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PowerStop L4637 Disc Brake Caliper - Rear
PowerStop Rear OE Stock Replacement Caliper Overview
The PowerStop - Rear OE Stock Replacement Caliper (Part Number L4637) is designed to provide reliable braking performance for select Ford, Lincoln, and Mercury vehicles. Engineered as a direct replacement for rear disc brake calipers, this part ensures consistent stopping power and durability for models like the Crown Victoria, Grand Marquis, and Town Car.
- Cast iron caliper casting for strength and durability
- Single steel piston with a 47.85 mm diameter
- Floating caliper design for smooth operation
- Gray finish for corrosion resistance
- Compatible with Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis rear brakes
- Bleeder screw thread size 3/8 x 24 for standard brake bleeding
About the PowerStop - Rear OE Stock Replacement Caliper Line
The PowerStop - Rear OE Stock Replacement Caliper line focuses on providing direct-fit replacement calipers that match original equipment specifications. This ensures proper fitment and function without the need for modifications. The L4637 caliper maintains the OE design with a floating caliper type and cast iron construction, making it suitable for rear brake applications on specific Ford, Lincoln, and Mercury models.
Technical Details and Features
This disc brake caliper features a single steel piston with a diameter of 47.85 mm, designed to deliver consistent hydraulic pressure to the brake pads. The floating caliper design allows for self-alignment during braking, reducing uneven pad wear. Constructed from cast iron, the caliper offers durability and resistance to heat and corrosion. The gray finish further protects the caliper from environmental factors. Note that mounting hardware and caliper slides are not included with this part.
Applications and Problem Solving
- Replacement for worn or leaking rear calipers on Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis
- Addresses issues with uneven brake pad wear due to caliper malfunction
- Resolves brake drag caused by seized or sticking caliper pistons
- Restores proper hydraulic pressure for consistent rear braking performance
- Suitable for vehicles requiring OE stock replacement calipers for rear disc brakes
Installation Notes and Tips
Ensure the brake system is properly bled after installation to remove air from the hydraulic lines. Since mounting hardware and caliper slides are not included, reuse existing components if they are in good condition or purchase replacements separately. Verify compatibility with your specific vehicle model and year before installation. Use the bleeder screw with a 3/8 x 24 thread size for standard brake bleeding procedures.
Quality Assurance and Warranty
PowerStop manufactures this rear OE stock replacement caliper to meet or exceed original equipment standards. The cast iron construction and steel piston materials contribute to long-lasting performance. While specific warranty details are not provided, PowerStop products typically come with manufacturer-backed quality assurance to support reliable operation in Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis vehicles.
| Brand | PowerStop |
| Part Number | L4637 |
| Position | PowerStop - Rear OE Stock Replacement Caliper, Rear |
| Mounting Hardware Included | No |
| Grade Type | Regular |
| Caliper Casting Material | Cast iron |
| Caliper Slides Included | No |
| Piston Quantity | 1 |
| Caliper Type | Floating |
| Piston Diameter | 47.85 |
| Caliper Color | Gray |
| Mounting Bracket Included | No |
| Piston Material | Steel |
| Bleeder Screw Thread Size | 3/8 x 24 |
This part fits 21 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2002 | Ford | Crown Victoria | Rear | Steel Piston; PowerStop - Rear OE Stock Replacement Caliper |
| 2002 | Lincoln | Town Car | Rear | Steel Piston; PowerStop - Rear OE Stock Replacement Caliper |
| 2002 | Mercury | Grand Marquis | Rear | Steel Piston; PowerStop - Rear OE Stock Replacement Caliper |
| 2001 | Ford | Crown Victoria | Rear | Steel Piston; PowerStop - Rear OE Stock Replacement Caliper |
| 2001 | Lincoln | Town Car | Rear | Steel Piston; PowerStop - Rear OE Stock Replacement Caliper |
| 2001 | Mercury | Grand Marquis | Rear | Steel Piston; PowerStop - Rear OE Stock Replacement Caliper |
| 2000 | Ford | Crown Victoria | Rear | Steel Piston; PowerStop - Rear OE Stock Replacement Caliper |
| 2000 | Lincoln | Town Car | Rear | Steel Piston; PowerStop - Rear OE Stock Replacement Caliper |
| 2000 | Mercury | Grand Marquis | Rear | Steel Piston; PowerStop - Rear OE Stock Replacement Caliper |
| 1999 | Ford | Crown Victoria | Rear | Steel Piston; PowerStop - Rear OE Stock Replacement Caliper |
| 1999 | Lincoln | Town Car | Rear | Steel Piston; PowerStop - Rear OE Stock Replacement Caliper |
| 1999 | Mercury | Grand Marquis | Rear | Steel Piston; PowerStop - Rear OE Stock Replacement Caliper |
| 1998 | Ford | Crown Victoria | Rear | Steel Piston; PowerStop - Rear OE Stock Replacement Caliper |
| 1998 | Lincoln | Town Car | Rear | Steel Piston; PowerStop - Rear OE Stock Replacement Caliper |
| 1998 | Mercury | Grand Marquis | Rear | Steel Piston; PowerStop - Rear OE Stock Replacement Caliper |
| 1997 | Ford | Crown Victoria | Rear | Steel Piston; PowerStop - Rear OE Stock Replacement Caliper |
| 1997 | Lincoln | Town Car | Rear | Steel Piston; PowerStop - Rear OE Stock Replacement Caliper |
| 1997 | Mercury | Grand Marquis | Rear | Steel Piston; PowerStop - Rear OE Stock Replacement Caliper |
| 1996 | Ford | Crown Victoria | Rear | Steel Piston; PowerStop - Rear OE Stock Replacement Caliper |
| 1996 | Lincoln | Town Car | Rear | Steel Piston; PowerStop - Rear OE Stock Replacement Caliper |
| 1996 | Mercury | Grand Marquis | Rear | Steel Piston; PowerStop - Rear OE Stock Replacement Caliper |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.