About Us

Mainstream Automotive Sales & Service, LLC has provided quality car care in Knob Noster, Missouri, since 1996. The family-owned business offers honest, professional automotive repair and maintenance services for customers in Knob Noster and surrounding areas.

Its ASE-certified technicians use current automotive technology and are equipped to perform major and minor repairs on foreign and domestic vehicles.

Mainstream Automotive Sales & Service, LLC is a certified NAPA AutoCare Center, combining the benefits of a national network with the personal service of a family-owned business. The team recognizes that a vehicle is a major investment and pledges to care for each customer’s vehicle as if it were its own.

Customers can visit the shop in Knob Noster or review the current promotions and specials.

About NAPA AutoCare

As a NAPA AutoCare Center, the business follows a code of ethics designed to set clear expectations for customers. Its commitments include:

• Performing high-quality diagnostic and repair services at a fair price using quality NAPA parts.
• Employing ASE-certified technicians.
• Remaining dedicated to customer satisfaction.
• Exercising reasonable care for customer property while it is in the shop’s possession.
• Obtaining prior authorization and providing a price estimate for work performed.
• Providing a fair process for resolving customer complaints.
• Maintaining high professional standards.
• Upholding the integrity of NAPA AutoCare Program members.

NAPA AutoCare Warranty

The shop offers the NAPA AutoCare Peace of Mind Warranty, providing 24 months or 24,000 miles of coverage on qualifying parts and labor. The warranty is honored at more than 14,000 NAPA AutoCare locations across the United States.