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 - 11 of 11

Dorman Exhaust Manifolds 674-522

Exhaust Manifold, Cadillac, Chevy, GMC, Hummer, Pickup, SUV, Van, 4.8, 5.3, 6.0L, Driver Side, Each

Part Number: RNB-674-522

4.62 out of 5 stars ( 21 )

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

Dorman Exhaust Manifolds 674-732

Exhaust Manifold, Cast Iron, Passenger Side, Cadillac, Chevy, GMC, 4.8, 5.3, 6.0L, Each

Part Number: RNB-674-732

4.22 out of 5 stars ( 9 )

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

Dorman Exhaust Manifolds 674-496

Exhaust Manifold, Chevrolet, GMC, Pickup, SUV, 5.3L, 6.2L, Passenger Side, Each

Part Number: RNB-674-496

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

Dorman Exhaust Manifolds 674-495

Exhaust Manifold, Chevrolet, GMC, Pickup, SUV, 5.3L, 6.2L, Driver Side, Each

Part Number: RNB-674-495

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

Dorman Exhaust Manifolds 674-525

Exhaust Manifold, Cadillac, Chevy, GMC, Hummer, Pickup, SUV, Van, 4.8, 5.3, 6.0L, Passenger Side, Each

Part Number: RNB-674-525

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

Dorman Exhaust Manifolds 674-428

Exhaust Manifold

Part Number: RNB-674-428

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Dorman Exhaust Manifolds 674-414

Exhaust Manifold, Cast Iron, Natural, Each

Part Number: RNB-674-414

Not Yet Reviewed

Estimated Ship Date: Feb 19, 2026 if ordered today

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Estimated Ship Date: Feb 19, 2026 if ordered today

Dorman Exhaust Manifolds for 1993 SEVILLE, ELDORADO, 1994-1995 DEVILLE - 674-671

Exhaust Manifold, Front, Cast Iron, Natural, Cadillac, 4.5L, 4.9L, Each

Part Number: RNB-674-671

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Dorman Exhaust Manifolds 674-479

Exhaust Manifold

Part Number: RNB-674-479

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Dorman Exhaust Manifolds 674-732XD

Ceramic Manifold

Part Number: RNB-674-732XD

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Dorman Exhaust Manifolds for 2003-2004 CTS - 674-735

Exhaust Manifold, OEM Replacement, Cast Iron, Cadillac, Each

Part Number: RNB-674-735

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

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