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PowerStop L4799 Disc Brake Caliper - Front Right
PowerStop Front OE Stock Replacement Caliper Overview
The PowerStop - Front OE Stock Replacement Caliper (Part Number L4799) is engineered to provide reliable braking performance for select GM and related vehicles. Designed as a direct OE replacement, this floating disc brake caliper ensures consistent stopping power and durability for models like the Chevrolet Trailblazer EXT and GMC Envoy.
- Floating caliper design with two phenolic pistons (44.96 mm diameter)
- Constructed from lightweight aluminum casting for corrosion resistance
- Includes caliper slides and mounting bracket for proper fitment
- Gray finish for corrosion protection and OEM appearance
- Compatible with Buick, Chevrolet, GMC, Isuzu, and Saab models
- Bleeder screw thread size M10 x 1.0 for standard brake bleeding
- Grade type: Regular for everyday driving conditions
Detailed Product Description
This PowerStop front disc brake caliper is designed to meet OE specifications for a range of vehicles including the Buick Rainier, Chevrolet SSR, GMC Envoy XL, Isuzu Ascender, and Saab 9-7x. The floating caliper type features two phenolic pistons with a diameter of 44.96 mm, which helps reduce heat transfer to the brake fluid, improving overall brake system longevity. The aluminum caliper casting offers a balance of strength and weight savings, while the gray finish provides corrosion resistance to extend service life. Included caliper slides and mounting bracket ensure proper installation and alignment, maintaining consistent brake pad contact and performance.
PowerStop - Front OE Stock Replacement Caliper Product Line
The PowerStop - Front OE Stock Replacement Caliper line focuses on delivering direct-fit replacements that match original equipment specifications. This product line is designed to provide dependable braking performance without modification, making it suitable for routine maintenance and repair on compatible vehicles. The L4799 caliper exemplifies this approach by combining OE-quality materials and design features tailored for front brake applications on select GM and related models.
Common Applications and Problem Solving
- Replacement for worn or seized front disc brake calipers
- Addresses uneven brake pad wear due to caliper slide issues
- Resolves brake fluid leaks from damaged phenolic pistons
- Improves braking consistency on Buick Rainier and GMC Envoy models
- Restores proper brake function on Chevrolet Trailblazer EXT and Isuzu Ascender
Installation Notes and Tips
Ensure the brake system is fully depressurized before removing the old caliper. This caliper includes the mounting bracket and slides but does not come with additional mounting hardware, so verify you have the necessary bolts and tools. Bleed the brake system thoroughly after installation using the M10 x 1.0 bleeder screw thread size to remove air and maintain optimal brake performance. Inspect brake pads and rotors for wear and replace if necessary to ensure proper operation.
Quality Assurance and Warranty
PowerStop manufactures this caliper to meet or exceed OE standards for fit, form, and function. The use of aluminum casting and phenolic pistons supports durability and corrosion resistance. While specific warranty details are not provided here, PowerStop products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | PowerStop |
|---|---|
| Part Number | L4799 |
| Position | PowerStop - Front OE Stock Replacement Caliper, Front Right |
| Mounting Hardware Included | No |
| Grade Type | Regular |
| Caliper Casting Material | Aluminum |
| Caliper Slides Included | Yes |
| Piston Quantity | 2 |
| Caliper Type | Floating |
| Piston Diameter | 44.96 |
| Caliper Color | Gray |
| Mounting Bracket Included | Yes |
| Piston Material | Phenolic |
| Bleeder Screw Thread Size | M10 x 1.0 |
This part fits 21 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | Isuzu | Ascender | 5.3L | V8 | Front Right | PowerStop - Front OE Stock Replacement Caliper |
| 2005 | Buick | Rainier | 5.3L | V8 | Front Right | PowerStop - Front OE Stock Replacement Caliper |
| 2005 | Chevrolet | SSR | Front Right | PowerStop - Front OE Stock Replacement Caliper | ||
| 2005 | Chevrolet | Trailblazer EXT | Front Right | PowerStop - Front OE Stock Replacement Caliper | ||
| 2005 | GMC | Envoy | 5.3L | V8 | Front Right | Autospecialty by PowerStop - Front Right Stock Replacement Brake Caliper |
| 2005 | GMC | Envoy XL | Front Right | PowerStop - Front OE Stock Replacement Caliper | ||
| 2005 | GMC | Envoy XUV | Front Right | PowerStop - Front OE Stock Replacement Caliper | ||
| 2005 | Isuzu | Ascender | 5.3L | V8 | Front Right | PowerStop - Front OE Stock Replacement Caliper |
| 2005 | Saab | 9-7x | 5.3L | V8 | Front Right | PowerStop - Front OE Stock Replacement Caliper |
| 2004 | Buick | Rainier | 5.3L | V8 | Front Right | PowerStop - Front OE Stock Replacement Caliper |
| 2004 | Chevrolet | SSR | Front Right | PowerStop - Front OE Stock Replacement Caliper | ||
| 2004 | Chevrolet | Trailblazer EXT | Front Right | PowerStop - Front OE Stock Replacement Caliper | ||
| 2004 | GMC | Envoy XL | Front Right | PowerStop - Front OE Stock Replacement Caliper | ||
| 2004 | GMC | Envoy XUV | Front Right | PowerStop - Front OE Stock Replacement Caliper | ||
| 2004 | Isuzu | Ascender | 5.3L | V8 | Front Right | PowerStop - Front OE Stock Replacement Caliper |
| 2003 | Chevrolet | SSR | Front Right | PowerStop - Front OE Stock Replacement Caliper | ||
| 2003 | Chevrolet | Trailblazer EXT | Front Right | PowerStop - Front OE Stock Replacement Caliper | ||
| 2003 | GMC | Envoy XL | Front Right | PowerStop - Front OE Stock Replacement Caliper | ||
| 2003 | Isuzu | Ascender | Front Right | PowerStop - Front OE Stock Replacement Caliper | ||
| 2002 | Chevrolet | Trailblazer EXT | Front Right | PowerStop - Front OE Stock Replacement Caliper | ||
| 2002 | GMC | Envoy XL | Front Right | PowerStop - Front OE Stock Replacement Caliper |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.