1981 Buick Estate Engine Parts
Select Your Submodel
- Engine Assemblies
- Motor Mounts
- Engine Blocks
- Valves & Valvetrain Parts
- Pistons, Rings & Connecting Rods
- Oil Filters
- Serpentine Belts & Auxiliary Drive Belts
- Valve Covers
- Timing Gears, Chains & Covers
- Oil Pans, Drain Plugs & Dipsticks
- Cylinder Heads
- Engine Sensors, Relays, Switches & Connectors
- Oil Pumps
- Oil Coolers
- Camshafts
- Crankshafts
- Engine Management Systems
- Engine Bearings
- Harmonic Balancers
- Engine Rebuild Kits
- Balance Shafts
- Engine Swap Kits
- Throttle Bodies
- Carburetors
- Motor Oils
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CVR Performance®Spin-On Oil Filter MountBuick Estate With Chevy Small Block 1981, Spin-On Oil Filter Mount by CVR Performance®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance...Eliminates the filter bypass port for 100% complete filtrationIncludes O-ring seal & hardware$38.92 - Cloyes®Button Type Camshaft Thrust ButtonBuick Estate 1981, Button Type Camshaft Thrust Button by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear...Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing$5.92
- Fel-Pro®Blue Stripe™ Cork-Rubber Valve Cover Gasket SetBuick Estate 1981, Blue Stripe™ Cork-Rubber Valve Cover Gasket Set by Fel-Pro®. This legendary cork-rubber solution combines the qualities of cork and rubber gaskets. It maintains its shape and flexibility, yet is highly compressible....Designed for imperfect sealing surfaces - Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfacesEngineered to perform - Proprietary cork-rubber formulation$11.53
- Fel-Pro®Fel-CoPrene™ Rubber Valve Cover Gasket SetBuick Estate 1981, Fel-CoPrene™ Rubber Valve Cover Gasket Set by Fel-Pro®. If you are looking for quality sealing solutions, Fel-Pro offers you various replacement products from seals and bolts to O-Rings and dowel pins. Engineered...Made with precision and quality in mindDesigned to meet your specific needs$13.59
- Gates®Cam Twist Oil Filler CapBuick Estate 5.0L 1981, Cam Twist Oil Filler Cap by Gates®. Designed with customers in mind, this superior tool will give you the functionality and reliability you need to get things done right the first time. Gates made it using...The finest quality at a great priceGates carries everything needed to complete the job$3.52
- Fel-Pro®Timing Cover Repair SleeveBuick Estate 5.0L 1981, Timing Cover Repair Sleeve by Fel-Pro®. If you are looking for quality sealing solutions, Fel-Pro offers you various replacement products from seals and bolts to O-Rings and dowel pins. Engineered using the...Direct OEM replacement for a proper fitEnsures reliable sealing performance$7.29
- Enginetech®Engine Valve LifterBuick Estate 1981, Engine Valve Lifter by Enginetech®. Enginetech Lifters are made to OEM quality and specifications. Enginetech believes one of the most crucial parts of an engine. Enginetech assure that a factory spec. lifter is used...Made with precision and quality in mindDesigned to meet your specific needs$14.40 - $257.15
- Enginetech®Premium Umbrella Valve SealsBuick Estate 1981, Premium Umbrella Valve Seals by Enginetech®. The Engine Builder's Source, can locate the right part for nearly any rebuild application. Offering a full line of internal engine parts for domestic, import and high...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$8.36 - $10.75
- Enginetech®Push RodsBuick Estate 5.0L 1981, Push Rods by Enginetech®. The Engine Builder's Source, can locate the right part for nearly any rebuild application. Offering a full line of internal engine parts for domestic, import and high performance...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$6.57
- Enginetech®Valve SeatsBuick Estate 1981, Valve Seats by Enginetech®. The Engine Builder's Source, can locate the right part for nearly any rebuild application. Offering a full line of internal engine parts for domestic, import and high performance...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$6.90 - $77.60
- Sealed Power®Valve Spring Retainer KeeperBuick Estate 1981, Valve Spring Retainer Keeper by Sealed Power®. Designed utilizing the latest technology, this product by Sealed Power features premium quality and will perform better than advertised. Perfect for your vehicle and...Direct replacementManufactured to strict engineering quality standards$0.26
- COMP Cams®Race Dual Valve SpringBuick Estate 5.0L 1981, Race Dual Valve Spring by COMP Cams®. This high-grade product was designed with craftsmanship and key attention to detail and manufactured using leading-edge innovations by experienced and knowledgeable...Developed to provide steady performance and reliabilityMade using up-to-date equipment and new technologies$34.95 - $372.95
- QualCast®Hydraulic Valve LifterBuick Estate 5.7L 1981, Hydraulic Valve Lifter by QualCast®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed...Made from high-strength materials for uncompromising durabilityDesigned to provide an excellent combination of price and quality$13.12
- QualCast®Valve SpringBuick Estate 5.0L 1981, Valve Spring by QualCast®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide...Made from high-strength materials for uncompromising durabilityDesigned to provide an excellent combination of price and quality$3.57
- QualCast®Valve Stem Oil SealBuick Estate 1981, Valve Stem Oil Seal by QualCast®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...Made from high-strength materials for uncompromising durabilityDesigned to provide an excellent combination of price and quality$0.88 - $2.24
- Crower®Hydraulic LiftersBuick Estate 5.7L 1981, Hydraulic Lifters by Crower®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...High quality at an affordable priceExpertly made from premium materials$141.63
- Fel-Pro®Harmonic Balancer Repair SleeveBuick Estate 5.0L 1981, Harmonic Balancer Repair Sleeve by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the...Direct OEM replacement for a proper fitEnsures reliable sealing performance$7.29
- ARP®12-Point Harmonic Damper Bolt Kit with WashersBuick Estate 1981, 12-Point Harmonic Damper Bolt Kit with Washers by ARP®. As the crankshaft flexes and twists, the harmonic damper absorbs incredible amounts of kinetic energy. To ensure that the damper is locked in position, ARP has...Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$27.90
- Dorman®Autograde™ Brass Pipe PlugsBuick Estate 1981, Autograde™ Brass Pipe Plugs by Dorman®. This pipe plug matches the original equipment plug for diameter, thread pitch and head type to ensure a reliable repair. Made of corrosion-resistant material, it has been...Ideal replacement - this pipe plug matches the diameter, thread pitch and head type of the original equipment partDurable construction - this plug is made of quality materials for dependable service$3.51
- Dorman®Coarse Thread Type Pipe PlugBuick Estate 1981, Coarse Thread Type Pipe Plug by Dorman®. Dorman Pipe Plugs are manufactured with high corrosion resistance for long-lasting performance. They're conveniently available in packs of varying quantities.Direct replacement for a proper fit every timeThread lock applied for increased locking action and leak prevention$3.33
- SCE Gaskets®Accu Seal E Dyno Pak Rear Main Seal SetBuick Estate With Chevy Small Block Engine 1981, Accu Seal E Dyno Pak Rear Main Seal Set by SCE Gaskets®. Another SCE first: Dyno PaksTM are tailor-made for engine builders and other volume gasket users. Each Dyno Pak contains 10...Perfect solution for racing and high-performance engine applicationsManufactured using advanced engineering and on-track testing$98.76
- Moroso®Rear Main Seal AdapterBuick Estate 5.7L 1981, Rear Main Seal Adapter by Moroso®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$225.99 - $252.99
- Hayden®Oil Cooler Metal Line KitBuick Estate 1981, Oil Cooler Metal Line Kit by Hayden®. Keep your engine oil cool with this product. Designed to route oil lines past exhaust manifolds, the part provides exceptional protection and years of reliable service. The kit...Designed to route oil lines past exhaust manifoldsProvides protection where standard hoses can fail$40.84
- Derale Performance®NPT Fluid Control Thermostat KitBuick Estate 1981, NPT Fluid Control Thermostat Kit by Derale Performance®. This Billet Style Cast Aluminum Fluid Control Thermostat with 1/2" NPT ports allows the oil to bypass the cooler until it reaches 180 Degree F at which point...Bypasses cooler at 180 Degree FProvides quicker warm-up temperatures$64.59
- National®Polyacrylate Oil Pump SealBuick Estate 1981, Polyacrylate Oil Pump Seal by National®. Don’t just repair a leak, prevent future problems with a National Oil Seal. This part is manufactured using exclusive National Dynamic Edge technology that generates a...Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection$5.87
- Dura-Bond®Engine Hardware Finishing KitBuick Estate 1981, Engine Hardware Finishing Kit by Dura-Bond®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability....Made with precision and quality in mindDesigned to meet your specific needs$8.56 - $17.69
- Standard®Throttle Position SensorBuick Estate 1981, Throttle Position Sensor by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...Each Standard® sensor is a direct-fit replacement sensor that restores proper information transfer to the ECU on throttle position providing efficient fuel economy and engine performanceEach Standard® throttle position sensor features quality construction that promotes accurate communication of throttle valve angle to the vehicles computer, resulting in improved performance$32.96
- Hygrade®Carburetor Repair KitBuick Estate With Rochester Carburetor 1981, Carburetor Repair Kit by Hygrade®. Rebuilding a carburetor can be an economical alternative to buying a new part. This kit includes all required hardware for a complete repair. The product is...Direct replacementSaves you money and restores your carburetor$26.38 - $42.41
- WVE®Throttle Position SensorBuick Estate 5.0L 1981, Throttle Position Sensor by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$36.30
- Walker Products®Carburetor Repair KitBuick Estate With Carburetor Manufacturing: R-4 1981, Carburetor Repair Kit by Walker Products®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$23.54 - $31.68
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