Dorman Exhaust Manifolds

4.33 out of 5 stars 515 Customer Reviews

Dorman exhaust manifolds offer a reliable, direct-fit installation for your vehicle. Manufactured from high-quality materials, they provide the perfect replacements for your worn-out factory piece. Dorman lends a hand in maintaining the exhaust manifold on your daily driver by providing the right fit at the right price--no longer are these "dealer only" parts. Get what you need--think Dorman for your replacement exhaust manifolds.

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Results 1 - 17 of 17

Dorman Exhaust Manifolds 674-197

Exhaust Manifold, Buick, Chevy, GMC, Oldsmobile, Pontiac, Car, Pickup, SUV, Van, V8, Driver Side, Each

Part Number: RNB-674-197

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Dorman Exhaust Manifolds 674-202

Exhaust Manifold, Buick, Chevy, GMC, Oldsmobile, Pontiac, Car, Pickup, SUV, Van, V8, Passenger Side, Each

Part Number: RNB-674-202

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Dorman Exhaust Manifolds 674-276

Exhaust Manifold, OEM Replacement, Cast Iron, Natural, GM, 5.0, 5.7L, Driver Side, Each

Part Number: RNB-674-276

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Dorman Exhaust Manifolds 674-653

Exhaust Manifold, Cast Iron, Natural, GM with Chevy, 5.0, 5.7L, Passenger Side, Each

Part Number: RNB-674-653

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Dorman Exhaust Manifolds 674-937

Exhaust Manifold, OEM Replacement, Cast Iron, Buick, Chevrolet, Pontiac, Each

Part Number: RNB-674-937

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Dorman Exhaust Manifolds 674-428

Exhaust Manifold

Part Number: RNB-674-428

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

Dorman Exhaust Manifolds 674-540

Exhaust Manifold, Front, Cast Iron, Natural, Buick, Chevy, Oldsmobile, Pontiac, 3.8L, Each

Part Number: RNB-674-540

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Dorman Exhaust Manifolds 674-779

Exhaust Manifold, Cast Iron, Natural, Each

Part Number: RNB-674-779

Not Yet Reviewed

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Dorman Exhaust Manifolds 674-948

Exhaust Manifold, Cast Iron, Natural, Each

Part Number: RNB-674-948

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Dorman Exhaust Manifolds 674-479

Exhaust Manifold

Part Number: RNB-674-479

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Dorman Exhaust Manifolds 674-544

Exhaust Manifold, Front, Cast Iron, Natural, Buick, Chevy, Oldsmobile, Pontiac, 3.1L, 3.4L, Each

Part Number: RNB-674-544

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Dorman Exhaust Manifolds 674-778

Exhaust Manifold, Cast Iron, Natural, Each

Part Number: RNB-674-778

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Dorman Exhaust Manifolds 674-269

Exhaust Manifold, Rear, Cast Iron, Natural, Buick, Chevy, Oldsmobile, Pontiac, 3.1L, Each

Part Number: RNB-674-269

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Dorman Exhaust Manifolds 674-785

Exhaust Manifold, OEM Replacement, Cast Iron, Buick, Chevrolet, GMC, Isuzu, Saab, Each

Part Number: RNB-674-785

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

Dorman Exhaust Manifolds 674-154

Exhaust Manifold Kit

Part Number: RNB-674-154

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Dorman Exhaust Manifolds 674-777

Exhaust Manifold, Passenger Side, Cast Iron, Natural Finish, Buick, Chevy, GMC, Oldsmobile, Isuzu, Each

Part Number: RNB-674-777

4.77 out of 5 stars ( 13 )

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Dorman Exhaust Manifolds 674-919

Exhaust Manifold, OEM Replacement, Cast Iron, Buick, Chevrolet, Oldsmobile, Pontiac, Saturn, Each

Part Number: RNB-674-919

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

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