

Grade 10.9 Steel Exhaust Manifold Bolts, M8 for 2003-2019 Buick, Chevrolet, GMC, Pontiac, Saturn, Isuzu and Workhorse Vehicles
Dorman 03088 exhaust hardware is a 6-bolt replacement set for exhaust manifold mounting repairs on select GM, Isuzu, and Workhorse applications. It replaces missing, broken, stripped, or corroded factory fasteners to help restore a tight manifold connection and support exhaust leak repairs without reusing fatigued hardware.
Dorman 03088 Technical Specifications:
- Direct replacement design matches the fit and function required for specified exhaust manifold hardware locations.
- Steel construction with a Grade 10.9 bolt rating is specified for standard replacement exhaust mounting service.
- Each M8 bolt is listed at 38.5 mm long with a black, natural finish for a clean service replacement.
- Pre-applied red thread sealant helps save installation time and supports a secure assembled joint.
- Washer-free package contents make it important to inspect related hardware and replace any damaged washers separately if the repair requires them.
Includes:
- 6 exhaust manifold mounting bolts
Use this hardware when servicing an exhaust manifold connection where the original bolts are broken, stripped, corroded, missing, or fatigued from heat cycling.
Model coverage includes Buick Enclave; Chevrolet Blazer, Captiva Sport, Caprice, Equinox, Express, Impala, Malibu, Monte Carlo, SS, Traverse, and LCF 3500; GMC Acadia and Savana; Isuzu NPR and NPR-HD; Pontiac G6, G8, and Torrent; Saturn Aura, Outlook, Relay, and Vue; plus Workhorse P42, W42, W62, FasTrack, W16, and W18 chassis applications. Use the vehicle fitment selector because exact coverage varies by year, chassis, and trim.