Four Seasons
Water Outlet

Four Seasons 84891 Engine Coolant Water Outlet

Brand Four Seasons 84891
Material Aluminum
Maximum Height 2.920
Gasket Or Seal Included Included
Bolt Hole Center To Bolt Hole Center 2.750
Description Engine coolant components
Inlet Dia. IN 1.194
Meets / Exceeds OEM? Yes
Mnt Flange Width IN 0.389
Style W/o thermostat
Symetrical Base? Yes
Thermostat Included? Not included
Type Outlet
Product line Water Outlet
Fits Buick, Chevrolet, Oldsmobile, and Pontiac · 11 vehicles

OE direct replacement. Meets or exceeds OEM requirements for dependable cooling system service.

Aluminum construction. Offers a durable, corrosion-resistant coolant outlet design.

Gasket included. Helps simplify installation with a seal ready to go.

Cross-references ACI 84891, Anchor 9582 and 277661 for the same application. See all 14.

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Four Seasons Water Outlet 84891

The Four Seasons 84891 engine coolant water outlet is an aluminum replacement part for cooling system service on select 1979 GM applications. It is built as an outlet-style housing without a thermostat and includes the gasket or seal for a cleaner repair on the water outlet connection.

Four Seasons Water Outlet line parts are focused on engine coolant components that match OE-style fitment and dimensions. This 84891 water outlet meets or exceeds OEM requirements and is shaped with a symmetrical base for straightforward alignment during replacement.

Key Features

  • Aluminum construction for cooling system durability
  • Outlet-style design without thermostat
  • Gasket or seal included
  • Meets or exceeds OEM requirements
  • Inlet diameter: 1.194 in.
  • Bolt hole center to bolt hole center: 2.750 in.
  • Maximum height: 2.920 in.
  • Mount flange width: 0.389 in.

Detailed Description

Four Seasons 84891 is an engine coolant water outlet designed for vehicles that use a separate thermostat housing arrangement. The aluminum body supports cooling system service where the original outlet has corroded, warped, or developed sealing issues. This part cross-references Anchor 9582 for the same application. Fits 1979 Chevrolet El Camino, N/A; Fits 1979 Chevrolet Malibu, N/A; Fits 1979 Chevrolet Monte Carlo, N/A; Fits 1979 Pontiac Grand Prix, N/A. It also fits additional 1979 Buick, Oldsmobile, and Pontiac applications listed for this part number, including California emissions vehicles where noted.

What It Is Used For

  • Replacing a leaking or cracked engine coolant water outlet
  • Restoring a proper seal at the coolant outlet connection
  • Addressing corrosion in an aluminum cooling system housing
  • Repairing coolant seepage around the thermostat housing area when the thermostat is separate
  • Servicing select 1979 GM vehicles with California emissions notes

Installation Notes and Tips

Confirm inlet diameter, bolt spacing, and mounting flange dimensions before installation. Clean the mating surfaces thoroughly and inspect the gasket surface for pitting or debris before fitting the included seal. This part is specified as an outlet without thermostat, so reuse or replace the thermostat separately if your application requires one.

Quality Assurance

Four Seasons 84891 is listed as meeting or exceeding OEM requirements for the specified application. The part number 84891 is also used in interchange references across related aftermarket listings, supporting identification during cooling system repair.

This part fits 11 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersPositionNotes
1979BuickCenturySedan3.8LV6N/ACompatible with various car and truck makes/models.; Water Outlet
1979BuickCenturyCoupe3.8LV6N/ACompatible with various car and truck makes/models.; Water Outlet
1979ChevroletEl Camino—3.8LV6N/AEngine Coolant Water Outlet for California Emissions vehicles.; Water Outlet
1979ChevroletMalibu—3.8LV6N/AEngine Coolant Water Outlet for California Emissions vehicles.; Water Outlet
1979ChevroletMonte Carlo—3.8LV6N/AEngine Coolant Water Outlet for California Emissions vehicles.; Water Outlet
1979OldsmobileCutlass Calais—3.8LV6N/AEngine Coolant Water Outlet for California Emissions vehicles.; Water Outlet
1979OldsmobileCutlass Salon—3.8LV6N/ACompatible with various car and truck makes/models.; Water Outlet
1979OldsmobileCutlass Supreme—3.8LV6N/ACompatible with various car and truck makes/models.; Water Outlet
1979PontiacGrand LeMans—3.8LV6N/ACompatible with various car and truck makes/models.; Water Outlet
1979PontiacGrand Prix—3.8LV6N/AEngine Coolant Water Outlet for California Emissions vehicles.; Water Outlet
1979PontiacLeMans—3.8LV6N/AEngine Coolant Water Outlet for California Emissions vehicles.; Water Outlet
Directly replaces or cross-references 14 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACI — 84891Anchor — 958227766170220181489112590446051423902207011184891AO2090CH3070CWK814891W2090W77661