Product description More Premium Quality Brake Kit Selections for Your Car Rear Left Brake Caliper Add to Cart Rear Right Brake Caliper Add to Cart Rear Brake Calipers Add to Cart Rear Brake Kits Add to Cart Rear Brake Kits Add to Cart Customer Reviews 4.3 out of 5 stars 12 4.4 out of 5 stars 3 5.0 out of 5 stars 5 Price $ 59.29 $59. 29 $ 57.29 $57. 29 $ 90.29 $90. 29 $ 104.29 $104. 29 $ 206.29 $206. 29 Replace OE 18-B5030 18-B5031 18-B5030 18-B5031 18-B5030 18-B5031 D1194 18B5030 18B5031 D1194 55133 Replace Position Rear Driver Side Rear Passenger Side Rear Driver & Passenger Side Rear Driver & Passenger Side Rear Driver & Passenger Side Piston Size 50.88 mm(2") 50.88 mm(2") 50.88 mm(2") 50.88 mm(2") 50.88 mm(2") Inlet Port Size M10 x 1.0 M10 x 1.0 M10 x 1.0 M10 x 1.0 M10 x 1.0 Bleeder Port Size M10 x 1.0 M10 x 1.0 M10 x 1.0 M10 x 1.0 M10 x 1.0 Piston Material Phenolic Phenolic Phenolic Phenolic Phenolic Piston Count 1 Piston 1 Piston 1 Piston 1 Piston 1 Piston Bracket Included Yes Yes Yes Yes Yes Vehicle Fitment For Cadillac, For Chevy, For GMC For Cadillac, For Chevy, For GMC For Cadillac, For Chevy, For GMC For Cadillac, For Chevy, For GMC For Cadillac, For Chevy, For GMC Product Quantity 1 PC 1 PC 2 PCS 6 PCS 8 PCS