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Part #: L4799

PowerStop L4799 Disc Brake Caliper - Front Right

PowerStop - Front OE Stock Replacement Caliper, Front Right
21 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
PowerStop - Front OE Stock Replacement Caliper, Front Right
Fitment: Buick, Chevrolet, GMC, Isuzu, and Saab, 9-7x, Ascender, Envoy, Envoy XL, Envoy XUV, Rainier, SSR, and Trailblazer EXT
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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.

BrandPowerStop
Part NumberL4799
PositionPowerStop - Front OE Stock Replacement Caliper, Front Right
Mounting Hardware IncludedNo
Grade TypeRegular
Caliper Casting MaterialAluminum
Caliper Slides IncludedYes
Piston Quantity2
Caliper TypeFloating
Piston Diameter44.96
Caliper ColorGray
Mounting Bracket IncludedYes
Piston MaterialPhenolic
Bleeder Screw Thread SizeM10 x 1.0

This part fits 21 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006IsuzuAscender5.3LV8Front RightPowerStop - Front OE Stock Replacement Caliper
2005BuickRainier5.3LV8Front RightPowerStop - Front OE Stock Replacement Caliper
2005ChevroletSSRFront RightPowerStop - Front OE Stock Replacement Caliper
2005ChevroletTrailblazer EXTFront RightPowerStop - Front OE Stock Replacement Caliper
2005GMCEnvoy5.3LV8Front RightAutospecialty by PowerStop - Front Right Stock Replacement Brake Caliper
2005GMCEnvoy XLFront RightPowerStop - Front OE Stock Replacement Caliper
2005GMCEnvoy XUVFront RightPowerStop - Front OE Stock Replacement Caliper
2005IsuzuAscender5.3LV8Front RightPowerStop - Front OE Stock Replacement Caliper
2005Saab9-7x5.3LV8Front RightPowerStop - Front OE Stock Replacement Caliper
2004BuickRainier5.3LV8Front RightPowerStop - Front OE Stock Replacement Caliper
2004ChevroletSSRFront RightPowerStop - Front OE Stock Replacement Caliper
2004ChevroletTrailblazer EXTFront RightPowerStop - Front OE Stock Replacement Caliper
2004GMCEnvoy XLFront RightPowerStop - Front OE Stock Replacement Caliper
2004GMCEnvoy XUVFront RightPowerStop - Front OE Stock Replacement Caliper
2004IsuzuAscender5.3LV8Front RightPowerStop - Front OE Stock Replacement Caliper
2003ChevroletSSRFront RightPowerStop - Front OE Stock Replacement Caliper
2003ChevroletTrailblazer EXTFront RightPowerStop - Front OE Stock Replacement Caliper
2003GMCEnvoy XLFront RightPowerStop - Front OE Stock Replacement Caliper
2003IsuzuAscenderFront RightPowerStop - Front OE Stock Replacement Caliper
2002ChevroletTrailblazer EXTFront RightPowerStop - Front OE Stock Replacement Caliper
2002GMCEnvoy XLFront RightPowerStop - Front OE Stock Replacement Caliper

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.