Grease Monkey Auto Promo Codes for September 2026

Buy a full service oil change today and receive $7 off or a free t-shirt.

Purchase battery replacement services and unlock $10 savings while restoring device performance efficiently.

Grab $15 OFF Full Service Full Synthetic Oil Change and maintain your vehicle with reliable and efficient care.

Save $5 on additional vehicle services (excluding oil changes) at participating locations with Grease Monkey Auto. Keep your car running smoothly while cutting service costs.

Take 10% off your next auto service at Grease Monkey Auto with this limited-time offer.

Get 30% off your Diesel Oil Change to maintain your heavy-duty vehicle's performance.

Ensure your vehicle meets regulatory standards with 15% off State Inspection and Emissions Testing.

Replace your vehicle's air filter for a set low price. This service helps maintain engine performance.

Maintain even tire wear and a smooth ride with 35% off Tire Rotation and Balancing.

Restore your braking efficiency with 30% off Brake Rotor Resurfacing. A smart choice for safer driving.

Maintain even tire wear and extend tire life with 30% off Tire Rotation and Balancing.

Extend the life of your tires and improve handling with 40% off Tire Rotation and Balancing.

Businesses with multiple vehicles can save on maintenance contracts. This applies to eligible fleet accounts.

Receive a fixed dollar amount off battery services. This includes testing and new battery installation.

New customers receive a percentage discount on their initial service. This applies to most preventative maintenance.

Receive a flat dollar amount off your next synthetic oil change. This special applies to all vehicle types.

Maintain your transmission's health with 35% off a Transmission Fluid Exchange. Smooth shifts guaranteed.

Get a radiator coolant flush at a competitive price. This prevents engine overheating.

Keep your engine running smoothly with 15% off a Synthetic Oil Change. Optimize performance and extend engine life.

Ensure peak performance for your diesel vehicle with 10% off a Diesel Oil Change.

Receive a fixed discount on replacing your serpentine belt. This is a critical engine component.

Combine an oil change with a complimentary tire rotation. This service extends tire life.

Discount on services designed for long-distance travel preparation. Ensure your vehicle is ready for the road.

High mileage oil changes are available with a direct dollar saving. This service is for vehicles over 75,000 miles.

Protect your engine from overheating and corrosion with $35 off a Radiator Coolant Flush.

Save on cleaning your vehicle's fuel system. This can improve fuel efficiency and performance.

Police, fire, and EMT personnel get a percentage discount on their vehicle services. Show valid identification.

Keep your engine running smoothly with 15% off a Synthetic Oil Change.

Ensure your diesel engine's longevity with 10% off a Diesel Oil Change. Quality service for hardworking vehicles.

Ensure optimal braking with 20% off Brake Rotor Resurfacing.

Improve tire longevity and vehicle handling with 40% off a Tire Rotation and Balancing service.

Restore fuel efficiency and engine power with 50% off a comprehensive Fuel System Cleaning.

Get a fixed discount on all oil changes performed on Tuesdays. This is a weekly recurring offer.

Keep your engine running smoothly with 15% off a Synthetic Oil Change, ensuring peak performance and longevity for your vehicle.

Active and retired military members receive a percentage off all services. Valid ID is required for this discount.

Ensure even tire wear and a smoother ride with $15 off Tire Rotation and Balancing.

Ensure peak performance for your diesel vehicle with 10% off a Diesel Oil Change. Protect your engine.

Keep your engine running smoothly with 15% off a Synthetic Oil Change. Optimal performance for your vehicle.

Keep your engine running smoothly with 15% off a Synthetic Oil Change.

Visit during morning hours to receive a dollar discount on oil change services. Specific times apply.

Improve your vehicle's interior air quality with 20% off a Cabin Air Filter Replacement.

Maintain your vehicle's engine health with a Conventional Oil Change, now available with a $10 discount.

Breathe easier with 15% off an Air Filter Replacement. Improve your vehicle's air quality and engine performance.

Get a percentage off your cabin air filter replacement. This improves air quality inside your car.

Ensure your safety with 15% off brake pad replacement. Grease Monkey Auto offers full service oil changes and more.