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Raybestos 3550R Disc Brake Rotor - Front
| Brand | Raybestos 3550R |
|---|---|
| Position | Front |
| Center Hole Diameter | 3.761 |
| Center Hole Diameter | 95.550 |
| Conventional Or Drum-In-Hat Type Rotor | Conventional |
| Discard Thickness | 1.120 |
| Discard Thickness | 28.450 |
| Mounting Bolt Hole Circle Diameter | 5.500 |
| Mounting Bolt Hole Circle Diameter | 139.700 |
| Mounting Bolt Hole Diameter | 5.500 |
| Mounting Bolt Hole Diameter | 139.700 |
| Mounting Bolt Hole Quantity | 5 |
| Nominal Thickness | 1.185 |
| Nominal Thickness | 30.100 |
| Outside Diameter | 11.750 |
| Outside Diameter | 298.450 |
| Overall Height | 2.800 |
| Overall Height | 71.100 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Quantity | 5 |
| Product line | R-Line |
| Fits | International and Jeep · 10 vehicles |
Vented design. Helps air flow through the rotor for more consistent braking performance.
Conventional rotor. A straightforward disc brake replacement for everyday service.
R-Line series. Raybestos line focused on dependable brake components.
Cross-references Anchor 3550, Anchor 6063 and Centric Parts 121.63004 for the same application. See all 40.
Raybestos R-Line 3550R Front Brake Rotor
The Raybestos R-Line 3550R is a vented front disc brake rotor built for specific Jeep CJ applications. With a 11.750-inch outside diameter, 1.185-inch nominal thickness, and 1.120-inch discard thickness, it matches the dimensional requirements for the listed front axle fitments.
The R-Line product line focuses on direct-fit brake service parts for everyday repair work. For Jeep CJ5 and Jeep CJ7 front brake service, this rotor provides the correct conventional rotor design, 5-lug pattern, and 5-bolt mounting configuration called out in the fitment data.
- Part number: 3550R
- Brand: Raybestos R-Line
- Part type: front disc brake rotor
- Vented, conventional rotor design
- Outside diameter: 11.750 in. (298.450 mm)
- Nominal thickness: 1.185 in. (30.100 mm)
- Discard thickness: 1.120 in. (28.450 mm)
- Overall height: 2.800 in. (71.100 mm)
- Center hole diameter: 3.761 in. (95.550 mm)
- 5 mounting bolt holes and 5 stud/lug holes
- 5.500 in. bolt circle diameter (139.700 mm)
Use this rotor for front brake service on 1976 Jeep CJ5, front; 1976 Jeep CJ7, front; 1977-1980 Jeep CJ5, front with steering knuckle having 6 bolts and a 5 stud rotor; and 1977-1980 Jeep CJ7, front with steering knuckle having 6 bolts and a 5 stud rotor. This part cross-references DuraGo BR5109 and Wix 51091 for the same application.
Common Repair Uses
- Replacing a worn or below-spec front brake rotor
- Correcting brake pulsation caused by rotor thickness variation
- Restoring proper braking surface for pad contact
- Addressing scoring, heat checking, or rotor wear on Jeep CJ front brakes
- Matching the original rotor dimensions for listed Jeep CJ5 and Jeep CJ7 applications
Installation Notes
Verify the steering knuckle and rotor configuration before installation, especially on 1977-1980 Jeep CJ5 and CJ7 models that require a steering knuckle with 6 bolts and a 5 stud rotor. Confirm outside diameter, bolt circle, center hole diameter, and thickness against the removed part before assembly. Brake rotors should be installed on clean, properly prepared hub surfaces and paired with serviceable pads and hardware already on the vehicle.
Quality Assurance
Raybestos R-Line brake parts are cataloged as direct replacement service components with application-specific dimensions and fitment data for the listed Jeep CJ front brake applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1980 | Jeep | CJ5 | Front | Steering Knuckle Has 6 Bolts; with 5 Stud Rotor; R-Line |
| 1980 | Jeep | CJ7 | Front | Steering Knuckle Has 6 Bolts; with 5 Stud Rotor; R-Line |
| 1979 | Jeep | CJ5 | Front | Steering Knuckle Has 6 Bolts; with 5 Stud Rotor; R-Line |
| 1979 | Jeep | CJ7 | Front | Steering Knuckle Has 6 Bolts; with 5 Stud Rotor; R-Line |
| 1978 | Jeep | CJ5 | Front | Steering Knuckle Has 6 Bolts; with 5 Stud Rotor; R-Line |
| 1978 | Jeep | CJ7 | Front | Steering Knuckle Has 6 Bolts; with 5 Stud Rotor; R-Line |
| 1977 | Jeep | CJ5 | Front | Steering Knuckle Has 6 Bolts; with 5 Stud Rotor; R-Line |
| 1977 | Jeep | CJ7 | Front | Steering Knuckle Has 6 Bolts; with 5 Stud Rotor; R-Line |
| 1976 | Jeep | CJ5 | Front | Replaces 3550RGS; Raybestos R-Line |
| 1976 | Jeep | CJ7 | Front | Replaces 3550RGS; Raybestos R-Line |
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