GATES 43255 Nos Water Pump

( Brand: Gates ), ( Manufacturer Part Number: 43255 ), ( Part Type: Pump ), ( Country Of Origin: United States ), ( Mfr Code: Gat )

Review GATES Nos Water Pump

The **Gates 43255 NO-S Water Pump** is a robust and high-performance hydraulic component designed to deliver reliable, consistent flow in demanding industrial, agricultural, and commercial applications. Engineered with precision, this pump features a **NO-S (No-Slip) design**, which ensures smooth operation and minimizes wear on the shaft and housing, extending the lifespan of the entire hydraulic system. Constructed from durable materials, including a **cast iron housing** and **steel shaft**, the 43255 is built to withstand heavy-duty use, making it ideal for applications such as agricultural equipment, construction machinery, forestry tools, and off-road vehicles where durability and efficiency are critical. Its **gerotor-type design** provides a compact yet powerful solution, offering smooth fluid displacement with minimal pulsation, which translates to quieter operation and reduced stress on connected components. The pump is compatible with a wide range of hydraulic fluids, including mineral-based oils, synthetic blends, and biodegradable fluids, ensuring versatility across different environments. Whether integrated into a tractor s power steering system, a skid steers hydraulic cylinder, or a logging machine s winch, this pump delivers **consistent pressure and flow rates**, enhancing overall system performance. With its **sealed design**, it effectively prevents contamination from entering the pump, reducing maintenance requirements and downtime. The Gates 43255 NO-S Water Pump exemplifies reliability, efficiency, and long-term durability, making it a trusted choice for professionals who demand performance without compromise.

### Pros and Cons of buying a Gates 43255 NO-S Water Pump

1. **High Quality and Durability** Gates is a well-established brand known for manufacturing robust, long-lasting components. The 43255 model is designed to handle demanding conditions, making it suitable for heavy-duty applications, including performance vehicles and commercial trucks.

2. **Compatibility with Multiple Applications** This water pump is designed for use in a variety of engines, including those from Ford, GM, and other manufacturers. It is commonly used in cooling systems where a standard belt-driven pump may not suffice, such as in high-performance or turbocharged setups.

3. **NO-S (Non-Oil Slip) Design** The "NO-S" designation indicates that this pump is designed to operate without relying on oil for lubrication, reducing the risk of contamination in the cooling system. This feature is particularly beneficial in applications where oil and coolant mixing could cause issues.

4. **Efficient Cooling Performance** The pump is engineered to provide strong water flow, ensuring effective cooling of the engine. This is critical for preventing overheating, especially in high-performance or high-load scenarios.

5. **Ease of Installation** Gates water pumps are generally straightforward to install, often requiring only basic tools. The design is compatible with standard pulley systems, making it a convenient upgrade or replacement option.

6. **Warranty and Support** Gates offers warranties on its products, and the brand has a strong reputation for customer support. This can provide peace of mind in case of defects or installation issues.

7. **Cost-Effective for Long-Term Use** While the upfront cost may be higher than some generic alternatives, the durability and performance of the Gates 43255 NO-S pump often justify the investment by reducing the likelihood of frequent replacements or cooling system failures.

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1. **Higher Initial Cost** Compared to generic or aftermarket water pumps, the Gates 43255 NO-S is more expensive. This may be a deterrent for budget-conscious buyers or those looking for a basic replacement.

2. **Specialized Applications** While versatile, this pump is not universally compatible with all vehicles or engines. It is specifically designed for certain applications (e.g., high-performance or turbocharged setups), so buyers must ensure it matches their vehicle s requirements. Using it in an incompatible system could lead to poor performance or damage.

3. **Limited Availability of Parts** Gates pumps may not be as widely stocked as some other brands, particularly in smaller or specialized automotive shops. This could make replacements or repairs more difficult to source quickly.

4. **Installation Complexity for Non-Experienced Users** Although generally straightforward, installing a water pump especially in tight engine bays can be challenging for those without mechanical experience. Improper installation could lead to leaks, misalignment, or other issues.

5. **Potential for Overkill in Mild Applications** For standard, non-performance vehicles, a high-end pump like the Gates 43255 NO-S may offer more performance than necessary. In such cases, a more affordable pump could suffice without sacrificing reliability.

6. **Noise Considerations** Some users report that certain Gates water pumps, including this model, can generate more noise than standard pumps due to their robust construction. While this is usually minimal, it may be noticeable in quiet engine bays.

7. **Compatibility with Coolant Types** The pump s performance can be influenced by the type of coolant used. While it is designed to work with most coolant formulations, using incompatible or degraded coolant could affect its longevity or efficiency.

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The Gates 43255 NO-S water pump is an excellent choice for those seeking a high-performance, durable, and reliable cooling solution, particularly in high-demand applications such as turbocharged engines, performance vehicles, or commercial trucks. Its NO-S design reduces the risk of coolant contamination, and its robust construction ensures long-term functionality. However, the higher cost and specialized nature of the pump may not be justified for standard vehicles or budget-conscious buyers. Additionally, compatibility with the specific vehicle and proper installation are critical to maximizing its benefits.

For most high-performance or heavy-duty applications, the Gates 43255 NO-S pump is a strong recommendation due to its proven track record and superior engineering. However, for everyday driving or non-performance vehicles, a more affordable pump may be sufficient.

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- You are upgrading a high-performance, turbocharged, or commercial vehicle s cooling system.

- You prioritize durability, efficiency, and long-term reliability over cost.

- Your vehicle s manufacturer or performance requirements specifically call for a NO-S or high-flow water pump.

- You are willing to invest in a premium component that reduces the risk of cooling-related failures.

- You are working with a standard vehicle and do not require the extra performance of a NO-S pump.

- Budget constraints make the higher cost of the Gates pump prohibitive, and you are willing to accept a slightly lower-end option.

- You are unsure about compatibility or installation and prefer to consult a professional before purchasing.

Ultimately, the Gates 43255 NO-S water pump is a top-tier product for the right applications, but careful consideration of your vehicle s needs and budget is essential.

Details:

Condition: Please refer to the Condition and high-resolution photos for most accurate assessment. Included: Only what is pictured/listed.

part #: 43255 prices

• $30.00-$99.44

specifications ocoosys:

• brand: Gates
• mpn: 43255
• part type: Pump
• country of origin: United States
• mfr code: Gat

returns ocoosys:

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

seller ocoosys:

• # reviews: 43999
• city: Peralta, New Mexico
• rating: 99.8%

offer ocoosys:

• sold: 0
• best offers: True
• started: May 11, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 1

shipping ocoosys:

• class: Standard, Expedited
• service: USPS Ground Advantage, USPS Priority Mail
• cost: $6.00
• transit: 4-8 Days
• type: Fixed
• carrier: USPS

payments ocoosys:

• credit card: Discover
• other
• wallet: Apple-pay

general ocoosys:

• Car Truck Parts Accessories > Engine Cooling Components > Other Engine Cooling Components
• condition: New other see details

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