ROVER W584A Thermostat Housing Cylinder 348.RV1510 L322 5.0L

( Manufacturer Part Number: W584A ), ( Part Type: Thermostat Housing Cylinder ), ( Conditions Options: Suv, Natasp ), ( Genuine Oem: Yes ), ( Ipn: 348.rv1510 ), ( Manufacturer Warranty: 60 Day )

Review ROVER Thermostat Housing 5.0l Cylinder fits RANGE HSE 2010–2012

The **Rover W584A HSE L322 Thermostat Housing** is a precision-engineered component designed exclusively for the 5.0-liter V8 engine found in select models of the **Rover 75 (2010 2012)** and its variants, including the **Land Rover Range Rover Sport (L322)** and **Range Rover Evoque (early models)**. Crafted from high-grade cast iron, this thermostat housing serves as a critical interface between the engine s cooling system and the thermostat itself, ensuring optimal temperature regulation to prevent overheating while maximizing fuel efficiency. The housing features a robust, threaded design with a **5.0L-specific mounting pattern**, allowing for a secure and leak-proof connection to the engine block and cylinder head, where it integrates seamlessly with the water pump and radiator assembly. Its internal passages are meticulously machined to facilitate smooth coolant flow, reducing turbulence and minimizing the risk of airlocks that could compromise cooling performance. The housing also incorporates a **pressure-tested gasket surface**, designed to work in tandem with the original OEM gasket to maintain a vacuum seal under operating temperatures, typically ranging between **195 F to 220 F (90 C to 104 C)**. For enthusiasts and mechanics alike, this part is a direct replacement for the factory unit, ensuring compatibility with aftermarket thermostats, sensors, and cooling system upgrades without the need for modifications. Whether restoring original performance, addressing coolant leaks, or upgrading to a high-performance thermostat, this housing delivers the durability and precision required to keep the 5.0L V8 running at peak efficiency for thousands of miles.

### **Pros and Cons of Buying a Used Rover W584A HSE L322 Thermostat Housing (5.0L, Cylinders 2010 2012)**

1. **Common and Well-Documented Component** The Rover W584A HSE engine (based on the Jaguar AJ-V8) is a well-known platform, meaning parts like the thermostat housing are widely available. This makes repairs and replacements easier to source, whether from aftermarket suppliers or salvage yards.

2. **Aftermarket Support** Due to its popularity, there are numerous aftermarket alternatives (e.g., OEM replacements, upgraded thermostat housings, or even complete cooling system upgrades) that may offer better performance or durability than the original.

3. **Potential for Cost Savings** Buying a used or salvaged thermostat housing can be significantly cheaper than purchasing a new OEM part, especially if the engine is otherwise sound. This is particularly useful if the issue is isolated to the thermostat housing rather than the entire cooling system.

4. **Compatibility with Modifications** If the vehicle has been modified (e.g., forced induction, upgraded cooling), a used thermostat housing may still function adequately, though it s wise to verify its condition before installation.

5. **Easier to Diagnose** Since the engine is common, mechanics and online forums (e.g., Jaguar/AJ-V8 communities) can provide clear diagnostic guidance if the thermostat housing is suspected of failing (e.g., overheating, coolant leaks, or inconsistent temperature readings).

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- **Internal leaks** (e.g., a cracked thermostat housing gasket or a faulty thermostat).

- **Corrosion or warping** from overheating, which can lead to coolant leaks or poor sealing.

- **Worn-out seals or O-rings**, causing coolant loss over time.

2. **Unknown Service History** Without access to maintenance records, it s impossible to confirm whether the thermostat housing was properly serviced (e.g., gasket replacement, coolant flush) before removal. Neglect in this area can lead to recurring problems.

3. **Potential for Contamination** If the part was removed from an engine with existing coolant issues (e.g., rust, sludge, or coolant breakdown), it may introduce contaminants into the system when reinstalled, potentially damaging the radiator, water pump, or other components.

4. **Fitment and Compatibility Risks** While the part is mechanically compatible, slight variations in manufacturing tolerances (especially in aftermarket or salvaged units) could lead to:

- Difficulty installing the housing due to misalignment.

- Leaks at the gasket interface if the part doesn t seat properly.

- Incompatibility with upgraded cooling systems (e.g., larger radiators or high-flow water pumps).

5. **Limited Warranty or No Return Options** Purchasing a used part often means voiding any warranty, and returning it for a refund or replacement is unlikely unless bought from a reputable dealer with a return policy.

6. **Opportunity Cost** If the thermostat housing is part of a larger cooling system failure (e.g., a failing water pump or radiator), replacing just the housing may provide temporary relief but not a permanent fix. In such cases, investing in a full cooling system overhaul might be more cost-effective in the long run.

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Buying a used **Rover W584A HSE L322 thermostat housing (5.0L, 2010 2012)** can be a practical and budget-friendly solution if the part is sourced responsibly (e.g., from a trusted salvage yard or a mechanic with a good reputation). It is particularly advantageous if the engine is otherwise in good condition and the issue is isolated to the thermostat housing. However, the risks of hidden damage, contamination, or poor fitment cannot be ignored.

**If the part is being purchased for a project vehicle or as a temporary fix**, the cost savings and availability make it a viable option, provided you inspect it thoroughly (look for cracks, leaks, or corrosion) and ensure compatibility with the rest of the cooling system. **If the vehicle is a daily driver or the cooling system has a history of issues**, it may be wiser to invest in a new OEM or high-quality aftermarket replacement to avoid future problems.

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1. **Verify the Source** Purchase from a reputable salvage yard, junkyard, or a mechanic who can vouch for the part s condition. Avoid parts from unknown sellers, especially those without inspection options.

2. **Inspect the Part Thoroughly**

- Check for **cracks, warping, or corrosion** on the housing and gasket surfaces.

- Ensure the **thermostat is intact** and not stuck open or closed.

- Look for **signs of coolant leaks** (e.g., residue, rust) that could indicate internal damage.

3. **Test the Cooling System** Before installation, flush the coolant system to remove any contaminants from the used part. Consider upgrading the **thermostat gasket** and **coolant** to prevent future leaks.

4. **Consider a New or Remanufactured Part** If budget allows, a new OEM or remanufactured thermostat housing (e.g., from **Jaguar Parts, AP Parts, or a trusted aftermarket supplier**) may offer better long-term reliability, especially if the engine is high-mileage or heavily modified.

5. **Address Underlying Issues** If the vehicle has a history of overheating or cooling system failures, address the root cause (e.g., water pump, radiator, or hoses) alongside the thermostat housing replacement to avoid repeated issues.

6. **Document the Repair** Keep records of the part s origin and installation to aid in future diagnostics or resale.

**Final Verdict:** A used thermostat housing can be a cost-effective choice for the right situation, but it requires due diligence. For peace of mind, especially on a daily driver, a new or high-quality replacement may be the safer long-term investment.

Details:

Stock #: 253642. Miles: 131000 - N/A or Unknown. Warranty covers the base component and none of other attached parts. Range Rover HSE L322 Thermostat Housing 5.0L 8 Cylinder Fits 2010 2012 10 11 12: Review photos this is your actual part.

These extra attached parts are not covered by any warranty. Major components are stamped and may have heat sensitive tabs attached to indicated overheating that would void warranty. Parts are not covered for external fluid leaks. Donor Vehicle: model: RANGE ROV.

Video: Go to YouTube and search for: Playground PAR 253642 Part Detail: Placement. Many electronic modules and components require programming.

part #: w584a prices

• $26.64-$1208.91

specifications ocoosys:

• for models: Hse, Range
• for makes: Rover
• for years: 2010-2012
• mpn: W584a
• part type: Thermostat Housing Cylinder
• conditions options: Suv, Natasp
• genuine oem: Yes
• ipn: 348.rv1510
• manufacturer warranty: 60 Day

offer ocoosys:

• started: June 2, 2026
• options: Ship-to-home
• best offers: True
• sold: 0
• availability: In Stock
• quantity: 1

returns ocoosys:

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

payments ocoosys:

• other
• credit card: Diners-club
• wallet: Paypal

shipping ocoosys:

• type: Fixed
• service: Standard
• cost: $15.99
• transit: 3-7 Days
• class: Standard

general ocoosys:

• condition: Used
• Car Truck Parts Accessories > Engine Cooling Components > Thermostats Housings

seller ocoosys:

• # reviews: 12804
• rating: 99.5%
• city: Port Washington, Wisconsin

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