ACDELCO 88861803 Upper Engine Fuel Injector Cleaner 16OZ

( Brand: Acdelco ), ( Manufacturer Part Number: 88861803 ), ( Type: Fuel Injector ), ( Manufacturer Warranty: 1 Year ), ( Oe/oem Part Number: X66p88861803 ), ( Performance Part: No )

Review ACDELCO Upper Engine And Fuel Injector Cleaner 16oz

Acdelco 88861803 Upper Engine Fuel Injector Cleaner (16oz) - A Comprehensive Solution for Fuel System Efficiency

The Acdelco 88861803 Upper Engine Fuel Injector Cleaner is a premium, high-performance solution designed to maintain and optimize the fuel system of your vehicle. This 16-ounce bottle packed with advanced cleaning agents is a powerful ally in ensuring the longevity and efficiency of your engine.

The Acdelco fuel injector cleaner is specifically engineered to penetrate and dissolve harmful deposits that can accumulate in the upper cylinder and intake valves, causing performance issues. By restoring the fuel injectors to optimal condition, this product enhances the combustion process, promoting increased power, improved fuel efficiency, and smoother engine operation.

Formulated with high-quality ingredients, this fuel injector cleaner effectively cleans varnish, carbon, and other deposits that can impair fuel atomization and combustion efficiency. The product is also designed to protect against future deposit build-up, ensuring continuous performance and upkeep of your vehicle's engine.

The easy-to-use formula allows for quick and hassle-free application. Simply pour the entire bottle into the gas tank and run the vehicle as usual. The cleaner will circulate through the fuel system during normal operation, delivering a thorough and effective clean.

Invest in the Acdelco 88861803 Upper Engine Fuel Injector Cleaner to experience a noticeable improvement in your vehicle's performance, fuel efficiency, and overall engine health. With regular use, you can be confident in the long-term care and maintenance of your vehicle's fuel system.

AcDelco 88861803 Upper Engine Fuel Injector Cleaner (16oz) - A Comprehensive Analysis

1. Designed by a renowned automotive manufacturer (General Motors) and their subsidiary (AcDelco).

2. Formulated to clean and protect fuel injectors, intake valves, and combustion chambers, enhancing engine performance.

3. Contains powerful cleaning agents that help remove deposits, ensuring optimal fuel efficiency and engine power.

4. Compatible with gasoline engines, including those with catalytic converters and oxygen sensors.

5. Easy to use - simply add to the gas tank and drive.

1. May not be effective on heavily fouled engines that require a more aggressive cleaner or professional service.

2. Some users have reported no noticeable improvement in engine performance after use.

3. The cleaning process may cause temporary performance issues such as rough idling or reduced power, though these effects are usually short-lived.

4. Relatively more expensive compared to some generic fuel injector cleaners in the market.

The AcDelco 88861803 Upper Engine Fuel Injector Cleaner is a high-quality product from a trusted brand, offering a comprehensive clean for your engine's fuel injectors, intake valves, and combustion chambers. Despite being priced higher than some competitors, its reliable performance and compatibility with various engine types make it an attractive choice for many car owners.

However, it's essential to keep in mind that this product may not provide the desired results for heavily fouled engines or for those seeking a more cost-effective solution. In such cases, it might be worth considering a more aggressive cleaner or professional service.

If you're looking for a fuel injector cleaner that offers reliable performance and is backed by a trusted automotive manufacturer, the AcDelco 88861803 Upper Engine Fuel Injector Cleaner is a solid choice. However, it's recommended to periodically monitor your engine's performance after use and consider professional assistance if no significant improvement is observed.

Details:

With an OE/OEM part number of x66p88861803 and a manufacturer X66P 88861803, this ACDELCO cleaner is reliable solution for maintaining your vehicles fuel system. This is new but been sitting in my garage collecting dust. The product is specifically formulated for removing buildup and deposits from fuel injectors, ensuring optimal performance efficiency your vehicles engine. It is unused.

Manufactured by ACDelco, a trusted brand in automotive parts, this cleaner is guaranteed 1-year manufacturer warranty. The ACDELCO Upper Engine And Fuel Injector Cleaner is a 16oz product designed to effectively clean fuel injectors in vehicles.

part #: 88861803 prices

• $155.00-$190.00

specifications carfuelinjector:

• brand: Acdelco
• mpn: 88861803
• type: Fuel Injector
• manufacturer warranty: 1 Year
• oe/oem part number: X66p88861803
• performance part: No

offer carfuelinjector:

• best offers: True
• started: July 26, 2025
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• sold: 0

returns carfuelinjector:

• policy: No Returns

general carfuelinjector:

• Air Fuel Delivery > Fuel Injection Parts > Fuel Injectors
• condition: New

payments carfuelinjector:

• credit card: Visa
• wallet: Apple-pay
• other

shipping carfuelinjector:

• transit: 5-11 Days
• class: Standard
• type: Calculated
• cost: $13.20
• service: USPS Ground Advantage
• carrier: USPS

seller carfuelinjector:

• # reviews: 85
• rating: 100.0%
• city: Lewisburg, Tennessee

Acdelco 88861803 Is Similar To:

• Fuel Injector-M Port Kit ACDelco GM Original Equipment 12456154 (27.2% similar) Information like which side a part fits left or right and specific vehicle. All available information about this part is included here in the listing...(April 29th, 2014)
• ACDELCO OE SERVICE 12587077 Fuel Injection O-Ring (34.2% similar) Est, Mon to Fri...(March 6th, 2014)
• ACDELCO OE SERVICE 12633913 Fuel Injector-Direct Fuel Injector (32.3% similar) ...(January 23rd, 2014)
• ACDELCO THROTTLE BODY BIG BLOCK TBI FUEL INJECTORS amp SEAL KIT V8 7.4L 17084304 (15.3% similar) ...(May 9th, 2014)
• ACDELCO OE SERVICE 19244615 Fuel Injector-Fuel Injector MFI New (38.8% similar) Founded by Jerry and Saran Holocaust in 1986 they associated themselves with the best products available. H&h wholesale parts is a family run, wholesale fleet parts based business that originally opened in 1986...(February 1st, 2014)
• ACDELCO OE SERVICE 19244616 Fuel Injector MFI NEW (38.6% similar) Snippets has both the product selection and quality range to fit diversified needs...(April 16th, 2014)
• ACDELCO OE SERVICE 19244622 Fuel Injector MFI NEW (36.8% similar) We dedicate ourselves to giving you the service and ca...(March 26th, 2014)
• ACDELCO OE SERVICE 217-1419 Fuel Injection O-Ring (34.2% similar) We dedicate ourselves to giving you the service and care that you exp...(January 12th, 2014)
• ACDelco GM Original Equipment 217-1632 Fuel Injector M Port Kit (47.6% similar) ...(March 18th, 2014)
• ACDelco 217-2286 Fuel Injector (47.8% similar) Acdelco pro...(January 14th, 2014)
• ACDelco Fuel Injector 217-3028 (45.7% similar) ...(January 16th, 2014)