KUBOTA 1E051-72702 Thermostat Housing

( Manufacturer Part Number: 1E051-72702 ), ( Type: Thermostat Housing )

Review KUBOTA Oem Thermostat Housing fits RTV900 2004

The **Kubota RTV900 (Part Number: 1E051-72702) Thermostat Housing** from the 2004 model year is a precision-engineered component designed to regulate the engine s coolant temperature with reliability and efficiency. This robust, cast aluminum housing serves as the critical interface between the engine s thermostat and the cooling system, ensuring optimal thermal management for peak performance. Crafted from high-quality, heat-resistant aluminum alloy, the housing is built to withstand the demanding thermal cycles of Kubota s diesel engines, maintaining structural integrity even under prolonged exposure to elevated temperatures. Its compact yet durable design integrates seamlessly with the engine block, providing a secure and leak-proof seal through a precision-machined gasket surface, which helps prevent coolant leaks and ensures consistent fluid flow. The thermostat housing features a threaded inlet and outlet for the coolant passages, allowing for efficient circulation while minimizing turbulence, which is essential for maintaining engine temperature within the ideal operating range. This component is particularly vital for the RTV900, a versatile diesel engine known for its use in heavy-duty applications such as agricultural equipment, construction machinery, and industrial generators. The thermostat housing s robust construction and precise tolerances contribute to the engine s longevity by preventing overheating, reducing wear on critical components, and enhancing overall fuel efficiency. Whether used in original equipment applications or as a high-quality replacement part, this housing exemplifies Kubota s commitment to durability and performance, ensuring that the engine operates smoothly and reliably under varying workloads and environmental conditions.

### **Pros and Cons of buying a Kubota 1E051-72702 (2004 RTV900 Thermostat Housing)**

1. **Direct Compatibility** This part is specifically designed for the 2004 Kubota RTV900, ensuring a proper fit without modification. This reduces the risk of installation issues or leaks that could arise from using an incorrect or aftermarket part.

2. **Reliability** Kubota is a well-regarded manufacturer known for durable, high-quality components. A genuine or high-quality aftermarket thermostat housing should provide reliable performance, reducing the likelihood of frequent failures.

3. **Prevents Overheating** The thermostat housing plays a critical role in regulating engine temperature. A faulty or missing part can lead to overheating, which may cause severe engine damage. Replacing it ensures proper cooling system function.

4. **Easier Maintenance** If the original housing is damaged or leaking, replacing it is often simpler than repairing it, especially if the part is readily available. This can save time and labor costs compared to more complex repairs.

5. **Potential Cost Savings** In some cases, replacing a worn-out thermostat housing is cheaper than overhauling the entire cooling system or replacing the engine if overheating causes internal damage.

6. **Extended Lifespan of the Engine** A properly functioning thermostat housing helps maintain optimal operating temperatures, which can extend the engine s lifespan by reducing wear and tear on critical components like the head gasket, pistons, and bearings.

---

1. **Cost** Depending on whether you purchase a genuine Kubota part or an aftermarket alternative, the price may be higher than expected. Genuine Kubota parts can be particularly expensive, especially if sourced from authorized dealers.

2. **Availability and Lead Time** While this part is relatively common for the 2004 RTV900, it may not be in stock at local dealers. Ordering online could result in shipping delays, which may inconvenience you if you need the part urgently.

3. **Installation Complexity** Replacing the thermostat housing requires removing the radiator, draining coolant, and potentially replacing the thermostat itself. If you lack mechanical experience, you may need to pay for professional installation, adding to the cost.

4. **Potential for Counterfeit Parts** If purchasing from an untrusted seller (especially online), there is a risk of receiving a counterfeit or low-quality part. This could lead to premature failure or poor performance, negating the benefits of replacement.

5. **Additional Maintenance Costs** If the cooling system has been neglected (e.g., old coolant, clogged radiator), replacing just the thermostat housing may not fully resolve overheating issues. You might need to address other components (e.g., water pump, hoses, radiator) simultaneously, increasing expenses.

6. **Warranty Considerations** If your RTV900 is still under warranty, replacing the thermostat housing with an aftermarket part could void coverage for the cooling system. Always check warranty terms before proceeding.

---

Replacing the **Kubota 1E051-72702 thermostat housing** on your 2004 RTV900 is a practical and necessary repair if the part is failing or damaged. The benefits such as preventing engine damage, improving reliability, and maintaining optimal operating temperatures far outweigh the drawbacks in most cases. However, the cost, availability, and potential for additional repairs should be carefully considered before purchasing.

If you are confident in your mechanical skills or have access to a trusted mechanic, this is a worthwhile investment to avoid more costly engine issues down the line. Conversely, if the part is difficult to source or the installation is complex, weigh the option of consulting a professional to assess whether other cooling system components need attention simultaneously.

---

1. **Verify the Part Number** Double-check that **1E051-72702** is indeed the correct thermostat housing for your 2004 RTV900. Cross-reference with Kubota s service manual or a trusted parts supplier to avoid ordering the wrong component.

2. **Source from a Reputable Supplier** Purchase from an authorized Kubota dealer, a well-reviewed online retailer (e.g., RockAuto, PartsGeek, or eBay with verified sellers), or a local farm equipment co-op. Avoid unknown sellers to minimize the risk of counterfeit parts.

3. **Prepare for Installation**

- Drain the coolant before removing the radiator.

- Have a new thermostat (if needed) and coolant filter on hand.

- Consider flushing the cooling system if it hasn t been serviced in years.

4. **Budget for Additional Costs** If the cooling system shows signs of wear (e.g., leaking hoses, a failing water pump), allocate extra funds for these repairs to prevent future issues.

5. **DIY or Professional Installation?**

- If you have experience with small engine repairs, proceed with caution and follow Kubota s service procedures.

- If unsure, consult a mechanic to avoid mistakes that could lead to further damage or leaks.

6. **Check Warranty Status** If your RTV900 is under warranty, confirm whether the repair qualifies before using aftermarket parts.

**Final Verdict:** **Proceed with replacement.** The thermostat housing is a critical but relatively inexpensive component to maintain. Addressing it now will likely save you from far more expensive engine repairs later. Just ensure you source the part correctly and prepare for a thorough cooling system inspection.

Details:

See photos for exact condition. All parts are carefully packaged.

part #: 1e05172702 prices

• $64.99-$99.99

specifications cyclevintagee:

• for models: Rtv900
• for makes: Kubota
• for years: 2004
• mpn: 1e051-72702
• type: Thermostat Housing

offer cyclevintagee:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 1
• started: March 19, 2026

general cyclevintagee:

• condition: Used
• Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories

shipping cyclevintagee:

• transit: 4-8 Days
• cost: $0.00
• class: Standard
• type: Fixed
• service: Standard

seller cyclevintagee:

• rating: 99.9%
• city: Granton, Wisconsin
• # reviews: 1663

payments cyclevintagee:

• wallet: Paypal
• other
• credit card: Discover

returns cyclevintagee:

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