Your Cart (0)
Thumbnail Filmstrip of Duramax Left Side Exhaust Manifold Dorman 674-731 Images
Restore proper exhaust flow and performance in your 2001-2016 GM 6.6L Duramax (LB7/LLY/LBZ/LMM/LML) engine with the Dorman 674-731 Left Side Exhaust Manifold. This OE-style replacement manifold offers a cost-effective and reliable solution for repairing your exhaust system.
- OE Fit and Function: Precision-engineered to match the original factory manifold for a perfect fit and easy installation.
- Durable Construction: Crafted from high-quality cast iron to resist warping, cracking, and leaking, ensuring long-lasting performance.
- Complete Repair Solution: Includes all necessary gaskets and downpipe hardware for a hassle-free repair process.
- OE Replacement: Replaces GM OE part numbers 12624684, 12637647, and 97224587 for guaranteed compatibility.
Restore proper exhaust flow and performance in your 2001-2016 GM 6.6L Duramax (LB7/LLY/LBZ/LMM/LML) engine with the Dorman 674-731 Left Side Exhaust Manifold. This OE-style replacement manifold offers a cost-effective and reliable solution for repairing your exhaust system.
- OE Fit and Function: Precision-engineered to match the original factory manifold for a perfect fit and easy installation.
- Durable Construction: Crafted from high-quality cast iron to resist warping, cracking, and leaking, ensuring long-lasting performance.
- Complete Repair Solution: Includes all necessary gaskets and downpipe hardware for a hassle-free repair process.
- OE Replacement: Replaces GM OE part numbers 12624684, 12637647, and 97224587 for guaranteed compatibility.