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Dorman Brake Master Cylinders

4.48 out of 5 stars 277 Customer Reviews

Are you looking for a replacement brake master cylinder for your brake system? Dorman has you covered with their OEM replacement Dorman brake master cylinders. Dorman brake master cylinders deliver increased performance and reliability. Dorman has industry-leading brake master cylinder application coverage that is second to none. If you want maximum performance from your brake system, then you need one of these Dorman brake master cylinders.

Results 1 - 25 of 39

Master Cylinder, Brake, 34mm Bore, Cadillac, Chevy, GMC, Each

Part Number: DHB-M630031

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Master Cylinder, 1.00 in. Bore, Chevy, Pontiac, Oldsmobile, Each

Part Number: DHB-M21000

4.67 out of 5 stars ( 3 )

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Master Cylinder, Brake, Replacement, Each

Part Number: DHB-M630281

Not Yet Reviewed

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Master Cylinder, Brake, Aluminum, 37mm Bore, Cadillac, Chevy, GMC, Each

Part Number: DHB-M630035

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Master Cylinder, Brake, 30.00mm Bore, Cast Iron, Natural, Each

Part Number: DHB-M104456

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Master Cylinder, 1.00 in. Bore, Buick, Cadillac, Oldsmobile, Pontiac, Each

Part Number: DHB-M66712

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Brake Master Cylinder

Part Number: DHB-M66705

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Brake Master Cylinder

Part Number: DHB-M630557

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Brake Master Cylinder

Part Number: DHB-M630508

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Master Cylinder, Brake, Cast Iron, Natural, Replacement, 24mm Bore, Each

Part Number: DHB-M39584

Not Yet Reviewed

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Master Cylinder, Replacement, Cadillac/Buick, Oldsmobile, Pontiac, Each

Part Number: DHB-M39580

Not Yet Reviewed

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Brake Master Cylinder

Part Number: DHB-M630441

Not Yet Reviewed

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Master Cylinder, Brake, Cast Iron, Natural, Replacement, .875 in. Bore, Each

Part Number: DHB-M39583

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today

Master Cylinder, 1.125 in. Bore, Buick, Cadillac, Chevy, Each

Part Number: DHB-M390249

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today

New Master Cylinder

Part Number: DHB-M630915

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today

Brake Master Cylinder

Part Number: DHB-M39566

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today

Brake Master Cylinder

Part Number: DHB-M630453

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Master Cylinder, Dual, 1.125 in. Bore, Cast Iron, Natural, Buick, Cadillac, Pontiac, Each

Part Number: DHB-M101258

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Brake Master Cylinder, Buick, Cadillac, Oldsmobile, Pontiac, Each

Part Number: DHB-M390186

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Brake Master Cylinder, Aluminum, Natural, Cadillac, Each

Part Number: DHB-M631027

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Brake Master Cylinder, Aluminum, Natural, Cadillac, Each

Part Number: DHB-M631035

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Estimated Ship Date: Apr 1, 2026 if ordered today

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Brake Master Cylinder, Aluminum, Natural, Cadillac, Each

Part Number: DHB-M631034

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Master Cylinder, Brake, 1.000 in. Bore, Aluminum, Natural, Each

Part Number: DHB-M390129

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Master Cylinder, Aluminum, Natural, 1 in. Bore, GM, Each

Part Number: DHB-M390267

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Brake Master Cylinder

Part Number: DHB-M630284

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today