fits model: Srx440, Srx, 440. make: Yamaha. year: 1978–1979.

( Manufacturer Part Number: 8A7-12421-00-00 ), ( Type: Water Pump Impeller )
The Yamaha SRX440 and SRX water-cooled, four-stroke engines are renowned for their durability, reliability, and superior power output, especially during the 1978 and 1979 era. As an essential part of the water cooling system, the water pump plays a critical role in maintaining engine temperature and longevity. When it comes time for a replacement, the 8A7-12421-00-00 water pump housing is the OEM (Original Equipment Manufacturer) solution from Yamaha. This detailed product description provides a comprehensive understanding of the features, benefits, and specifications of this essential engine component.
Features:1. Versatility: The water pump housing (8A7-12421-00-00) is engineered to fit perfectly within SRX440 and SRX engines, ensuring optimal engine performance, reliability, and cooling efficiency.
2. High-Quality Material: Manufactured using durable cast aluminum, this component guarantees superior strength and longevity against corrosion and thermal stresses.
3. Precision Engineered: Engineered using advanced computer-aided design (CAD) tools and modern manufacturing processes, the housing ensures a precise fit and OEM quality.
4. Enhanced Cooling Performance: The innovative design of this water pump housing supports efficient cooling and steady engine temperature, which contribute to increased power output and overall engine longevity.
Benefits:1. Enhanced Performance: By maintaining optimal engine temperature, this water pump housing allows the SRX440 and SRX engines to deliver their maximum power output, ensuring exceptional performance and superior reliability.
2. Durability and Longevity: The durable cast aluminum construction withstands harsh marine environments and thermal stresses, guaranteeing a long service life, even under heavy loads and usage.
3. OEM Quality: With its genuine Yamaha part number and OEM design, this water pump housing is your best option for maintaining the original factory performance and reliability of your engine.
4. Easy Installation: This ready-to-install OEM component is designed to fit seamlessly into your existing water cooling system, ensuring a hassle-free replacement process.
Specifications:1. Part Number: 8A7-12421-00-00
2. Application: Yamaha SRX440 and SRX engines used from 1978 to 1979.
3. Material: Durable cast aluminum.
4. Design: Precision engineered for optimal fit and cooling efficiency.
5. Installation: Ready-to-install component for a hassle-free replacement process.
Conclusion:Should you require a replacement water pump housing for your Yamaha SRX440 or SRX engine from the years 1978 to 1979, the 8A7-12421-00-00 water pump housing is the ideal choice. This Genuine OEM component offers excellent cooling performance, durability, and ease of installation. Trust the experts at Yamaha for premium quality and peace of mind when it comes to maintaining the performance and reliability of your engine.
The Yamaha SRX440/SRX engine is a two-stroke, liquid-cooled, single-cylinder engine that was produced by Yamaha Motor Co. Ltd. between 1978 and 1980. The water pump housing part number 8A7-12421-00-00 (formodel years 1978 and 1979) is essential for maintaining the engine's cooling system. Here are some pros and cons of buying a new or rebuilt water pump housing for a Yamaha SRX440/SRX engine.
**Pros of buying a new water pump housing:**1. OEM part: A new water pump housing is an original equipment manufacturer (OEM) part, which ensures a perfect fit and compatibility with your engine.
2. Longer lifespan: A new water pump housing will have a longer lifespan compared to a rebuilt or used part since it is new and hasn't been used before.
3. Warranty: Buying a new water pump housing usually comes with a warranty, providing peace of mind and protection against potential future failures.
**Cons of buying a new water pump housing:**1. Cost: A new water pump housing is more expensive than a rebuilt or used part due to its newness and OEM status.
2. Availability: A new water pump housing may be harder to find, as it might not be readily available from every parts supplier, depending on your location or the specific model of your engine.
**Pros of buying a rebuilt water pump housing:**1. Cost-effective: A rebuilt water pump housing is usually less expensive than a new one since it is refurbished and not brand new.
2. Availability: Rebuilt water pump housings are more widely available and can be sourced from a variety of suppliers, making them a convenient option for those who do not want to wait for a new part.
**Cons of buying a rebuilt water pump housing:**1. Variability in quality: The quality of rebuilt water pump housings may vary, depending on the workmanship of the rebuilder.
2. No warranty: Unlike new water pump housings, rebuilt ones do not usually come with a warranty, which leaves the buyer responsible for any future failures.
When deciding whether to buy a new or rebuilt water pump housing for a Yamaha SRX440/SRX engine, it is important to consider factors like budget, availability, the engine's intended use (casual use vs. heavy use) or racing applications, and personal preference. For those seeking the highest quality and peace of mind, a new water pump housing would be the best choice. However, for cost-conscious buyers, a carefully researched and reputable rebuilt water pump housing may suffice while offering a more affordable alternative.
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