HomeGates CO34745 Engine Coolant Water Outlet
Part #: CO34745

Gates CO34745 Engine Coolant Water Outlet

Coolant Outlet
32 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Coolant Outlet
Fitment: Chevrolet, Pontiac, Oldsmobile, and Buick, Cavalier, Sunfire, Alero, Grand Am, Malibu, Skylark, and Achieva
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Overview of Gates Coolant Outlet CO34745

The Gates Coolant Outlet CO34745 is designed to provide reliable engine coolant flow for select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Engineered with durable plastic material, this coolant outlet ensures proper coolant circulation and helps maintain optimal engine temperature.

  • Constructed from durable plastic for corrosion resistance
  • Includes one seal for secure installation
  • Two bolt holes for stable mounting
  • Multiple outlet diameters: 0.534", 0.545", and 1.048" outside diameters
  • Compatible with Buick Achieva, Chevrolet Cavalier, Malibu, Oldsmobile Skylark, Pontiac Grand Am, and Sunfire models

Detailed Product Description

The Gates Coolant Outlet CO34745 is part of the Coolant Outlet product line, which focuses on delivering precise fit and reliable performance for engine cooling systems. This engine coolant water outlet is made from high-quality plastic, providing resistance to corrosion and heat. It features two bolt holes for secure attachment and comes with one seal to ensure a tight, leak-free connection. The outlet has multiple outside diameters (.534", .545", and 1.048") and inside diameters (.745" and 1.3"), accommodating specific hose and system requirements. This part is not an exact OE replacement but is engineered to meet or exceed performance standards for the listed vehicle applications.

Compatible Vehicles and Applications

This coolant outlet is compatible with a range of GM vehicles, including:

  • Buick Achieva
  • Chevrolet Cavalier and Malibu
  • Oldsmobile Skylark
  • Pontiac Grand Am and Sunfire

It is designed to replace the engine coolant water outlet in these models, ensuring proper coolant flow and engine temperature regulation.

Common Issues Addressed by This Coolant Outlet

  • Leaking or cracked coolant outlet housing
  • Overheating due to coolant flow restriction
  • Corrosion damage in the original plastic outlet
  • Loose or damaged mounting points causing coolant leaks
  • Failed seals leading to coolant loss

Installation Notes and Tips

  • Ensure the engine is cool before beginning installation
  • Remove old coolant outlet and clean mounting surface thoroughly
  • Use the included seal to prevent leaks; no additional gaskets are required
  • Tighten bolts evenly to the manufacturer’s torque specifications
  • Check coolant levels and system pressure after installation

Quality Assurance and Warranty

The Gates Coolant Outlet CO34745 is manufactured to meet industry standards for durability and fitment. While this part is not an exact OE replacement, it is engineered to provide reliable service in compatible Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Gates products typically come with a limited warranty against defects in material and workmanship; please refer to Gates’ official warranty policy for specific terms.

BrandGates
Part NumberCO34745
PositionCoolant Outlet
1
No
Bolt Hole Quantity2
By-Pass HolesNo
ContentsCoolant Outlet, Seal
Gasket Quantity0
MaterialPlastic
Number of Bolt Holes2
Number of Gaskets0
Number of Seals1
OE ExactNo
Outlet Inside Diameter.745
Outlet Inside Diameter1.3
Outlet Inside Diameter 1 (in)1.3
Outlet Inside Diameter 2 (in).745
Outlet Outside Diameter.534
Outlet Outside Diameter.545
Outlet Outside Diameter1.048
Outlet Outside Diameter 1 (in)1.048
Outlet Outside Diameter 2 (in).534
Outlet Outside Diameter 3 (in).545
TypeCoolant Outlet
TypeCoolant Outlet

This part fits 32 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2002ChevroletCavalier2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
2002PontiacSunfire2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
2001ChevroletCavalier2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
2001OldsmobileAlero2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
2001PontiacGrand Am2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
2001PontiacSunfire2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
2000ChevroletCavalier2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
2000OldsmobileAlero2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
2000PontiacGrand Am2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
2000PontiacSunfire2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
1999ChevroletCavalier2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
1999ChevroletMalibu2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
1999OldsmobileAlero2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
1999PontiacGrand Am2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
1999PontiacSunfire2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
1998BuickSkylark2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
1998ChevroletCavalier2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
1998ChevroletMalibu2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
1998OldsmobileAchieva2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
1998PontiacGrand Am2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
1998PontiacSunfire2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
1997BuickSkylark2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
1997ChevroletCavalier2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
1997ChevroletMalibu2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
1997OldsmobileAchieva2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
1997PontiacGrand Am2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
1997PontiacSunfire2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
1996BuickSkylark2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
1996ChevroletCavalier2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
1996OldsmobileAchieva2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
1996PontiacGrand Am2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet
1996PontiacSunfire2.4LL4GASN/AEngine Coolant Hose Flange comes with seal included; Coolant Outlet

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

15-1709245752592457713281516485164902-105CH5164

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.