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Chevy Silverado 1500 Heater Cores

23507061 - : Windshield Header Bracket for GM Image

Windshield Header Bracket

Regular cab. Crew cab without sunroof.
$30.84
MSRP $41.98
Save $11.14
26.5% Off
12572705 - : Heated Oxygen Sensor for GM Image

Heated Oxygen Sensor

All models. 6.0l. Front, 8.1L. All models. 8.1l. Right. All models. 4.8l. All models. 4.3l. Rear, 8.1l. Silverado, sierra. 5.3l. 6.0L,...
$112.04
MSRP $188.38
Save $76.34
40.5% Off
19178961 - : Heated Oxygen Sensor for GM Image

Heated Oxygen Sensor

All models. 5.3l. All models. 4.8l. All models. 4.3l. 4.8L, front of converter. Front of converter, 5.3l. Detects oxygen content in the...
$76.70
MSRP $127.89
Save $51.19
40% Off
12679935 - : Heated Oxygen Sensor for GM Image

Heated Oxygen Sensor

Upper. 2.7L. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special...
$66.16
MSRP $96.76
Save $30.60
31.6% Off
12576131 - : Heated Oxygen Sensor for GM Image

Heated Oxygen Sensor

LaCrosse. Grand Prix. Without supercharger. 3.8L, california. Rear. This part requires programming and/or special setup procedures GM...
$64.40
MSRP $107.40
Save $43.00
40% Off
23507060 - : Windshield Header Bracket for GM Image

Windshield Header Bracket

Regular cab. Crew cab without sunroof.
$29.30
MSRP $39.89
Save $10.59
26.5% Off
12583804 - : Heated Oxygen Sensor for GM Image

Heated Oxygen Sensor

This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$75.14
MSRP $125.28
Save $50.14
40% Off
12562943 - : Heated Oxygen Sensor for GM Image

Heated Oxygen Sensor

Canada Built. 5.3L, rear of converter. 5.3L, front of converter. Detects oxygen content in the exhaust gases to help optimize emissions...
$77.78
MSRP $129.68
Save $51.90
40% Off
12670253 - : Heated Oxygen Sensor for GM Image

Heated Oxygen Sensor

4.3, 5.3, 6.2L. Silverado, sierra. 5.3l. Lower. Silverado, Sierra 2500 HD. Gas. Rear. Silverado, sierra. 6.2l. Silverado, Sierra 3500...
$49.62
MSRP $82.74
Save $33.12
40% Off
12599866 - : Heated Oxygen Sensor for GM Image

Heated Oxygen Sensor

All models. 5.3l. Express, savana. Gas. Without diesel, front. Rear of converter, 5.3l. This part requires programming and/or special...
$117.36
MSRP $130.33
Save $12.97
10% Off
12666673 - : Heated Oxygen Sensor for GM Image

Heated Oxygen Sensor

Tahoe, Yukon, Escalade. Front. Right. This part requires programming and/or special setup procedures GM Service Information describes...
$55.64
MSRP $92.78
Save $37.14
40% Off
84838123 - : Heated Steering Wheel Module for GM Image

Heated Steering Wheel Module

Versatile interface for accurate component communication Designed for plug and play installation This GM Genuine Part is designed,...
$14.33
MSRP $20.28
Save $5.95
29.3% 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.