HomeBrake > Brake HydraulicsDorman W619012 Drum Brake Wheel Cylinder - Rear Left or Rear Right
Part #: W619012

Dorman W619012 Drum Brake Wheel Cylinder - Rear Left or Rear Right

Rear Left and Rear Right
⚙️ 14 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$37.04Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Pontiac, Matiz
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Drum Brake Wheel Cylinder for Pontiac Matiz

The Dorman W619012 drum brake wheel cylinder is engineered to restore proper braking function for your Pontiac Matiz. Designed with durable cast iron construction and precise specifications, this component ensures consistent hydraulic pressure within the brake system.

  • Includes bleeder screw for easy brake fluid bleeding
  • Brake line inlet thread diameter: 10 mm
  • Brake component inlet thread size: M10 x 1.0 with 1.0 thread pitch
  • Bore diameter of 0.688 inches for accurate fitment
  • Constructed from cast iron for strength and durability
  • Package contains one drum brake wheel cylinder

Detailed Product Description

The Dorman W619012 drum brake wheel cylinder is specifically designed for the Pontiac Matiz, providing a precise fit and reliable performance. Its cast iron casting material offers resistance to wear and corrosion, essential for maintaining brake system integrity. The bore diameter of 0.688 inches ensures proper piston movement, while the M10 x 1.0 brake line inlet thread size and 10 mm thread diameter allow for secure hydraulic connections. The included bleeder screw facilitates efficient removal of air from the brake lines, improving brake responsiveness. This wheel cylinder is a critical component in the brake hydraulics system, converting hydraulic pressure into mechanical force to engage the brake shoes.

Common Applications and Issues Addressed

  • Restores braking performance in Pontiac Matiz drum brake systems
  • Replaces leaking or seized wheel cylinders causing brake fluid loss
  • Eliminates spongy brake pedal feel due to air in brake lines
  • Addresses uneven brake shoe wear from faulty hydraulic pressure
  • Prevents brake drag caused by stuck pistons within the cylinder

Installation Notes and Tips

When installing the Dorman W619012 wheel cylinder, ensure the brake system is properly bled using the included bleeder screw to remove any trapped air. Verify thread compatibility with the brake line inlet (M10 x 1.0) before installation. Inspect brake shoes and hardware for wear or damage during replacement. Proper torque specifications should be followed to avoid damage to threads or components.

Quality Assurance and Warranty

Dorman manufactures the W619012 wheel cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction provides durability under typical operating conditions. While specific warranty details are not provided, Dorman products generally come with a limited warranty against defects in material and workmanship.

BrandDorman
Part NumberW619012
Bleeder Screw IncludedYes
Brake Line Inlet Thread Diameter10
Bleeder Screw Cap IncludedNo
Casting MaterialCast iron
Bore Diameter0.688
Brake Component Inlet Thread SizeM10 x 1.0
Package Contents1 drum brake wheel cylinder
Thread Pitch1.0

This part fits 14 vehicles. Search below:

YearMakeModelPositionNotes
2010PontiacMatizRear LeftFits drum brakes with 11/16" bore size.
2010PontiacMatizRear RightFits drum brakes with 11/16" bore size.
2009PontiacMatizRear LeftFits drum brakes with 11/16" bore size.
2009PontiacMatizRear RightFits drum brakes with 11/16" bore size.
2008PontiacMatizRear LeftFits drum brakes with 11/16" bore size.
2008PontiacMatizRear RightFits drum brakes with 11/16" bore size.
2007PontiacMatizRear LeftFits drum brakes with 11/16" bore size.
2007PontiacMatizRear RightFits drum brakes with 11/16" bore size.
2006PontiacMatizRear LeftFits drum brakes with 11/16" bore size.
2006PontiacMatizRear RightFits drum brakes with 11/16" bore size.
2005PontiacMatizRear LeftFits drum brakes with 11/16" bore size.
2005PontiacMatizRear RightFits drum brakes with 11/16" bore size.
2004PontiacMatizRear LeftFits drum brakes with 11/16" bore size.
2004PontiacMatizRear RightFits drum brakes with 11/16" bore size.

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

This part directly replaces or is cross-referenced with the following part numbers:

134.9902496320670LC3700914

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