{"product_id":"powerstop-l4638a-disc-brake-caliper-front-left","title":"PowerStop L4638A Disc Brake Caliper - Front Left","description":"\u003ch2\u003ePowerStop Front OE Stock Replacement Caliper Overview\u003c\/h2\u003e\u003cp\u003eThe PowerStop - Front OE Stock Replacement Caliper (Part Number L4638A) is designed to provide reliable braking performance for select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles. Engineered as a direct OE replacement, this floating disc brake caliper ensures consistent stopping power and durability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCast iron caliper casting for strength and heat resistance\u003c\/li\u003e\n\u003cli\u003eSingle steel piston with a 63.50 mm diameter for effective brake force\u003c\/li\u003e\n\u003cli\u003eIncludes caliper slides and mounting bracket for proper fitment\u003c\/li\u003e\n\u003cli\u003eGray finish for corrosion resistance and OEM appearance\u003c\/li\u003e\n\u003cli\u003eCompatible with front brake systems on multiple GM models\u003c\/li\u003e\n\u003cli\u003eBleeder screw thread size M10 x 1.5 for standard brake bleeding\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis PowerStop front disc brake caliper is constructed from durable cast iron, providing the necessary rigidity and heat dissipation required for front brake applications. The floating caliper design allows for smooth piston movement and even pad wear. Featuring a single steel piston with a 63.50 mm diameter, this caliper delivers consistent hydraulic pressure to the brake pads, ensuring reliable stopping power. The caliper slides and mounting bracket are included to facilitate proper installation and alignment. Finished in gray, the caliper maintains a clean, OEM-style look while resisting corrosion over time.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis caliper is compatible with front brake systems on a range of GM vehicles, including Buick Aurora, Cadillac DeVille, Eldorado, Seville, Chevrolet Impala, Monte Carlo, Oldsmobile Intrigue, Pontiac Bonneville, LeSabre, Park Avenue, and Riviera. The PowerStop - Front OE Stock Replacement Caliper (L4638A) is designed to meet the exact specifications of these models, ensuring proper fit and function.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Caliper\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUneven or reduced braking performance due to worn or damaged calipers\u003c\/li\u003e\n\u003cli\u003eBrake fluid leaks from piston seals or caliper body\u003c\/li\u003e\n\u003cli\u003eCaliper sticking or binding causing uneven pad wear\u003c\/li\u003e\n\u003cli\u003eCorrosion or physical damage compromising caliper integrity\u003c\/li\u003e\n\u003cli\u003eNoise or vibration during braking caused by faulty caliper operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eBefore installation, verify compatibility with your vehicle’s make and model. This caliper includes the mounting bracket and caliper slides but does not include mounting hardware. Proper brake fluid bleeding is required using the M10 x 1.5 bleeder screw thread size. Inspect brake pads and rotors for wear and replace if necessary to ensure optimal braking performance. Follow manufacturer torque specifications for mounting bolts to maintain safety and reliability.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe PowerStop - Front OE Stock Replacement Caliper is manufactured to meet or exceed OEM standards for fit, form, and function. Constructed with high-quality cast iron and steel components, it is built for durability and consistent performance. While specific warranty details are not provided, PowerStop products typically undergo rigorous quality control to ensure reliability in automotive brake systems.\u003c\/p\u003e","brand":"PowerStop","offers":[{"title":"Default Title","offer_id":51813058412725,"sku":"BHKQ-L4638A","price":121.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/P8_L4638A_Fro.jpg?v=1775165663","url":"https:\/\/www.partcatalog.com\/products\/powerstop-l4638a-disc-brake-caliper-front-left","provider":"PartCatalog","version":"1.0","type":"link"}