1999 Buick Riviera Engine Blocks
Keep Your 1999 Buick Riviera in Top Shape with Quality Engine Blocks
Whether you’re repairing or upgrading your Engine Block, using high-quality parts is key to keeping your 1999 Buick Riviera looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Oil Caps and Engine Assembly Lube. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Competitive Prices and Extensive Inventory
The average price for a 1999 Buick Riviera Engine Block at Advance Auto Parts is around $10.74, with a range that starts at $10.49 and goes up to $10.99. With 2 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Engine Assembly Lubricant start at just $10.49 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Engine Block, 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 1999 Buick Riviera in peak condition, inside and out.
Find Your Specific 1999 Buick Riviera Engine Blocks
Looking for the perfect Engine Block for your 1999 Buick Riviera? You’re in the right place. Below, you’ll find links to various types of Engine Blocks that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Blocks, ensuring durability and a precise fit for your Buick Riviera. Whether you’re driving a 1999 model or another popular model year like
1989,
1990,
1991,
1992,
1993,
1995,
1996,
1997, and
1998, we’ve got you covered. Purchasing Engine Blocks 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 Blocks that fit your vehicle.
Essential 1999 Buick Riviera Engine Blocks
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.
Product Features:
See More
Product Features:
- Provides proper seal to ensure leak prevention
- Stops engine blow by
- High quality construction
- Meets all OEM specifications
Carquest Premium – Oil Filler Cap (Part No.10109)
from
$13.49
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.
Product Features:
See More
Product Features:
- Provides proper seal to ensure leak prevention
- Stops engine blow by
- High quality construction
- Meets all OEM specifications
Carquest Premium – Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10066)
from
$6.99
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.
Product Features:
See More
Product Features:
- Provides proper seal to ensure leak prevention
- Stops engine blow by
- High quality construction
- Meets all OEM specifications
Carquest Premium – Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10099)
from
$10.99
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.
Product Features:
See More
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.
Product Features:
See More
Product Features:
- 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
Popular 1999 Buick Riviera Engine Blocks Categories
Most Popular Oil Cap for 1999 Buick Rivieras
Enhance your 1999 Buick Riviera with this popular Oil Cap we have in stock, for $10.99.
Carquest Premium – Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10099)
from
$10.99
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.
Product Features:
See More
Product Features:
- Provides proper seal to ensure leak prevention
- Stops engine blow by
- High quality construction
- Meets all OEM specifications
Best-Selling 1999 Buick Riviera Engine Assembly Lube
Upgrade your Riviera with our best-selling Engine Assembly Lube.
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.
Product Features:
See More
Product Features:
- 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
FAQs for 1999 Buick Riviera Engine Blocks
What are the best-selling Engine Blocks for 1999 Buick Rivieras?
Out of 2 Engine Blocks that fit 1999 Buick Rivieras, the following parts are the top sellers:
- Engine Assembly Lubricant (20686470) – $10.49
What’s the price range for 1999 Buick Riviera Engine Blocks?
The prices of Engine Blocks for the 1999 Buick Riviera range from $10.49 up to $10.99 for the most premium parts.
What is the average price of an Engine Block for a 1999 Buick Riviera?
The average price for Engine Blocks for the 1999 Buick Riviera is $10.74. Keep in mind the variety of part types within our Engine Block 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 Blocks for other Buick Riviera model years?
What are the cheapest Engine Blocks for my 1999 Buick Riviera?
The cheapest 1999 Buick Riviera Engine Blocks we carry are:
- Engine Assembly Lubricant (20686470) – $10.49
- Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (18481430) – $10.99
Does Advance Auto Parts sell Engine Blocks for any other 1999 Buick models?
Yes. We stock Engine Blocks for 3 other popular 1999 Buick models. Some of the most popular are 1999 Regal Engine Blocks, 1999 Century Engine Blocks, 1999 LeSabre Engine Blocks, and 1999 Park Avenue Engine Blocks.
What are the top-rated Engine Blocks that fit the 1999 Buick Riviera?
The one 1999 Buick Riviera Engine Block we have in stock is the Engine Assembly Lubricant. It costs $10.49.
What types of Engine Blocks do you sell for my 1999 Buick Riviera?
As of 11/2/25, these are some of the most in-demand types of Engine Blocks for a 1999 Buick Riviera:
Can I get help with 1999 Buick Riviera Engine Block orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Buick Engine Blocks and more.
What is your return policy for Buick Riviera Engine Blocks?
Advance Auto Parts keeps returns simple. For new Buick Riviera Engine Blocks and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.