About BOBS Auto Services
America’s trusted source for quality-tested used engines and transmissions. Based in Santa Clarita, California.
Built on
Experience.
Driven by Quality.
At BOBS Auto Services, we are committed to delivering dependable, performance-tested used and remanufactured engines and transmissions to customers across the United States.
With over a decade of hands-on industry experience, our team understands that replacing an engine or transmission is not just another purchase it’s a major investment in your vehicle’s reliability and safety.
That’s why every unit we supply is carefully evaluated to meet strict quality and performance standards before shipment.
10+
Years of Trusted Service
Our Expertise
We specialize exclusively in powertrain components — delivering precision-tested solutions for every make and model.
Used Engines
Low-mileage engines thoroughly inspected and performance-tested to meet factory specifications. Every unit verified for compression, leak-down, and diagnostics.
Remanufactured Engines
Factory-spec rebuilt engines with comprehensive warranty coverage and documented testing. Restored to perform like new with certified components.
Used Transmissions
Quality automatic and manual transmissions tested for reliability and proper operation. Verified shift patterns, fluid integrity, and torque specifications.
Replacement Powertrain
Complete drivetrain solutions for all vehicle makes and models. Accurate part matching ensures perfect fitment and long-term dependability.