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PowerStop L4790 Disc Brake Caliper - Front Right
PowerStop Front OE Stock Replacement Caliper Overview
The PowerStop - Front OE Stock Replacement Caliper (Part Number L4790) is designed specifically for Ford Excursion, F-250 Super Duty, and F-350 Super Duty models. This floating disc brake caliper offers reliable stopping power with durable cast iron construction and phenolic pistons for consistent brake performance.
- Compatible with Ford Excursion, F-250 Super Duty, and F-350 Super Duty
- Cast iron caliper casting material for strength and durability
- Floating caliper type with two 54.10 mm phenolic pistons
- Includes caliper slides and mounting bracket for proper fitment
- Gray finish with M10 x 1.0 bleeder screw thread size
- Grade type: Regular
Product Line Details: PowerStop - Front OE Stock Replacement Caliper
The PowerStop - Front OE Stock Replacement Caliper line is engineered to match original equipment specifications for front disc brake calipers. This ensures a direct replacement that maintains factory performance and fitment. The L4790 caliper is part of this line, providing a dependable option for maintaining braking efficiency on select Ford Super Duty trucks and Excursion models.
Technical Description and Features
This disc brake caliper features a cast iron body that offers robust durability under demanding conditions. The floating caliper design allows for smooth piston movement, aided by the included caliper slides. Two phenolic pistons, each measuring 54.10 mm in diameter, help reduce heat transfer to the brake fluid, improving overall braking consistency. The gray finish provides corrosion resistance, while the included mounting bracket ensures proper installation alignment. The bleeder screw thread size is M10 x 1.0, compatible with standard brake bleeding tools.
Common Applications and Problem Solving
- Replacement for worn or seized front disc brake calipers on Ford Excursion and Super Duty trucks
- Addresses uneven brake pad wear caused by faulty caliper slides or pistons
- Resolves brake fluid leaks due to damaged or corroded caliper pistons
- Improves brake pedal feel and stopping power by restoring proper caliper function
- Prevents brake noise and vibration linked to caliper misalignment
Installation Notes and Tips
Ensure the brake system is fully depressurized before removing the old caliper. Verify that the mounting bracket is securely attached and properly aligned during installation. Use compatible brake fluid and bleed the brake system thoroughly to remove air after installation. Note that mounting hardware is not included and must be sourced separately if needed.
Quality Assurance and Warranty
PowerStop manufactures this caliper to meet or exceed OEM standards for fit, form, and function. The use of cast iron and phenolic pistons supports long-term durability and reliable braking performance. While specific warranty details are not provided, PowerStop products typically come with manufacturer-backed quality assurance to ensure customer confidence.
| Brand | PowerStop |
|---|---|
| Part Number | L4790 |
| Position | PowerStop - Front OE Stock Replacement Caliper, Front Right |
| Mounting Hardware Included | No |
| Grade Type | Regular |
| Caliper Casting Material | Cast iron |
| Caliper Slides Included | Yes |
| Piston Quantity | 2 |
| Caliper Type | Floating |
| Piston Diameter | 54.10 |
| Caliper Color | Gray |
| Mounting Bracket Included | Yes |
| Piston Material | Phenolic |
| Bleeder Screw Thread Size | M10 x 1.0 |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Ford | Excursion | Front Right | PowerStop - Front OE Stock Replacement Caliper |
| 2004 | Ford | Excursion | Front Right | PowerStop - Front OE Stock Replacement Caliper |
| 2004 | Ford | F-250 Super Duty | Front Right | PowerStop - Front OE Stock Replacement Caliper |
| 2004 | Ford | F-350 Super Duty | Front Right | PowerStop - Front OE Stock Replacement Caliper |
| 2003 | Ford | Excursion | Front Right | PowerStop - Front OE Stock Replacement Caliper |
| 2003 | Ford | F-250 Super Duty | Front Right | PowerStop - Front OE Stock Replacement Caliper |
| 2003 | Ford | F-350 Super Duty | Front Right | PowerStop - Front OE Stock Replacement Caliper |
| 2002 | Ford | Excursion | Front Right | PowerStop - Front OE Stock Replacement Caliper |
| 2002 | Ford | F-250 Super Duty | Front Right | PowerStop - Front OE Stock Replacement Caliper |
| 2002 | Ford | F-350 Super Duty | Front Right | PowerStop - Front OE Stock Replacement Caliper |
| 2001 | Ford | Excursion | Front Right | PowerStop - Front OE Stock Replacement Caliper |
| 2001 | Ford | F-250 Super Duty | Front Right | PowerStop - Front OE Stock Replacement Caliper |
| 2001 | Ford | F-350 Super Duty | Front Right | PowerStop - Front OE Stock Replacement Caliper |
| 2000 | Ford | Excursion | Front Right | PowerStop - Front OE Stock Replacement Caliper |
| 2000 | Ford | F-250 Super Duty | Front Right | PowerStop - Front OE Stock Replacement Caliper |
| 2000 | Ford | F-350 Super Duty | Front Right | PowerStop - Front OE Stock Replacement Caliper |
| 1999 | Ford | F-250 Super Duty | Front Right | PowerStop - Front OE Stock Replacement Caliper |
| 1999 | Ford | F-350 Super Duty | Front Right | PowerStop - Front OE Stock Replacement Caliper |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.