1. Boat Parts In Otsterndriv Sterndrive Prices For Sale.
  2. sku: 4820494217626632
  3. SIERRA 18-0664

SIERRA 18-0664 Gm Block Valve Cover Gasket 808282237189

18-0664 Sierra Gm Small Block Valve Cover Gasket

( Brand: Sierra ), ( Manufacturer Part Number: 18-0664 ), ( Part Type: Valve Cover Gasket Block ), ( Country Of Origin: United States ), ( UPC: 808282237189 )

Review SIERRA Gm Small Block Valve Cover Gasket

Introducing the Sierra 18-0664 GM Block Valve Cover Gasket, a critical component designed to provide a perfect seal between the engine block and the valve cover in select General Motors vehicles. This gasket is engineered using high-quality materials that ensure a proper fit, excellent sealing performance, and superior durability.

The Sierra 18-0664 GM Block Valve Cover Gasket is a precision-machined part that conforms to the contours of the engine block and valve cover surfaces, creating a leak-free seal. The gasket's material is specifically formulated to withstand the extreme heat and pressure inside the engine compartment, ensuring reliable performance even under the most demanding driving conditions.

This gasket is designed to fit select General Motors vehicles, making it an ideal choice for those seeking a replacement part for their specific make and model. The gasket's dimensions and contours are meticulously engineered to match the original equipment manufacturer (OEM) specifications, ensuring a perfect fit and optimal sealing performance.

The installation process for the Sierra 18-0664 GM Block Valve Cover Gasket is straightforward and can typically be completed in a relatively short amount of time. The gasket is supplied in a kit that includes all necessary hardware, making it a convenient and complete solution for engine repair or maintenance.

In summary, the Sierra 18-0664 GM Block Valve Cover Gasket is a high-quality, reliable, and durable replacement part that ensures a perfect seal between the engine block and valve cover in select General Motors vehicles. Its precision engineering and high-quality materials make it an excellent choice for those seeking a reliable and long-lasting solution for their engine sealing needs.

buying the Sierra 18-0664 GM Block Valve Cover Gasket comes with the following pros and cons: Pros:

1. Designed specifically for GM engines, ensuring a precise fit and proper seal.

2. Helps prevent coolant leaks, which can save money on repairs and maintenance.

3. Made of high-quality materials, such as composite materials, for durability and longevity.

4. Easy to install, typically taking less than an hour to replace.

5. Available at most auto parts stores and online retailers for convenience.

Cons:

1. Can be an expensive replacement part, depending on the retailer and location.

2. May require the removal of the engine's valve cover to access and replace the gasket.

3. Can be a messy process, as coolant may spill during the replacement.

4. May not solve underlying engine issues, such as head gasket leaks, which may also require repair.

In conclusion, the Sierra 18-0664 GM Block Valve Cover Gasket is an essential replacement part for maintaining the sealing integrity of GM engines. While it may come with some inconveniences and costs, the benefits, such as preventing coolant leaks and ensuring a proper seal, make it a worthwhile investment for those in need of a replacement.

Therefore, I would recommend considering the Sierra 18-0664 GM Block Valve Cover Gasket as a reliable solution for addressing coolant leaks and maintaining engine performance. It's important to ensure the installation process is done correctly to avoid any potential complications and to check for any underlying engine issues that may require additional repairs.

Details:

Replaces Volvo Pent 3852687. Sold separately - 2 needed per engine. Replaces Crusader 7231330, RM0193. Marine engines with bolt valve covers.

For GM 5.0L 305 CID and 5.7L 350 marine engines with bolt design.

part #: 180664 prices

  • $13.38-$25.90

specifications otsterndriv:

  • brand: Sierra
  • mpn: 18-0664
  • part type: Valve Cover Gasket Block
  • country of origin: United States
  • upc: 808282237189

payments otsterndriv:

  • other
  • wallet: Apple-pay
  • credit card: Discover

shipping otsterndriv:

  • transit: 3-8 Days
  • type: Fixed
  • class: Standard
  • service: UPS Ground
  • cost: $12.95
  • carrier: UPS

offer otsterndriv:

  • started: February 9, 2026
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home

general otsterndriv:

  • condition: New
  • Boat Parts > Sterndrive Motors Components > Other

returns otsterndriv:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days

seller otsterndriv:

  • # reviews: 38590
  • rating: 100.0%
  • city: White House, Tennessee
part type: valve cover gasket block, country of origin: united states,
category: boat parts > sterndrive components, sku: 4820494217626632,
Sierra 18-0664 Is Similar To:
otsterndriv logo
5 offers $13.38–$25.90 USD
  • New. Offer #1 priced at $13.38 + $8.60 shipping estimate = $21.98* total. OMC 3852687. Sierra Valve Cover Gasket.+$8.60 shipping
  • New. Offer #2 priced at $16.50 + $4.00 shipping estimate = $20.50* total. +$4.00 shipping
  • New. Offer #3 priced at $25.90 + $0.00 shipping estimate = $25.90* total. FREE SHIPPING
  • Used. Offer #4 priced at $45.82 + $10.95 shipping estimate = $56.77* total. Part number . Sierra Valve Cover Gasket.+$10.95 shipping
  • New. Offer #5 priced at $23.83 + $0.00 shipping estimate = $23.83* total. FREE SHIPPING

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