CRC Industries is a leading global manufacturer of highly specialized chemical formulas. Dedicated to providing the best solutions across a variety of industries for both maintenance and repair professionals and DIY mechanics, CRC provides the automotive aftermarket with a collection of top-of-the-line, professional-grade chemical formulas. CRC has developed specialty chemicals to service these major automotive categories: brakes, electrical system, fuel systems, engine, cooling system, transmission and drivetrain, and power steering system. For fast and effective service solutions, trust CRC products to increase performance, improve appearance, and offer unmatched protection. CRC’s trademarked brands include CRC®, K&W®, Sta-Lube®, SmartWasher®, Marykate®, and WELD-AID®.
Used and trusted for over 25 years, the CRC Guaranteed to Pass® Emissions System Cleaner is easy-to-use and safe for all gasoline engines. This advanced detergent formula is designed to remove harmful deposit build-up in fuel systems to restore system health and fuel economy, while also improving acceleration, response time, and vehicle performance.
Avoid the expense of a costly gasoline direct injection (GDI) engine tear-down by removing carbon buildup from the intake valves with CRC’s GDI IVD® Intake Valve & Turbo Cleaner. This specialized formula can break down carbon deposits, increase power and torque, solve starting problems, and reduce emissions to improve engine performance.
This one-of-a-kind Mass Air Flow Sensor Cleaner by CRC is the first cleaner specifically designed to remove build-up and debris from mass air flow (MAF) sensors and restore their operation and performance. This formula can increase horsepower and enhance fuel efficiency without replacing the mass air flow sensor, and is safe to use on nearly all other car parts as needed.
Brakleen® Non-Chlorinated Brake Parts Cleaner is the newest innovation in a long line of trusted CRC brake parts cleaning products. With a new and improved formula that’s safe to use on all brake system components, this powerful brake cleaner works faster and dries quickly to help you get the job done in no time.
Maintaining clean brake and disc parts can improve the life of your car's braking system and keep you safe on the roads. Using a brake cleaner for cleaning and degreasing is a great way to maximize the performance and increase the longevity of your entire brake system. While there are several brake cleaners on the market, not all can guarantee the cleaning power and effectiveness you need. CRC Brakleen has consistently been a top choice of automotive professionals for the past 50 years.
The CRC Parts Cleaner and Degreaser spray-on formula is easy and safe to use on a variety of automotive applications, including carburetors, chokes, air intakes, throttle bodies, brake drums, rotors, and brake calipers. Clean parts up to 14 times faster with CRC’s advanced grease-removing and cleaning technology.
20% OFF $125+ WITH PROMO CODE: GREEN20, Online Only
Get 20% off $125 with promo code GREEN20. Online, ship to home only. 04/23/26 – 04/27/26. *Maximum discount $50.
20% off $125+: Valid on regularly priced in-stock items for Ship to Home orders that when purchased together total $125 or more (before tax, shipping and discount) on the website only. Excludes AIRAID, B&M, Bully Dog, DeVilbiss, Edelbrock, Flowmaster, Holley, Hurst, Ingersoll-Rand, K&N, MSD, SCT, and Spectre items.
To Redeem Offer: Add qualifying items totaling $125 or more to your shopping cart and select “Ship” as your delivery method. Enter promo code GREEN20 in the cart. The total in your shopping cart will be adjusted after promo code is applied. Excluded brands contribute toward minimum purchase amount to qualify for offer but are not eligible for discount. (Maximum $50.00 Discount.) Valid Thursday, April 23rd to Monday, April 27th, 2026 (11:59pm Hawaii Time Zone). Coupon code is not redeemable for cash, is nontransferable and cannot be replaced if lost or stolen. Not valid on same-day delivery orders. Void if copied, transferred or where prohibited by law. Customer pays sales tax and shipping fees.
Offer subject to adjustment due to returns, cancellations and exchanges. Additional taxes and duties may apply. Not valid with any other promotional gift with purchase. Offer may be modified or discontinued at any time without notice.
Offer Terms: Offer does not apply to gift card orders. Offer does not apply to Lead-Acid batteries. Cannot be used in combination with any other certificates, offers, or discounts or for payment on account. Not valid on previous purchases or store purchases. Shipping & handling and taxes do not qualify towards the minimum purchase. Valid for retail customers only. OReillyAuto.com only ships orders within the U.S.
Excluded Brands: Offer does not apply to AIRAID, B&M, Bully Dog, DeVilbiss, Edelbrock, Flowmaster, Holley, Hurst, Ingersoll-Rand, K&N, MSD, SCT, and Spectre items.