Bosch SR8640X Starter Motor

Reliable Starter for Cadillac, Chevrolet, GMC, and Hummer Vehicles

The Bosch Starter (Remanufactured) SR8640X is engineered to provide dependable starting power for a range of GM vehicles. Designed with quality materials and precise specifications, this 12-volt starter ensures consistent performance for models like the Chevrolet Silverado and Cadillac Escalade.

• Voltage: 12V for standard automotive electrical systems
• Power Rating: 1.4 kW for efficient engine cranking
• Mounting Bolt Hole Quantity: 2 for secure installation
• Nose Cone Material: Aluminum with a closed nose design
• Starter Rotation: Clockwise to match OEM specifications
• Solenoid Attached for integrated operation
• Tooth Quantity: 11 for proper engagement with flywheel
• Remanufactured unit meeting OEM standards

About the Bosch Starter (Remanufactured) Product Line

The Bosch Starter (Remanufactured) line offers remanufactured starters that meet strict quality and performance criteria. These units are rebuilt using original components and tested to ensure reliability and durability. The SR8640X model is part of this line, providing a cost-effective alternative to new starters without compromising on function or fitment.

Detailed Product Description

This Bosch SR8640X starter is designed specifically for select Cadillac, Chevrolet, GMC, and Hummer vehicles, including the Chevrolet Avalanche, Silverado 1500, and GMC Sierra 2500 HD. Featuring a robust aluminum nose cone with a closed nose type, it offers corrosion resistance and structural integrity. The clockwise rotation and 11-tooth pinion gear ensure proper meshing with the engine flywheel. The attached solenoid simplifies installation and operation, while the two mounting bolt holes provide a secure fit. This remanufactured starter delivers reliable engine cranking power rated at 1.4 kW, suitable for 12-volt electrical systems common in these vehicles.

Common Applications and Issues Addressed

• Resolves engine no-start conditions due to starter failure
• Eliminates intermittent starting problems caused by worn components
• Replaces faulty solenoids integrated within the starter assembly
• Addresses starter noise or grinding from damaged pinion teeth
• Restores proper engine cranking power in Cadillac Escalade and Chevrolet Silverado models

Installation Notes and Tips

Installation requires removal of the old starter and mounting of the Bosch SR8640X using the two bolt holes provided. Note that mounting hardware and shims are not included and should be reused or sourced separately. Ensure the starter rotation matches the vehicle’s specifications (clockwise) and verify the electrical connections to the attached solenoid are secure. Proper alignment of the 11-tooth pinion gear with the flywheel is critical for smooth engagement.

Quality Assurance and Warranty

This remanufactured Bosch starter undergoes rigorous testing to meet OEM performance standards. While specific warranty details are not provided here, Bosch remanufactured starters typically come with a limited warranty covering defects in materials and workmanship. Buyers should consult the product documentation or supplier for exact warranty terms.