1981 Chevrolet Impala Engine Internals
More 1981 Chevrolet Impala Engine Internals
Find your specific 1981 Chevrolet Impala original or aftermarket Engine Internals below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.
Essential 1981 Chevrolet Impala Engine Internals
Dorman – Connecting Rod Nuts, Type 2, 3/8-24 X 9/16 In., Ford (sold by each) (Part No.635-002)
from
$1.29
This engine connecting rod nut is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
Product Features:
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Product Features:
- Direct replacement – this engine connecting rod nut matches the fit and function of the factory part on specified years, makes and models
- Ideal solution – this nut 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
Sealed Power – Engine Piston Ring Set (Part No.WE-251K)
from
$20.99
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:
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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
Sealed Power – Engine Piston Ring Set (Part No.WE-251K 30)
from
$18.99
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:
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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
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-2555CP 20)
from
$75.99
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:
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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
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-2555A 10)
from
$157.99
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:
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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
ARP Auto Racing – For Use With Chevy Small Block, 5/8" Socket Size, 3/4" – 16 Thread Size (Part No.134-2501)
from
$36.49
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.
Product Features:
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Product Features:
- Ultra Strong Bolt Rated At 200,000 PSI
- 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
- Delivers ARP Quality And Reliability
- Made In USA
- 12-Point Head
- Sold Individually
- 200,000 PSI
- 2.470″ Underhead Length
Dorman – Harmonic Balancer Bolt (Part No.A2211703503DOR)
from
$6.38
Our Engine Harmonic Balancer Bolt locks the harmonic balancer onto the crankshaft. All our Engine Harmonic Balancer Bolts are made of high quality materials for durability.
Product Features:
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Product Features:
- Direct replacement for a proper fit
- No special tools required
- Easy to install
- Harmonic Balancers also available, sold separately
Mr. Gasket – Woodruff Key (Part No.984G)
from
$30.19
Short style. The offset cam and crankshaft key is another method to increase torque and horsepower within the operating range you select.
Product Features:
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Product Features:
- Increases Low-End Torque
- Increases Mid-Range Horsepower
- Reduces Low-End Torque
- Increases Top-End Horsepower
Mahle – Crankshaft Seal (Part No.A8060202280MAH)
from
$40.03
Crankshaft Seal
National – Multi Purpose Seal (Part No.100470)
from
$28.99
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.
Product Features:
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Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -100°F to 450°F / -73°C to 232°
- Excellent dry running capabilities
- Low coefficient of friction
- Delivers quality and reliable performance for every type of repair
Driveworks – Crankshaft Seal (Part No.S-3945)
Sealed Power – Engine Piston (Part No.W1009P)
from
$57.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
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Product Features:
- Cast with FM132 Eutectic proprietary alloy
- Performance & dependability of original equipment pistons
- High quality aluminum
- Utilizes ISO & QS certified manufacturing
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston (Part No.W235NP 30)
from
$28.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Cast with FM132 Eutectic proprietary alloy
- Performance & dependability of original equipment pistons
- High quality aluminum
- Utilizes ISO & QS certified manufacturing
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston (Part No.WH423DCP)
from
$20.49
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
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Product Features:
- Hypereutectic
- Made w/exclusive FM425 material for excellent strength & scuff resistance – allows tighter bore and improves sealing for less blow-by
- Sophisticated “barrel” profiles help optimize oil wedge between skirt and wall.
- Piston skirts protected by next-gen DUROSHIELD« coating.
- TAC┐ ring groove geometry
- Weight matched to +/- 2 grams.
Sealed Power – Engine Piston (Part No.WH423DCP 60)
from
$19.49
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:
See More
Product Features:
- Hypereutectic
- Made w/exclusive FM425 material for excellent strength & scuff resistance – allows tighter bore and improves sealing for less blow-by
- Sophisticated “barrel” profiles help optimize oil wedge between skirt and wall.
- Piston skirts protected by next-gen DUROSHIELD« coating.
- TAC┐ ring groove geometry
- Weight matched to +/- 2 grams.
Sealed Power – Engine Piston (Part No.W235NP)
from
$18.79
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.
Product Features:
See More
Product Features:
- Cast with FM132 Eutectic proprietary alloy
- Performance & dependability of original equipment pistons
- High quality aluminum
- Utilizes ISO & QS certified manufacturing
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston (Part No.W454NP)
from
$23.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Cast with FM132 Eutectic proprietary alloy
- Performance & dependability of original equipment pistons
- High quality aluminum
- Utilizes ISO & QS certified manufacturing
- Meets or exceeds OEM specifications
Sealed Power – Engine Connecting Rod Bearing (Part No.2555A 2)
from
$4.79
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.
Product Features:
See More
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
Sealed Power – Engine Connecting Rod Bearing (Part No.2020CP 30)
from
$7.49
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:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.1020A .25MM)
from
$9.79
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.
Product Features:
See More
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
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4663MA 10)
from
$103.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- 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
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.5085MA 40)
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.
Product Features:
See More
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
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.7298MA)
from
$121.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- 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
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.7242MA .50MM)
from
$64.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- 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
Sealed Power – Engine Piston Set (Part No.8KH423DCP 30)
from
$190.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Hypereutectic
- Made w/exclusive FM425 material for excellent strength & scuff resistance – allows tighter bore and improves sealing for less blow-by
- Sophisticated “barrel” profiles help optimize oil wedge between skirt and wall.
- Piston skirts protected by next-gen DUROSHIELD« coating.
- TAC┐ ring groove geometry
- Weight matched to +/- 2 grams.
Popular 1981 Chevrolet Impala Engine Internals Categories
1981 Chevrolet Impala Engine Internals
Maybe you’re in the middle of a full rebuild of that 1981 Chevrolet Impala. Maybe you just need a couple of Engine Internals. Either way, Advance Auto Parts has 124 different Engine Internals in our inventory ranging from $1.29 to $369.99. That means you can find the exact parts or products you need to keep that 1981 Chevrolet Impala running smoothly.
Engine Internals are only as good as their brand. We stock 7 different brands to make sure you have plenty of trusted parts to choose from for your 1981 Chevrolet Impala. Sealed Power, National, and Mr. Gasket are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!
We know you’ll find the perfect Engine Internals for your 1981 Chevrolet Impala, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 168 reviews in this category, some of the top rated parts include Engine Crankshaft Main Bearing Set with 5.0 stars and Oil Seal with 4.0 stars.
So if you’re in the market for aftermarket Engine Internals to keep your 1981 Chevrolet Impala rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!
Engine Internals Brands To Make Your 1981 Chevrolet Impala Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 1981 Chevrolet Impala demands trusted brand parts and products to keep it running. Many trusted brands of Engine Internals make up Advance Auto Parts’ inventory, and all are ready to help make your Impala the best it can be. Be sure to browse some of our top Engine Internals brands and parts.
Popular Felpro Engine Internals
We carry Felpro parts in our stock across Crankshaft Seals categories, plus more. For a 1981 Chevrolet Impala, our most popular Felpro Engine Internals include:
Top 1981 Chevrolet Impala Engine Internals from Sealed Power
Sealed Power products are another trusted brand when it comes to Engine Internals for your 1981 Chevrolet Impala. Popular Sealed Power parts include:
FAQs for 1981 Chevrolet Impala Engine Internals
What are the most purchased Engine Internals for the 1981 Chevrolet Impala?
Out of 124 Engine Internals for the 1981 Chevrolet Impala, the most popular in our inventory are:
What are the top-rated 1981 Chevrolet Impala Engine Internals?
Top-rated Engine Internals for your 1981 Chevrolet Impala based on customer reviews/ratings are:
