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Chevy Silverado 1500 Heater Cores

12691175 - : HVAC Heater Pipe for GM Image

HVAC Heater Pipe

2.7L turbo. CT4. Heater outlet. Helps circulate coolant Helps prevent engine overheating and damage This GM Genuine Part is designed,...
$51.93
MSRP $86.59
Save $34.66
40% Off
17800689 - : Accessory Lock Core Key for GM Image

Accessory Lock Core Key

Tool Box Replacement Key with Code #502.
$12.31
MSRP $18.00
Save $5.69
31.6% Off
20871103 - : Air Conditioning Evaporator Core for GM Image

Air Conditioning Evaporator Core

Without standard cab. Without aux temp controls. Silverado, sierra. Channel-plate construction provides a high refrigerant contact...
$339.48
MSRP $580.55
Save $241.07
41.5% Off
17800693 - : Accessory Lock Core Key for GM Image

Accessory Lock Core Key

Tool Box Replacement Key with Code #506.
$12.31
MSRP $18.00
Save $5.69
31.6% Off
89019027 - : Air Conditioning Evaporator Core for GM Image

Air Conditioning Evaporator Core

Channel-plate construction provides a high refrigerant contact surface area, resulting in better performance Vacuum-brazed,...
$264.88
MSRP $449.14
Save $184.26
41% Off
17800692 - : Accessory Lock Core Key for GM Image

Accessory Lock Core Key

Tool Box Replacement Key with Code #505.
$12.31
MSRP $18.00
Save $5.69
31.6% Off
23281450 - : Air Conditioning Evaporator Core for GM Image

Air Conditioning Evaporator Core

Sierra, silverado. Tahoe, Yukon, Escalade. Escalade ESV. Yukon XL. Suburban 3500hd. Channel-plate construction provides a high...
$205.22
MSRP $347.99
Save $142.77
41% Off
20792748 - : Heater Asm-D/Seat Cush for GM Image

Heater Asm-D/Seat Cush

Heats up your vehicle's seat when activated by switch This GM Genuine Part is designed, engineered, and tested to rigorous standards...
$96.87
MSRP $135.74
Save $38.87
28.6% Off
25872392 - : Air Conditioning System Valve Core for GM Image

Air Conditioning System Valve Core

Repairs leaking A/C system Restores A/C function This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$12.62
MSRP $20.36
Save $7.74
38% Off
22878848 - : Heater Asm-F/Seat Cush for GM Image

Heater Asm-F/Seat Cush

Bucket seat without ventillated seat. with cloth seat. Heats up your vehicle's seat when activated by switch This GM Genuine Part is...
$105.16
MSRP $147.35
Save $42.19
28.6% Off
88940288 - : Driver Seat Cushion Heater for GM Image

Driver Seat Cushion Heater

All models. Front. Lower. Bucket seat driver side, 2003-07. seat cushion. Heats up your vehicle's seat when activated by switch This GM...
$217.62
MSRP $307.50
Save $89.88
29.2% Off
15763368 - : Hose Asm-Htr Inl for GM Image

Hose Asm-Htr Inl

Inlet. Exc.Auxiliary Heater. Helps provide heat to the vehicle interior Constructed from high quality material for a long service life...
$62.69
MSRP $104.53
Save $41.84
40% 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.