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Raybestos 56137R Disc Brake Rotor and Hub Assembly - Front
Reliable Disc Brake Rotor and Hub Assembly for Chevrolet and GMC
The Raybestos R-Line 56137R disc brake rotor and hub assembly is engineered for precise fitment and dependable braking performance. Designed specifically for Chevrolet Blazer, GMC Jimmy, and related models, this assembly ensures consistent stopping power and durability.
- Compatible with Chevrolet Blazer, GMC Jimmy, S10, S10 Blazer, S15 Jimmy, Sonoma, and Isuzu Hombre
- Part number 56137R for exact replacement
- Includes disc brake rotor and hub assembly with 5 mounting bolt holes
- Mounting bolt hole circle diameter of 120.65 mm (4.75 inches)
- Mounting bolt hole diameter of 12.4 mm (0.488 inches)
- Nominal rotor thickness of 26.3 mm (1.035 inches) with discard thickness at 24.5 mm (0.965 inches)
- 5 stud/lug holes for secure wheel attachment
Detailed Specifications and Features
This disc brake rotor and hub assembly features a nominal thickness of 1.035 inches (26.3 mm), providing a solid braking surface that meets OEM standards. The discard thickness is set at 0.965 inches (24.5 mm), indicating the minimum safe thickness for rotor replacement. The assembly includes five mounting bolt holes arranged on a 120.65 mm (4.75 inch) bolt circle diameter, with each hole measuring 12.4 mm (0.488 inches) in diameter. This configuration ensures a precise fit for the specified Chevrolet, GMC, and Isuzu models. The hub assembly integrates five stud/lug holes, facilitating secure wheel mounting and alignment.
About the Raybestos R-Line Product Line
The R-Line by Raybestos is a product line focused on delivering reliable, direct-fit brake components designed to meet or exceed OEM specifications. The 56137R disc brake rotor and hub assembly is part of this line, offering a balance of durability and performance tailored for light trucks and SUVs such as the Chevrolet Blazer and GMC Jimmy. The R-Line emphasizes quality materials and precise manufacturing to support consistent braking performance under various driving conditions.
Common Applications and Problem Solving
- Replacement for worn or warped rotors causing brake pulsation
- Addressing excessive rotor thickness wear beyond discard limits
- Fixing hub assembly issues leading to wheel vibration or noise
- Upgrading brake components for improved stopping response on Chevrolet S10 and GMC Sonoma
- Ensuring proper fitment and alignment on Isuzu Hombre models
Installation Notes and Tips
When installing the Raybestos R-Line 56137R rotor and hub assembly, ensure the mounting surfaces are clean and free of debris to maintain proper fitment. Torque the mounting bolts to manufacturer specifications to avoid warping or misalignment. It is recommended to inspect wheel studs and replace any damaged hardware during installation. Proper bedding-in of new rotors and pads will optimize braking performance and longevity.
Quality Assurance and Warranty
Raybestos R-Line brake components are manufactured to meet stringent quality standards, ensuring reliable performance and safety. While specific warranty details for part number 56137R should be confirmed with the supplier, Raybestos typically offers coverage against defects in materials and workmanship. This assembly is designed to provide consistent braking performance for Chevrolet, GMC, and Isuzu vehicles within the specified fitment range.
| Brand | Raybestos |
|---|---|
| Part Number | 56137R |
| Position | R-Line, Front |
| Discard Thickness | 0.965 |
| Discard Thickness | 24.500 |
| Mounting Bolt Hole Circle Diameter | 4.750 |
| Mounting Bolt Hole Circle Diameter | 120.650 |
| Mounting Bolt Hole Diameter | 0.488 |
| Mounting Bolt Hole Diameter | 12.400 |
| Mounting Bolt Hole Quantity | 5 |
| Nominal Thickness | 1.035 |
| Nominal Thickness | 26.300 |
| Stud/Lug Hole Quantity | 5 |
This part fits 40 vehicles. Search below:
| Year | Make | Model | Drive Type | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2003 | Chevrolet | S10 | RWD | Front | Replaces 1056137; Raybestos R-Line | |
| 2003 | GMC | Sonoma | RWD | Front | Replaces 1056137; Raybestos R-Line | |
| 2002 | Chevrolet | S10 | RWD | Front | Replaces 1056137; Raybestos R-Line | |
| 2002 | GMC | Sonoma | RWD | Front | Replaces 1056137; Raybestos R-Line | |
| 2001 | Chevrolet | S10 | RWD | Front | Replaces 1056137; Raybestos R-Line | |
| 2001 | GMC | Sonoma | RWD | Front | Replaces 1056137; Raybestos R-Line | |
| 2000 | Chevrolet | S10 | RWD | Front | Replaces 1056137; Raybestos R-Line | |
| 2000 | GMC | Sonoma | RWD | Front | Replaces 1056137; Raybestos R-Line | |
| 2000 | Isuzu | Hombre | RWD | Front | Replaces 1056137; Raybestos R-Line | |
| 1999 | Chevrolet | S10 | RWD | Front | Replaces 1056137; Raybestos R-Line | |
| 1999 | GMC | Sonoma | RWD | Front | Replaces 1056137; Raybestos R-Line | |
| 1999 | Isuzu | Hombre | RWD | Front | Replaces 1056137; Raybestos R-Line | |
| 1998 | Chevrolet | S10 | RWD | Front | Replaces 1056137; Raybestos R-Line | |
| 1998 | GMC | Sonoma | RWD | Front | Replaces 1056137; Raybestos R-Line | |
| 1998 | Isuzu | Hombre | RWD | Front | Replaces 1056137; Raybestos R-Line | |
| 1997 | Chevrolet | Blazer | RWD | Front | Replaces 1056137; Raybestos R-Line | |
| 1997 | Chevrolet | S10 | RWD | GAS | Front | Replaces 1056137; Raybestos R-Line |
| 1997 | GMC | Jimmy | RWD | Front | Replaces 1056137; Raybestos R-Line | |
| 1997 | GMC | Sonoma | RWD | Front | Replaces 1056137; Raybestos R-Line | |
| 1997 | Isuzu | Hombre | Front | Replaces 1056137; Raybestos R-Line | ||
| 1996 | Chevrolet | Blazer | RWD | Front | Replaces 1056137; Raybestos R-Line | |
| 1996 | Chevrolet | S10 | RWD | Front | Replaces 1056137; Raybestos R-Line | |
| 1996 | GMC | Jimmy | RWD | Front | Replaces 1056137; Raybestos R-Line | |
| 1996 | GMC | Sonoma | RWD | Front | Replaces 1056137; Raybestos R-Line | |
| 1996 | Isuzu | Hombre | Front | Replaces 1056137; Raybestos R-Line | ||
| 1995 | Chevrolet | Blazer | RWD | Front | Replaces 1056137; Raybestos R-Line | |
| 1995 | Chevrolet | S10 | RWD | Front | R-Line | |
| 1995 | GMC | Jimmy | RWD | Front | Replaces 1056137; Raybestos R-Line | |
| 1995 | GMC | Sonoma | RWD | Front | R-Line | |
| 1994 | Chevrolet | S10 | RWD | Front | R-Line | |
| 1994 | Chevrolet | S10 Blazer | RWD | Front | R-Line | |
| 1994 | GMC | Jimmy | RWD | Front | R-Line | |
| 1994 | GMC | Sonoma | RWD | Front | R-Line | |
| 1993 | Chevrolet | S10 Blazer | RWD | Front | R-Line | |
| 1993 | GMC | Jimmy | RWD | Front | R-Line | |
| 1992 | Chevrolet | S10 Blazer | RWD | Front | R-Line | |
| 1992 | GMC | Jimmy | RWD | Front | R-Line | |
| 1991 | Chevrolet | S10 Blazer | RWD | Front | R-Line | |
| 1991 | GMC | S15 Jimmy | RWD | Front | R-Line | |
| 1991 | GMC | Sonoma | RWD | Front | Replaces 1056137; Raybestos R-Line |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.