# EBC Brakes UD508 Ultimax OEM Replacement Rear Brake Pads for 1991-1996 Buick Regal Custom Gran Sport ### Performance Overview EBC Brakes UD508 Ultimax OEM Replacement Rear Brake Pads for 1991-1996 Buick Regal Custom Gran Sport is a vehicle-specific brake pads designed for 1991-1996 Buick Regal Custom Gran Sport, Cadillac Allante, Cadillac Deville, Cadillac Eldorado, Cadillac Seville, Cadillac Seville Sls Sts 4.6L, Chevrolet Lumina Z34 3.4L, Chevrolet Lumina Euro Z34 3.4L. The EBC Ultimax Brake Pads comes as a replacement for stock brake pads. The pads are designed to be silent with shims and beveled edges to ensure that the volume is turned down on your pedal. Edge lifting is prevented by the chamfered rims keeping it safe from corrosion and pad separation. Plus, it is guaranteed not to give that very embarrassing, ear-piercing shriek. The EBC Ultimax Brake Pads has a blend of synthetic and metallic fibers that will provide a firm bite, longer pad life, and powerful but very quiet braking. It also comes with a brake-in surface coating for an immediate bedding, plus the center-line slot will prevent cracks that you get from heat exposure. It is the best and economical way to have a peace of mind knowing that you have ### Key Features - Designed as a vehicle-specific replacement for compatible applications - Helps restore dependable performance for daily driving - Application-focused fitment helps support straightforward installation - Built for reliable operation and consistent response - Recommended to verify year, make, model, and position before ordering ### Vehicle Fitment **Fitment Summary:** 1991-1996 Buick Regal Custom Gran Sport, Cadillac Allante, Cadillac Deville, Cadillac Eldorado, Cadillac Seville, Cadillac Seville Sls Sts 4.6L, Chevrolet Lumina Z34 3.4L, Chevrolet Lumina Euro Z34 3.4L **Position:** Rear - 1994-1995 Buick Regal Custom Gran Sport— Position: Rear - 1996 Buick Regal Custom Gran Sport— Position: Rear - 1993 Cadillac Allante— Position: Rear - 1994-1995 Cadillac Deville— Position: Rear - 1996 Cadillac Deville— Position: Rear - 1992 Cadillac Eldorado— Position: Rear - 1993 Cadillac Eldorado— Position: Rear - 1994 Cadillac Eldorado— Position: Rear - 1995-1996 Cadillac Eldorado— Position: Rear - 1992 Cadillac Seville— Position: Rear - 1993 Cadillac Seville— Position: Rear - 1994-1996 Cadillac Seville Sls Sts 4.6L— Position: Rear - 1991 Chevrolet Lumina Z34 3.4L— Position: Rear - 1992-1994 Chevrolet Lumina Euro Z34 3.4L— Position: Rear - 1995 Chevrolet Lumina— Position: Rear - 1994 Oldsmobile Cutlass Supreme— Position: Rear - 1995-1996 Oldsmobile Cutlass Supreme— Position: Rear - 1992 Oldsmobile Toronado— Position: Rear - 1994 Pontiac Grand Prix— Position: Rear - 1995 Pontiac Grand Prix— Position: Rear - 1996 Pontiac Grand Prix— Position: Rear ### FAQ **Will this fit my vehicle?** Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase. This listing includes fitment data for 1991-1996 Buick Regal Custom Gran Sport, Cadillac Allante, Cadillac Deville, Cadillac Eldorado, Cadillac Seville, Cadillac Seville Sls Sts 4.6L, Chevrolet Lumina Z34 3.4L, Chevrolet Lumina Euro Z34 3.4L. **What part number is this?** The listed part number is UD508. **Is this product designed for direct replacement?** Yes. This product is intended to match compatible vehicle applications listed in the fitment section. **Should I confirm fitment before ordering?** Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering. ### Common Searches - brake pads for Buick Regal Custom Gran Sport - rear brake pads for 1994 Regal Custom Gran Sport - EBC Brakes UD508 fitment - UD508 rear brake pads - ultimax oem replacement rear brake pads for Buick Regal Custom Gran Sport ### Vehicle Fitment Table Year Make Model Position 1994 Buick Regal Custom Gran Sport Rear 1995 Buick Regal Custom Gran Sport Rear 1996 Buick Regal Custom Gran Sport Rear 1993 Cadillac Allante Rear 1994 Cadillac Deville Rear 1995 Cadillac Deville Rear 1996 Cadillac Deville Rear 1992 Cadillac Eldorado Rear 1993 Cadillac Eldorado Rear 1994 Cadillac Eldorado Rear 1995 Cadillac Eldorado Rear 1996 Cadillac Eldorado Rear 1992 Cadillac Seville Rear 1993 Cadillac Seville Rear 1994 Cadillac Seville Sls Sts 4.6L Rear 1995 Cadillac Seville Sls Sts 4.6L Rear 1996 Cadillac Seville Sls Sts 4.6L Rear 1991 Chevrolet Lumina Z34 3.4L Rear 1992 Chevrolet Lumina Euro Z34 3.4L Rear 1993 Chevrolet Lumina Euro Z34 3.4L Rear 1994 Chevrolet Lumina Euro Z34 3.4L Rear 1995 Chevrolet Lumina Rear 1994 Oldsmobile Cutlass Supreme Rear 1995 Oldsmobile Cutlass Supreme Rear 1996 Oldsmobile Cutlass Supreme Rear 1992 Oldsmobile Toronado Rear 1994 Pontiac Grand Prix Rear 1995 Pontiac Grand Prix Rear 1996 Pontiac Grand Prix Rear ## Details - **Price:** 66.27 CAD - **Vendor:** EBC Brakes - **Type:** Brake Pads - **Tags:** 1991 Chevrolet Lumina Z34 3.4L, 1992 Cadillac Eldorado, 1992 Cadillac Seville, 1992 Chevrolet Lumina Euro Z34 3.4L, 1993 Cadillac Allante, 1993 Cadillac Eldorado, 1993 Cadillac Seville, 1993 Chevrolet Lumina Euro Z34 3.4L, 1994 Buick Regal Custom Gran Sport, 1994 Cadillac Deville, 1994 Cadillac Eldorado, 1994 Cadillac Seville Sls Sts 4.6L, 1995 Buick Regal Custom Gran Sport, 1995 Cadillac Deville, 1995 Cadillac Eldorado, 1995 Cadillac Seville Sls Sts 4.6L, 1996 Buick Regal Custom Gran Sport, 1996 Cadillac Deville, 1996 Cadillac Eldorado, 1996 Cadillac Seville Sls Sts 4.6L, Automotive Parts, Brake Pads, Brake Performance, Daily Driving, Direct Replacement, EBC Brakes, EBC Brakes UD508, Rear, UD508, Ultimax OEM Replacement Rear Brake Pads, Vehicle Fitment ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 66.27 CAD | In stock | ## Images - EBC Brakes UD508 Ultimax OEM Replacement Rear Brake Pads for 1991-1996 Buick Regal Custom Gran Sport product image --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/ebc-brakes-ud508-ultimax-oem-replacement-rear-brake-pads-for-1991-1996-buick-regal-custom-gran-sport-ud508) > Updated: 2026-07-14