Company Details
Competitors of Grand Rock Co
Replace your costly exhaust fans with our heat exchangers. Capture and reuse your heat that you already paid for. Removes welding fumes, dust, smoke, humidity, carbon monoxide, toxic fumes. Provides healthier, fresh warm air for employes.No maintenance, no costly filters. Each unit can save up to... Read More
Manufacture of Aftermarket Performance exhaust and Headers for Trucks, SUV, Diesel, Marine, OFF-Road, Sandrail, Side x Side, and Motorhome. Read More
Diesel engine heaters, engine block heaters, cab and cargo heaters, electrical harnesses Read More
Products & Services
View AllHeavy Truck Exhaust Systems
Replacing your old OE pipe can be expensive! Search Grand Rock's extensive inventory pf replacement parts and find the...
Learn MoreSchool Bus Exhaust Systems
Do you need to replace your exhaust system or repair a leak before inspection? Do you have an end of the school year...
Learn MoreMedium Duty Truck Exhaust Systems
For class 4-6 trucks, Grand Rock has introduced a line of exhaust components covering popular Chevy/GMC, Ford,...
Learn MorePickup Truck Exhaust Systems
Covering diesel pickup applications from Ford, GM, and Dodge, GRAND ROCK makes high-performance single stock-exit...
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