HomeBelts and Cooling > Hoses and PipesGates CO34857 Engine Coolant Hose Flange
Part #: CO34857

Gates CO34857 Engine Coolant Hose Flange

Coolant Outlet
12 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Coolant Outlet
Fitment: Honda, Civic
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Gates Coolant Outlet CO34857 for Honda Civic

The Gates Coolant Outlet CO34857 is a precision-engineered engine coolant hose flange designed specifically for Honda Civic models. Crafted from durable cast aluminum, this coolant outlet ensures reliable performance and a secure fit for your vehicle's cooling system.

  • Constructed from cast aluminum for strength and corrosion resistance
  • Exact OE replacement part for Honda Civic compatibility
  • Features three bolt holes for secure mounting
  • Dual outlet inside diameters of 0.5 and 0.224 inches
  • Dual outlet outside diameters of 0.671 and 0.319 inches
  • Does not include gaskets or seals, designed for use with existing components

Detailed Product Description

The Gates Coolant Outlet CO34857 belongs to the Coolant Outlet product line, which focuses on delivering reliable and precise coolant hose flanges for automotive cooling systems. This part is manufactured from cast aluminum, providing excellent durability and resistance to heat and corrosion. The flange features three bolt holes, ensuring a secure and stable connection to the engine block. It has two outlet sizes with inside diameters measuring 0.5 inches and 0.224 inches, and corresponding outside diameters of 0.671 inches and 0.319 inches, accommodating specific hose connections within the Honda Civic cooling system. This coolant outlet is an exact OE replacement, guaranteeing proper fit and function without modification.

Common Applications and Problem Solving

  • Replacement of worn or cracked coolant hose flange in Honda Civic engines
  • Resolving coolant leaks caused by damaged or corroded outlets
  • Restoring proper coolant flow and preventing overheating issues
  • Addressing mounting instability due to broken or stripped bolt holes
  • Maintaining engine cooling system integrity during routine maintenance

Installation Notes and Tips

  • Ensure the engine is cool before beginning installation to avoid burns
  • Use the existing gasket or replace with a compatible gasket as this part does not include one
  • Tighten the three mounting bolts evenly to the manufacturer’s torque specifications
  • Inspect connected hoses for wear or damage and replace if necessary
  • Verify all connections are secure to prevent coolant leaks after installation

Quality Assurance and Warranty

The Gates Coolant Outlet CO34857 is manufactured to meet or exceed original equipment standards, ensuring reliable performance and durability. As an OE exact replacement part, it supports the integrity of the Honda Civic cooling system. While specific warranty details are not provided, Gates products typically come with a limited warranty against defects in material and workmanship. For detailed warranty information, consult the product documentation or manufacturer resources.

BrandGates
Part NumberCO34857
PositionCoolant Outlet
0
No
Bolt Hole Quantity3
By-Pass HolesNo
ContentsCoolant Outlet
Gasket Quantity0
MaterialCast Aluminum
Number of Bolt Holes3
Number of Gaskets0
Number of Seals0
OE ExactYes
Outlet Inside Diameter.224
Outlet Inside Diameter.5
Outlet Inside Diameter 1 (in).5
Outlet Inside Diameter 2 (in).224
Outlet Outside Diameter.319
Outlet Outside Diameter.671
Outlet Outside Diameter 1 (in).671
Outlet Outside Diameter 2 (in).319
TypeCoolant Hose Flange
TypeCoolant Outlet

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2011HondaCivic1.8LL4CNGN/ACoolant Outlet
2011HondaCivic1.8LL4GASN/ACoolant Outlet
2010HondaCivic1.8LL4CNGN/ACoolant Outlet
2010HondaCivic1.8LL4GASN/ACoolant Outlet
2009HondaCivic1.8LL4CNGN/ACoolant Outlet
2009HondaCivic1.8LL4GASN/ACoolant Outlet
2008HondaCivic1.8LL4CNGN/ACoolant Outlet
2008HondaCivic1.8LL4GASN/ACoolant Outlet
2007HondaCivic1.8LL4CNGN/ACoolant Outlet
2007HondaCivic1.8LL4GASN/ACoolant Outlet
2006HondaCivic1.8LL4CNGN/ACoolant Outlet
2006HondaCivic1.8LL4GASN/ACoolant 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:

19425RNAA00

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