1. Boat Outboard Engines To Buy
  2. sku: 20087009203304604
  3. OMC 321690

OMC 321690 Thermostat Cover Housing

fits make: Johnson, Evinrude, Omc.

321690 Omc Johnson Evinrude Thermostat Cover Housing New Oem Now

( Brand: Omc ), ( Manufacturer Part Number: 321690 ), ( Part Type: Cover Thermostat Housing ), ( Country Of Origin: United States )

Review OMC Johnson Evinrude Thermostat Cover Housing New Oem Now

OMC 321690 Johnson Evinrude Thermostat Cover Housing

The OMC 321690 Johnson Evinrude Thermostat Cover Housing is a crucial component of your marine engine's cooling system, designed specifically for Johnson Evinrude outboard motors. This housing unit houses the thermostat, a vital element that regulates the temperature of the engine's cooling system, ensuring optimal performance and longevity.

Manufactured by OMC (Outboard Marine Corporation), a renowned name in marine engine components, this thermostat cover housing is engineered to meet the highest standards of quality and durability. It is precision-machined from high-quality materials, ensuring a perfect fit and long-lasting performance.

The housing is designed to withstand the harsh conditions of marine environments, resisting corrosion and wear effectively. Its robust construction ensures that it can withstand the rigors of regular use, even in the most challenging conditions.

The OMC 321690 Johnson Evinrude Thermostat Cover Housing is easy to install, requiring minimal tools and technical expertise. Its straightforward design, coupled with clear installation instructions, makes it an ideal replacement for worn-out or damaged parts.

By replacing a damaged or worn-out thermostat cover housing with this genuine OMC part, you can restore the efficiency of your marine engine's cooling system, ensuring smooth and reliable operation. This component is a vital investment for boat owners who value their marine engines' performance and longevity.

In summary, the OMC 321690 Johnson Evinrude Thermostat Cover Housing is a high-quality, reliable, and easy-to-install part designed to maintain the optimal temperature of your marine engine's cooling system. It is an essential component for any Johnson Evinrude outboard motor owner who wants to ensure their engine performs at its best.

Pros of buying OMC 321690 Johnson Evinrude Thermostat Cover Housing:

1. Part compatibility: This part is designed to fit OMC/Johnson/Evinrude engines, ensuring a proper fit and function.

2. OEM (original equipment manufacturer) part: This thermostat cover housing is made by the same company that manufactures the engines, guaranteeing quality and fit.

3. Durable construction: The thermostat cover housing is likely built to withstand harsh marine conditions, providing long-lasting performance.

4. Easy installation: Since it is a replacement part, installation should be straightforward and simple, saving time and effort.

Cons of buying OMC 321690 Johnson Evinrude Thermostat Cover Housing:

1. Cost: OEM parts can be more expensive compared to aftermarket alternatives.

2. Limited availability: Due to its specific application, this part may not be as readily available as more common aftermarket options.

3. No upgrade potential: Since it is a replacement part, it does not offer any performance enhancements or upgrades over the original part.

Conclusion: The OMC 321690 Johnson Evinrude Thermostat Cover Housing is a high-quality, OEM part that ensures proper fit and performance for your engine. However, the cost and limited availability may deter some buyers. If you prioritize a perfect fit and trust the OEM brand, this part is a solid choice. If you are looking for a more affordable option, you may want to explore aftermarket alternatives.

Details:

Ideal for boat owners looking to maintain or repair their outboard engines, this product offers a convenient and essential component optimal performance on the water. It is designed to fit specific outboard engines and components, providing a secure reliable housing for the thermostat. The OMC Johnson Evinrude 321690 Thermostat Cover Housing is a new OEM product made in the USA. With the trusted OMC brand behind it, this thermostat cover housing ensures quality and compatibility with specified model's.

part #: 321690 prices

  • $59.89-$99.95

specifications ouboaen:

  • for makes: Johnson, Evinrude, Omc
  • brand: Omc
  • mpn: 321690
  • part type: Cover Thermostat Housing
  • country of origin: United States

returns ouboaen:

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

shipping ouboaen:

  • service: UPS Ground
  • transit: 3-7 Days
  • type: Calculated
  • cost: $8.96
  • carrier: UPS
  • class: Standard

seller ouboaen:

  • rating: 99.8%
  • # reviews: 669
  • city: Cable, Ohio

payments ouboaen:

  • wallet: Google-pay
  • credit card: Diners-club
  • other

offer ouboaen:

  • options: Ship-to-home
  • quantity: 2
  • sold: 0
  • started: November 20, 2025
  • best offers: True
  • availability: In Stock

general ouboaen:

  • condition: New
  • Boat Parts > Outboard Engines Components > Other
for makes: johnson, evinrude, omc, part type: cover thermostat housing, country of origin: united states,
category: boat parts > outboard engines components, sku: 20087009203304604,
Omc 321690 Is Similar To:
ouboaen logo
5 offers $59.89–$99.95 USD
  • New other (see details). Offer #1 priced at $72.00 + $9.69 shipping estimate = $81.69* total. OEM OMC JOHNSON/EVINRUDE THERMOSTAT COVER (NOS).+$9.69 shipping
  • New other (see details). Offer #2 priced at $99.95 + $0.00 shipping estimate = $99.95* total. FREE SHIPPING
  • New. Offer #3 priced at $59.89 + $0.00 shipping estimate = $59.89* total. Fits dozens of the OMC Johnson Evinrude 65 to 140HP Outboard Motors from 1978 to 1998 and may fit others. Cover housing 0 .FREE SHIPPING
  • New other (see details). Offer #4 priced at $70.00 + $11.35 shipping estimate = $81.35* total. OMC THERMOSTAT COVER 1978-1998 OMC/JOHNSON/EVINRUDE/80-140HR NEW GENUINE OEM part.+$11.35 shipping
  • Used. Offer #5 priced at $29.00 + $10.00 shipping estimate = $39.00* total. PARTS ARE IN GOOD WORKING CONDITION.+$10.00 shipping

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