.49
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.
See More
Oversized Main Bearings for 1978 Oldsmobile 98s
Make a smart move for your 1978 Oldsmobile 98 with products all priced from $85.99 to $96.99.
Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 4294M 20 (Part No.4294M 20)
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.
See More
Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 4281M 10 (Part No.4281M 10)
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.
See More
Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 4294M 10 (Part No.4294M 10)
from
$96.99
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, 4294M (Part No.4294M)
from
$93.99
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, 4294M 30 (Part No.4294M 30)
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.
See More
Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 4281M 30 (Part No.4281M 30)
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.
See More
FAQs for 1978 Oldsmobile 98 Engine Internals
What are the best-selling Engine Internals for 1978 Oldsmobile 98s?
Out of 15 Engine Internals that fit 1978 Oldsmobile 98s, the following parts are the top sellers:
- National Engine Crankshaft Seal, 472082 (18444232) – $18.29
- Sealed Power Engine Crankshaft Main Bearing Set, 4281M (3695336) – $129.99
- National Engine Crankshaft Seal, 5118 (18444548) – $42.49
What’s the price range for 1978 Oldsmobile 98 Engine Internals?
The prices of Engine Internals for the 1978 Oldsmobile 98 range from $9.39 up to $129.99 for the most premium parts.
What is the average price of an Engine Internal for a 1978 Oldsmobile 98?
The average price for Engine Internals for the 1978 Oldsmobile 98 is $59.37. 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 Oldsmobile 98 model years?
What are the cheapest Engine Internals for my 1978 Oldsmobile 98?
The cheapest 1978 Oldsmobile 98 Engine Internals we carry are:
- Sealed Power Engine Connecting Rod Bearing, 3045A 10 (3704602) – $9.39
- Sealed Power Engine Connecting Rod Bearing, 3045A (19694886) – $10.79
- National Engine Crankshaft Seal, 472082 (18444232) – $18.29
- National Engine Crankshaft Seal, 5118 (18444548) – $42.49
- Sealed Power Engine Piston Ring Set, E-297X (5680042) – $58.99
Does Advance Auto Parts sell Engine Internals for any other 1978 Oldsmobile models?
Yes. We stock Engine Internals for 8 other popular 1978 Oldsmobile models. Some of the most popular are 1978 Cutlass Engine Internals, 1978 Cutlass Supreme Engine Internals, 1978 Delta 88 Engine Internals, 1978 Toronado Engine Internals, and 1978 Custom Cruiser Engine Internals.
What types of Engine Internals do you sell for my 1978 Oldsmobile 98?
As of 8/2/26, these are some of the most in-demand types of Engine Internals for a 1978 Oldsmobile 98:
Can I get help with 1978 Oldsmobile 98 Engine Internal orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Oldsmobile Engine Internals and more.
What is your return policy for Oldsmobile 98 Engine Internals?
Advance Auto Parts keeps returns simple. For new Oldsmobile 98 Engine Internals and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.