2021 Acura RDX Engine Blocks
Keep Your 2021 Acura RDX 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 2021 Acura RDX 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 2021 Acura RDX Engine Block at Advance Auto Parts is around $63.49, with a range that starts at $12.99 and goes up to $113.99. With 2 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Engine Oil Filler Cap and Stock Replacement Engine Assembly Lubricant start at just $12.99 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 2021 Acura RDX in peak condition, inside and out.
Find Your Specific 2021 Acura RDX Engine Blocks
Looking for the perfect Engine Block for your 2021 Acura RDX? 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 Acura RDX. Whether you’re driving a 2021 model or another popular model year like
2011,
2012,
2013,
2014,
2015,
2016,
2017,
2018, and
2019, 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 2021 Acura RDX Engine Blocks
Carquest Premium – Engine Oil Filler Cap (Part No.MO159)
from
$12.99
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:
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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: Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10134)
from
$16.99
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
Dorman – Help – Engine Oil Fill Cap (Part No.80985)
from
$20.99
This engine oil filter cap is designed to match the fit and function of the original cap on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
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Product Features:
- Direct replacement – this engine oil filter cap is designed to match the fit and function of the original cap on specified vehicles
- Restores functionality – reliable replacement for an original part that is missing or cracked due to heat and 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 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:
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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
Melling – Stock Replacement Engine Assembly Lubricant (Part No.M-10012G)
from
$113.99
Product Features:
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- Superior Wear Protection – Formulated with extreme pressure additives to protect engine components from metal-to-metal contact during initial startup
- High Tackiness – Stays in place during assembly and storage, ensuring consistent lubrication exactly where it’s needed
- Broad Compatibility – Safe for use with all engine components including camshafts, lifters, bearings, and valve train parts
- Easy Startup Support – Reduces friction and prevents dry starts by providing instant lubrication during first engine fire-up
Popular 2021 Acura RDX Engine Blocks Categories
Most Popular Oil Cap for 2021 Acura RDXes
Enhance your 2021 Acura RDX with this popular Oil Cap we have in stock, for $12.99.
Carquest Premium – Engine Oil Filler Cap (Part No.MO159)
from
$12.99
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 2021 Acura RDX Engine Assembly Lube
Upgrade your RDX with our best-selling Engine Assembly Lube.
Melling – Stock Replacement Engine Assembly Lubricant (Part No.M-10012G)
from
$113.99
Product Features:
See More
- Superior Wear Protection – Formulated with extreme pressure additives to protect engine components from metal-to-metal contact during initial startup
- High Tackiness – Stays in place during assembly and storage, ensuring consistent lubrication exactly where it’s needed
- Broad Compatibility – Safe for use with all engine components including camshafts, lifters, bearings, and valve train parts
- Easy Startup Support – Reduces friction and prevents dry starts by providing instant lubrication during first engine fire-up
FAQs for 2021 Acura RDX Engine Blocks
What are the best-selling Engine Blocks for 2021 Acura RDXes?
Out of 2 Engine Blocks that fit 2021 Acura RDXes, the following parts are the top sellers:
- Engine Oil Filler Cap (50172051) – $12.99
- Stock Replacement Engine Assembly Lubricant (50175377) – $113.99
What’s the price range for 2021 Acura RDX Engine Blocks?
The prices of Engine Blocks for the 2021 Acura RDX range from $12.99 up to $113.99 for the most premium parts.
What is the average price of an Engine Block for a 2021 Acura RDX?
The average price for Engine Blocks for the 2021 Acura RDX is $63.49. 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 Acura RDX model years?
What are the cheapest Engine Blocks for my 2021 Acura RDX?
The cheapest 2021 Acura RDX Engine Blocks we carry are:
- Engine Oil Filler Cap (50172051) – $12.99
- Stock Replacement Engine Assembly Lubricant (50175377) – $113.99
Does Advance Auto Parts sell Engine Blocks for any other 2021 Acura models?
Yes. We stock Engine Blocks for 2 other popular 2021 Acura models. Some of the most popular are 2021 TLX Engine Blocks, 2021 NSX Engine Blocks, and 2021 ILX Engine Blocks.
What types of Engine Blocks do you sell for my 2021 Acura RDX?
As of 11/2/25, these are some of the most in-demand types of Engine Blocks for a 2021 Acura RDX:
Can I get help with 2021 Acura RDX Engine Block orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Acura Engine Blocks and more.
What is your return policy for Acura RDX Engine Blocks?
Advance Auto Parts keeps returns simple. For new Acura RDX Engine Blocks and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.