MARINEPRO 556162 Indmar Sensor 5.7L H.o. O2 2007-UP

( Brand: Marinepro ), ( Manufacturer Part Number: 556162 ), ( Part Type: Sensor )

Review MARINEPRO Indmar 5.7l.o. Sensor O2 2007 Up fits ASSAULT 340

The MarinePro 556162 Indmar 5.7L HO Sensor O2 340 Assault is a crucial component for maintaining optimal engine performance in select Indmar 5.7L High Output marine engines, specifically those used in the 2007-up models of the Assault series. This sensor plays a vital role in the engine management system by monitoring the oxygen level in the engine's exhaust gases.

The sensor is designed for marine applications and is built to withstand the harsh conditions often encountered on the water. It features a high-temperature design that can handle the extreme heat produced by the engine, ensuring accurate and reliable readings even under heavy load or prolonged use.

The MarinePro 556162 Indmar O2 sensor is a three-wire, wideband sensor, which provides a more precise and responsive reading of the oxygen content in the exhaust compared to traditional two-wire sensors. This results in improved fuel efficiency, reduced emissions, and better overall engine performance.

Installation of the sensor is straightforward and can be completed by most DIY enthusiasts or professional mechanics. It is designed to plug directly into the existing wiring harness on the engine, making it a simple and hassle-free upgrade.

When it comes to maintenance, the MarinePro 556162 Indmar O2 sensor requires minimal attention. It is designed to last for an extended period, and regular cleaning is the only recommended maintenance. The sensor's durable construction, combined with its essential role in engine function, makes it an essential investment for any boat owner with a compatible Indmar 5.7L High Output engine.

In summary, the MarinePro 556162 Indmar 5.7L HO Sensor O2 340 Assault is a high-performance, marine-grade O2 sensor specifically designed for select Indmar 5.7L High Output engines used in the 2007-up Assault series. It provides accurate and responsive oxygen level readings, ensuring improved fuel efficiency, reduced emissions, and better overall engine performance. Its high-temperature design and straightforward installation make it a must-have upgrade for any boat owner seeking optimal engine function and reliability.

The Indmar 5.7L HO Sensor O2 340 Assault is a crucial component for maintaining the optimal performance and fuel efficiency of a marine engine, specifically the 2007-up Indmar 5.7L HO 340 Assault engines. This sensor measures the oxygen content in the engine's exhaust gases to ensure that the engine's air-fuel mixture is correctly balanced. Here are some pros and cons to consider before purchasing this sensor:

1. Improved Engine Performance: A properly functioning oxygen sensor ensures the engine runs efficiently by maintaining the correct air-fuel mixture. This results in better combustion and increased power output.

2. Enhanced Fuel Economy: An oxygen sensor helps improve fuel economy by ensuring the most efficient combustion process. This results in fewer fuel emissions and ultimately saves money on fuel costs.

3. Longer Engine Life: Properly maintaining the air-fuel mixture can help extend the life of the engine by reducing wear and tear on internal components.

4. Compatibility: This sensor is designed specifically for Indmar 5.7L HO 340 Assault engines, ensuring a secure and reliable connection and optimal performance.

1. Cost: Oxygen sensors can be relatively expensive, especially when compared to other engine components. However, the long-term benefits in terms of engine performance and fuel economy can outweigh the initial cost.

2. Installation Complexity: Installing an oxygen sensor may require specialized tools and knowledge, which could add to the overall cost and time involved in the process.

3. Sensitivity: Oxygen sensors can be sensitive to contaminants in the exhaust gases, which can cause them to fail prematurely. Regular maintenance and inspection are necessary to ensure the sensor's longevity.

In conclusion, the Indmar 5.7L HO Sensor O2 340 Assault is a valuable investment for those with Indmar 5.7L HO 340 Assault engines. Its ability to improve engine performance, enhance fuel economy, and extend engine life make it a worthwhile purchase, despite the initial cost and installation complexity. Regular maintenance and inspection are essential to ensure the sensor's longevity and optimal performance.

Recommendation: If you own an Indmar 5.7L HO 340 Assault engine and you're looking to improve its performance and fuel economy while extending its life, consider investing in the Indmar 5.7L HO Sensor O2 340 Assault. Be sure to follow the installation instructions carefully and perform regular maintenance to ensure the sensor functions at its best.

Details:

556162 Sensor O2 5.7L 340 Assault 2007 Up MarinePro: Thumbnails to: PRODUCT SPECIFICATIONS: Brand: MarinePro. Condition: New. Replaces: 556162. We answer questions quickly.

Below the price of item. Manufacturer PN: 556162. Indmar 5.7L.O.

part #: 556162 price

• $73.75

specifications intengster:

• for models: 340, Assault
• brand: Marinepro
• mpn: 556162
• part type: Sensor

shipping intengster:

• class: Standard, Expedited
• cost: $8.13
• type: Calculated
• carrier: USPS, UPS
• service: USPS First Class, USPS Priority Mail, UPS Ground, USPS Priority Mail Express
• transit: 6-12 Days

offer intengster:

• sold: 0
• availability: In Stock
• quantity: 3
• options: Ship-to-home
• started: May 3, 2026

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general intengster:

• condition: New
• Boat Parts > Sterndrive Motors Components > Internal Engine Parts

returns intengster:

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

seller intengster:

• rating: 99.5%
• city: Hollywood, Florida
• # reviews: 78288

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