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Dorman 13503 Suspension Control Arm Bolt - Front Lower
| Brand | Dorman 13503 |
|---|---|
| Position | Front Lower |
| Material | Steel |
| Package Contents | 2 U-bolts and 4 Prevailing Torque Nuts |
| Fits | Chevrolet and GMC · 76 vehicles |
OE-style replacement. Matches the original bolt's fit and function for suspension repair.
Hardened steel construction. Helps secure control arm installation.
Includes hardware. Comes with 2 U-bolts and 4 prevailing torque nuts.
$34.12Free shipping
In stock · usually ships same day before 1pm CST
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Dorman 13503 Front Lower Control Arm Bolt
Dorman 13503 is a steel suspension control arm bolt for front lower applications where the original hardware is corroded, stripped, or broken. It restores the fit and function of the OE bolt for secure control arm attachment on heavy-duty Chevrolet and GMC chassis.
Key Features
- Steel construction for secure suspension fastening
- Matches the original fit and function for front lower control arm service
- Helps replace damaged hardware during suspension repair
- Built for heavy-duty applications on Chevrolet and GMC platforms
- Fits select Chevrolet P30, G30, R30, C30, and C35 models, plus GMC P3500, G3500, R3500, and C3500 models
Detailed Description
This Dorman suspension control arm bolt is made to replace worn or damaged OE hardware in front lower suspension locations. The hardened steel design supports a secure installation of the control arm, helping maintain proper suspension attachment on vehicles such as the Chevrolet P30 and GMC P3500. Part number 13503 is a practical replacement when original fasteners are no longer serviceable.
This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
What It Helps Solve
- Corroded control arm bolt hardware
- Stripped fasteners during suspension disassembly
- Broken front lower control arm mounting hardware
- Difficulty completing suspension repair on heavy-duty Chevrolet and GMC vehicles
- Loose or unreliable control arm attachment caused by damaged original bolts
Installation Notes and Tips
- Verify front lower fitment against the vehicle notes before installation.
- Inspect the control arm, bushings, and mounting points for wear or damage before reassembly.
- Use the correct torque procedure for the specific chassis and suspension configuration.
- Confirm application details for heavy-duty suspension, RPO F42, air suspension, axle, and GVW notes where listed.
Quality Assurance
Dorman 13503 is engineered as a direct replacement hardware solution for select Chevrolet and GMC suspension applications. Its steel construction is intended to provide the strength needed for secure control arm mounting in demanding front lower suspension service.
This part fits 76 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1999 | Chevrolet | P30 | Front Lower | w/Heavy Duty Air Suspension |
| 1999 | GMC | P3500 | Front Lower | w/Heavy Duty Air Suspension |
| 1998 | Chevrolet | P30 | Front Lower | w/Heavy Duty Air Suspension |
| 1998 | GMC | P3500 | Front Lower | w/Heavy Duty Air Suspension |
| 1997 | Chevrolet | P30 | Front Lower | w/Heavy Duty Air Suspension |
| 1997 | GMC | P3500 | Front Lower | w/Heavy Duty Air Suspension |
| 1996 | Chevrolet | P30 | Front Lower | w/Heavy Duty Air Suspension |
| 1996 | GMC | P3500 | Front Lower | w/Heavy Duty Air Suspension |
| 1995 | Chevrolet | P30 | Front Lower | w/Heavy Duty Air Suspension |
| 1995 | GMC | P3500 | Front Lower | w/Heavy Duty Air Suspension |
| 1994 | Chevrolet | P30 | Front Lower | w/Heavy Duty Air Suspension |
| 1994 | GMC | P3500 | Front Lower | w/Heavy Duty Air Suspension |
| 1993 | Chevrolet | G30 | Front Lower | 10,500 Pound Gross Vehicle Weight |
| 1993 | Chevrolet | P30 | Front Lower | w/Heavy Duty Air Suspension |
| 1993 | GMC | G3500 | Front Lower | 10,500 Pound Gross Vehicle Weight |
| 1993 | GMC | P3500 | Front Lower | w/Heavy Duty Air Suspension |
| 1992 | Chevrolet | G30 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1992 | Chevrolet | P30 | Front Lower | w/Heavy Duty Air Suspension |
| 1992 | GMC | G3500 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1992 | GMC | P3500 | Front Lower | w/Heavy Duty Air Suspension |
| 1991 | Chevrolet | P30 | Front Lower | w/Heavy Duty Air Suspension |
| 1991 | Chevrolet | R3500 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1991 | GMC | P3500 | Front Lower | w/Heavy Duty Air Suspension |
| 1991 | GMC | R3500 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1990 | Chevrolet | P30 | Front Lower | Exc. 5,000 Lb. I-Beam Axle |
| 1990 | Chevrolet | R3500 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1990 | GMC | P3500 | Front Lower | Exc. 5,000 Lb. I-Beam Axle |
| 1990 | GMC | R3500 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1989 | Chevrolet | P30 | Front Lower | Exc. 5,000 Lb. I-Beam Axle |
| 1989 | Chevrolet | R3500 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1989 | GMC | P3500 | Front Lower | Exc. 5,000 Lb. I-Beam Axle |
| 1989 | GMC | R3500 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1988 | Chevrolet | P30 | Front Lower | Exc. 5,000 Lb. I-Beam Axle |
| 1988 | Chevrolet | R30 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1988 | GMC | P3500 | Front Lower | Exc. 5,000 Lb. I-Beam Axle |
| 1988 | GMC | R3500 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1987 | Chevrolet | P30 | Front Lower | Exc. 5,000 Lb. I-Beam Axle |
| 1987 | Chevrolet | R30 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1987 | GMC | P3500 | Front Lower | Exc. 5,000 Lb. I-Beam Axle |
| 1987 | GMC | R3500 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1986 | Chevrolet | C30 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1986 | Chevrolet | C35 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1986 | Chevrolet | P30 | Front Lower | Exc. 5,000 Lb. I-Beam Axle |
| 1986 | GMC | C3500 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1986 | GMC | P3500 | Front Lower | Exc. 5,000 Lb. I-Beam Axle |
| 1985 | Chevrolet | C30 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1985 | Chevrolet | C35 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1985 | Chevrolet | P30 | Front Lower | Exc. 5,000 Lb. I-Beam Axle |
| 1985 | GMC | C3500 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1985 | GMC | P3500 | Front Lower | Exc. 5,000 Lb. I-Beam Axle |
| 1984 | Chevrolet | C30 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1984 | Chevrolet | C35 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1984 | Chevrolet | P30 | Front Lower | w/Heavy Duty Air Suspension |
| 1984 | GMC | C3500 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1984 | GMC | P3500 | Front Lower | w/Heavy Duty Air Suspension |
| 1983 | Chevrolet | C30 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1983 | Chevrolet | C35 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1983 | Chevrolet | P30 | Front Lower | w/Heavy Duty Air Suspension |
| 1983 | GMC | C3500 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1983 | GMC | P3500 | Front Lower | w/Heavy Duty Air Suspension |
| 1982 | Chevrolet | C30 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1982 | Chevrolet | P30 | Front Lower | w/Heavy Duty Air Suspension |
| 1982 | GMC | C3500 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1982 | GMC | P3500 | Front Lower | w/Heavy Duty Air Suspension |
| 1981 | Chevrolet | C30 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1981 | Chevrolet | P30 | Front Lower | w/Heavy Duty Air Suspension |
| 1981 | GMC | C3500 | Front Lower | w/RPO Code F42 Heavy Duty Suspension |
| 1981 | GMC | P3500 | Front Lower | w/Heavy Duty Air Suspension |
| 1980 | Chevrolet | P30 | Front Lower | w/Heavy Duty Air Suspension |
| 1980 | GMC | P3500 | Front Lower | w/Heavy Duty Air Suspension |
| 1979 | Chevrolet | P30 | Front Lower | w/Heavy Duty Air Suspension |
| 1979 | GMC | P3500 | Front Lower | w/Heavy Duty Air Suspension |
| 1978 | Chevrolet | P30 | Front Lower | 11,000 Lb. Axle |
| 1977 | Chevrolet | P30 | Front Lower | 11,000 Lb. Axle |
| 1976 | Chevrolet | P30 | Front Lower | 11,000 Lb. Axle |
| 1975 | Chevrolet | P30 | Front Lower | 11,000 Lb. Axle |
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