fits model: Mariner. make: Mercury. year: 1972–1979.

( Manufacturer Part Number: 1630-4921A ), ( Part Type: Gear Housing ), ( Color: Black ), ( Year: 1970s )
The 1630-4921A gear housing for Mercury Mariner outboard motors, specifically designed for models from 1972 to 1979, is an essential component of your marine engine's drivetrain system. This gear housing is meticulously crafted from high-quality materials, ensuring durability and reliability under the harsh marine environment.
The 1630-4921A gear housing features a robust design, with precise machining to ensure a perfect fit with your Mercury Mariner outboard motor. Its inner geometry is optimized for smooth operation, reducing friction and wear, thereby extending the lifespan of your engine. The housing is also designed to withstand the corrosive effects of saltwater, ensuring that it remains in excellent working condition even after years of use.
The 1630-4921A gear housing is easy to install, with clear instructions and mounting hardware included in the package. It is also compatible with various Mercury Mariner outboard models, making it a versatile solution for boat owners.
In summary, the 1630-4921A gear housing is a crucial component for maintaining the performance and longevity of your Mercury Mariner outboard motor. Its high-quality construction, robust design, and easy installation make it an excellent choice for boat owners seeking to enhance the functionality and reliability of their marine engines.
Pros of buying a 1630-4921A gear housing for a Mercury Mariner outboard from the 1972-1979 model year:1. Compatibility: This gear housing is specifically designed for Mercury Mariner outboards from the mentioned model years, so it should fit perfectly and work seamlessly with your engine.
2. Availability: It's likely that you'll be able to find this part easily online or at a marine parts retailer, as it's a common replacement part.
3. Price: Replacement gear housings can be expensive, but the 1630-4921A is a relatively affordable option compared to some others on the market.
Cons of buying a 1630-4921A gear housing for a Mercury Mariner outboard from the 1972-1979 model year:1. Wear and tear: If the gear housing is being replaced due to wear and tear, it's possible that other parts of the engine may also need to be replaced soon.
2. Installation: Replacing a gear housing can be a complex and time-consuming process, so you may need to hire a professional to do the job.
3. Quality: While the 1630-4921A is a reputable part, there's always a risk that the specific unit you purchase may not be of the highest quality.
In conclusion, buying a 1630-4921A gear housing for a Mercury Mariner outboard from the 1972-1979 model year can be a cost-effective solution for replacing a worn-out part. However, it's important to consider the potential need for other repairs and the complexity of the installation process. If you're unsure whether this part is the right fit for your engine, it may be worth consulting with a professional marine mechanic. Overall, it's always best to weigh the pros and cons carefully before making a purchase to ensure that you're getting the best value for your money.
T220f amber. Mercury Mariner gear housing assembly part numbers:1630-4921a 1, 4921a 4921a1the case should fit some outboard model's from please compare your number with ours.