MERCURY Cylinder Outboard Oil Warning Module 14857A8 40HP

( Part Type: Oil Cylinder Module ), ( Warranty: 30 Days ), ( Manufacturer Part Number: 14857A ), ( Country Of Origin: United States )

Review MERCURY 40hp Cylinder Outboard Low Oil Warning Module Oem fits MARINER

The Mercury 14857A Mariner 40HP Cylinder Outboard Oil Warning Module is a crucial component designed to ensure the optimal performance and longevity of your Mercury Mariner 40HP outboard engine. This advanced module is responsible for monitoring the engine oil pressure and level, and it activates warning lights on the dashboard when necessary.

The 14857A Oil Warning Module is meticulously engineered to be highly reliable and sensitive. It uses a state-of-the-art oil pressure sensor to continuously monitor the oil pressure in the engine. Should the oil pressure drop below a safe level due to insufficient oil or a clogged oil filter, the module will activate the low oil pressure warning light on the dashboard.

Moreover, this module is also equipped with a sophisticated oil level sensor. It constantly checks the oil level in the engine to ensure it remains within the optimal range. If the oil level drops below the minimum safe level, the module will illuminate the low oil level warning light on the dashboard.

The Mercury 14857A Oil Warning Module is designed with ease of installation in mind. It is a direct replacement for the original equipment, making it simple for boat owners to upgrade their engines with this advanced module. The module is also waterproof and corrosion-resistant, ensuring it can withstand the harsh marine environment.

In summary, the Mercury 14857A Mariner 40HP Cylinder Outboard Oil Warning Module is an essential accessory for any Mercury Mariner 40HP outboard engine. It provides peace of mind by continuously monitoring the engine oil pressure and level, and it activates warning lights on the dashboard when necessary. With its advanced features, reliable performance, and easy installation, this module is a must-have for any boat owner seeking to maximize the performance and longevity of their engine.

Mercury 14857A/8 Mariner 40HP Cylinder Outboard Oil Warning Module: A Comprehensive Analysis

The Mercury 14857A/8 Mariner 40HP Cylinder Outboard Oil Warning Module is an essential component of your outboard engine, designed to alert you when it's time to change the engine oil. In this analysis, we will discuss the benefits and drawbacks of investing in this oil warning module.

1. Early Warning System: The oil warning module provides an early warning when the engine oil needs to be changed, helping you avoid potential engine damage and costly repairs.

2. Ease of Installation: The oil warning module is relatively easy to install, making it a convenient solution for boat owners who prefer a DIY approach or want to minimize their repair bills.

3. Enhanced Safety: Regular oil changes are crucial for the safe and efficient operation of your outboard engine. The oil warning module ensures that you stay on top of your maintenance schedule, providing added safety for you and your passengers.

4. Long-Term Cost Savings: By catching potential issues early, the oil warning module can help prevent costly repairs and maintenance, leading to long-term savings for boat owners.

1. Additional Cost: The Mercury 14857A/8 Mariner 40HP Cylinder Outboard Oil Warning Module is an additional expense for boat owners, requiring an investment upfront.

2. Compatibility: This oil warning module is specifically designed for Mercury Mariner 40HP outboard engines, limiting its versatility for boat owners with different engine models.

3. Dependence on Proper Maintenance: While the oil warning module provides an early warning, it relies on the boat owner to follow through with regular oil changes. Neglecting maintenance can still lead to engine damage and potential safety hazards.

The Mercury 14857A/8 Mariner 40HP Cylinder Outboard Oil Warning Module is a valuable investment for boat owners looking to ensure their outboard engines operate safely and efficiently. Despite the additional cost and compatibility limitations, the benefits of early warning, ease of installation, enhanced safety, and long-term cost savings make it a worthwhile consideration for those with Mercury Mariner 40HP outboard engines.

If you own a Mercury Mariner 40HP outboard engine and prioritize the safety and longevity of your boat, the Mercury 14857A/8 Mariner 40HP Cylinder Outboard Oil Warning Module is a recommended purchase. By providing an early warning for oil changes and ensuring you stay on top of your maintenance schedule, you can enjoy peace of mind on the water while minimizing potential repair costs and ensuring the overall performance and safety of your engine.

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 #: 14857a prices

• $39.99-$120.00

specifications vesselveep:

• for models: Mariner
• for makes: Mercury
• part type: Oil Cylinder Module
• warranty: 30 Days
• manufacturer part number: 14857A
• country of origin: United States

returns vesselveep:

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

seller vesselveep:

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

offer vesselveep:

• sold: 0
• best offers: True
• started: November 22, 2025
• availability: In Stock
• quantity: 1
• options: Ship-to-home

payments vesselveep:

• wallet: Apple-pay
• credit card: Diners-club
• other

shipping vesselveep:

• cost: $0.00
• carrier: USPS
• type: Fixed
• service: USPS Ground Advantage
• class: Standard
• transit: 4-10 Days

general vesselveep:

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

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