VOLVO PENTA 21552128 Oxygen Sensor Sterndrive O2

( Brand: Volvo Penta ), ( Manufacturer Part Number: 21552128 ), ( Part Type: Sensor Sterndrive ), ( Country/region Of Manufacture: United States )

Review VOLVO PENTA Oxygen Sensor Oem O2 Sterndrive

The Volvo Penta 21552128 Oxygen Sensor is an essential component in the exhaust system of Volvo Penta sterndrive applications. This sensor is specifically designed to measure the amount of oxygen in the exhaust gases, providing vital information for the engine management system to optimize fuel delivery and promote efficient combustion.

The Volvo Penta 21552128 Oxygen Sensor is a heated zirconia sensor, which means it contains a ceramic material called zirconia that changes resistance based on the oxygen levels present in the exhaust gas. The sensor is also equipped with a heating element that ensures a consistent operating temperature, even in cold environments, for accurate readings.

This oxygen sensor comes with a thread size of 1/4 NPT (National Pipe Thread) and a length of approximately 2.5 inches (63.5mm). The sensor housing is made of high-strength materials to withstand the rigors of marine applications and features a durable, watertight seal to prevent leaks.

The Volvo Penta 21552128 Oxygen Sensor is an important investment for maintaining the performance and efficiency of your Volvo Penta sterndrive system. Regular replacement of this sensor as recommended by your engine service manual can help ensure optimal engine operation and prolong the life of your exhaust system.

To install the sensor, simply remove the old sensor from the exhaust system, thread the new sensor into place, and secure it with the provided gasket and clamp. Be sure to follow the instructions in your engine service manual for proper installation and torque specifications to ensure a proper seal and accurate readings.

In summary, the Volvo Penta 21552128 Oxygen Sensor is a critical component of your sterndrive system that helps optimize engine performance and efficiency. Its heated zirconia design ensures accurate oxygen level readings, even in cold environments, while its robust housing withstands the harsh marine environment. Regular replacement of this sensor as recommended by your engine service manual is essential for maintaining the performance and longevity of your Volvo Penta sterndrive system.

Volvo Penta Oxygen Sensor O2 Sterndrive (Part Number: 21552128) is a crucial component of your Volvo Penta sterndrive system, responsible for monitoring the engine's exhaust gases to ensure optimal fuel combustion. Here are some pros and cons that might help you decide whether to purchase this oxygen sensor.

1. Improved Engine Performance: A faulty oxygen sensor can lead to poor engine performance, including rough idling, decreased gas mileage, and reduced power output. Replacing the sensor can help restore your engine's performance to its optimal level.

2. Enhanced Emissions Compliance: Oxygen sensors are essential for maintaining your engine's emissions control system. A faulty sensor can cause your vehicle to emit higher-than-allowed levels of pollutants, potentially leading to costly fines or repairs.

3. Longer Engine Life: By maintaining proper fuel-air mixture and ensuring efficient combustion, a functioning oxygen sensor can help extend the life of your engine.

4. Cost-Effective: Compared to other engine repairs, replacing an oxygen sensor is relatively inexpensive and can save you significant money in the long run by preventing more extensive engine damage.

1. Labor Costs: While the oxygen sensor itself is an affordable part, the labor costs associated with its replacement can be quite high, especially if you don't have the necessary tools and expertise to perform the job yourself.

2. Potential for False Positives: In some cases, a faulty oxygen sensor may cause your engine's check engine light to illuminate even if the sensor itself is functioning correctly. This can lead to unnecessary replacement costs.

3. Limited Lifespan: Oxygen sensors typically have a lifespan of around 50,000 to 100,000 miles, so even if you're not currently experiencing issues, it's a good idea to replace it as a preventative measure when you reach this mileage threshold.

In conclusion, while there are some potential downsides to purchasing a Volvo Penta 21552128 oxygen sensor, the benefits of improved engine performance, emissions compliance, and longer engine life far outweigh the costs. If your vehicle's check engine light is illuminated or you're approaching the recommended replacement mileage, it's a worthwhile investment to ensure the continued optimal operation of your engine.

Recommendation: If you're experiencing issues with your Volvo Penta sterndrive, or if you're approaching the recommended mileage replacement threshold, consider purchasing a new Volvo Penta 21552128 oxygen sensor to maintain the performance and longevity of your engine. Additionally, consider doing the replacement yourself to save on labor costs if you have the necessary skills and tools.

Details:

Up for sale is a Volvo Penta oxygen sensor part number 21552128. This is a new OEM part in the factory package.

part #: 21552128 prices

• $89.99-$276.00

specifications otsterndriv:

• for makes: Volvo
• brand: Volvo Penta
• mpn: 21552128
• part type: Sensor Sterndrive
• country/region of manufacture: United States

returns otsterndriv:

• policy: No Returns

payments otsterndriv:

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

shipping otsterndriv:

• transit: 4-7 Days
• cost: $0.00
• class: Standard
• service: USPS Ground Advantage
• carrier: USPS
• type: Fixed

general otsterndriv:

• condition: New
• Boat Parts > Sterndrive Motors Components > Other

seller otsterndriv:

• rating: 100.0%
• city: Mesa, Arizona
• # reviews: 10596

offer otsterndriv:

• availability: In Stock
• quantity: 1
• started: April 25, 2025
• options: Ship-to-home
• sold: 0

Volvo Penta 21552128 Is Similar To:

• 0312797 3852111 Volvo Penta Lot Of New Oem Thermostat Gaskets (42.5% similar) This is a factory original equipment, not aftermarket...(December 19th, 2018)
• 1219237 Volvo Penta Cylinder Connecting Rod (33.7% similar) Condition is used. These are factory parts Volvo Penta AQ120B 4 cylinder connecting rod. Skirt dimensions are the rods matched...(March 29th, 2019)
• 12554256 12554257 Gm Volvo Penta Vortec Valve Covers Pair (33% similar) 3l vortex v6 in good condition. What you see is will receive. Used pair of valve covers from a Volvo Penta gm...(February 17th, 2019)
• 1276141-7 Volvo Penta Nos Oem Marine (47.7% similar) Nos oem Volvo Penta marine...(October 26th, 2018)
• 1332644-2 Volvo Penta Nos Oem Head Gasket Cyl Ships From Usa (37.5% similar) ...(April 12th, 2019)
• 1378493 897244-0 876356-7 430039-8 876300-5 Volvo Penta Lot (25.2% similar) 00GASKET kit 00WASHER 99GASKET Volvo Penta parts lot 1INCLUDES the following items gasket estimated retail value 12. 99HEAD gasket 3VOLVO Penta part 8VOLVO 90VOLVO 1HEAD set...(October 18th, 2018)
• 1378645-4 Volvo Penta Omc Stern Drive Cylinder Head Gasket (43.6% similar) ...(October 12th, 2018)
• 1378879-1 Volvo Penta Stern Drive Intake Gasket Or New (39.6% similar) Factory oem gasket...(March 9th, 2019)
• 1378909 Volvo Penta Stern Drive Valve Cover Gasket Oem New (38.2% similar) T452D Jocelyn. New part in its original packaging...(September 25th, 2018)
• 15294-c Volvo Penta Power Steering Fits (44% similar) Good clean unit frees...(September 28th, 2018)
• 170340 Tempo Marine Lower Gear Case Drain Plug Gasket Volvo Penta (18.8% similar) Tempo marine lower gear case drain plug gasket Volvo Penta VOP340...(October 25th, 2018)