2005 Pontiac Bonneville Engine Blocks

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Keep Your 2005 Pontiac Bonneville 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 2005 Pontiac Bonneville looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Engine Assembly Lube and Oil Caps. 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 2005 Pontiac Bonneville Engine Block at Advance Auto Parts is around $28.28, with a range that starts at $11.99 and goes up to $113.99. With 3 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Engine Oil Filler Cap and Stock Replacement Engine Assembly Lubricant start at just $15.99 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 2005 Pontiac Bonneville in peak condition, inside and out.

Essential 2005 Pontiac Bonneville Engine Blocks

Carquest Premium – Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10066)

Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack

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:
  • Provides proper seal to ensure leak prevention
  • Stops engine blow by
  • High quality construction
  • Meets all OEM specifications
See More

Carquest Premium – Oil Filler Cap (Part No.10109)

Oil Filler Cap

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:
  • Provides proper seal to ensure leak prevention
  • Stops engine blow by
  • High quality construction
  • Meets all OEM specifications
See More

Dorman – Help – Engine Oil Filler Cap (Part No.42315)

Engine Oil Filler Cap

from

$15.99
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:
  • 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
See More

Carquest Premium – Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10099)

Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack

from

$11.99
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:
  • Provides proper seal to ensure leak prevention
  • Stops engine blow by
  • High quality construction
  • Meets all OEM specifications
See More

Melling – Stock Replacement Engine Assembly Lubricant (Part No.M-10012G)

Stock Replacement Engine Assembly Lubricant

from

$113.99
Made In USA. Melling engine assembly lube, MELL-LUBE, is formulated to be an initial lubricant on camshaft metal surfaces as well as related valve train parts. The added zinc material (1400 ppm) provides MELL-LUBE with added protection to prevent scoring and galling during initial engine start-up for both newly rebuilt and / or remanufactured engines. In addition, MELL-LUBE contains corrosion inhibitors to prevent rust and pitting of components. MELL-LUBE mixes with any engine oil and will not clog filters. Melling recommends MELL-LUBE be a part of every camshaft install.

Product Features:
  • 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
See More

Most Popular Engine Assembly Lube for 2005 Pontiac Bonnevilles

Enhance your 2005 Pontiac Bonneville with this popular Engine Assembly Lube we have in stock, for $113.99.

Melling – Stock Replacement Engine Assembly Lubricant (Part No.M-10012G)

Stock Replacement Engine Assembly Lubricant

from

$113.99
Made In USA. Melling engine assembly lube, MELL-LUBE, is formulated to be an initial lubricant on camshaft metal surfaces as well as related valve train parts. The added zinc material (1400 ppm) provides MELL-LUBE with added protection to prevent scoring and galling during initial engine start-up for both newly rebuilt and / or remanufactured engines. In addition, MELL-LUBE contains corrosion inhibitors to prevent rust and pitting of components. MELL-LUBE mixes with any engine oil and will not clog filters. Melling recommends MELL-LUBE be a part of every camshaft install.

Product Features:
  • 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
See More

Best-Selling 2005 Pontiac Bonneville Oil Caps

Upgrade your Bonneville with one of our 2 best-selling Oil Caps, earning an average 3 stars rating across 22 reviews.

Carquest Premium – Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10099)

Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack

from

$11.99
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:
  • Provides proper seal to ensure leak prevention
  • Stops engine blow by
  • High quality construction
  • Meets all OEM specifications
See More

Dorman – Help – Engine Oil Filler Cap (Part No.42315)

Engine Oil Filler Cap

from

$15.99
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:
  • 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
See More

FAQs for 2005 Pontiac Bonneville Engine Blocks

What are the best-selling Engine Blocks for 2005 Pontiac Bonnevilles?

Out of 3 Engine Blocks that fit 2005 Pontiac Bonnevilles, the following parts are the top sellers:

What’s the price range for 2005 Pontiac Bonneville Engine Blocks?

The prices of Engine Blocks for the 2005 Pontiac Bonneville range from $11.99 up to $113.99 for the most premium parts.

What is the average price of an Engine Block for a 2005 Pontiac Bonneville?

The average price for Engine Blocks for the 2005 Pontiac Bonneville is $28.28. 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 Pontiac Bonneville model years?

Yes, we carry Engine Blocks for 46 model years of Pontiac Bonnevilles between 1958 and 2004. The following model years are the most popular for Engine Block purchases: 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, and 1996.

What are the cheapest Engine Blocks for my 2005 Pontiac Bonneville?

The cheapest 2005 Pontiac Bonneville Engine Blocks we carry are:

Does Advance Auto Parts sell Engine Blocks for any other 2005 Pontiac models?

Yes. We stock Engine Blocks for 7 other popular 2005 Pontiac models. Some of the most popular are 2005 Grand Prix Engine Blocks, 2005 Grand Am Engine Blocks, 2005 Vibe Engine Blocks, 2005 Montana Engine Blocks, and 2005 GTO Engine Blocks.

What are the top-rated Engine Blocks that fit the 2005 Pontiac Bonneville?

The one 2005 Pontiac Bonneville Engine Block we have in stock is the Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack. It is rated 3 stars and costs $11.99.

What types of Engine Blocks do you sell for my 2005 Pontiac Bonneville?

As of 6/2/26, these are some of the most in-demand types of Engine Blocks for a 2005 Pontiac Bonneville:

Can I get help with 2005 Pontiac Bonneville Engine Block orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Pontiac Engine Blocks and more.

What is your return policy for Pontiac Bonneville Engine Blocks?

Advance Auto Parts keeps returns simple. For new Pontiac Bonneville Engine Blocks and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.