SSBC-USA brake master cylinder assembly for GM 1990–1993 1-ton DRW, 1-1/4 inch bore, new automotive brake part
SSBC-USA brake master cylinder assembly with 1-1/4 inch bore for GM 1990–1993 1-ton DRW trucks, showing metal and mounting components.
SSBC-USA brake master cylinder assembly for GM 1990–1993 1-ton DRW, 1-1/4 inch bore, new automotive brake part
SSBC-USA brake master cylinder assembly with 1-1/4 inch bore for GM 1990–1993 1-ton DRW trucks, showing metal and mounting components.

Master Cylinder Assembly. 1-1/4 Bore GM 1990–1993 1-Ton DRW – 0459

SKU- 0459

$188.00
/
Shipping calculated at checkout.

1990–1993 GM 1-Ton DRW 1-1/4-Inch Bore Master Cylinder – 0459

1-1/4-inch bore master cylinder for compatible 1990–1993 GM 1-ton dual-rear-wheel truck applications.

Product Details

  • Part number: 0459
  • 1-1/4-inch master-cylinder bore
  • Vehicle application: compatible 1990–1993 GM 1-ton trucks
  • Drivetrain/application detail: dual rear wheel (DRW)

Brake System & Fitment

Master-cylinder bore, ports and hydraulic requirements must match the complete brake system. Confirm model year, 1-ton DRW configuration, 1-1/4-inch bore requirement, ports and current brake-system setup before ordering.

Bench Bleeding Required

Bench bleed the master cylinder in a vise before installation. Use clean brake fluid specified for the application, keep the return hoses submerged in the reservoir, and slowly stroke the piston until air bubbles are eliminated. Do not allow the reservoir to run dry, and bleed the complete brake system after installation.

Manufacturing Information

This master cylinder is sourced by SSBC-USA and is not manufactured in-house in Elma, New York. Contact Customer Service for confirmed country-of-origin information.

✔ Fitment Confidence: Confirm DRW configuration, bore size, ports and brake-system compatibility before ordering. Call (716) 775-6700 if uncertain.

🚚 Shipping: Ships from Elma, NY. Processing time is subject to availability and supplier timing.

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Frequently Asked Questions

How do I confirm this product fits my vehicle or brake system?

Review the fitment information on this page and confirm your year, make, model, drivetrain, wheel clearance, and current brake configuration where applicable. If you are unsure, call SSBC-USA technical support at (716) 775-6700 before ordering.

What is included with this product?

The included components are listed in the product description above. If a component is not specifically listed or you need help identifying what is required for your application, call SSBC-USA at (716) 775-6700.

How long will this product take to ship?

This item is configured to order at our Elma, New York facility. Production and configuration typically take 5–10 business days, although supply constraints can occasionally cause additional delays. Exact shipping cost is calculated at checkout.

Where can I get technical or order support?

Call SSBC-USA at (716) 775-6700 or email orders@ssbc-usa.com. Please include your product or order number when available.