Quality-Built NM1857 Cast Iron Brake Master Cylinder with Reservoir

The Quality-Built NM1857 is a 100% new cast iron brake master cylinder engineered to restore full hydraulic braking performance. Designed as a direct OE replacement, this unit is manufactured to match original equipment specifications for a precise fit and straightforward installation. It is rated for use with front disc brake systems and ships complete with the reservoir included.

Key Features:

• Cast iron construction with a 1.0 in. bore diameter for durable, long-lasting performance
• 100% new EPDM seals and O-rings maintain consistent brake pressures for reliable stopping power
• Micro-finished bores and pistons deliver smooth, consistent pedal feel
• 100% pressure tested on computerized equipment before leaving the factory
• Reservoir included — constructed from durable high-strength plastic for improved resistance to thermal fatigue
• 2 mounting holes for direct bolt-on installation
• Strict end-of-line quality inspections ensure every unit is defect-free
• Backed by over 50 years of Quality-Built engineering experience

Specifications:

• Part Number: NM1857
• UPC: 029175933845
• Material: Cast Iron
• Bore Diameter: 1.0 in.
• Mounting Holes: 2
• Reservoir Included: Yes
• Manufacturer Label: New with front disc brakes

Quality-Built brake master cylinders are assembled from premium materials and 100% end-of-line certified to meet or exceed OE specifications, making the NM1857 a dependable choice for a complete brake system restoration.