FEL-PRO W-625 Thermostat Housing Gasket 290 304 343 401 V8

( Brand: Fel-pro ), ( Manufacturer Part Number: W-625 ), ( Type: Engine Coolant Thermostat Housing Gasket ), ( Oe/oem Part Number: 35130, C24111, 74-0103, W08205 ), ( Items Included: Gasket ), ( Vintage Part: No ), ( Placement On Vehicle: Belts Cooling Gaskets Sealing Systems )

Review FEL PRO Amc Jeep 290 304 343 401 V8 Thermostat Housing Gasket 2-pack fits 360 390

The **Fel-Pro W-625 Thermostat Housing Gasket** is a premium, high-performance sealing solution meticulously engineered to ensure a reliable, leak-free fit for a wide range of classic American muscle cars, including the legendary AMC Javelin, Jeep Grand Wagoneer, and Ford s iconic V8-powered models such as the 290, 302, 343, 360, 390, and 401 engines. Crafted from Fel-Pro s proprietary **high-temperature, silicone-impregnated fiber composite material**, this gasket is designed to withstand the extreme heat and pressure generated by high-performance V8 engines while maintaining optimal sealing integrity over time. The gasket features a **precision-cut design** tailored to the unique contours of the thermostat housing, providing an exact fit that eliminates common issues like oil leaks, coolant seepage, or warping problems that can lead to overheating, reduced engine efficiency, or even catastrophic failure in high-stress applications. Its **reinforced construction** ensures durability under heavy loads, making it an ideal choice for both street-driven muscle cars and enthusiasts pushing their engines to the limits in drag racing, street racing, or high-mileage reliability builds. Whether restoring a vintage AMC Javelin for weekend cruising or upgrading a Jeep Grand Wagoneer for off-road adventures, the Fel-Pro W-625 delivers the confidence of a gasket that won t fail when it matters most. Backed by Fel-Pro s reputation for quality and backed by a **full warranty**, this gasket is a must-have for anyone seeking a hassle-free, long-lasting seal that keeps their classic V8 running cool, efficient, and trouble-free.

### **Pros and Cons of Buying a Fel-Pro W-625 AMC Jeep V8 Thermostat Housing Gasket**

The **Fel-Pro W-625** is a high-quality replacement gasket designed for AMC Jeep V8 engines (including the 290, 304, 343, 360, 390, and 401). Below is a detailed breakdown of its advantages and disadvantages, followed by a conclusion and recommendation.

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### **Pros**

1. **High-Quality Materials**

- Fel-Pro is a well-known brand in the aftermarket automotive parts industry, known for using durable materials that resist warping, cracking, and premature failure. Their gaskets are often made with reinforced rubber and fiberglass for better sealing and longevity.

2. **Precision Fitment**

- The W-625 is specifically engineered for AMC Jeep V8 engines, ensuring an accurate fit without gaps or misalignment. This reduces the risk of coolant leaks and improves engine efficiency.

3. **Easy Installation**

- Fel-Pro gaskets are designed with user-friendly features, such as pre-lubricated surfaces and clear installation instructions. Many users report that they can be installed without professional help, though proper torque specifications should still be followed.

4. **Reliability and Durability**

- Fel-Pro gaskets are built to withstand high temperatures and engine stress, reducing the likelihood of leaks over time. This can extend the life of the thermostat housing assembly and prevent costly coolant system failures.

5. **Compatibility with Common Engine Mods**

- Since the W-625 fits multiple AMC Jeep V8 engines, it is a versatile choice for restorers, tuners, and enthusiasts working on classic or modified vehicles. It can also be used in conjunction with aftermarket thermostats and water pumps.

6. **Warranty and Customer Support**

- Fel-Pro products typically come with a manufacturer s warranty, offering some level of protection against defects. The brand also has a reputation for good customer service, which can be helpful if installation issues arise.

7. **Cost-Effective Solution**

- While not the cheapest gasket on the market, the W-625 offers a balance between affordability and quality. Compared to OEM replacements (which may be harder to find), it provides a reliable alternative without excessive cost.

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### **Cons**

1. **Potential Overkill for Minor Repairs**

- If the thermostat housing gasket failure is isolated to a minor leak or a single cracked section, some users might opt for a less expensive gasket or even a DIY repair (such as sealing with RTV). The W-625 is a comprehensive solution, which may not always be necessary for very minor issues.

2. **Installation Requires Care**

- While Fel-Pro gaskets are designed for easy installation, improper handling such as over-torquing bolts, misalignment, or insufficient gasket surface preparation can still lead to leaks. This requires attention to detail, especially for those unfamiliar with engine repairs.

3. **Limited Availability in Some Regions**

- Depending on location, Fel-Pro parts may not be as widely stocked as other brands. While they are available online (e.g., through Amazon, RockAuto, or specialty auto parts stores), some users may need to order from a distributor, which could introduce delays.

4. **Price Sensitivity**

- For budget-conscious buyers, the W-625 may be seen as slightly more expensive than generic or no-name gaskets. However, the trade-off in quality and reliability often justifies the cost for serious restorers or performance-focused drivers.

5. **Compatibility with Aftermarket Parts**

- While the W-625 fits most AMC Jeep V8 engines, some aftermarket modifications (such as non-standard water pump or thermostat housings) might require additional adapters or custom solutions. Always verify compatibility before purchasing.

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### **Conclusion**

The **Fel-Pro W-625 AMC Jeep V8 Thermostat Housing Gasket** is a strong choice for anyone performing a thermostat housing replacement on a classic AMC Jeep V8 engine. Its high-quality construction, precise fitment, and ease of installation make it a reliable option for both restorers and enthusiasts. While it may not be the absolute cheapest solution, its durability and compatibility with multiple engine variants justify its cost for most users.

For those on a tight budget or dealing with a minor leak, a less expensive gasket might suffice, but for long-term reliability and peace of mind, the W-625 is an excellent investment. Proper installation is key to maximizing its performance, so take the time to follow manufacturer guidelines and torque specifications.

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### **Recommendation**

- You are restoring or maintaining an AMC Jeep V8 engine (290, 304, 343, 360, 390, or 401).

- You want a high-quality, long-lasting gasket that minimizes the risk of leaks.

- You are comfortable with basic engine repairs or have access to professional help for installation.

- You prioritize reliability over cost and want a gasket that fits multiple engine variants.

- You are working on a very minor leak and want to save money.

- You are unsure about your installation skills and prefer a simpler repair.

- You cannot find the W-625 locally and are concerned about shipping delays.

Overall, the **Fel-Pro W-625 is highly recommended** for its quality, fitment, and durability, making it one of the best aftermarket options for AMC Jeep V8 thermostat housing gaskets.

Details:

If it is not pictured, then included in this listing. AMC JEEP 290 304 343 360 390 401 V8 Thermostat Housing Gasket 2-Pack. A picture says a thousand words, please refer to pictures for full condition and specific item details.

part #: w625 prices

• $6.89-$20.00

specifications vintagacheatin:

• for models: 360, 390
• for makes: Amc, Jeep
• brand: Fel-pro
• mpn: W-625
• type: Engine Coolant Thermostat Housing Gasket
• oe/oem part number: 35130, C24111, 74-0103, W08205
• items included: Gasket
• vintage part: No
• placement on vehicle: Belts Cooling Gaskets Sealing Systems

payments vintagacheatin:

• credit card: Visa
• wallet: Google-pay
• other

general vintagacheatin:

• condition: Remanufactured
• Car Truck Parts Accessories > Air Conditioning Heating > A/C Condensers

offer vintagacheatin:

• availability: In Stock
• started: February 27, 2026
• quantity: 33
• sold: 0
• options: Ship-to-home

seller vintagacheatin:

• rating: 99.3%
• city: Tulsa, Oklahoma
• # reviews: 2917

returns vintagacheatin:

• policy: No Returns

shipping vintagacheatin:

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