PowerStop L4878 front right brake caliper for the 2005-2008 Cadillac STS and other vehicles clamps the pads against the rotor to slow the wheel. This floating disc brake caliper has two pistons and bolts on in place of the original stock caliper.
A sticking or leaking caliper can show up as the car pulling to one side under braking, uneven pad wear or brake fluid around the wheel. Those signs alone do not prove the caliper is at fault; low tire pressure can pull a car sideways too.
This brake caliper fits the 2005-2008 Cadillac STS and the 2003-2007 Cadillac CTS. The 2005-2008 Cadillac STS takes one caliper on the front right; this listing is that one caliper, and the front left is a separate part that is normally replaced at the same time.
Fit and size
Build and materials
One front right brake caliper with caliper slides and a bleeder screw. Brake pads, mounting bracket, mounting hardware, mounting bolts, pad wear sensor and caliper grease are not included; plan on new fasteners, since the old ones may not be reusable.
Is this front right brake caliper right for the 2003-2007 Cadillac CTS?
Yes. PowerStop L4878 is a front right caliper that fits the 2003-2007 Cadillac CTS, and it also fits the 2005-2008 Cadillac STS.
Are PowerStop brake calipers like this one sold as a pair?
No. The PowerStop L4878 listing is one front right caliper, sold individually; the front left is a separate part.
Does this caliper include brake pads or a mounting bracket?
No. This front right caliper comes with caliper slides and a bleeder screw; pads, bracket, mounting hardware and mounting bolts are not included.
What piston material and size does this caliper have?
This floating caliper has two steel pistons with a 41.91 mm piston diameter, in an aluminum casting.
What are the dust boots on this PowerStop caliper made of?
The dust boots are high temperature EPDM rubber. PowerStop L4878 is also 100% pressure tested and inspected.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
