Gates
Molded Heater Hose

Gates 12232 HVAC Heater Hose - Heater Inlet

Brand Gates 12232
Position Heater Inlet
0
Yes
Branch Quantity 0
Centerline Length 25.97
Centerline Length 660
Centerline Length (in) 25.97
Centerline Length (mm) 660
End 1 Inside Diameter .62
End 1 Inside Diameter 16
End 2 Inside Diameter .62
End 2 Inside Diameter 16
Material EPDM
Molded Yes
Number of Quick Connect Fittings 0
Product line Molded Heater Hose
Fits Honda · 9 vehicles

Factory-molded design. OEM-style hose for a precise, ready-to-fit replacement.

EPDM construction. Built for coolant, water, air, and marine applications.

Small I.D. hose. Sized for tighter engine compartments.

Cross-references Global Parts Distributors LLC 13232, 16732M and 79721TBAA00 for the same application. See all 3.

$21.86Free 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.

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Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $21.86
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Gates Molded Heater Hose for Honda Civic

The Gates 12232 molded heater hose is an OEM-style coolant hose built for tight engine bays and factory routing. It is made from EPDM and formed to match the original shape for a clean, direct replacement on select Honda Civic heater inlet applications.

Key Features

  • Brand: Gates Molded Heater Hose
  • Part number: 12232
  • EPDM construction for coolant, water, and air service
  • Factory-molded shape for smaller, tighter-fitting engine compartments
  • End I.D.: 0.62 in. (16 mm) at both ends
  • Centerline length: 25.97 in. (660 mm)
  • Approved for marine applications

Product Details

Gates 12232 is a molded heater hose from the Gates Molded Heater Hose line, a product line focused on OE-style hose routing and fit. This molded coolant hose follows the original path used in the vehicle, helping maintain proper hose alignment in compact engine layouts. It is a direct-fit solution for the heater inlet on 2016-2021 Honda Civic models and is also referenced by cross numbers from Global Parts Distributors LLC and other interchange listings.

Compatible With 2016-2021 Honda Civic, heater inlet. The Gates 12232 part number is commonly searched by buyers looking for a molded heater hose for Honda Civic cooling system service, especially when replacing a formed hose that must match factory bends and dimensions.

What It Helps Address

  • Cracked or aged heater hose material
  • Coolant seepage at a worn hose run
  • Poor hose routing in tight engine compartments
  • Replacement needs for a molded heater inlet hose
  • Service on coolant, water, or air hose paths

Installation Notes and Tips

Verify the hose routing, end inside diameter, and centerline length before installation. Match the molded shape to the original hose path on the 2016-2021 Honda Civic heater inlet to avoid kinks or tension at the connection points. Inspect adjoining clamps, fittings, and mating surfaces during service, and confirm the cooling system is properly filled and bled after installation.

Quality Assurance

Gates manufactures this molded hose as an OE-style replacement for factory routing and fit. The EPDM construction and molded design support consistent service in coolant applications, and the hose is also approved for marine use.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2021HondaCivic2.0LL4GASHeater InletMolded Heater Hose
2020HondaCivicEX2.0LL4GASHeater InletMolded Heater Hose
2020HondaCivicLX2.0LL4GASHeater InletMolded Heater Hose
2019HondaCivicEX2.0LL4GASHeater InletMolded Heater Hose
2019HondaCivicLX2.0LL4GASHeater InletMolded Heater Hose
2018HondaCivicLX2.0LL4GASHeater InletMolded Heater Hose
2018HondaCivicEX2.0LL4GASHeater InletMolded Heater Hose
2017HondaCivic2.0LL4GASHeater InletMolded Heater Hose
2016HondaCivic2.0LL4GASHeater InletMolded Heater Hose
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Global Parts Distributors LLC — 1323216732M79721TBAA00