OE Quality
60-Day Returns

PowerStop L4600 Disc Brake Caliper - Front Left
PowerStop Front OE Stock Replacement Caliper Overview
The PowerStop - Front OE Stock Replacement Caliper (Part Number L4600) is designed to provide reliable braking performance for a range of GM vehicles. Engineered as a direct OE replacement, this floating disc brake caliper ensures consistent stopping power and durability for models including Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac.
- Cast iron caliper casting for strength and heat resistance
- Single steel piston with a 63.50 mm diameter for effective braking force
- Floating caliper design for smooth operation and even pad wear
- Includes caliper slides for proper movement and alignment
- Gray finish for corrosion resistance and OEM appearance
- Compatible with multiple GM models such as Buick LeSabre, Cadillac DeVille, Chevrolet Camaro, and Pontiac Firebird
- Bleeder screw thread size M10 x 1.5 for standard brake bleeding procedures
Product Line Details: PowerStop - Front OE Stock Replacement Caliper
The PowerStop - Front OE Stock Replacement Caliper line focuses on delivering direct-fit replacements that meet original equipment specifications. This product line is tailored for front disc brake applications, providing a balance of durability and performance without requiring modifications. The L4600 caliper maintains factory-grade materials and design, ensuring compatibility and reliable braking for a variety of GM vehicles.
Technical Description and Features
This disc brake caliper features a cast iron construction that offers robust strength and excellent heat dissipation, essential for maintaining braking efficiency under demanding conditions. The single steel piston with a 63.50 mm diameter applies consistent pressure to the brake pads, while the floating caliper design allows for slight lateral movement to accommodate rotor variations and reduce uneven pad wear. Included caliper slides ensure smooth caliper operation and proper alignment during braking. The gray finish provides corrosion resistance, helping to extend the caliper's service life.
Compatible Vehicles and Applications
- Buick models including LeSabre, Park Avenue, and Regal
- Cadillac models such as DeVille, Eldorado, Seville, and LSS
- Chevrolet models including Camaro, Lumina APV, and Silhouette
- Oldsmobile 88 and 98 series
- Pontiac Firebird, Bonneville, and Trans Sport
Common Issues Addressed by This Caliper
- Uneven or reduced braking performance due to worn or damaged calipers
- Brake fluid leaks from piston seals or caliper body
- Caliper sticking or binding causing uneven pad wear
- Corrosion or physical damage compromising caliper integrity
- Noise or vibration during braking linked to caliper malfunction
Installation Notes and Tips
When installing the PowerStop L4600 caliper, ensure the brake system is properly bled using the M10 x 1.5 bleeder screw thread size to remove air and maintain hydraulic pressure. Note that mounting hardware and brackets are not included and should be reused or replaced as needed. Verify caliper slides are clean and lubricated to allow smooth movement. Always follow manufacturer torque specifications and safety procedures during installation.
Quality Assurance and Warranty
PowerStop manufactures the L4600 caliper to meet or exceed OEM standards, using cast iron and steel materials for durability and performance. While specific warranty details are not provided here, PowerStop products typically come with a limited warranty against defects in materials and workmanship. For exact warranty terms, consult the product documentation or manufacturer.
| Brand | PowerStop |
|---|---|
| Part Number | L4600 |
| Position | PowerStop - Front OE Stock Replacement Caliper, Front Left |
| Mounting Hardware Included | No |
| Grade Type | Regular |
| Caliper Casting Material | Cast iron |
| Caliper Slides Included | Yes |
| Piston Quantity | 1 |
| Caliper Type | Floating |
| Piston Diameter | 63.50 |
| Caliper Color | Gray |
| Mounting Bracket Included | No |
| Piston Material | Steel |
| Bleeder Screw Thread Size | M10 x 1.5 |
This part fits 60 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1999 | Buick | LeSabre | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1999 | Oldsmobile | 88 | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1999 | Oldsmobile | LSS | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1999 | Pontiac | Bonneville | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1998 | Buick | LeSabre | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1998 | Oldsmobile | 88 | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1998 | Oldsmobile | LSS | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1998 | Oldsmobile | Regency | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1998 | Pontiac | Bonneville | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1997 | Buick | LeSabre | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1997 | Chevrolet | Camaro | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1997 | Oldsmobile | 88 | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1997 | Oldsmobile | LSS | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1997 | Oldsmobile | Regency | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1997 | Pontiac | Bonneville | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1997 | Pontiac | Firebird | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1996 | Buick | LeSabre | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1996 | Buick | Park Avenue | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1996 | Buick | Riviera | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1996 | Cadillac | DeVille | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1996 | Cadillac | Eldorado | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1996 | Cadillac | Seville | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1996 | Chevrolet | Camaro | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1996 | Chevrolet | Lumina APV | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1996 | Oldsmobile | 88 | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1996 | Oldsmobile | 98 | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1996 | Oldsmobile | Aurora | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1996 | Oldsmobile | LSS | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1996 | Oldsmobile | Silhouette | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1996 | Pontiac | Bonneville | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1996 | Pontiac | Firebird | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1996 | Pontiac | Trans Sport | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1995 | Buick | LeSabre | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1995 | Buick | Park Avenue | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1995 | Buick | Riviera | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1995 | Cadillac | DeVille | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1995 | Cadillac | Eldorado | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1995 | Cadillac | Seville | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1995 | Chevrolet | Camaro | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1995 | Chevrolet | Lumina APV | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1995 | Oldsmobile | 88 | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1995 | Oldsmobile | 98 | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1995 | Oldsmobile | Aurora | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1995 | Oldsmobile | Silhouette | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1995 | Pontiac | Bonneville | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1995 | Pontiac | Firebird | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1995 | Pontiac | Trans Sport | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1994 | Buick | LeSabre | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1994 | Buick | Park Avenue | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1994 | Cadillac | DeVille | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1994 | Cadillac | Eldorado | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1994 | Cadillac | Seville | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1994 | Chevrolet | Camaro | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1994 | Chevrolet | Lumina APV | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1994 | Oldsmobile | 88 | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1994 | Oldsmobile | 98 | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1994 | Oldsmobile | Silhouette | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1994 | Pontiac | Bonneville | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1994 | Pontiac | Firebird | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 1994 | Pontiac | Trans Sport | Front Left | PowerStop - Front OE Stock Replacement Caliper |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.