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Chevy Silverado 1500 Heater Cores

84520281 - : Heater Inlet Hose Bracket for GM Image

Heater Inlet Hose Bracket

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$8.15
MSRP $12.94
Save $4.79
37% Off
84653861 - : Heater Control Vacuum Harness for GM Image

Heater Control Vacuum Harness

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$82.89
MSRP $121.20
Save $38.31
31.6% Off
11548110 - : Heater Outlet Hose Strap for GM Image

Heater Outlet Hose Strap

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$21.36
MSRP $30.23
Save $8.87
29.3% Off
42455069 - : HVAC Heater Wiring Harness for GM Image

HVAC Heater Wiring Harness

Connects vehicle's blower motor to the resistor or fan control module This GM Genuine Part is designed, engineered, and tested to...
$30.83
MSRP $44.34
Save $13.51
30.5% Off
95276593 - : HVAC Heater Control Panel for GM Image

HVAC Heater Control Panel

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Original equipment...
$99.18
MSRP $146.27
Save $47.09
32.2% Off
95282240 - : HVAC Heater Control Panel for GM Image

HVAC Heater Control Panel

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Original equipment...
$101.48
MSRP $149.67
Save $48.19
32.2% Off
42427039 - : HVAC Heater Wiring Harness for GM Image

HVAC Heater Wiring Harness

Connects vehicle's blower motor to the resistor or fan control module This GM Genuine Part is designed, engineered, and tested to...
$32.05
MSRP $46.08
Save $14.03
30.4% Off
15708626 - : Hose,Htr Inl for GM Image

Hose,Htr Inl

Helps provide heat to the vehicle interior Constructed from high quality material for a long service life This GM Genuine Part is...
$64.25
MSRP $107.13
Save $42.88
40% Off
84089294 - : Rear Seat Heater Harness for GM Image

Rear Seat Heater Harness

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Discontinued
39109231 - : Engine Coolant Heater Cable for GM Image

Engine Coolant Heater Cable

Helps carry electrical signals to and from the heated window element This GM Genuine Part is designed, engineered, and tested to...
$151.11
MSRP $224.74
Save $73.63
32.8% Off
84292424 - : Fuel Heater Outlet Hose for GM Image

Fuel Heater Outlet Hose

Helps provide heat to the vehicle interior Constructed from high quality material for a long service life This GM Genuine Part is...
$12.83
MSRP $20.70
Save $7.87
38% Off
23308658 - : Rear Seat Heater Harness for GM Image

Rear Seat Heater Harness

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$114.67
MSRP $169.12
Save $54.45
32.2% Off

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TL;DR Summary

A Silverado 1500 heater core helps transfer engine heat into the cabin HVAC system. Genuine GM heater core components help match the HVAC case, hose connections, and cooling-system layout.

Overview

When a heater core leaks or becomes restricted, Silverado 1500 owners may notice poor heat, coolant odor, window fogging, damp carpet, or coolant loss. Because heater core replacement can be labor-intensive, choosing the right part before the repair matters. Van Chevrolet GM Parts Center helps Silverado owners shop OEM HVAC components with fitment in mind.

What This Category Includes

  • Heater cores and related HVAC components
  • Heater core seals and connection parts
  • HVAC case and hose-related service components
  • OEM parts for supported Silverado 1500 applications

Why Genuine GM Parts Matter

OEM heater core components are designed around the HVAC case, tube orientation, and cooling-system connections. View a verified Silverado 1500 heater parts page.

How to Choose the Right Part

Confirm VIN, model year, cab configuration, HVAC equipment, and engine before ordering. If coolant contamination or leaks are present, inspect related cooling-system components during the repair.

Compatibility / Fitment Guidance

Heater core fitment can vary by model year, HVAC configuration, and body or cab setup. Confirm whether additional seals, clamps, or coolant service parts are needed before beginning the repair.

Key Takeaways

  • Heater core replacement should be planned carefully because labor can be significant.
  • OEM heater core parts help match the HVAC case and hose connection points.
  • Inspect related cooling components before completing the repair.

FAQ Section

What are the signs of a bad Silverado heater core?

Poor heat, coolant smell, damp carpet, window fogging, or unexplained coolant loss can point to heater core concerns.

Does heater core fitment vary by cab?

It can. Cab and HVAC configuration may affect fitment depending on model year.

Should I flush the cooling system?

That depends on the repair condition. Contaminated coolant or restriction concerns may require additional cooling-system service.