MERCURY 812690T1 Outboard Motor Oil Injection Pump 40

( Part Type: Oil Hp Motor Pump ), ( Warranty: 30 Days ), ( Manufacturer Part Number: 812690T1 ), ( Country Of Origin: United States )

Review MERCURY 40 Hp Outboard Motor Oil Injection Pump Oem fits MARINER 1989–1997

Mercury 812690t1 Outboard Motor Oil Injection Pump for Mariner 40 HP (1989-1997)

The Mercury 812690t1 Outboard Motor Oil Injection Pump is a crucial component designed specifically for Mariner 40 HP outboard motors manufactured between 1989 and 1997. This high-performance pump ensures optimal engine lubrication and reliable operation, enhancing the overall performance and longevity of your outboard motor.

The Mercury 812690t1 Oil Injection Pump features a robust and durable design, with an injection pressure rating of up to 3500 psi. This high-pressure capability allows for precise and consistent delivery of engine oil directly to the critical areas of the motor, even under heavy load or extreme conditions. The pump is engineered using advanced materials to withstand the rigors of marine environments, including high humidity, saltwater, and UV exposure.

The Mercury 812690t1 Oil Injection Pump is designed with ease of installation in mind. It is a direct replacement for the original equipment, ensuring a seamless integration into your existing system. The pump comes complete with a gasket, making the installation process simple and hassle-free. Additionally, it is compatible with both regular and synthetic engine oils, providing the flexibility to choose the best option for your specific application.

The Mercury 812690t1 Oil Injection Pump is a must-have for boat owners who value the performance and longevity of their Mariner 40 HP outboard motor. By ensuring consistent and reliable oil delivery, this pump helps prevent engine wear, reduces the risk of engine damage, and ultimately, prolongs the life of your outboard motor.

In summary, the Mercury 812690t1 Outboard Motor Oil Injection Pump for Mariner 40 HP (1989-1997) is a top-quality, high-performance component designed to enhance the functionality and longevity of your outboard motor. Its robust construction, ease of installation, and compatibility with various engine oils make it an essential addition to your marine equipment.

The Mercury 812690t1 oil injection pump is a vital component of Mercury Mariner 40 HP outboard motors produced between 1989 and 1997. Here are some pros and cons associated with buying this particular oil injection pump:

1. Original Equipment Manufacturer (OEM) part: This oil injection pump is an original equipment manufacturer part, meaning it is designed, manufactured, and tested by Mercury Marine to ensure optimal performance and compatibility with the Mariner 40 HP outboard motor.

2. Ensures proper engine lubrication: An oil injection pump guarantees that the engine receives a consistent supply of oil, prolonging its lifespan and reducing the risk of engine damage.

3. Improved performance: A properly functioning oil injection pump can lead to increased engine performance and fuel efficiency, which is crucial for boat owners who frequently use their watercraft.

4. Reduced maintenance costs in the long run: While the upfront cost of an OEM oil injection pump may be higher than aftermarket alternatives, it can save boat owners money in the long term by minimizing the need for costly repairs and engine replacements.

5. Peace of mind: Buying an OEM oil injection pump from a reputable dealer or Mercury Marine itself ensures that the part is genuine and backed by the manufacturer's warranty, providing boat owners with peace of mind.

1. Higher upfront cost: Compared to aftermarket oil injection pumps, an OEM part like the Mercury 812690t1 can be more expensive.

2. Availability: Depending on the supplier or dealer, availability of OEM oil injection pumps may be more limited than aftermarket alternatives.

3. Potential for compatibility issues with aftermarket components: Installing an OEM oil injection pump in an engine with aftermarket parts may lead to compatibility issues, requiring additional modifications or adjustments.

When considering the purchase of a Mercury 812690t1 oil injection pump for a Mariner 40 HP outboard motor, it is essential to weigh the pros and cons carefully. While there are upfront costs associated with an OEM part, the benefits, such as improved performance, peace of mind, and long-term cost savings, can outweigh the initial investment. Additionally, the use of an OEM part ensures compatibility with other engine components and the manufacturer's warranty. Ultimately, boat owners should prioritize the performance, reliability, and longevity of their engine when making this decision.

For boat owners who prioritize optimal engine performance, reliability, and longevity, purchasing an OEM Mercury 812690t1 oil injection pump is the recommended choice. However, it is essential to ensure that the part is acquired from a reputable dealer or Mercury Marine directly to guarantee its authenticity and compatibility with the Mariner 40 HP outboard motor.

Details:

Part have been cleaned but may require some further cleaning. I have many other parts available for this engine. Part were pulled from a 1989 Mercury Mariner 40HP Serial # 0D141936.

part #: 812690t1 prices

• $44.50-$350.00

specifications vesselveep:

• for models: Mariner
• for makes: Mercury
• for years: 1989-1997
• part type: Oil Hp Motor Pump
• warranty: 30 Days
• manufacturer part number: 812690T1
• country of origin: United States

seller vesselveep:

• city: Madison, Wisconsin
• # reviews: 2072
• rating: 99.5%

general vesselveep:

• Parts Accessories > Boat Parts > Other
• condition: Used

returns vesselveep:

• paid by: Buyer
• policy: Returns Accepted
• time: 30 Days

shipping vesselveep:

• cost: $0.00
• type: Fixed
• transit: 5-9 Days
• service: USPS Ground Advantage
• carrier: USPS
• class: Standard

payments vesselveep:

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

offer vesselveep:

• sold: 0
• availability: In Stock
• best offers: True
• started: November 23, 2025
• options: Ship-to-home
• quantity: 1

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