{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}

Retrieve Cart

Track order

File a Return

Need Help? Call Us1-866-529-0412

Auto Body Parts & Mirrors

Headlights & Lighting

Engine & Drivetrain

Brakes, Suspension & Steering

Interior

Exterior

Tools & Garage

Wheels & Tires

Price Match Guarantee

60-Day Returns

Lifetime Replacement

Price Match Guarantee

60-Day Returns

Lifetime Replacement

Guaranteed to Fit2003 GMC Sierra 3500 Change Vehicle

Replacement
2003 GMC Sierra 3500 - Cylinder Head Gasket, 8 Cyl., 6.6L Engine

Name: 2003 GMC Sierra 3500 Cylinder Head Gasket, 8 Cyl., 6.6L Engine SET-RC31270001 by Replacement
Brand: Replacement
SKU: SET-RC31270001
Price: 28.49 USD
Availability: InStock

Tap image and pinch to zoom.

$28.45

$88.93Save: $60.48(68%)

Manufacturer #SET-RC31270001

Guaranteed to Fit2003 GMC Sierra 3500 Change Vehicle

Qty:

Included in This Kit

Qty

Part

Brand

Location

Replaces OE Number

Cylinder Head Gasket

Replacement

Cylinder Head Gasket

Replacement

Your Vehicle Fit Details

Vehicle Name

Submodel

Engine

Fitment Information

2003 GMC Sierra 3500

SLE

8 Cyl 6.6L

.037 thick, .037 in. Thick, Head Bolts Not Includes, Head Bolt Replacement Recommended, Permatorquemls Laserweld Technology, Consolidated Improved Design

2003 GMC Sierra 3500

Base

8 Cyl 6.6L

.037 thick, .037 in. Thick, Head Bolts Not Includes, Head Bolt Replacement Recommended, Permatorquemls Laserweld Technology, Consolidated Improved Design

2003 GMC Sierra 3500

SLT

8 Cyl 6.6L

.037 thick, .037 in. Thick, Head Bolts Not Includes, Head Bolt Replacement Recommended, Permatorquemls Laserweld Technology, Consolidated Improved Design

Highlights

Part:

Cylinder Head Gasket

Brand:

Replacement

Location:

Driver And Passenger Side

Notes:

Multi-Layered Steel (MLS) Head Gasket

Components:

(2) Cylinder Head Gaskets

Warranty:

1-year Replacement unlimited-mileage warranty

Quantity Sold:

Set of 2

Prop 65 Warning:

WARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Deals:

Overstock

Gasket Material:

Multi-Layered Steel

Interchange Part Number:

26401PT, 12637785, 26402PT, 12637788

Product Fit:

Direct Fit

Recommended Use:

OE Replacement

Replaces OE Number:

12637788, 12637785

Returns Policy:

30-Day Return Policy

Fitnotes:

.037 thick, .037 in. Thick, Head Bolts Not Includes, Head Bolt Replacement Recommended, Permatorquemls Laserweld Technology, Consolidated Improved Design

Vehicle Fitment Information

Vehicle Name

Submodel

Engine

Fitment Information

2001-2002 GMC Sierra 2500 HD

8 Cyl 6.6L

.037 thick, .037 in. Thick, Head Bolts Not Includes, Head Bolt Replacement Recommended, Permatorquemls Laserweld Technology, Consolidated Improved Design

2001-2002 GMC Sierra 3500

8 Cyl 6.6L

.037 thick, .037 in. Thick, Head Bolts Not Includes, Head Bolt Replacement Recommended, Permatorquemls Laserweld Technology, Consolidated Improved Design

2001-2005 Chevrolet Silverado 2500 HD

Base

8 Cyl 6.6L

.037 thick, .037 in. Thick, Head Bolts Not Includes, Head Bolt Replacement Recommended, Permatorquemls Laserweld Technology, Consolidated Improved Design

2001-2005 Chevrolet Silverado 3500

Base

8 Cyl 6.6L

.037 thick, .037 in. Thick, Head Bolts Not Includes, Head Bolt Replacement Recommended, Permatorquemls Laserweld Technology, Consolidated Improved Design

2001-2006 Chevrolet Silverado 2500 HD

8 Cyl 6.6L

.037 thick, .037 in. Thick, Head Bolts Not Includes, Head Bolt Replacement Recommended, Permatorquemls Laserweld Technology, Consolidated Improved Design

Page 1 of 20 | Showing 1 - 5 of 99 results

Product Information

Manufactured from top quality components, this is your best option and inexpensive replacement for your rebuild, repair, and maintenance needs - an OE replacement product for your damaged or aged factory part.

Replacement - the most affordable brand name for replacement parts that you need! Replacement is a professional brand for autobody, lighting parts, electrical, brake, suspension, intake and exhaust, and cooling and heating products. All Replacement brands include 1-year, unlimited-mileage warranty.

Need help?Call our product expert1-866-529-0412

Chat with us

Mondays - Sundays7am - 11pm ET | 4am - 8pm PT

Warranty Policy

Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.

Shipping Policy

We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.

Easy Return Policy

We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.