{"product_id":"powerstop-l4644-disc-brake-caliper-rear-left","title":"PowerStop L4644 Disc Brake Caliper - Rear Left","description":"\u003ch2\u003ePowerStop Rear OE Stock Replacement Caliper Overview\u003c\/h2\u003e\u003cp\u003eThe PowerStop - Rear OE Stock Replacement Caliper (Part Number L4644) is designed to provide reliable braking performance for select Buick, Chevrolet, Oldsmobile, and Pontiac models. Engineered as a direct OE replacement, this rear disc brake caliper ensures consistent stopping power and durability for vehicles like the Buick LaCrosse and Chevrolet Impala.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCast iron caliper casting for strength and heat resistance\u003c\/li\u003e\n\u003cli\u003eFloating caliper design with one steel piston (38.10 mm diameter)\u003c\/li\u003e\n\u003cli\u003eIncludes caliper slides and mounting bracket for proper fitment\u003c\/li\u003e\n\u003cli\u003eGray finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eBleeder screw thread size M10 x 1.5 for standard brake bleeding\u003c\/li\u003e\n\u003cli\u003eCompatible with Buick Allure, Chevrolet Monte Carlo, Oldsmobile Intrigue, Pontiac Grand Prix, and other models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis PowerStop rear disc brake caliper features a cast iron construction that offers durability and effective heat dissipation under braking conditions. The floating caliper design incorporates a single steel piston with a 38.10 mm diameter, providing consistent clamping force on the brake pads. Included caliper slides and mounting bracket ensure proper alignment and secure installation on the rear brake assembly. The gray finish helps protect the caliper from corrosion, extending its service life. The bleeder screw with an M10 x 1.5 thread size allows for straightforward brake fluid bleeding during maintenance.\u003c\/p\u003e\u003ch2\u003ePowerStop - Rear OE Stock Replacement Caliper Product Line\u003c\/h2\u003e\u003cp\u003eThe PowerStop - Rear OE Stock Replacement Caliper line focuses on delivering direct-fit replacement parts that meet original equipment specifications. This product line is designed to restore braking performance to factory standards without requiring modifications. Part number L4644 is part of this line, providing a reliable option for rear brake caliper replacement on various GM vehicles.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or leaking rear brake calipers\u003c\/li\u003e\n\u003cli\u003eRestores proper brake pad alignment and caliper movement\u003c\/li\u003e\n\u003cli\u003eEliminates brake drag caused by seized caliper slides or pistons\u003c\/li\u003e\n\u003cli\u003eAddresses uneven brake pad wear due to caliper malfunction\u003c\/li\u003e\n\u003cli\u003eImproves rear braking response and safety on Buick, Chevrolet, Oldsmobile, and Pontiac models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify compatibility with your specific vehicle make and model before installation\u003c\/li\u003e\n\u003cli\u003eEnsure the brake system is properly bled using the M10 x 1.5 bleeder screw thread size\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and rotors for wear and replace if necessary during caliper installation\u003c\/li\u003e\n\u003cli\u003eUse appropriate torque specifications for mounting bracket and caliper bolts\u003c\/li\u003e\n\u003cli\u003eCheck caliper slides for smooth operation before final assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003ePowerStop manufactures this rear OE stock replacement caliper to meet or exceed original equipment standards. The cast iron construction and steel piston materials are selected for durability and consistent performance. While specific warranty details are not provided, PowerStop products typically come with manufacturer-backed quality assurance to support reliable operation in automotive brake systems.\u003c\/p\u003e","brand":"PowerStop","offers":[{"title":"Default Title","offer_id":51809491321013,"sku":"BHKQ-L4644","price":83.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/P8_L4644_Fro.jpg?v=1775165379","url":"https:\/\/www.partcatalog.com\/products\/powerstop-l4644-disc-brake-caliper-rear-left","provider":"PartCatalog","version":"1.0","type":"link"}