Four Seasons
Water Outlet

Four Seasons 86303 Engine Coolant Water Outlet

Brand Four Seasons 86303
Bolt Hole Center To Bolt Hole Center 3.1
Description Engine Coolant Components
Gasket Or Seal Included Not Included
Inlet Dia. IN 1.19
Material Plastic
Maximum Height 4.63
Meets / Exceeds OEM? Yes
Mnt Flange Width IN 0.64
Style w/o Thermostat
Thermostat Included? Included
Type Outlet
Product line Water Outlet
Fits Buick, Chevrolet, and GMC · 44 vehicles

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

Plastic construction. Lightweight outlet built for engine coolant components.

Thermostat included. Ready for a complete cooling system service.

Cross-references Focus Auto Parts 86303, PRT 817133 and 1511087 for the same application. See all 8.

$62.22Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $62.22
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Engine Coolant Water Outlet for GM Applications

Four Seasons Water Outlet 86303 is an engine coolant water outlet built for direct replacement in select Chevrolet, Buick, and GMC applications. It is a plastic outlet with OE-level dimensions and a thermostat included, making it a practical choice for cooling system service on vehicles such as the Chevrolet Malibu, Buick Envision, and GMC Acadia.

Key Features

  • Brand: Four Seasons Water Outlet
  • Part number: 86303
  • Engine coolant water outlet, type: outlet
  • Plastic construction
  • Thermostat included
  • Gasket or seal not included
  • Meets or exceeds OEM requirements
  • Inlet diameter: 1.19 in
  • Bolt hole center to bolt hole center: 3.1 in
  • Maximum height: 4.63 in
  • Mounting flange width: 0.64 in

Product Details

Four Seasons 86303 is part of the Water Outlet line and is engineered as an OE-style engine coolant component for cooling system repair. The outlet is designed with the listed dimensions to match the original housing layout, and the included thermostat supports proper coolant flow control once installed. This part cross-references Focus Auto Parts 86303 for the same application.

Use this water outlet when servicing cooling system leaks, cracked plastic housings, thermostat-related cooling concerns, or damaged outlet connections on vehicles including the Chevrolet Malibu, Buick Regal, and GMC Terrain. Fitment includes 2022 Chevrolet Malibu; 2016-2020 Buick Envision; 2018-2020 Buick Regal Sportback; 2018-2020 Buick Regal TourX; 2013-2020 Chevrolet Malibu; 2017-2020 GMC Acadia; 2018-2020 GMC Terrain; 2018-2019 Buick LaCrosse; 2014-2019 Chevrolet Impala; 2018-2019 Chevrolet Traverse; 2014-2017 Buick Regal; and 2016 Chevrolet Malibu Limited.

What This Part Helps Address

  • Coolant leaks from a cracked or warped outlet housing
  • Thermostat service on the cooling system
  • Damaged inlet or mounting surfaces at the outlet connection
  • Overheating concerns caused by a failing coolant outlet assembly
  • Cooling system maintenance on GM vehicles with the listed fitments

Installation Notes and Tips

Verify the inlet diameter, bolt-hole spacing, and mounting flange width against the original part before installation. Because the gasket or seal is not included, transfer or replace the sealing components as required during service. Clean all mating surfaces thoroughly and inspect adjacent hoses and clamps for wear before reassembly.

Quality Assurance

Four Seasons 86303 meets or exceeds OEM requirements and is built to the dimensional specifications listed for the application.

This part fits 44 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeLitersCylindersPositionNotes
2022ChevroletMalibu2.0LL4N/AOutlet; Water Outlet
2020BuickEnvisionN/ACompatible with various car and truck makes/models.; Water Outlet
2020BuickRegal Sportback2.0LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2020BuickRegal TourXN/AOutlet; Water Outlet
2020ChevroletMalibu2.0LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2020GMCAcadia2.5LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2020GMCTerrain2.0LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2019BuickEnvisionN/ACompatible with various car and truck makes/models.; Water Outlet
2019BuickLaCrosse2.5LL4N/AOutlet; Water Outlet
2019BuickRegal Sportback2.0LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2019BuickRegal TourXN/AOutlet; Water Outlet
2019ChevroletImpala2.5LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2019ChevroletMalibu2.0LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2019ChevroletTraverse2.0LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2019GMCAcadia2.5LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2019GMCTerrain2.0LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2018BuickEnvisionN/ACompatible with various car and truck makes/models.; Water Outlet
2018BuickLaCrosse2.5LL4N/AOutlet; Water Outlet
2018BuickRegal Sportback2.0LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2018BuickRegal TourXN/AOutlet; Water Outlet
2018ChevroletImpala2.5LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2018ChevroletMalibu2.0LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2018ChevroletTraverse2.0LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2018GMCAcadia2.5LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2018GMCTerrain2.0LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2017BuickEnvisionN/ACompatible with various car and truck makes/models.; Water Outlet
2017BuickRegalBaseSedan2.0LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2017ChevroletImpala2.5LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2017ChevroletMalibu2.0LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2017GMCAcadia2.5LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2016BuickEnvisionN/ACompatible with various car and truck makes/models.; Water Outlet
2016BuickRegalBaseSedan2.0LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2016ChevroletImpala2.5LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2016ChevroletMalibu2.0LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2016ChevroletMalibu LimitedN/AOutlet; Water Outlet
2015BuickRegalBaseSedan2.0LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2015ChevroletImpala2.5LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2015ChevroletMalibuN/ACompatible with various car and truck makes/models.; Water Outlet
2014BuickRegalBaseSedan2.0LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2014ChevroletImpala2.5LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2014ChevroletMalibu2.0LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2014ChevroletMalibu2.5LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2013ChevroletMalibu2.0LL4N/ACompatible with various car and truck makes/models.; Water Outlet
2013ChevroletMalibu2.5LL4N/ACompatible with various car and truck makes/models.; Water Outlet
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Focus Auto Parts — 86303PRT — 81713315110879022087126535371265644625201457W98833