MERCURY 8M0021550 Optimax Air Injector 135-250 1999-UP 8M0072169

( Manufacturer Part Number: 8M0021550 ), ( Part Type: Hp Injector ), ( Country/region Of Manufacture: United States )

Review MERCURY Hp Optimax Blue Air Injector Assy 1999 Up

Mercury Optimax Air Injector System (8M0021550) for Outboard Motors (135-250 HP) - 1999 up to the Latest Models (8M0072169)

Experience unparalleled engine performance and efficiency with the Mercury Optimax Air Injector System (8M0021550). Designed for outboard motors with a horsepower range of 135 to 250, this air injection system is a perfect fit for Mercury outboard engines from the year 1999 and onwards, as indicated by part number 8M0072169.

The Optimax Air Injector System is a key component in Mercury's advanced combustion system, playing a crucial role in delivering cleaner emissions and improved fuel economy. This system injects fuel-air mixture into the cylinder, promoting complete combustion and minimizing harmful emissions.

The 8M0021550 air injector is meticulously engineered to withstand the rigors of high-performance outboard motor usage. It features a durable design, ensuring longevity and reliability even under the most demanding conditions.

Installation is straightforward, thanks to Mercury's attention to detail in the design and manufacturing process. The air injector is easy to replace, making routine maintenance a breeze.

Upgrade your Mercury outboard motor with the Optimax Air Injector System (8M0021550). With this system, you'll enjoy enhanced engine performance, improved fuel efficiency, and cleaner emissions, ensuring your boat performs at its best, year after year. This air injection system is a wise investment for any serious boater, offering unmatched quality and performance.

The Mercury 8M0021550 135-250 HP Optimax Air Injector (8M0072169) is a marine engine part designed for use on Mercury outboard motors from 1999 and up. Here are some pros and cons to consider before making a purchase:

1. Reliability: Mercury is a well-known brand with a reputation for building high-quality marine engines, and this part should be no exception.

2. Wide power range: This engine offers a power range of 135-250 HP, making it suitable for a wide variety of boats and water activities.

3. Air injection system: The air injection system helps to reduce carbon monoxide emissions and improve the engine's performance.

4. OEM part: As an original equipment manufacturer (OEM) part, it is specifically designed to work with Mercury outboard motors, ensuring a proper fit and function.

1. Cost: As a genuine OEM part, this engine may be more expensive than aftermarket alternatives.

2. Availability: Depending on your location, it may be difficult to find a local supplier or dealer that carries this specific part.

3. Limited compatibility: This engine is only compatible with Mercury outboard motors from 1999 and up, so it may not be suitable for other brands or older models.

In conclusion, the Mercury 8M0021550 135-250 HP Optimax Air Injector (8M0072169) is a reliable and high-performing marine engine part. If you own a Mercury outboard motor from 1999 or later and are in need of a replacement engine, this part is a good choice. However, it may be more expensive than aftermarket alternatives and may be difficult to find in some locations. If cost or availability is a concern, you may want to consider an aftermarket part or shop around for a better deal. Ultimately, the decision will depend on your specific needs and budget.

Details:

L529290a It fits 135/150/175/200/225/250 HP Optimax motors from 1999 and up that use the Blue colored injector or to replace Black injectors. It is Merc part # 8M0072169 replaces 883078-3 and same as 8M0021550, 8M0072169, 883078A4, 883078-3, 8M6001743, 883078A1. It has been cleaned, tested and is in good working condition. 135-250 HP Mercury Optimax BLUE Air Injector Assay 1999 UP 8M0021550 883078-3 8M0072169 883078A4.

part #: 8m0021550 price

• $100.00

specifications ouboaen:

• for makes: Mercury
• mpn: 8m0021550
• part type: Hp Injector
• country/region of manufacture: United States

general ouboaen:

• Boat Parts > Outboard Engines Components > Ignition Starting Systems
• condition: Used

payments ouboaen:

• credit card: Diners-club
• wallet: Paypal
• cash
• other

returns ouboaen:

• time: 14 Days
• paid by: Buyer
• policy: Returns Accepted

shipping ouboaen:

• type: Fixed
• transit: 3-8 Days
• service: USPS Ground Advantage
• class: Standard
• cost: $7.00
• carrier: USPS

seller ouboaen:

• # reviews: 1448
• city: Largo, Florida
• rating: 100.0%

offer ouboaen:

• availability: In Stock
• sold: 0
• started: September 29, 2025
• options: Ship-to-home
• quantity: 1

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