Have Questions?
Professional-grade parts used trackside.
Expert help during business hours.
Encrypted checkout & trusted payments.
Orders ship quickly from regional warehouses.
Upgrade your GM SUV or truck with the CQ Premium Disc Brake Caliper with Bracket. This remanufactured cast iron caliper is engineered to meet or exceed OE specifications for reliable braking performance and long-lasting durability. Finished with a corrosion-resistant zinc-dichromate coating, it comes with EPDM seals, dust boots, and all necessary mounting hardware for an easier installation. Each unit is 100% pressure and fit tested to ensure out-of-the-box performance.
Compatible with Buick Rainier, Chevrolet Trailblazer, GMC Envoy, and Isuzu Ascender models, this caliper provides precise braking, enhanced safety, and dependable performance.
Dual phenolic piston floating disc brake caliper for GM SUVs (2006–2009)
Cast iron construction with OE-style zinc-dichromate coating for superior rust resistance
Includes mounting bracket, bleeder screws, banjo bolts, crush washers, and EPDM seals for complete installation
Pressure and fit tested for dependable braking performance
OE-quality replacement engineered for long-lasting durability
Abutment Clips Included: Yes
Anti-Rattle Spring Included: No
Caliper Color: Silver
Caliper Slides Included: Yes
Caliper Type: Floating
Casting Material: Cast Iron
Disc Brake Caliper Casting Material: Cast Iron
E-Waste: No
Finish: Coated
Grade Type: Standard Replacement
Grease Included: Yes
Inlet Thread Diameter: 10.0 mm
Mounting Bracket Included: Yes
Mounting Hardware Included: Yes
Mounting Hole Diameter: 14.0 mm
Pads Included: No
Piston 1 Diameter: 47.99 mm
Piston Material: Phenolic
Piston Quantity: 2
Buick: Rainier CXL (2006–2007)
Chevrolet: Trailblazer Base (2008), LS (2006–2007), LT (2006–2009)
GMC: Envoy SLE (2006–2009), SLT (2006–2009)
Isuzu: Ascender Base (2006), LS (2006), S (2007–2008)
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
