1986 Buick Riviera Engine Parts
Find Your Specific 1986 Buick Riviera Engine Parts
Below you will find various in-demand Buick Engine Parts, components and accessories for your 1986 Riviera. Advance Auto Parts has popular Riviera parts like Engine Gaskets and Seals, Engine Timing Parts, Engine Switches, Sensors and Relays and more. You’ll also find aftermarket and OEM Engine Parts for other Riviera model years including
1990,
1991,
1992,
1993,
1995,
1996,
1997,
1998,
1999 and more. Select a category of 1986 Buick Riviera Engine Parts below and start saving instantly.
Popular 1986 Buick Riviera Engine Parts Categories
Essential Engine Parts for 1986 Buick Rivieras
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4265M 10)
from
$229.99
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.
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Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Carquest Premium – Oil Filler Cap (Part No.10077)
from
$5.99
Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.
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Product Features:
- Provides proper seal to ensure leak prevention
- Stops engine blow by
- High quality construction
- Meets all OEM specifications
Sealed Power – Engine Assembly Lubricant (Part No.55-400)
from
$10.49
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.
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- Formulated for prelubrication cam lobes, lifters & engine bearings
- Increases load carrying capacity
- Holds fast to surfaces
- Exacting tolerances
- Meets or exceeds OEM specifications
- 4.0 oz. Squeeze Container
Carquest Premium – Multi-Use Connector (Part No.PTA1129)
from
$55.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
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Product Features:
- Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
- WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
- Product constructed to meet all design and operating characteristics as intended by the manufacturer.
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
Imperial – Engine Oil Cooler (Part No.241040)
from
$248.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
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Product Features:
- Imperial Swirl-Cool engine oil cooler kit
- Size: 1-1/2″ x 6-1/2″ x 18″
- Heavy-duty applications
- All except Chevrolet V8 applications
- Universal Cooler, NOT a direct OE replacement. User to determine fitment prior to installation
- Heavy duty applications
- All except Chevrolet V8 applications
- Universal Cooler, NOT a direct OE replacement. User to determine fitment prior to installation
- Heavy duty applications
- All except Chevrolet V8 applications
National – Engine Crankshaft Seal (Part No.5118)
from
$41.99
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.
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Product Features:
- Design type: split-lip; 2-piece
- Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
- Good low temperature capability
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair
Dorman – Pik-a-Nut – Steel Cup Expansion Plug 1-1/8 In., SC, Height 0.470 (Part No.362639.1)
from
$2.99
This engine cylinder head plug 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.
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Product Features:
- Direct replacement – this engine cylinder head plug matches the fit and function of the factory part on specified years, makes and models
- Ideal solution – this plug 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
Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S369)
from
$18.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation
Product Features:
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Product Features:
- Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
- Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
- CAD designed and manufactured using premium materials
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Refer to our online catalog for detailed application-specific information
Felpro – Engine Timing Cover Gasket Set (Part No.TCS 45695)
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.
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Product Features:
- DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
- SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
- ENGINEERING EXPERTISE – Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
- REAL-WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
- EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
Carquest – Crankshaft Sensor (Part No.35C1018)
from
$42.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.
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Product Features:
- Designed to OE standards for ease of installation
- 100% testing to meet OE performance
- High temperature resistance for longer life
Melling – Stock Replacement Type Oil Pump Repair Kit (Part No.K-20J)
from
$44.99
Melling oil pump repair kits are provided to supply the parts needed to rebuild a specific individual oil pump. Melling kits include all the required parts needed for a quality oil pump rebuild. Although Melling recommends the installation of a new oil pump, Melling oil pump repair kits are the preferred choice when a rebuilder has the desire to reuse the original oil pump casting or front timing cover.
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Product Features:
- Includes components needed to rebuild a worn oil pump providing an alternative to purchasing a new oil pump
- Components are manufactured from high quality materials for durable wear
- Components are precision engineered for optimum fit and function
- Designed for long-life and worry-free performance
Felpro – Multi-Purpose O-Ring (Part No.35608)
from
$2.79
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.
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Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered and manufactured specifically for the repair environment
- Unsurpassed quality you can trust
- Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
Sealed Power – Engine Connecting Rod Bearing (Part No.3760A 20)
from
$6.49
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:
- 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
Felpro – Engine Crankshaft Seal Kit (Part No.BS 40613)
from
$16.99
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.
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Product Features:
- Full Sets contain all the gaskets and seals necessary for a complete engine overhaul
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered for the sealing repair environment
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Dorman – Help – Fuel Injector O-Ring Assortment (Part No.90101)
from
$17.99
The components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles. They are engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged.
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Product Features:
- Direct replacements – the components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles
- Ideal solution – engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged
- Durable construction – designed and manufactured to strict specifications for reliable performance
- Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
Dorman – Pik-a-Nut – Steel Cup Expansion Plug 1-9/16 In., Height 0.380 (Part No.362518.1)
from
$3.99
This engine expansion plug 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.
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Product Features:
- Direct replacement – this engine expansion plug matches the fit and function of the factory part on specified years, makes and models
- Ideal solution – this plug 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
Spartan – Engine Cylinder Head; Olds 350 77-80 Cyl Head (Part No.2O04)
from
$397.99
Remanufactured Cylinder Heads are complete rebuild & include new valve stem seals, soft plugs & verified camshafts. All threads are checked and repaired if necessary. Cylinder Heads are packaged in heavy plastic to protect the unit.
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Product Features:
- All cylinder heads are both vacuum and pressure tested to verify valve seating, & integrity of water passages.
- All cylinder heads are packaged in environmentally safe and recyclable containers that are the perfect size for returning your original core
- All threads and machined surfaces are and repaired with technology that exceeds the original metal
- Non-sealing iron surfaces painted to prevent oxidization
Sealed Power – Engine Valve Lifter (Part No.HT-2148)
from
$14.49
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.
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Product Features:
- Unsurpassed quality that you can trust
- Uses leading edge materials
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Melling – Stock Replacement Oil Pump Screen (Part No.22-FHVS)
from
$48.99
Made In USA. A new Melling pick-up tube/oil screen assembly provides the lubrication oil as well as protection for your oil pump from materials that find their way into the engine oil supply system. Contaminates enter your oil system via engine wear, extended time between oil changes and other internal engine sources. These contaminates can interfere with the proper oil flow and pressure spring functions resulting in engine damage and/or failure. Melling suggests that a new properly installed oil pump pick-up tube/screen be a part of every oil pump installation. Several Melling oil pump applications are offered with an oil screen included.
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Product Features:
- Manufactured from high quality durable materials for long wear
- Precision engineering protects the engine from dirt and contaminants
- Designed for long-life and worry-free performance
- Meets or exceeds original equipment specifications
Cardone – Remanufactured Engine Control Computer (Part No.77-6025)
from
$164.99
CARDONE Remanufactured Electronic and Powertrain Control Modules are designed to meet or exceed O.E. performance. Reverse engineering provides insight into how and why the unit originally failed, allowing our engineers to identify and correct original design weaknesses. All critical components are re-soldered or replaced at our Philadelphia manufacturing plant, and each unit is 100 percent computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.
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Product Features:
- Tested with automated computer equipment or bench-tested, depending on application, to ensure functionality.
- Re-soldering of critical components ensures superior electrical connections. This prevents intermittent failures and leads to longer product life.
- On-car vehicle validation is done to test durability and performance.
- As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
- Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80 percent.
Dorman – Brass Cup Expansion Plug 25.56mm, Height 0.430 (sold by each) (Part No.565-017)
from
$2.99
This engine oil galley plug 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.
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Product Features:
- Direct replacement – this engine oil galley plug matches the fit and function of the factory part on specified years, makes and models
- Ideal solution – this plug 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 Connecting Rod Bearing Set (Part No.8-3045A 20)
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.
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
Dorman – Engine Oil Pan: Direct Fit, Steel, Sump (Part No.264-129)
from
$69.99
Oil pan leaking? This engine oil pan is precision-engineered to match the original equipment pan on specific vehicle years, makes and models for a reliable replacement.
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Product Features:
- Direct replacement – this engine oil pan is made to match the original pan on specific vehicles
- Complete assembly – includes replacement pan and drain plugs to match original components
- Durable design – high-strength coating prevents future corrosion
- Trustworthy value – backed by team of engineers and quality control experts in the United States
Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S812T)
from
$45.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation
Product Features:
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Product Features:
- Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
- Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
- CAD designed and manufactured using premium materials
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Refer to our online catalog for detailed application-specific information
Felpro – PermaTorque Engine Cylinder Head Gasket (Part No.8723 PT-1)
from
$25.49
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- PROPRIETARY COATING – Nonstick anti-friction coating seals small surface scratches and imperfections
- SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
- NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
- STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
- DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
Sealed Power – Engine Valve Spring Retainer Keeper (Part No.VK-291)
from
$0.65
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.
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Cloyes Performance – Engine Timing Set (Part No.9-1134)
from
$89.99
Billet Crankshaft Sprocket Has Three Keyways for +/- 4 Degrees Adjustability. Crankshaft Sprocket Heat Treated for Durability. Seamless TRUE Roller 0.250″ Roller Diameter Chain for Reduced Friction.
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Product Features:
- The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
- Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
- Refer to our online catalog for detailed application-specific information
- Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
Cloyes Gear – Engine Timing Chain (Part No.C375)
from
$35.99
A timing chain synchronizes the rotation of the crankshaft and camshaft(s) ensuring proper timing and allows the engine’s valves to open and close during each cylinder’s firing. Available in kits or as a stand-alone product, our chains are pre-stressed and heat-treated for increased durability. Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
Product Features:
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Product Features:
- Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
- CAD designed and manufactured using premium materials
- Refer to our online catalog for detailed application-specific information
- Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Plates And Rollers With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.
Upgrade your 1986 Buick Riviera with Top-Quality Engine Parts
When it comes to maintaining or upgrading your 1986 Buick Riviera, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Buick or enhancing its overall performance, Engine Parts are key to keeping your Riviera functioning at its best. At Advance Auto Parts, we offer a wide selection of 52 Engine Parts for the 1986 Buick Riviera, designed to meet your needs without breaking the bank.
From
Engine Gaskets and Seal
replacements to
Engine Timing Parts
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Engine Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Engine Parts for your 1986 Buick Riviera at great prices.
Our Engine Parts inventory for this model
ranges from just $0.43 to $344.99, with
an average price of $40.96.
Our 52 Engine Parts in stock come from 11 trusted brands, so you’re sure to find the right part for your 1986 Buick Riviera without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1986 Buick Riviera, we stock popular OEM and aftermarket Engine Parts from top names
like Melling, Dorman, Imperial, and more.
Melling Engine Parts
start at just $76.99 and boast an impressive 4.3 stars average rating from customers.
Dorman and Imperial also bring quality to the table, with Engine Parts available starting at $1.29, and at an average 4.2 stars rating.
With 102 customer reviews and counting, our 1986 Buick Riviera Engine Parts have a strong track record of reliability, ensuring you can trust your purchase.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Engine Part upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants
and more to make sure your 1986 Buick Riviera is always ready to roll. We’re committed to providing you with everything you need to keep your Riviera in top shape, all in one place.
Start shopping confidently below for your 1986 Buick Riviera!
Best-Selling Engine Gaskets and Seals for 1986 Buick Rivieras
Enhance the driving experience in your Buick with 2 quality Engine Gaskets and Seal components, starting at $16.99.
Felpro – Engine Crankshaft Seal Kit (Part No.BS 40613)
from
$16.99
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.
Product Features:
See More
Product Features:
- Full Sets contain all the gaskets and seals necessary for a complete engine overhaul
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered for the sealing repair environment
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Felpro – Engine Timing Cover Gasket Set (Part No.TCS 45695)
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.
Product Features:
See More
Product Features:
- DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
- SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
- ENGINEERING EXPERTISE – Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
- REAL-WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
- EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
Most Popular 1986 Buick Riviera Engine Timing Parts
Customize your Buick with 5 Engine Timing Parts products
like Timing Sets,
Timing Cam Gears, and
Timing Chains, all
priced under $89.99.
Cloyes Gear – Engine Timing Chain (Part No.C359)
from
$15.99
A timing chain synchronizes the rotation of the crankshaft and camshaft(s) ensuring proper timing and allows the engine’s valves to open and close during each cylinder’s firing. Available in kits or as a stand-alone product, our chains are pre-stressed and heat-treated for increased durability. Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
Product Features:
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Product Features:
- Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
- CAD designed and manufactured using premium materials
- Refer to our online catalog for detailed application-specific information
- Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Plates And Rollers With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.
Cloyes Performance – Engine Timing Set (Part No.9-1134)
from
$89.99
Billet Crankshaft Sprocket Has Three Keyways for +/- 4 Degrees Adjustability. Crankshaft Sprocket Heat Treated for Durability. Seamless TRUE Roller 0.250″ Roller Diameter Chain for Reduced Friction.
Product Features:
See More
Product Features:
- The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
- Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
- Refer to our online catalog for detailed application-specific information
- Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
Cloyes Performance – High Performance Timing Chain (Part No.9-143)
from
$17.99
Street Performance 3/8″ Pitch Double Roller Replacement TRUE Roller Chain. Seamless 0.250″ Roller Diameter. Heat Treated and Processed Links to Maximize Breaking Strength while Remaining Ductile for Toughness. Pre-stressed to Increase Fatigue Life.
Product Features:
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Product Features:
- A timing chain synchronizes the rotation of the crankshaft and camshaft(s), ensuring proper timing of the engines valve events for each cylinder
- Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
- From stock replacement to high performance, Cloyes has the most complete timing chain catalog
- Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Cloyes recommends the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced as these components play a vital role in system stability and accurate timing
- Refer to our online catalog for detailed application-specific information
- Keep your engines valvetrain in perfect time with Cloyes, the world leader in timing drive systems
Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S621)
from
$12.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation
Product Features:
See More
Product Features:
- Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
- Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
- CAD designed and manufactured using premium materials
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Refer to our online catalog for detailed application-specific information
Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S610T)
from
$7.49
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation
Product Features:
See More
Product Features:
- Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
- Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
- CAD designed and manufactured using premium materials
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Refer to our online catalog for detailed application-specific information
Top Picks for 1986 Buick Riviera Engine Switches, Sensors and Relays
Upgrade Buick Rivieras with top-quality Engine Switches, Sensors and Relays parts, including 1 OEM and aftermarket selections for your 1986 model.
Carquest Premium – Engine Crankshaft Position Sensor (Part No.CSC1572)
from
$44.99
Carquest Premium crankshaft position sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium crankshaft and camshaft sensors are engineered with technology that provides increased output accuracy through a stronger, more consistent signal. Our sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium crankshaft and camshaft position sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
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Product Features:
- Engineered with technology that provides increased accuracy with a stronger, more consistent signal
- Sensors are based on proven hall effect and variable reluctance technology
- Includes OE-style brackets, hold downs, hardware, or spacers as needed for each application.
- O-rings and seals are included if required.
- Weather-tight connectors prevent leaks and corrosion for better reliability.
- Extensive design validation testing and 100% end-of-line tested.
- Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
In-Demand Valve Cover and Cylinder Heads for 1986 Buick Rivieras
Select from 7 premium Valve Cover and Cylinder Heads parts for your 1986 Buick Riviera, with prices ranging from $0.43 to $344.99.
Sealed Power – Engine Valve Spring Retainer Keeper (Part No.VK-115)
from
$0.43
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:
- Unsurpassed quality that you can trust
- Uses leading edge materials
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Valve Lifter (Part No.HT-969)
from
$8.99
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:
- Unsurpassed quality that you can trust
- Uses leading edge materials
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Dorman – Pik-a-Nut – Steel Cup Expansion Plug 1-1/8 In., SC, Height 0.470 (Part No.362639.1)
from
$2.99
This engine cylinder head plug 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 cylinder head plug matches the fit and function of the factory part on specified years, makes and models
- Ideal solution – this plug 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
Felpro – PermaTorque Engine Cylinder Head Gasket (Part No.8723 PT-1)
from
$25.49
Product Features:
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- PROPRIETARY COATING – Nonstick anti-friction coating seals small surface scratches and imperfections
- SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
- NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
- STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
- DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
Spartan – Engine Cylinder Head; Buick 231/3.0 Cyl Head (Part No.2B35)
from
$344.99
Remanufactured Cylinder Heads are complete rebuild & include new valve stem seals, soft plugs & verified camshafts. All threads are checked and repaired if necessary. Cylinder Heads are packaged in heavy plastic to protect the unit.
Product Features:
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Product Features:
- All cylinder heads are both vacuum and pressure tested to verify valve seating, & integrity of water passages.
- All cylinder heads are packaged in environmentally safe and recyclable containers that are the perfect size for returning your original core
- All threads and machined surfaces are and repaired with technology that exceeds the original metal
- Non-sealing iron surfaces painted to prevent oxidization
Sealed Power – Engine Valve Lifter (Part No.HT-969B)
from
$5.29
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.
Product Features:
See More
Product Features:
- Unsurpassed quality that you can trust
- Uses leading edge materials
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Dorman – Steel Cup Expansion Plug 1-1/8 In., SC, Height 0.470 (Sold by each) (Part No.555-020)
from
$1.79
This engine cylinder head plug 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 cylinder head plug matches the fit and function of the factory part on specified years, makes and models
- Ideal solution – this plug 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
Most Sold 1986 Buick Riviera Camshafts
Explore our best-selling Buick parts for the 1986 Riviera among 2 OEM and aftermarket options starting from $2.79.
Felpro – Multi-Purpose O-Ring (Part No.35608)
from
$2.79
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.
Product Features:
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Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered and manufactured specifically for the repair environment
- Unsurpassed quality you can trust
- Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
Carquest Premium – Multi-Use Connector (Part No.PTA1154)
from
$17.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
Product Features:
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Product Features:
- Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
- Product constructed to meet all design and operating characteristics as intended by the manufacturer.
- Product constructed to meet all design and operating characteristics as intended by the manufacturer.
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
Top-Rated Engine Parts Brands For Your 1986 Buick Riviera
Shop for the best-rated brands offering Engine Parts and other products for your 1986 Buick Rivieras. Below you’ll find some of our best rated Engine Parts from Melling, Dorman, and Imperial, and more. Engine Parts from these brands that fit a 1986 Riviera start at just $1.29 and are rated as high as 4.3 stars. OEM and aftermarket Engine Parts don’t get more top quality, durable, and affordable than from the brands below.
Popular Melling 1986 Buick Riviera Engine Parts
When it comes to maintaining or upgrading your 1986 Buick Riviera, using quality Engine Parts is essential to ensure durability and a perfect fit. Melling ticks all of those boxes. We offer a wide selection of Melling Engine Parts, specifically designed for the 1986 Buick Riviera. With over 1 Melling brand Engine Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $76.99. Plus, with over 1 customer reviews and an average rating of 4.3 stars, you can trust that our Melling Engine Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
from
$76.99
(1)
Stock Replacement Type Oil Pump Repair Kit
“200K on original, so I thought it was time to replace the timing chain, and do this, too, while I was in there. Checked tolerances on the old pump and”
Popular Dorman 1986 Buick Riviera Engine Parts
Dorman auto parts is one of the highest quality Engine Part brands in the market. Any 1986 Buick Riviera owner should feel confident when installing genuine Dorman parts in their vehicle. To ensure the best fit and performance for your 1986 Riviera, Advance Auto Parts carries a full inventory of 3 Dorman Engine Parts. Plus you will be keeping your Buick in peak condition while saving money because prices on these Dorman Engine Parts range from $1.29 to $7.49, plus, with more than 6 customer reviews and an impressive 4.2 stars average rating, you can be confident the Fram Engine Parts below will deliver on both quality and value.
from
$7.49
(2)
Rubber Expansion Plug 1 In. – Size Range 1 In. – 1-1/8 In.
“Needed plug for transmission.
Seems to be working.”
FAQs for 1986 Buick Riviera Engine Parts
Which Engine Parts are best-sellers for 1986 Buick Rivieras?
Out of 52 Engine Parts that fit 1986 Buick Rivieras, the following parts are the top sellers:
- Rubber Expansion Plug 1 In. – Size Range 1 In. – 1-1/8 In. (5701252) – $7.49
- Engine Valve Lifter (5688736) – $8.99
- Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (3492249) – $1.29
What’s the price range for 1986 Buick Riviera Engine Parts?
Engine Part prices for the 1986 Buick Riviera start at $0.43 and go up to $344.99 for the most premium parts.
What’s the average price of a Engine Part for a 1986 Buick Riviera?
The average price for Engine Parts for the 1986 Buick Riviera is $40.96. Keep in mind the variety of part types within our Engine Part category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Engine Parts for other Buick Riviera model years?
What are the cheapest Engine Parts for my 1986 Buick Riviera?
The cheapest 1986 Buick Riviera Engine Parts we carry in stock are:
- Engine Valve Spring Retainer Keeper (19694179) – $0.43
- Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (3492249) – $1.29
- Steel Cup Expansion Plug 1-7/32 In., Height 0.500 (sold by each) (22140593) – $1.29
- Steel Cup Expansion Plug 1-1/8 In., Height 0.505 (sold by each) (16140180) – $1.79
- Steel Cup Expansion Plug 1-1/8 In., SC, Height 0.470 (Sold by each) (16140181) – $1.79
What are the top-rated Engine Parts that fit the 1986 Buick Riviera?
Out of 102 reviews by customers, our 1986 Buick Riviera Engine Parts have an average customer rating of . These are some of the highest-rated Engine Part types for the 1986 Buick Riviera and their top-rated products:
- Valve Cover and Cylinder Heads
- Engine Valve Spring Retainer Keeper (19694179) – $0.43
What types of Engine Parts do you sell for my 1986 Buick Riviera?
As of 11/2/25, these are some of the most in-demand types of Engine Parts for a 1986 Buick Riviera:
Can I get help with 1986 Buick Riviera Engine Part orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Buick Engine Parts and more.
What is your return policy for Buick Riviera Engine Parts?
Advance Auto Parts keeps returns simple. For new Buick Riviera Engine Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
