Save Now on Select Holley Family of Brands Products!

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

Save Now on Select Holley Family of Brands Products!

Haul in the Savings - Shop the Truck Savings Event Today!

Filters

In Stock
- In Stock Items. Ships Today. (67) 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.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (230) 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 (256) 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
Department
Part Type
- Head Gaskets (226) 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.
- Engine Gasket Sets (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.
- Header and Exhaust Manifold Gaskets (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.
- Engine Valve Stem Oil Seals (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.
- Oil Cooler Gaskets and Seals (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.
- Water Pump Gaskets (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.
- Camshaft Thrust Plates (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.
- Coolant Crossover Components (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.
- Fuel Injector O-Rings (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.
- Oil Pan Gaskets (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.
- Rear Main Seal Cover Gaskets (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.
- Rear Main Seals (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.
Show All
Make/Engine
Price Range
Filter Options
Savings Central

Selected Filters

Filter Results by Vehicle

Loading...

Home
2004 GMC
Product Results

Availability

- In Stock Items. Ships Today. (67) 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.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (230) 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 (256) 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
Make/Model
Department
Part Type
- Head Gaskets (226) 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.
- Engine Gasket Sets (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.
- Header and Exhaust Manifold Gaskets (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.
- Engine Valve Stem Oil Seals (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.
- Oil Cooler Gaskets and Seals (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.
- Water Pump Gaskets (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.
- Camshaft Thrust Plates (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.
- Coolant Crossover Components (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.
- Fuel Injector O-Rings (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.
- Oil Pan Gaskets (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.
- Rear Main Seal Cover Gaskets (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.
- Rear Main Seals (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.
Show All
Make/Engine
Price Range
Filter Options

2004 GMC Cometic Parts and Accessories

Individual Parts

Part Groups

Results 151 - 175 of 256

Cometic Street Pro Top-End Gasket Kits PRO3008T

Made in the USA

Cometic Street Pro Top-End Gasket Kits PRO3008T

Cometic Street Pro Top-End Gasket Kits PRO3008T

4.100" TOP END GASKET KIT, GM 6.6L DURAMAX 2001-2004

Part Number: CGT-PRO3008T

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 30, 2026 if ordered today

Cometic MLS Head Gaskets C5751-084

Made in the USA

Cometic MLS Head Gaskets C5751-084

Cometic MLS Head Gaskets C5751-084

.084" MLS-5 HEAD GASKET

Part Number: CGT-C5751-084

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic MLS Head Gaskets C5751-089

Made in the USA

Cometic MLS Head Gaskets C5751-089

Cometic MLS Head Gaskets C5751-089

Head Gasket, MLS, 4.060 in. Bore, .089 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5751-089

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic Oil Cooler Gaskets and Seals C15263

Cometic Oil Cooler Gaskets and Seals C15263

Cometic Oil Cooler Gaskets and Seals C15263

GM 2001+ 6.6L Duramax .020" Rubber Coated Stainless Oil Cooler Outlet Gasket

Part Number: CGT-C15263

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic Oil Cooler Gaskets and Seals C15264

Cometic Oil Cooler Gaskets and Seals C15264

Cometic Oil Cooler Gaskets and Seals C15264

GM 2001+ 6.6L Duramax .020" Rubber Coated Stainless Oil Cooler Inlet Gasket

Part Number: CGT-C15264

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic Timing Cover Gaskets C15280

Cometic Timing Cover Gaskets C15280

Cometic Timing Cover Gaskets C15280

GM LS Gen-3/4 Small Block V8 Timing Cover Gasket

Part Number: CGT-C15280

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic Rear Main Seal Cover Gaskets C15281

Cometic Rear Main Seal Cover Gaskets C15281

Cometic Rear Main Seal Cover Gaskets C15281

GM LS Gen-3/4 Small Block V8 Rear Main Cover Gasket

Part Number: CGT-C15281

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic Rear Main Seals C15044

Made in the USA

Cometic Rear Main Seals C15044

Cometic Rear Main Seals C15044

REAR MAIN SEAL

Part Number: CGT-C15044

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic Timing Cover Seals C15045

Made in the USA

Cometic Timing Cover Seals C15045

Cometic Timing Cover Seals C15045

TIMING COVER SEAL

Part Number: CGT-C15045

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic Head Gaskets C15524-060

Cometic Head Gaskets C15524-060

Cometic Head Gaskets C15524-060

.060" MLS-5 HEAD GASKET

Part Number: CGT-C15524-060

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic Copper Head Gaskets C15408-050

Cometic Copper Head Gaskets C15408-050

Cometic Copper Head Gaskets C15408-050

Copper Head Gasket, .050C Copper Head Gasket, GM LS ENGINE 4.100-in. Bore

Part Number: CGT-C15408-050

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic Valve Stem Seals 3516PB-16

Made in the USA

Cometic Valve Stem Seals 3516PB-16

Cometic Valve Stem Seals 3516PB-16

16PK POLY METAL JACKET

Part Number: CGT-3516PB-16

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic MLS Head Gaskets C5319-060

Made in the USA

Cometic MLS Head Gaskets C5319-060

Cometic MLS Head Gaskets C5319-060

Head Gasket, MLS, 4.190 in. Bore, .060 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5319-060

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic MLS Head Gaskets C5319-066

Made in the USA

Cometic MLS Head Gaskets C5319-066

Cometic MLS Head Gaskets C5319-066

Head Gasket, MLS, 4.190 in. Bore, .066 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5319-066

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic MLS Head Gaskets C5319-070

Cometic MLS Head Gaskets C5319-070

Cometic MLS Head Gaskets C5319-070

Head Gasket, MLS, 4.190 in. Bore, .070 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5319-070

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic Head Gaskets C5319-075

Cometic Head Gaskets C5319-075

Cometic Head Gaskets C5319-075

.075" MLS-5 HEAD GASKET

Part Number: CGT-C5319-075

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic MLS Head Gaskets C5319-080

Made in the USA

Cometic MLS Head Gaskets C5319-080

Cometic MLS Head Gaskets C5319-080

Head Gasket, MLS, 4.190 in. Bore, .080 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5319-080

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic Head Gaskets C5319-092

Cometic Head Gaskets C5319-092

Cometic Head Gaskets C5319-092

.092" MLS-5 HEAD GASKET

Part Number: CGT-C5319-092

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic Head Gaskets C5319-098

Cometic Head Gaskets C5319-098

Cometic Head Gaskets C5319-098

HEAD GASKET

Part Number: CGT-C5319-098

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic Head Gaskets C5319-120

Cometic Head Gaskets C5319-120

Cometic Head Gaskets C5319-120

Cylinder Head Gasket , .120" MLS HEAD GASKET , GM LS1 SB 4.190" BORE

Part Number: CGT-C5319-120

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic Throttle Body Gaskets for 2004-2005 FASTRACK FT1461, FASTRACK FT1801, 2003-2005 SIERRA 3500 - C5169

Made in the USA

Cometic Throttle Body Gaskets for 2004-2005 FASTRACK FT1461, FASTRACK FT1801, 2003-2005 SIERRA 3500 - C5169

Cometic Throttle Body Gaskets for 2004-2005 FASTRACK FT1461, FASTRACK FT1801, 2003-2005 SIERRA 3500 - C5169

Throttle Body Gasket, Molded Rubber Compound, Chevy, 6.0L LS, Each

Part Number: CGT-C5169

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic Fuel Injector O-Rings C15027

Made in the USA

Cometic Fuel Injector O-Rings C15027

Cometic Fuel Injector O-Rings C15027

FUEL INJECTOR O-RING KIT

Part Number: CGT-C15027

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic Valve Cover Grommets C15030

Made in the USA

Cometic Valve Cover Grommets C15030

Cometic Valve Cover Grommets C15030

VALVE COVER GROMMET KIT

Part Number: CGT-C15030

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic Water Pump Gaskets C15033

Made in the USA

Cometic Water Pump Gaskets C15033

Cometic Water Pump Gaskets C15033

WATER PUMP BACKING O-RING

Part Number: CGT-C15033

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Cometic Coolant Crossover Components C15034

Made in the USA

Cometic Coolant Crossover Components C15034

Cometic Coolant Crossover Components C15034

COOLANT BYPASS SEALS - 4 PACK

Part Number: CGT-C15034

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Previous
1
2
3
4
5
6
7
8
9
10
>>
Next

Previous
Page 7 of 11
Next

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