Recommended Accessories
This part fits your vehicle!
Based on the manufacturer’s specs, this product is an exact fit for your 1991-1993 Buick Roadmaster
1991-1993 Buick Roadmaster - Dorman Passenger Side Exhaust Manifold
Part number: RB674654
Manufacturer number: 674-654
Product Description: DORMAN EXHAUST MANIFOLD KIT -- Includes two studs, two nuts, one manifold gasket, and one flange gasket; Cast iron construction;...Read More
Warranty: Dorman's limited lifetime warranty
Location: Passenger Side
- Overview
- Manufacturer info
- Extended Warranty
DORMAN EXHAUST MANIFOLD KIT -- Includes two studs, two nuts, one manifold gasket, and one flange gasket; Cast iron construction; Engineered to perform better than the original OE design; Transports extremely hot exhaust gases with a temperature of up to 1400 degrees Fahrenheit from the cylinder head to the exhaust piping; Provides mounting for oxygen sensors, A.I.R. piping, and EGR piping; Seals the engine head and exhaust piping to prevent fumes and noise from escaping the engine compartment; Application-specific; Replacement for OE part number 10128448; With Dorman's limited lifetime warranty.
This product fits the following Buick Roadmaster submodels
This product fits the following Buick Roadmaster submodels
- 1991-1991: Estate Wagon; 8 Cyl 5.0L; "GAS, FI, VIN E"
- 1992-1993: Base; 8 Cyl 5.7L; "GAS, FI, VIN 7"
- 1992-1993: Estate Wagon; 8 Cyl 5.7L; "GAS, FI, VIN 7"
- 1992-1993: Limited; 8 Cyl 5.7L; "GAS, FI, VIN 7"



