1. Thermostats & Parts For Sale
  2. sku: 10286149578358611
  3. GM 1628921

GM 1628921 Thermostat Housing Adapter 4.1 V8

fits make: Cadillac. year: 1982–1985.

1628058 Gm 1628921 1982 1983 1984 1985 Cadillac 4.1 V8 Thermostat Housing Adapter

( Brand: Gm ), ( Manufacturer Part Number: 1628921 ), ( Part Type: Thermostat Housing Adapter ), ( Manufacturer Warranty: No Warranty )

Review GM Cadillac 4.1 V8 Thermostat Housing Adapter fits 1982–1985

Introducing the GM 1628921 Thermostat Housing Adapter, a crucial component designed specifically for Cadillac vehicles manufactured between the years 1982 and 1985 with a 4.1 V8 engine. This adapter is an essential upgrade for those seeking to enhance their engine cooling system or replacing a worn-out part.

Measuring approximately 10.5 inches long and 6 inches wide, this durable thermostat housing adapter is meticulously crafted to provide a precise fit for the specified engine models. Its design enables seamless integration with the existing cooling system, ensuring optimal engine performance and longevity.

Constructed from high-quality materials, this thermostat housing adapter boasts excellent heat resistance and resistance to corrosion. Its robust build guarantees enhanced durability and reliability, reducing the likelihood of replacement for an extended period.

The GM 1628921 Thermostat Housing Adapter features a sleek, streamlined design that not only enhances the aesthetic appeal of the engine compartment but also ensures efficient cooling. Its thoughtful engineering allows for the installation of a new thermostat without the need for extensive modifications or additional components.

Additionally, this adapter is compatible with most standard thermostats, providing flexibility for users to choose the best option for their specific needs. Its universal fitment to the specified Cadillac models makes it an excellent choice for both DIY enthusiasts and professional mechanics.

In summary, the GM 1628921 Thermostat Housing Adapter is an indispensable upgrade for Cadillac owners with a 4.1 V8 engine from the years 1982 to 1985. Its durable construction, efficient design, and universal compatibility make it an essential component for maintaining the optimal performance and longevity of your vehicle's cooling system.

Buying a GM 1628921 thermostat housing adapter for a 1982, 1983, 1984, or 1985 Cadillac V8 engine can be a viable solution for those experiencing issues with their thermostat housing. Here are some potential pros and cons to consider:

Pros:

1. OEM (Original Equipment Manufacturer) part: This thermostat housing adapter is a factory-original part produced by General Motors, ensuring a precise fit and reliable performance.

2. Eliminates cooling system leaks: A worn or damaged thermostat housing can cause coolant leaks, which may lead to overheating and engine damage. Replacing the housing with a new one can prevent these issues.

3. Improves engine performance: Proper engine cooling is crucial for optimal performance. A faulty thermostat housing can lead to poor fuel efficiency and power output. Replacing it with a new one can help improve these aspects.

4. Peace of mind: Using an OEM part from a reputable manufacturer like GM can provide peace of mind, knowing that the part is designed specifically for your vehicle and is backed by a manufacturer's warranty.

Cons:

1. Cost: OEM parts like this thermostat housing adapter can be more expensive compared to aftermarket alternatives. However, the potential benefits, such as reliability and fitment, may outweigh the cost difference for some buyers.

2. Availability: Depending on the specific year and engine configuration of your Cadillac, availability of the GM 1628921 thermostat housing adapter may be limited. It's essential to double-check availability with your local parts supplier or through GM's official website.

3. Installation: Installing the thermostat housing adapter yourself may require some mechanical skills and tools. If you're not comfortable with the installation process, it might be worth considering having a professional mechanic do it for you.

In conclusion, the GM 1628921 thermostat housing adapter for a 1982, 1983, 1984, or 1985 Cadillac V8 engine can be a valuable investment for those experiencing issues with their cooling system. Its OEM quality, ability to eliminate coolant leaks, and potential impact on engine performance are significant advantages. However, the cost, potential limited availability, and installation requirements are important considerations. Ultimately, the decision to purchase this part depends on your personal preferences, budget, and mechanical abilities. If you prioritize reliability, proper fitment, and peace of mind, an OEM thermostat housing adapter like this one may be the best choice for your Cadillac.

Details:

It will fit the above listed vehicles. Sold as pictured, O-rings are NOT included. It has no significant corrosion or other damage. 1982 - 85 CADILLAC DEVILLE, ELDORADO, FLEETWOOD AND SEVILLE THERMOSTAT HOUSING ADAPTER.

This sale is for the adapter between thermostat housing and engine. Will only fit the 4.1 l V8, NOT V6 engine or 1985 Devilled. Item is in good used condition for its age.

part #: 1628921 price

  • $47.96

specifications theostapa:

  • for makes: Cadillac
  • for years: 1982-1985
  • brand: Gm
  • mpn: 1628921
  • part type: Thermostat Housing Adapter
  • manufacturer warranty: No Warranty

payments theostapa:

  • wallet: Paypal
  • other
  • credit card: Discover

returns theostapa:

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

offer theostapa:

  • started: October 30, 2025
  • availability: In Stock
  • quantity: 1
  • options: Ship-to-home
  • sold: 0

seller theostapa:

  • # reviews: 4185
  • city: Yorktown, Virginia
  • rating: 99.1%

general theostapa:

  • condition: Used
  • Car Truck Parts Accessories > Engine Cooling Components > Thermostats Housings

shipping theostapa:

  • service: USPS First Class
  • class: Standard
  • cost: $0.00
  • transit: 5-11 Days
  • type: Fixed
  • carrier: USPS
for makes: cadillac, for years: 1982-1985, part type: thermostat housing adapter, manufacturer warranty: no warranty,
category: auto parts > car truck parts accessories > engine cooling components > thermostats housings, sku: 10286149578358611,
Gm 1628921 Is Similar To:
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1 offer $47.96 USD
  • New. Offer #1 priced at $47.96 + $10.95 shipping estimate = $58.91* total. This is an original GM, Cadillac thermostat mounting kit, GM part number is 162-8921 this has been discontinued for a while from GM.+$10.95 shipping

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