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SKP SKBM390321 Brake Master Cylinder

Brand	SKP SKBM390321
Fits	Chevrolet and GMC · 14 vehicles

Brake master cylinder. Restores hydraulic pressure for dependable brake pedal response.

Cross-references Dorman - First Stop M390321 and 18029952 for the same application. See all 2.

$59.85Free shipping

In stock · usually ships same day before 1pm CST

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Brake Master Cylinder for Astro and Safari

Restore consistent hydraulic pressure with this SKP brake master cylinder, part number SKBM390321. It is a direct-fit brake hydraulics replacement for select Chevrolet Astro and GMC Safari vans with a 1.25-inch bore.

Key Features

Brake master cylinder for hydraulic brake system service
1.25-inch bore for the listed applications
Direct replacement for select 1996-2002 Chevrolet Astro and GMC Safari models
Cross-references Dorman - First Stop M390321 and 18029952 for the same application
SKBM390321 part number for ordering and catalog lookup

Detailed Description

The SKP SKBM390321 brake master cylinder is built for vehicles that need reliable brake fluid pressure transfer from the pedal to the hydraulic system. Compatible with 1996-2002 Chevrolet Astro and 1996-2002 GMC Safari, this master cylinder uses a 1.25-inch bore to match the listed fitment requirements. If you are servicing a Chevrolet Astro or GMC Safari brake system, SKBM390321 provides the correct application-specific replacement path.

What It Helps Solve

Low or inconsistent brake pedal response
Internal master cylinder leakage
Brake fluid bypass within the hydraulic circuit
Brake warning concerns related to master cylinder wear

Installation Notes and Tips

Verify bore size and vehicle fitment before installation. After replacement, bleed the brake system thoroughly and inspect all hydraulic connections for leaks. Confirm proper pedal feel and brake operation before returning the vehicle to service.

Quality Assurance

SKP brake hydraulics parts are cataloged for specific vehicle applications to support accurate replacement selection. This part cross-references Dorman - First Stop M390321 for the same application.

This part fits 14 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Notes
2002	Chevrolet	Astro	Bore: 1.25 In.
2002	GMC	Safari	Bore: 1.25 In.
2001	Chevrolet	Astro	Bore: 1.25 In.
2001	GMC	Safari	Bore: 1.25 In.
2000	Chevrolet	Astro	Bore: 1.25 In.
2000	GMC	Safari	Bore: 1.25 In.
1999	Chevrolet	Astro	Bore: 1.25 In.
1999	GMC	Safari	Bore: 1.25 In.
1998	Chevrolet	Astro	Bore: 1.25 In.
1998	GMC	Safari	Bore: 1.25 In.
1997	Chevrolet	Astro	Bore: 1.25 In.
1997	GMC	Safari	Bore: 1.25 In.
1996	Chevrolet	Astro	Bore: 1.25 In.
1996	GMC	Safari	Bore: 1.25 In.
No rows match your filter.

Directly replaces or cross-references 2 part numbers

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

Dorman - First Stop — M39032118029952