PowerStop Disc Brake Caliper P/N:L4774
PowerStop L4799A front right brake caliper for the 2002-2005 Chevrolet Trailblazer 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 caliper that sticks, leaks fluid near the piston boot or wears the pads unevenly can be due for replacement. A pull to one side during braking doesn't prove the caliper is bad, since a tire problem can pull a car too.
The 2002-2005 Chevrolet Trailblazer, the 2004-2008 Isuzu Ascender and the 2006 Chevrolet SSR take this front right caliper, and so do many other vehicles. If your vehicle is not one of those three, find it in the "Vehicles it fits" section. PowerStop brake calipers are sold individually, so this listing is one caliper for the front right; the front left is a separate part, and the two on the front axle are normally replaced together.
Fit and size
Build and materials
One front right caliper with its caliper slides. The front right position takes one caliper, and the front left is ordered separately. Brake pads, mounting bolts, a mounting bracket, caliper grease and a pad wear sensor are not included, so plan on new mounting bolts.
Is this a 2004 Trailblazer caliper, and does it go on the front right?
Yes, PowerStop L4799A is the front right caliper for the 2002-2005 Chevrolet Trailblazer, so 2004 is covered; the front left needs a separate caliper.
Is this a 2003 Trailblazer front brake caliper that also fits the 2004-2008 Isuzu Ascender?
Yes. PowerStop L4799A fits the 2003 model within the 2002-2005 Chevrolet Trailblazer range and the 2004-2008 Isuzu Ascender, on the front right side.
Does the PowerStop L4799A caliper come with brake pads or mounting bolts?
No, this listing is one front right caliper with its slides. Pads, mounting bolts, a mounting bracket, caliper grease and a pad wear sensor are not included, so plan on new mounting bolts.
How many pistons does this floating caliper have, and how big are they?
This PowerStop L4799A floating caliper has two phenolic pistons, with a piston diameter of 44.96 mm.
Is the caliper body aluminum, and what are the dust boots made of?
The casting material of this front right caliper is aluminum. The dust boots are high temperature EPDM rubber.
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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.