Raybestos 56851 Disc Brake Rotor - Rear

Name: Raybestos 56851 Disc Brake Rotor - Rear
Brand: Raybestos
SKU: BDBL-56851
Price: 76.46 USD
Availability: OutOfStock

Specialty - Street Performance, Rear

63 vehicles fit this part

Select your vehicle to confirm fitment

Verify this part fits before purchasing — free returns if it doesn't

$76.46Free Shipping

Free ShippingNo Cost to Continental U.S.

Free Returns*Wrong fit? No cost

60-Day ReturnsMoney back guarantee

*Free return shipping only qualifies if our fitment verification tool is used.

Out of Stock

OE Direct Replacement — Bolt-on fit, no modifications needed

Specialty - Street Performance, Rear

Fitment: Buick, Pontiac, Oldsmobile, and Cadillac, LeSabre, Park Avenue, Bonneville, Aurora, and Eldorado

Easy Returns — Return within 60 days for a full refund

Fast Shipping — Most orders ship same business day before 1pm CST

Not what you need? See all Disc Brake Rotor options

Overview of Raybestos Specialty - Street Performance Rotor 56851

The Raybestos Specialty - Street Performance Disc Brake Rotor 56851 is engineered for reliable braking performance on select Buick, Cadillac, Oldsmobile, and Pontiac models. Designed as a solid rotor with precise dimensions, it meets the demands of street driving while maintaining OEM specifications.

Solid disc brake rotor with conventional design
Outside diameter: 11.060 inches (280.9 mm)
Nominal thickness: 0.435 inches (11.05 mm)
Discard thickness: 0.354 inches (9.0 mm)
Overall height: 1.520 inches (38.6 mm)
Mounting bolt hole quantity: 5 with 118 mm bolt circle diameter
Center hole diameter: 2.785 inches (70.75 mm)
Compatible with 5 stud/lug hole configurations

Detailed Product Description and Specifications

This Raybestos disc brake rotor, part number 56851, is a solid rotor designed for conventional mounting on vehicles requiring a 5-bolt pattern with a 118 mm bolt circle diameter. The rotor’s outside diameter measures 11.060 inches, providing the correct fitment for various Buick, Cadillac, Oldsmobile, and Pontiac models including the Allante, Aurora, Bonneville, DeVille, Eldorado, LeSabre, Park Avenue, Riviera, Seville, and Toronado. The nominal thickness of 0.435 inches ensures durability and consistent braking performance, while the discard thickness of 0.354 inches indicates the minimum safe thickness before replacement is necessary. The overall height of 1.520 inches supports proper caliper clearance and brake system compatibility.

Specialty - Street Performance Product Line

The Raybestos Specialty - Street Performance line focuses on delivering rotors that meet the needs of street-driven vehicles requiring dependable braking without vented rotor complexity. This product line emphasizes solid rotors engineered to OEM specifications, providing consistent performance and fitment for classic and late-model vehicles. The 56851 rotor exemplifies this approach by combining precise dimensions and a conventional design suitable for a range of GM luxury and performance sedans and coupes.

Applications and Problem Solving

Replacement for worn or warped rotors on Buick Allante and Cadillac DeVille
Restores braking performance on Oldsmobile Aurora and Pontiac Bonneville
Addresses rotor thickness below discard limits to maintain safety
Eliminates brake pulsation caused by uneven rotor surfaces
Compatible upgrade for vehicles with 5-lug bolt patterns requiring solid rotors

Installation Notes and Tips

Verify rotor thickness before installation to ensure it meets minimum discard thickness
Clean mounting surfaces to prevent rotor runout and ensure proper fit
Torque mounting bolts to manufacturer specifications for secure installation
Inspect brake pads and calipers during rotor replacement for optimal system performance
Use proper tools to avoid damage to rotor or mounting hardware

Quality Assurance and Warranty

Raybestos rotors, including part number 56851, are manufactured to meet or exceed OEM standards for fit, form, and function. The Specialty - Street Performance line undergoes rigorous quality control to ensure consistent thickness, balance, and durability. While specific warranty details are not provided here, Raybestos typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or Raybestos directly for warranty terms applicable to this rotor.

Brand	Raybestos
Part Number	56851
Position	Specialty - Street Performance, Rear
Center Hole Diameter	2.785
Center Hole Diameter	70.750
Conventional Or Drum-In-Hat Type Rotor	Conventional
Discard Thickness	0.354
Discard Thickness	9.000
Mounting Bolt Hole Circle Diameter	4.646
Mounting Bolt Hole Circle Diameter	118.000
Mounting Bolt Hole Diameter	4.646
Mounting Bolt Hole Diameter	118.000
Mounting Bolt Hole Quantity	5
Nominal Thickness	0.435
Nominal Thickness	11.050
Outside Diameter	11.060
Outside Diameter	280.900
Overall Height	1.520
Overall Height	38.600
Solid Or Vented Type Rotor	Solid
Stud/Lug Hole Quantity	5

This part fits 63 vehicles. Search below:

Year	Make	Model	Submodel	Body Type	Position	Notes
2005	Buick	LeSabre			Rear	Specialty - Street Performance
2005	Buick	Park Avenue	Base		Rear	Specialty - Street Performance
2005	Pontiac	Bonneville	SE		Rear	Specialty - Street Performance
2005	Pontiac	Bonneville	SLE		Rear	Specialty - Street Performance
2004	Buick	LeSabre			Rear	Specialty - Street Performance
2004	Buick	Park Avenue	Base		Rear	Specialty - Street Performance
2004	Pontiac	Bonneville	SE		Rear	Specialty - Street Performance
2004	Pontiac	Bonneville	SLE		Rear	Specialty - Street Performance
2003	Buick	LeSabre			Rear	Specialty - Street Performance
2003	Buick	Park Avenue	Base		Rear	Specialty - Street Performance
2003	Oldsmobile	Aurora			Rear	Specialty - Street Performance
2003	Pontiac	Bonneville			Rear	Specialty - Street Performance
2002	Buick	LeSabre			Rear	Specialty - Street Performance
2002	Buick	Park Avenue			Rear	Specialty - Street Performance
2002	Cadillac	Eldorado			Rear	Specialty - Street Performance
2002	Oldsmobile	Aurora			Rear	Specialty - Street Performance
2002	Pontiac	Bonneville			Rear	Specialty - Street Performance
2001	Buick	LeSabre			Rear	Specialty - Street Performance
2001	Buick	Park Avenue			Rear	Specialty - Street Performance
2001	Cadillac	Eldorado			Rear	Specialty - Street Performance
2001	Oldsmobile	Aurora			Rear	Specialty - Street Performance
2001	Pontiac	Bonneville			Rear	Specialty - Street Performance
2000	Buick	LeSabre			Rear	Specialty - Street Performance
2000	Buick	Park Avenue			Rear	Specialty - Street Performance
2000	Cadillac	Eldorado			Rear	Raybestos Specialty - Street Performance
2000	Pontiac	Bonneville			Rear	Specialty - Street Performance
1999	Buick	Park Avenue			Rear	Raybestos Specialty - Street Performance
1999	Buick	Riviera			Rear	Raybestos Specialty - Street Performance
1999	Cadillac	DeVille		Sedan	Rear	Raybestos Specialty - Street Performance
1999	Cadillac	Eldorado			Rear	Raybestos Specialty - Street Performance
1999	Oldsmobile	Aurora			Rear	Raybestos Specialty - Street Performance
1998	Buick	Park Avenue			Rear	Raybestos Specialty - Street Performance
1998	Buick	Riviera			Rear	Raybestos Specialty - Street Performance
1998	Cadillac	DeVille		Sedan	Rear	Raybestos Specialty - Street Performance
1998	Cadillac	Eldorado			Rear	Raybestos Specialty - Street Performance
1998	Oldsmobile	Aurora			Rear	Raybestos Specialty - Street Performance
1997	Buick	Park Avenue			Rear	Raybestos Specialty - Street Performance
1997	Buick	Riviera			Rear	Raybestos Specialty - Street Performance
1997	Cadillac	DeVille			Rear	Raybestos Specialty - Street Performance
1997	Cadillac	Eldorado			Rear	Raybestos Specialty - Street Performance
1997	Cadillac	Seville			Rear	Raybestos Specialty - Street Performance
1997	Oldsmobile	Aurora			Rear	Raybestos Specialty - Street Performance
1996	Buick	Riviera			Rear	Raybestos Specialty - Street Performance
1996	Cadillac	DeVille			Rear	Raybestos Specialty - Street Performance
1996	Cadillac	Eldorado			Rear	Raybestos Specialty - Street Performance
1996	Cadillac	Seville			Rear	Raybestos Specialty - Street Performance
1996	Oldsmobile	Aurora			Rear	Raybestos Specialty - Street Performance
1995	Buick	Riviera			Rear	Raybestos Specialty - Street Performance
1995	Cadillac	DeVille			Rear	Raybestos Specialty - Street Performance
1995	Cadillac	Eldorado			Rear	Raybestos Specialty - Street Performance
1995	Cadillac	Seville			Rear	Raybestos Specialty - Street Performance
1995	Oldsmobile	Aurora			Rear	Raybestos Specialty - Street Performance
1994	Cadillac	DeVille			Rear	Raybestos Specialty - Street Performance
1994	Cadillac	Eldorado			Rear	Raybestos Specialty - Street Performance
1994	Cadillac	Seville			Rear	Raybestos Specialty - Street Performance
1993	Buick	Riviera			Rear	Raybestos Specialty - Street Performance
1993	Cadillac	Allante			Rear	Raybestos Specialty - Street Performance
1993	Cadillac	Eldorado			Rear	Raybestos Specialty - Street Performance
1993	Cadillac	Seville			Rear	Raybestos Specialty - Street Performance
1992	Buick	Riviera			Rear	Raybestos Specialty - Street Performance
1992	Cadillac	Eldorado			Rear	Raybestos Specialty - Street Performance
1992	Cadillac	Seville			Rear	Raybestos Specialty - Street Performance
1992	Oldsmobile	Toronado			Rear	Raybestos Specialty - Street Performance

* 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:

08.8861.1008.8861.1108.8861.8510111414-55065145266177-867180224011802248018060236211267-C250105492711232551149312552-1257025506555065DG5685156851FZN56851R56851RGS661344686801789-3604581-12570289-36045AR8245EVCAR8267AR8267EAX55065BD125702BD125702EBR55065BR5506502CW11710N1000130703APOPS125702Q4104RBR55065X51317YH1344YH141792PYH145266

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.