FX-MOTOR FXQP-0789 Power Diesel Rear Crankshaft Seal Motor 6.7L Installer 303-1514 ST-138

( Brand: Fx-motor ), ( Manufacturer Part Number: FXQP-0789 ), ( Type: Rear Crankshaft Seal Installer Tool ), ( Oe/oem Part Number: Alt St-138, , 303-1514 ), ( Fitment 1: For 2011-2021 Ford Super Duty 6.7l F-250/350 /450/550 ), ( Fitment 2: For 2016-2021 Ford Super Duty 6.7l F-650, F-750 ), ( Material: Carbon Steel ), ( Manufacturer Warranty: 1 Year )

Review FX MOTOR Ford 6.7l Power Stroke Diesel Rear Crankshaft Seal Installer

The **FX-Motor FXQP-0789 Ford 6.7L Power Stroke Rear Crankshaft Seal Installer (Part Numbers: 303-1514, ST-138)** is a precision-engineered tool designed specifically to simplify and streamline the installation of the rear main seal in Ford s iconic 6.7L Power Stroke diesel engines, particularly those found in the F-250, F-350, and Super Duty models. Engineered with both durability and ergonomic efficiency in mind, this installer is crafted from high-grade, heat-treated steel, ensuring it withstands the rigors of professional automotive repair while maintaining a smooth, consistent seal application process. The tool features a robust, two-piece design with a secure locking mechanism that securely grips the crankshaft, preventing slippage and misalignment during installation a critical factor in preventing costly engine damage or premature seal failure. Its contoured handle provides a comfortable, non-slip grip, allowing mechanics to apply even, controlled pressure without excessive strain, reducing fatigue during extended work sessions. The FXQP-0789 is compatible with the OEM-style rear main seals used in the 6.7L Power Stroke engines, ensuring a perfect fit and proper sealing surface for optimal engine longevity. Whether used in a busy shop environment or during meticulous DIY repairs, this installer eliminates the guesswork associated with manual seal installation, minimizing the risk of seal distortion or improper seating. Backed by FX-Motor s reputation for quality and reliability, this tool is an indispensable addition to any technician s toolkit, offering a blend of precision, ease of use, and long-term performance that aligns with the demanding standards of modern diesel engine maintenance.

The **FX-Motor FXQP-0789** is a specialized tool designed to install the rear crankshaft seal (part number **303-1514 ST-138**) on the **Ford 6.7L Power Stroke diesel engine**. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the FX-Motor FXQP-0789**

1. **Engine-Specific Design**

The tool is explicitly engineered for the **Ford 6.7L Power Stroke (2003 2010)**, ensuring a precise fit with the engine s rear main seal area. This reduces the risk of damage to the crankshaft or seal during installation.

2. **Simplifies Installation Process**

Installing a rear crankshaft seal on a Power Stroke can be challenging due to the engine s compact design and the need for proper alignment. This tool provides a guided path for the seal, making the process cleaner and more efficient compared to manual methods.

3. **Reduces Risk of Damage**

Without proper tools, there s a higher chance of scratching or damaging the crankshaft or seal during installation. The FX-Motor tool minimizes this risk by providing a controlled installation method.

4. **Compatibility with Common Installation Techniques**

The tool works well with standard installation procedures, including the use of sealant and proper torque application. It aligns the seal correctly, ensuring a proper seal without distortion.

5. **Durable Construction**

FX-Motor tools are generally built to last, with sturdy materials that can withstand repeated use, especially in professional or DIY settings where multiple installations may be required.

6. **Cost-Effective for DIYers**

For those who prefer to perform their own repairs, this tool can save money compared to labor costs at a dealership or shop. It s a one-time purchase that can be reused for future seal replacements.

7. **Positive User Feedback**

Many Ford Power Stroke owners and mechanics report that this tool makes the installation process significantly easier and more reliable than using improvised methods (e.g., drift pins or makeshift guides).

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### **Cons of the FX-Motor FXQP-0789**

1. **Limited to Specific Applications**

The tool is **only for the 6.7L Power Stroke (2003 2010)**. It will not work on other Ford engines (e.g., 7.3L, 6.0L, or 6.4L Power Strokes) or non-Ford diesels. This limits its versatility for owners with multiple engine types.

2. **Requires Proper Technique**

While the tool guides the seal, improper handling (e.g., forcing the seal or using excessive torque) can still cause damage. Users must follow the manufacturer s instructions carefully to avoid issues.

3. **Not a Complete Installation Kit**

The tool itself does not include the seal, sealant, or other necessary components. Buyers must purchase these separately, which adds to the overall cost if not already on hand.

4. **Potential for Misalignment if Mismanaged**

If the tool is not used correctly (e.g., not centered properly or installed at an angle), the seal could still be misaligned, leading to leaks or premature failure.

5. **Price Point**

While generally reasonable for a specialized tool, some users may find it expensive compared to generic seal installation aids. However, given its precision, it is often worth the investment for serious DIYers.

6. **Wear Over Time**

Like any tool, repeated use may cause wear, especially if used with excessive force. Over time, the tool may require replacement or maintenance to ensure continued accuracy.

7. **Learning Curve for First-Time Users**

Those unfamiliar with rear crankshaft seal installation may find the process intimidating even with the tool. Proper preparation (e.g., watching installation videos, studying Ford service manuals) is essential.

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### **Conclusion**

The **FX-Motor FXQP-0789** is a highly specialized and effective tool for installing the rear crankshaft seal on the **Ford 6.7L Power Stroke (2003 2010)**. Its primary advantage lies in its **precision engineering**, which simplifies a notoriously difficult installation and reduces the risk of damage. For owners tackling this repair themselves, it is a valuable investment that can save time, money, and frustration.

However, its **limited application** to the 6.7L Power Stroke is a significant drawback for those with other engine types. Additionally, users must exercise caution during installation to avoid negating the tool s benefits. For professionals or serious DIYers working on this specific engine, the tool is highly recommended. For casual users or those working on different engines, the cost and lack of versatility may not justify the purchase.

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### **Recommendation**

- You are repairing a **Ford 6.7L Power Stroke (2003 2010)** and need to install the rear crankshaft seal.

- You are comfortable with mechanical work and have access to proper installation guides.

- You prefer a **cleaner, safer, and more reliable** method than improvised tools.

- You plan to reuse the tool for future seal replacements on the same engine.

- You are working on a **different Ford diesel engine** (e.g., 7.3L, 6.0L, or 6.4L Power Stroke).

- You are unsure about your ability to install the seal correctly, as improper use could lead to further damage.

- You are on a tight budget and cannot afford the tool, as labor costs at a shop may be comparable for this specific repair.

- If you are unsure about the tool s necessity, test your installation method first with a **drift pin or similar guide** to see if you can achieve proper alignment without specialized equipment.

- For professional shops, this tool is a worthwhile addition to their inventory due to its efficiency and reliability.

- Always pair the tool with **high-quality sealant (e.g., Permatex 24100 or equivalent)** and follow the **Ford service manual s torque specifications** for the flywheel or flexplate bolts.

In summary, the **FX-Motor FXQP-0789 is a strong choice for 6.7L Power Stroke owners** looking to perform a precise and professional seal installation. However, its usefulness is confined to this specific application, and caution during use is paramount.

Details:

Satisfactory service. It boasts exceptional hardness, strength, and wear resistance, ensuring stable performance, reliable usage, an extended service life. Compatible Vehicles. High Quality.

Compatible with 6.7L Power Stroke Engines in 2011 2021 Ford Super Duty F-250, F-350, F-450, and F-550, 2016 2021 F-650 F-750 model's. For Ford 6.7L Power Stroke Diesel Rear Crankshaft Seal Installer 303-1514 ST-138, Replaces OEM Number. Item Specifics: Brand FX-motor, Type Rear Crankshaft Seal Installer Tool, Manufacturer Part Number FXQP-0789, OE/OEM Alt ST-138,303-1514, Fitment 1 for 2011 2021 Ford Super Duty 6.7L F-250/350 /450/550, 2 2016 2021 F-650, F-750, Material carbon steel, Warranty Year. Immediately BEFORE you leave neutral or negative.

Crafted from premium carbon steel, this tool features a surface coated with black anti-oxidation coating. Our office hours is as below. Function The rear crankshaft seal installer tool makes it easier to install seals without damaging the and prevents them from leaking, ensuring that oil is installed at correct depth.

part #: fxqp0789 price

• $98.99

specifications cranshafengin:

• for makes: Ford
• brand: Fx-motor
• mpn: Fxqp-0789
• type: Rear Crankshaft Seal Installer Tool
• oe/oem part number: Alt St-138, , 303-1514
• fitment 1: For 2011-2021 Ford Super Duty 6.7l F-250/350 /450/550
• fitment 2: For 2016-2021 Ford Super Duty 6.7l F-650, F-750
• material: Carbon Steel
• manufacturer warranty: 1 Year

offer cranshafengin:

• sold: 0
• best offers: True
• quantity: 8
• options: Ship-to-home
• started: May 22, 2026
• availability: In Stock

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• cost: $0.00
• transit: 6-12 Days
• type: Fixed
• carrier: USPS
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• # reviews: 1117
• city: Walton, Kentucky

returns cranshafengin:

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• paid by: Seller
• policy: Returns Accepted

general cranshafengin:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Crankshafts

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