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Power, torque, and smooth acceleration—none of it matters without a reliable primary drive. The Primary Drive Belt (2000–04) is the heart of your Big Dog’s powertrain, transferring energy from engine to transmission with precision and strength. This factory-certified OEM Big Dog part is engineered to exact 2000–2004 model specs, making it the only drive belt built for your original American V-twin machine.
Compatible with Big Dog Chopper, Mastiff, Bulldog, and other models from the 2000–2004 range, this OEM belt delivers unmatched performance and longevity. Forget generic belts that stretch, crack, or slip—this is a purpose-built, factory-trusted component that ensures your Big Dog Motorcycle stays true to its performance roots.
Every mile, every throttle twist, and every stoplight launch depends on the integrity of your drivetrain. That’s why choosing factory-certified Big Dog parts is more than just smart—it’s essential. As the original manufacturer, Big Dog Motorcycles is your only source for Big Dog Parts that are built to deliver the same high standards your bike was born with.
Don’t leave your drivetrain to chance. This OEM primary drive belt is made for Big Dog riders who demand strength, longevity, and the real deal—not lookalikes.
Order your Primary Drive Belt now and keep your Big Dog running with authentic power.
