{
    "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
}
Select your vehicle

GMC Exhaust Manifolds

Refine by:

Shop Catalog

Showing 1 - 15 of 210 results
Display item:
15
30
45
Sort by:
Exhaust Manifold, 6 Cyl., 4.2L Engine
Part Number: REPC960707
Vehicle Info Required to Guarantee Fit
$108.99
Product Details
Emissions : 50-State LegalQuantity Sold : Sold individuallyWarranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, 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.

Interchange Part Number : 674777, 101403, 663272, 88890560, 8888905600, 24056704530728234Replaces OE Number : 101403, 663272, 88890560, 8888905600, 24056704530728234Returns Policy : 30-Day Return Policy
Passenger Side Exhaust Manifold, 8 Cyl., 8.1L Engine, With Wrap Around Heat Shield, Cast Iron
Part Number: REPC960708
Vehicle Info Required to Guarantee Fit
$52.84
Product Details
Location : Passenger SideNotes : With wrap around heat shield; Cast IronEmissions : 50-State LegalQuantity Sold : Sold individuallyWarranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, 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 : OverstockInterchange Part Number : 674728, 101376, 663223, 12557286, 12580303, 12601751, 24056704530728236, 34485119201191135Replaces OE Number : 101376, 663223, 12557286, 12580303, 12601751, 24056704530728236, 34485119201191135Returns Policy : 30-Day Return Policy
Exhaust Manifold - Passenger Side, Includes Manifold Gasket, Flange, Studs and Nuts
Part Number: RC96070001
Vehicle Info Required to Guarantee Fit
$65.49
Product Details
Location : Passenger SideIncludes : Includes (1) Manifold Gasket, (1) Flange, (3) Studs, and (3) NutsEmissions : 50-State LegalQuantity Sold : KitWarranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, 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.

Interchange Part Number : 674785, 12600527Replaces OE Number : 12600527Returns Policy : 30-Day Return Policy
SET-RB674583 Driver and Passenger Side Exhaust Manifold, 50-State Legal
Part Number: SET-RB674583
Vehicle Info Required to Guarantee Fit
$218.99
Product Details
Location : Driver And Passenger SideNotes : Set Components - (2) Exhaust Manifold Kit; Cast iron materialEmissions : 50-State LegalQuantity Sold : Set of 2Warranty : Lifetime Dorman limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel, 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.

Interchange Part Number : 101299, 10044878, 14089850, REPC960703, 101148, 10044869Replaces OE Number : 101148, 10044869, 101299, 10044878, 14089850
663227 Passenger Side Exact Fit Series Exhaust Manifold, 46-State Legal (Cannot ship to CA, CO, NY or ME)
Part Number: DAV663227
Vehicle Info Required to Guarantee Fit
$76.99
Product Details
Location : Passenger SideNotes : 13 in. W x 5.1 in. H; 23.2 in. Inlet GasketIncludes : GasketEmissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Quantity Sold : Sold individuallyWarranty : 25,000-mile Davico limited warranty on catalyst emission properties and 5-year or 50,000-mile limited warranty on tube, shell and weldsProp 65 Warning :

Warning SymbolWARNING: 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.

Series : Exact Fit Series
674-550 Driver Side OE Solutions Series Exhaust Manifold, 50-State Legal
Part Number: RB674550
Vehicle Info Required to Guarantee Fit
$101.99
Product Details
Location : Driver SideNotes : Cast iron materialIncludes : Two bolts, two nuts, one manifold gasket, and one flange gasketEmissions : 50-State LegalQuantity Sold : KitWarranty : Lifetime Dorman limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel, 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.

Series : OE Solutions SeriesInterchange Part Number : REPC960703, 101148, 10044869Replaces OE Number : 101148, 10044869
674-583 Passenger Side OE Solutions Series Exhaust Manifold, 50-State Legal
Part Number: RB674583
Vehicle Info Required to Guarantee Fit
$128.49
Product Details
Location : Passenger SideNotes : Cast iron materialIncludes : Two studs, two springs, one manifold gasket, and one flange gasketEmissions : 50-State LegalQuantity Sold : KitWarranty : Lifetime Dorman limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel, 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.

Series : OE Solutions SeriesInterchange Part Number : 101299, 10044878, 14089850Replaces OE Number : 101299, 10044878, 14089850
674-159 Driver Side OE Solutions Series Exhaust Manifold, 50-State Legal
Part Number: RB674159
Vehicle Info Required to Guarantee Fit
$122.49
Product Details
Location : Driver SideNotes : Cast iron materialIncludes : Six studs, three nuts, three springs, three washers, one flange gasket, and one manifold gasketEmissions : 50-State LegalQuantity Sold : KitWarranty : Lifetime Dorman limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel, 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.

Series : OE Solutions SeriesInterchange Part Number : G960729, 101069, 12551444, 14103191, 343787, SK674159Replaces OE Number : 101069, 12551444, 14103191, 343787, SK674159
674-522 Driver Side OE Solutions Series Exhaust Manifold, 50-State Legal
Part Number: RB674522
Vehicle Info Required to Guarantee Fit
$111.99
Product Details
Location : Driver SideNotes : Cast iron materialIncludes : Three studs, three nuts, and one manifold gasketEmissions : 50-State LegalQuantity Sold : KitWarranty : Lifetime Dorman limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel, 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.

Series : OE Solutions SeriesInterchange Part Number : REPC960702, 101261, 663017, 12556078, 12562235, 12562330, 12564155, 12571678, 12602037, 12610962, 12616285, 12686303Replaces OE Number : 101261, 663017, 12556078, 12562235, 12562330, 12564155, 12571678, 12602037, 12610962, 12616285, 12686303
674-778 Passenger Side OE Solutions Series Exhaust Manifold, 50-State Legal
Part Number: RB674778
Vehicle Info Required to Guarantee Fit
$87.49
Product Details
Location : Passenger SideNotes : Cast iron materialEmissions : 50-State LegalQuantity Sold : KitWarranty : Lifetime Dorman limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel, 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.

Series : OE Solutions SeriesInterchange Part Number : 12588987Replaces OE Number : 12588987
SET-RB674239 Driver and Passenger Side Exhaust Manifold, 50-State Legal
Part Number: SET-RB674239
Vehicle Info Required to Guarantee Fit
$326.49
Product Details
Location : Driver And Passenger SideNotes : Set Components - (2) Exhaust Manifold; Cast iron materialIncludes : Three studs, three nuts, three springs, one flange gasket, one manifold gasketEmissions : 50-State LegalQuantity Sold : Set of 2Warranty : Lifetime Dorman limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel, 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.

Interchange Part Number : 101074, 651228, 662733, 12551385, 101075, 12551387Replaces OE Number : 101074, 651228, 662733, 12551385, 101075, 12551387
SET-RB674159 Driver and Passenger Side Exhaust Manifold, 50-State Legal
Part Number: SET-RB674159
Vehicle Info Required to Guarantee Fit
$250.99
Product Details
Location : Driver And Passenger SideNotes : Set Components - (2) Exhaust Manifold Kit; Cast iron materialEmissions : 50-State LegalQuantity Sold : Set of 2Warranty : Lifetime Dorman limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel, 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.

Interchange Part Number : C960702, 674390, 101071, 101327, 651151, 662656, 12551443, G960729, 101069, 12551444, 14103191, 343787, SK674159Replaces OE Number : 101069, 12551444, 14103191, 343787, SK674159, 101071, 101327, 651151, 662656, 12551443
SET-RB674244 Driver and Passenger Side Exhaust Manifold, 50-State Legal
Part Number: SET-RB674244
Vehicle Info Required to Guarantee Fit
$272.49
Product Details
Location : Driver And Passenger SideNotes : Set Components - (2) Exhaust Manifold; Cast iron materialEmissions : 50-State LegalQuantity Sold : Set of 2Warranty : Lifetime Dorman limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel, 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.

Interchange Part Number : G960706, 101065, 651234, 662739, 10045732, 14048362, 6272280, G960729, 101069, 12551444, 14103191, 343787, SK674159Replaces OE Number : 101065, 651234, 662739, 10045732, 14048362, 6272280, 101069, 12551444, 14103191, 343787, SK674159
674-524 Passenger Side OE Solutions Series Exhaust Manifold, 50-State Legal
Part Number: RB674524
Vehicle Info Required to Guarantee Fit
$172.49
Product Details
Location : Passenger SideNotes : 3 bolt holes; Square exhaust manifold inlet port shape; Right exhaust manifold compatibility; Cast Iron MaterialIncludes : (1) manifold gasket, (1) flange gasket, (3) studs, (3) nuts, and installation hardware(s)Emissions : 50-State LegalQuantity Sold : Sold individuallyWarranty : Lifetime Dorman limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel, 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.

Series : OE Solutions SeriesInterchange Part Number : 101553, 12560514, 12562407, 12574320, 12592083Replaces OE Number : 101553, 12560514, 12562407, 12574320, 12592083
674-523 Driver Side OE Solutions Series Exhaust Manifold, 50-State Legal
Part Number: RB674523
Vehicle Info Required to Guarantee Fit
$211.99
Product Details
Location : Driver SideNotes : 3 bolt hole; Square Exhaust Manifold Inlet Port Shape; Left Exhaust Manifold Compatibility; Cast Iron MaterialIncludes : One (1) Manifold Gasket, One (1) Flange Gasket, Three (3) Studs, and Three (3) NutsEmissions : 50-State LegalQuantity Sold : Sold individuallyWarranty : Lifetime Dorman limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel, 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.

Series : OE Solutions SeriesInterchange Part Number : 101552, 12574406, 12592082Replaces OE Number : 101552, 12574406, 12592082
Page 1 of 14 | Showing 1 - 15 of 210 results

Top Rated Products

Perfect fit, fixed all O2 sensors codes, easy to install. Truck runs super quite now.See More
Kenya G.
VERIFIED PURCHASER
Well I installed my manifold by myself and it was easy to remove and easy to replacedSee More
Seline C.
VERIFIED PURCHASER
I liked everything about This product! Came with everything i needed with and very eaSee More
Austin M.
VERIFIED PURCHASER

Product Questions & Answers

Q:Will this fit a 1969 Chevy BB. Rectangular 840 casting ?
Lance L.
A:BEST ANSWERHello Lance, This item is for 1973-1975 Chevrolet models not the 1969. To check the fitment please use our Vehicle Selector — which can be found towards the top of the homepage as well as all category, search results, and product pages — can help verify if a part will fit your specific application. To enter your application, simply select your vehicle’s year, make, model, sub-model, and engine type and click “Go.” Once your application is selected, you’ll see a “Guaranteed to Fit” badge if the part will fit, and we recommend that you also double-check Your Vehicle Fit Details as well as the Vehicle Fitment Information table on the product page. Show less
Aldrin P.
 
1 Question, 1 AnswerView all Q&As >

Shopping for GMC Exhaust Manifold

If you're among those people who think that the exhaust system of your GMC does nothing more than to discharge the by-product, particularly the waste of the combustion process, you absolutely have gone wrong. Although that is precisely the exhaust system's job, it does more than what we know. Your GMC exhaust system serves three major roles. First, it expels into the environment the waste gases produced during engine combustion to let the process go on smoothly and unhindered. Second, it lessens the noise generated by the engine while performing its job. And third, this system cleans up the emissions that are hazardous to the environment.

GMC exhaust system carries out these three functions efficiently. It could be because it is excellently designed to do these tasks and also because it is made up of different parts that work together flawlessly. One of the most indispensable contraptions in your GMC exhaust system is the GMC exhaust manifold. Typically made of cast or nodular iron, the exhaust manifold is a pipe that collects the exhaust gases from the engine cylinders and passes them on to the exhaust pipe.
 

Though almost all GMC exhaust manifolds are made of the same material, each GMC vehicle may come with different exhaust manifold design. The reason behind this is that GMC exhaust manifold's design absolutely depends on the type of engine motorizing your GMC model and the number of cylinders that the engine employed. You can find only one exhaust manifold in in-line engines while in V-type engines, the number of exhaust manifolds depends on how many cylinders are there.

Due to the exhaust manifold's complex job, you can't prevent it from wearing out as time pass by. If this happen, you don't have any reason to worry. The industry holds the biggest array of GMC exhaust manifolds for various GMC models. Since they are aimed for GMC vehicles, they are made up of durable materials and are crafted to meet OEM specifications. So don't let your dated and damaged GMC exhaust manifold brings more trouble to your vehicle, replace it right away with something new.

Helpful Automotive Resources

P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3When there are only 3 O2 sensors it’s typically because there’s only one catalyst being monitored, and “Bank 1” is the default designation when there’s only one sensor in a category. Diagram showing 3 oxygen sensors | Image Source: Richard McCuistian
P0058 Code: HO2S Heater Control Circuit High (Bank 2, Sensor 2)
P0058 Code: HO2S Heater Control Circuit High (Bank 2, Sensor 2)Modern vehicles are equipped with a sensor that helps the vehicle’s computer measure the oxygen content in the exhaust. This sensor is called the oxygen sensor. Many oxygen sensors have a Zirconia sensing element. This sensing element is made of Zirconium, an electrically-conductive material that produces a small voltage in
P0080 Code: Exhaust Valve Control Solenoid Circuit High Bank 1
P0080 Code: Exhaust Valve Control Solenoid Circuit High Bank 1To be more specific, this code may be logged when the PCM detects that the signal and voltage from the exhaust control solenoid in Bank 1 is above specification. Bank 1 refers to the side of the engine where cylinder #1 is located, while the exhaust valve control solenoid can