Summit Racing SpeedCard - learn how to get 10% back up to $100

Make/Model Search
Make/Engine Search

Brands
Savings Central
Contact Us
Help Center

My Garage
Wish List
Order Status & Returns

Welcome
My Account

Order Status

Wish List
Savings Central
Shop by Brand
Shop Your Passion
- Shop Your Passion
- Truck / SUV
  
  Jeep®
  
  Restoration
  
  Stock Replacement
  
  Late Model Muscle
  
  Tools
  
  Gifts, Clothing, & More
  
  Circle Track
  
  Street Rod
  
  Powersports
  
  Paint & Body
  
  Marine
  
  Jr Dragster
Gift Cards
My Garage
See Our Catalogs
News & Events
Career Opportunities
Contact Us
Help Center
New Products
Shop by Make/Model
Sign In

Search Make/Model

Search Make/Engine

Sign In

Welcome
Account Dashboard
Profile
Order Status & Returns
Buy It Again
Wish List
Rewards Program
Gift Cards & Summit Bucks
Address Book
My Garage Settings
Email Preferences
Text Notifications
My Reviews
My Questions
Catalogs
Tax Exemption
Sign In

Summit Racing SpeedCard - learn how to get 10% back up to $100

Save With Limited-Time Deals on Exterior Parts & Accessories Today!

Filters

In Stock
- In Stock Items, Including at a Supplier. Ships In a Few Days. (9) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (11) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Brand
- OSC Automotive Products (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Agility Auto Parts (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Spectra Premium (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Four Seasons (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Universal Air Conditioner Inc. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Universal
- No (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Model
Submodel
- SLE The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- SLT The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- DENALI The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Engine
Heater Core Inlet Size
- 0.500 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 0.625 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 0.630 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 0.750 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 0.875 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Stock (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Heater Core Outlet Size
- 0.625 in. (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 0.500 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 0.875 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Stock (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Heater Core Length (in.)
- 7.25 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 8.25 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 4.50 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Heater Core Width (in.)
- 7.25 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 4.25 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 4.50 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 7.50 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Heater Core Thickness (in.)
- 1.00 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 1.25 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 0.69 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Air Conditioning
- No (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Yes (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Quantity
- Sold individually. (8)
Filter Options
- Stock Replacement (3)

Selected Filters

Filter Results by Vehicle

Loading...

Home
Cooling & Heating
Heater Cores
Heater Cores
GMC ENVOY
Product Results

Availability

- In Stock Items, Including at a Supplier. Ships In a Few Days. (9) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (11) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filters
Brand
- OSC Automotive Products (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Agility Auto Parts (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Spectra Premium (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Four Seasons (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Universal Air Conditioner Inc. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Universal
- No (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Model
Submodel
- SLE The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- SLT The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- DENALI The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Engine
Heater Core Inlet Size
- 0.500 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 0.625 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 0.630 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 0.750 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 0.875 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Stock (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Heater Core Outlet Size
- 0.625 in. (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 0.500 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 0.875 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Stock (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Heater Core Length (in.)
- 7.25 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 8.25 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 4.50 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Heater Core Width (in.)
- 7.25 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 4.25 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 4.50 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 7.50 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Heater Core Thickness (in.)
- 1.00 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 1.25 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 0.69 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Air Conditioning
- No (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Yes (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Quantity
- Sold individually. (8)
Filter Options
- Stock Replacement (3)

GMC ENVOY Heater Cores

Showing In Stock Items. Show All 11 Items.

Individual Parts

Part Groups

Results 1 - 9 of 9

Agility Auto Parts Heater Cores for 2002-2009 ENVOY, TRAILBLAZER, 2004-2007 RAINIER - 9010398

Agility Auto Parts Heater Cores for 2002-2009 ENVOY, TRAILBLAZER, 2004-2007 RAINIER - 9010398

Agility Auto Parts Heater Cores for 2002-2009 ENVOY, TRAILBLAZER, 2004-2007 RAINIER - 9010398

HVAC Heater Core, HVAC HEATER CORE

Part Number: RDR-9010398

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Universal Air Conditioner Heater Cores HT 2187C

Universal Air Conditioner Heater Cores HT 2187C

Universal Air Conditioner Heater Cores HT 2187C

HVAC Heater Core

Part Number: UAC-HT2187C

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Spectra Premium Heater Cores 434-93058

Spectra Premium Heater Cores 434-93058

Spectra Premium Heater Cores 434-93058

Heater Core, Aluminum, Buick, Chevy, GMC, Isuzu, Oldsmobile, Saab, Each

Part Number: SGT-93058

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

...Loading

Estimated Ship Date: May 8, 2026 if ordered today

Agility Auto Parts Heater Cores 9010525

Agility Auto Parts Heater Cores 9010525

Agility Auto Parts Heater Cores 9010525

HVAC Heater Core, HVAC Heater Core

Part Number: RDR-9010525

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Four Seasons Heater Cores 90058

Four Seasons Heater Cores 90058

Four Seasons Heater Cores 90058

Aluminum Heater Core

Part Number: FSS-90058

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

OSC Automotive Heater Cores 98058

OSC Automotive Heater Cores 98058

OSC Automotive Heater Cores 98058

HVAC Heater Core, OSC Cooling Products 98058 New Heater Core

Part Number: OSC-98058

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

...Loading

Estimated Ship Date: May 7, 2026 if ordered today

OSC Automotive Products Heater Cores 99097

OSC Automotive Products Heater Cores 99097

OSC Automotive Products Heater Cores 99097

HEATER CORE, 04-07 Buick Rainier 4.2L 6Cyl L; 04-07 Buick Rainier 5.3L 8Cyl V; 06-07 Chevrolet Trailblazer 6.0L 8Cyl V; 02-06 Chevrolet Trailblazer EX

Part Number: OSC-99097

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

...Loading

Estimated Ship Date: May 7, 2026 if ordered today

Spectra Premium Heater Cores 434-99276

Spectra Premium Heater Cores 434-99276

Spectra Premium Heater Cores 434-99276

Heater Core, Aluminum, Natural, Each

Part Number: SGT-99276

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

...Loading

Estimated Ship Date: May 7, 2026 if ordered today

OSC Automotive Heater Cores 99031

OSC Automotive Heater Cores 99031

OSC Automotive Heater Cores 99031

HVAC Heater Core

Part Number: OSC-99031

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

...Loading

Estimated Ship Date: May 7, 2026 if ordered today

1

Page 1 of 1

Modal Header

Contact us with questions.

Call To Order

This is a custom order part. You can order this part by Contacting Us.

Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

Jumpstart Your Next Project!

View Details|See if you Prequalify

Stay Updated with Emails from Summit Racing

Never miss a sale on new parts, tools, and more!

= Required

First Name

Last Name

Email Address Email required

See Our Catalogs

News & Events

News & Events Home
OnAllCylinders (blog)
Calendar of Events
New Product Releases
Summit Racing News
News You Can Use
Featured Vehicles
Media Center
Sanctioning Bodies

Help

Help Center
Return Policy
Beat-A-Price Guarantee
Payment Options
Contact Us

Social

Facebook
X/Twitter
Instagram
Pinterest
YouTube
Podcast

About Summit

Corporate History
Retail Locations

My Account

Profile
Email Preferences
Order Status & Returns
Wish List
Address Book
My Reviews
My Questions
My Garage
Sign In

Career Opportunities

More

Summit Racing Credit Card
Gift Cards
Calculators & Tools
Promo Exclusions
Become an Affiliate
Summit Racing Rewards Program
Summit Racing Equipment Protection Plan

Terms of Use | Privacy and Security | Site Accessibility
Copyright 2026 by AUTOSALES, INCORPORATED
dba Summit Racing Equipment | Trademarks

Let's Build it Together^™

Modal Header