1981 Mercury Cougar Engine Internals
Keep Your 1981 Mercury Cougar 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 1981 Mercury Cougar looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Standard Individual Rod Bearings, Standard Piston Rings, and Crankshaft Bolts. 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 Sealed Power. For example, Sealed Power Engine Internals start at just $5.49 with an average 4.4 star rating. With over 28 reviews and a solid 4.3 star average, you can shop with confidence knowing other Mercury Cougar owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1981 Mercury Cougar Engine Internal at Advance Auto Parts is around $54.96, with a range that starts at $5.19 and goes up to $286.99. With 68 options in stock from 6 trusted brands, finding the right fit is easy. Popular picks like Sealed Power Engine Connecting Rod Bearing, 2600CP, Sealed Power Engine Piston Ring Set, E-251K, and Sealed Power Engine Crankshaft Main Bearing Set, 4125MA start at just $6.59 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 1981 Mercury Cougar in peak condition, inside and out.
Find Your Specific 1981 Mercury Cougar Engine Internals
Looking for the perfect Engine Internal for your 1981 Mercury Cougar? 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 Mercury Cougar. Whether you’re driving a 1981 model or another popular model year like
1993,
1994,
1995,
1996,
1997,
1999,
2000,
2001, and
2002, 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 1981 Mercury Cougar Engine Internals
Sealed Power – Sealed Power Engine Piston, W463P (Part No.W463P)
from
$27.49
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 Piston, WH418CP (Part No.WH418CP)
from
$46.49
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
National – National Shaft Repair Sleeve, 99196 (Part No.99196)
from
$34.49
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
National – National Shaft Repair Sleeve, 99363 (Part No.99363)
from
$65.99
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
Sealed Power – Sealed Power Engine Piston Ring Set, E-458X (Part No.E-458X)
from
$142.99
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-251K 30 (Part No.E-251K 30)
from
$125.99
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, 5078M (Part No.5078M)
from
$111.99
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 Main Bearing Set, 129M (Part No.129M)
from
$114.99
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, 8-1985A .75MM (Part No.8-1985A .75MM)
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 Connecting Rod Bearing Set, 6-4395A (Part No.6-4395A)
from
$48.49
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, 3380CPA (Part No.3380CPA)
from
$16.29
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, 1985A (Part No.1985A)
from
$10.29
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 Set, 8KH273CP 30 (Part No.8KH273CP 30)
from
$286.99
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, 5078M 10 (Part No.5078M 10)
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.
See More
Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 4261M 40 (Part No.4261M 40)
from
$78.99
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, 4979M (Part No.4979M)
from
$81.99
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, 8-3360CPA 40 (Part No.8-3360CPA 40)
from
$51.99
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, 8-2600CP 10 (Part No.8-2600CP 10)
from
$52.99
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, 6-2380CP 40 (Part No.6-2380CP 40)
from
$60.99
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
Victor Reinz – Victor Reinz Engine Crankshaft Seal Kit, 19-10073-01 (Part No.19-10073-01)
from
$30.99
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.
See More
Felpro – Felpro Engine Crankshaft Seal Kit, BS 40032 (Part No.BS 40032)
from
$21.49
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.
See More
National – National Multi-Purpose Seal, 5277 (Part No.5277)
from
$56.99
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
ARP Auto Racing – "ARP Auto Racing For Use With 289/ 460 Cubic"" Ford, 5/8"" Socket Size, 5/8"" – 18 Thread Size, 150-2501" (Part No.150-2501)
from
$38.99
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
Dorman – Dorman Harmonic Balancer Bolt, 926-886 (Part No.926-886)
from
$19.99
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.
See More
Sealed Power – Sealed Power Engine Piston Ring Set, E-180K 60 (Part No.E-180K 60)
from
$90.99
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-458K 40 (Part No.E-458K 40)
from
$80.99
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-916K .75MM (Part No.E-916K .75MM)
from
$145.99
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-296X 30 (Part No.E-296X 30)
from
$63.99
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
Popular 1981 Mercury Cougar Engine Internals Categories
Most Popular Standard Individual Rod Bearings for 1981 Mercury Cougars
Enhance your 1981 Mercury Cougar with one of the 8 Standard Individual Rod Bearings we have in stock, starting at just $5.19.
Sealed Power – Sealed Power Engine Connecting Rod Bearing, 2600CP 10 (Part No.2600CP 10)
from
$5.49
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, 2600CP (Part No.2600CP)
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, 2600CP 20 (Part No.2600CP 20)
from
$5.79
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, 2600A (Part No.2600A)
from
$5.19
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, 2380CP (Part No.2380CP)
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, 3545A (Part No.3545A)
from
$8.39
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, 3545A .25MM (Part No.3545A .25MM)
from
$6.99
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, 2600A 10 (Part No.2600A 10)
from
$5.19
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
Best-Selling 1981 Mercury Cougar Standard Piston Rings
Upgrade your Cougar with one of our 16 best-selling Standard Piston Rings, earning an average 3.75 stars rating across 5 reviews.
Sealed Power – Sealed Power Engine Piston Ring Set, E-251K 40 (Part No.E-251K 40)
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-251K (Part No.E-251K)
from
$107.99
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-251K 30 (Part No.E-251K 30)
from
$125.99
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-251X (Part No.E-251X)
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 Piston Ring Set, E-251X 40 (Part No.E-251X 40)
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 Piston Ring Set, E-352X (Part No.E-352X)
from
$37.99
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, WE-251K (Part No.WE-251K)
from
$22.49
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 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-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-251KC (Part No.E-251KC)
from
$71.99
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 Premium Piston Ring Set, R-9903 30 (Part No.R-9903 30)
from
$202.99
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 Piston Ring Set, E-251KC 40 (Part No.E-251KC 40)
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-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-219K (Part No.E-219K)
from
$63.99
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-219K 30 (Part No.E-219K 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 Piston Ring Set, E-251X 20 (Part No.E-251X 20)
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
Top-Quality Crankshaft Bolts for 1981 Mercury Cougars
Choose a high-quality OEM or aftermarket Crankshaft Bolt for Mercury Cougars and enjoy top-notch performance from $38.99.
ARP Auto Racing – "ARP Auto Racing For Use With 289/ 460 Cubic"" Ford, 5/8"" Socket Size, 5/8"" – 18 Thread Size, 150-2501" (Part No.150-2501)
from
$38.99
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 Picks for 1981 Mercury Cougar Crankshaft Seals
Invest in one of our 4 durable Crankshaft Seals for your 1981 Mercury, knowing you’re getting trusted brands and expert craftsmanship.
Driveworks – Driveworks Oil Seal, S-2955 (Part No.S-2955)
National – National Multi-Purpose Seal, 2955 (Part No.2955)
from
$25.49
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
National – National Engine Crankshaft Seal, 5108 (Part No.5108)
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
Victor Reinz – Victor Reinz Engine Crankshaft Seal Kit, 19-10156-01 (Part No.19-10156-01)
from
$21.99
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.
See More
Top-Rated Standard Rod Bearing Sets for 1981 Mercury Cougars
Make a smart move for your 1981 Mercury Cougar with products all priced from $32.99 to $95.99.
Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 8-2600A (Part No.8-2600A)
from
$66.99
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, 8-2600CP (Part No.8-2600CP)
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 Connecting Rod Bearing Set, 4-3545A .25MM (Part No.4-3545A .25MM)
from
$39.99
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, 4-3545A (Part No.4-3545A)
from
$43.49
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 Connecting Rod Bearing Set, 8-7160CH (Part No.8-7160CH)
from
$95.99
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, 6-2380CP 10 (Part No.6-2380CP 10)
from
$60.99
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, 8-2600A 40 (Part No.8-2600A 40)
from
$32.99
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-Rated Engine Internal Brands For Your 1981 Mercury Cougar
When it comes to finding the perfect Engine Internal for your 1981 Mercury Cougar, 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 Sealed Power, and more, all known for their exceptional customer ratings (average brand rating of 4.4 stars) and competitive prices, as low as $5.49. Purchasing a Engine Internal from us here at Advance Auto Parts is a smart move for both you and your 1981 Mercury Cougar, providing peace of mind with parts that meet or exceed OEM standards.
Popular Sealed Power 1981 Mercury Cougar Engine Internals
If you’re looking for a top-quality Engine Internal for your 1981 Mercury Cougar, Advance Auto Parts has exactly what you need with our selection of Sealed Power Engine Internals. We have 3 Sealed Power Engine Internals in stock for this fitment, all known for their durability and precision fit. With prices starting at just $5.49 and an average cost of $45.16, you’ll find the perfect Engine Internal for your needs and budget. Sealed Power Engine Internals for the 1981 Mercury Cougar come highly rated, with over 4 customer reviews and an impressive average rating of 4.4 stars. Choosing a Sealed Power Engine Internal from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$62.99
(2)
Sealed Power Engine Connecting Rod Bearing Set, 8-2600CP
“these bearings were the exact fit and just what i needed”
from
$5.49
(1)
Sealed Power Engine Connecting Rod Bearing, 2600CP 10
“arrived quickly, exactly what I ordered”
FAQs for 1981 Mercury Cougar Engine Internals
What are the best-selling Engine Internals for 1981 Mercury Cougars?
Out of 68 Engine Internals that fit 1981 Mercury Cougars, the following parts are the top sellers:
- Sealed Power Engine Connecting Rod Bearing, 2600CP (3695077) – $6.59
- Sealed Power Engine Piston Ring Set, E-251K (5688000) – $107.99
- Sealed Power Engine Crankshaft Main Bearing Set, 4125MA (20681401) – $60.99
What’s the price range for 1981 Mercury Cougar Engine Internals?
The prices of Engine Internals for the 1981 Mercury Cougar range from $5.19 up to $286.99 for the most premium parts.
What is the average price of an Engine Internal for a 1981 Mercury Cougar?
The average price for Engine Internals for the 1981 Mercury Cougar is $54.96. 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 Mercury Cougar model years?
What are the cheapest Engine Internals for my 1981 Mercury Cougar?
The cheapest 1981 Mercury Cougar Engine Internals we carry are:
- Sealed Power Engine Connecting Rod Bearing, 2600A (20686376) – $5.19
- Sealed Power Engine Connecting Rod Bearing, 2600A 10 (20686377) – $5.19
- Sealed Power Engine Connecting Rod Bearing, 2600CP 10 (3695085) – $5.49
- Sealed Power Engine Connecting Rod Bearing, 2600CP 20 (3704572) – $5.79
- Sealed Power Engine Connecting Rod Bearing, 2600CP (3695077) – $6.59
Does Advance Auto Parts sell Engine Internals for any other 1981 Mercury models?
Yes. We stock Engine Internals for 4 other popular 1981 Mercury models. Some of the most popular are 1981 Grand Marquis Engine Internals, 1981 Capri Engine Internals, 1981 Zephyr Engine Internals, 1981 Marquis Engine Internals, and 1981 Lynx Engine Internals.
What are the top-rated Engine Internals that fit the 1981 Mercury Cougar?
Based on 28 reviews by customers, our 1981 Mercury Cougar Engine Internals have an average customer rating of 4.3 stars. These are the highest-rated categories of Engine Internals for the 1981 Mercury Cougar and their top-rated products:
- Standard Individual Rod Bearings
- Sealed Power Engine Connecting Rod Bearing, 2600CP 10 (3695085) – $5.49
- Standard Rod Bearing Sets
- Sealed Power Engine Connecting Rod Bearing Set, 4-3545A .25MM (19693502) – $39.99
- Sealed Power Engine Connecting Rod Bearing Set, 8-2600A (21021848) – $66.99
- Sealed Power Engine Connecting Rod Bearing Set, 8-2600CP (19693555) – $62.99
What types of Engine Internals do you sell for my 1981 Mercury Cougar?
As of 8/2/26, these are some of the most in-demand types of Engine Internals for a 1981 Mercury Cougar:
Can I get help with 1981 Mercury Cougar Engine Internal orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mercury Engine Internals and more.
What is your return policy for Mercury Cougar Engine Internals?
Advance Auto Parts keeps returns simple. For new Mercury Cougar Engine Internals and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.