Dorman Exhaust Manifolds

4.33 out of 5 stars 516 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.

Showing In Stock Items. Show All 13 Items.

Results 1 - 12 of 12

Dorman Exhaust Manifolds 674-188

Exhaust Manifold Kit, Cast Iron, Gaskets, Hardware, International, 345, Each

Part Number: RNB-674-188

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Dorman Exhaust Manifolds 674-501

Exhaust Manifold, Chevy, 283, 350, Each

Part Number: RNB-674-501

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Dorman Exhaust Manifolds 674-173

Exhaust Manifold, Ford, Car, Pickup, SUV, Van, 240, 300, Each

Part Number: RNB-674-173

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Dorman Exhaust Manifolds 674-159

Exhaust Manifold, Chevy, GMC, Pickup, SUV, Van, 7.4L, Driver Side Manifold, Each

Part Number: RNB-674-159

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Dorman Exhaust Manifolds 674-244

Exhaust Manifold, OEM Replacement, Cast Iron, Chevy, GMC, Big Block, Passenger Side, Each

Part Number: RNB-674-244

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Dorman Exhaust Manifolds 674-240

Exhaust Manifold, OEM Replacement, Cast Iron, Natural, Ford, Ford, Big Block FE, Passenger Side, Each

Part Number: RNB-674-240

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Dorman Exhaust Manifolds 674-235

Exhaust Manifold, Cast Iron, Natural, AMC, Jeep, 199, 232, 258, Each

Part Number: RNB-674-235

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Dorman Exhaust Manifolds 674-203

Exhaust Manifold, Cast Iron, Natural, Chevy, GMC, Pickup, SUV, Van, Small Block, Driver Side, Each

Part Number: RNB-674-203

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

Dorman Exhaust Manifolds 674-241

Exhaust Manifold, OEM Replacement, Cast Iron, Natural, Ford, Big Block FE, Driver Side, Each

Part Number: RNB-674-241

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Dorman Exhaust Manifolds 674-275

Exhaust Manifold, Cast Iron, Dodge, Plymouth, 400, 440, Passenger Side, Each

Part Number: RNB-674-275

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Dorman Exhaust Manifolds 674-176

Exhaust Manifold, Cast Iron, Natural, Dodge, Plymouth, 400, 440, Driver Side, Each

Part Number: RNB-674-176

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Dorman Exhaust Manifolds 674-187

Exhaust Manifold Kit, Cast Iron, Gaskets, Hardware, International, 392, Each

Part Number: RNB-674-187

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

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