FORD OE LC3Z6700C Front Engine Crankshaft Seal

( Brand: Ford Oe ), ( Manufacturer Part Number: LC3Z6700C ), ( Part Type: Seal Engine Crankshaft ), ( Product Type: Engine ), ( Fitment Type: Direct Replacement ), ( Partslink Number: Lc3z-6700-a, Lc3z-6700-c ), ( Compatible Model S : F-250 Super Duty, F-350 Super Duty, F-450 Super Duty ), ( Product Subtype: Crankshafts ), ( Department: Oem )

Review FORD OE Super Duty Front Engine Crankshaft Seal fits F-250 2020–2026

The **Ford LC3Z6700C Front Engine Crankshaft Seal** is a high-performance, precision-engineered sealing component specifically designed to ensure optimal engine integrity and longevity for Ford F-250 trucks built between the model years 2020 through 2026. This seal is crafted from high-quality, durable materials, including a robust elastomeric compound reinforced with specialized fibers to withstand the extreme pressures, temperatures, and mechanical stresses inherent in heavy-duty powertrains. Engineered to fit seamlessly within the front engine cover assembly, the LC3Z6700C provides an airtight barrier between the crankshaft and the engine block, preventing oil leaks, contamination, and harmful debris from infiltrating the crankshaft area thereby safeguarding critical internal components like the timing system, oil pump, and bearings. Its design incorporates a precision-molded lip profile that maintains consistent sealing performance over time, even under the demanding conditions of continuous towing, hauling, or off-road use. The seal s compatibility with Ford s advanced fuel injection and turbocharged engines (such as the EcoBoost or Power Stroke configurations) ensures reliable operation while minimizing friction and wear. Whether installed during routine maintenance or as part of a comprehensive engine service, this seal is a critical upgrade for maintaining peak engine efficiency, reducing emissions, and extending the lifespan of your F-250 s drivetrain. Built to meet or exceed OEM specifications, the LC3Z6700C is a trusted choice for professional mechanics and DIY enthusiasts alike, offering both durability and ease of installation.

The **Ford LC3Z6700C** is the OEM crankshaft seal for the **2020 2026 F-250 (7.3L Power Stroke)** front-engine models. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Ford LC3Z6700C Crankshaft Seal**

1. **Direct OEM Fitment**

The seal is manufactured by Ford and is designed specifically for the **7.3L Power Stroke engine** in the 2020 2026 F-250. This ensures a perfect fit with no modifications required, reducing the risk of installation errors.

2. **High-Quality Materials**

Ford uses durable materials in its OEM seals, including reinforced rubber and metal components, which are engineered to withstand the high pressures and temperatures inside the engine bay.

3. **Warranty Coverage**

Purchasing directly from Ford or an authorized dealer often includes a warranty, typically covering defects in materials or workmanship. This provides peace of mind against premature failure.

4. **Reliability and Proven Performance**

As an OEM part, the seal has undergone rigorous testing and has a track record of reliability in Ford s production vehicles. This reduces the likelihood of leaks or premature wear compared to aftermarket alternatives.

5. **Ease of Installation**

Since it is designed for the specific application, the seal is easier to install correctly, reducing the risk of improper sealing that could lead to oil leaks or engine damage.

6. **Compatibility with Ford Service Procedures**

The seal is designed to work seamlessly with Ford s recommended installation techniques, tools, and torque specifications, ensuring a proper seal.

7. **Support for Ford s Extended Warranty (if applicable)**

If the vehicle is under Ford s powertrain warranty, using an OEM seal may be necessary to maintain warranty coverage in case of failure.

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### **Cons of the Ford LC3Z6700C Crankshaft Seal**

1. **Higher Cost**

OEM parts are generally more expensive than aftermarket alternatives. The Ford LC3Z6700C may cost significantly more than third-party seals, which could be a deterrent for budget-conscious buyers.

2. **Limited Availability Outside Dealerships**

While Ford parts are widely available, they may not be as easily accessible as aftermarket options, which can often be found at auto parts stores, online marketplaces, or specialty shops.

3. **Potential for Counterfeit Parts**

Purchasing from unauthorized sellers (e.g., eBay, Craigslist, or unscrupulous online retailers) increases the risk of receiving a counterfeit or low-quality seal. Always buy from reputable sources like Ford dealers, authorized distributors, or trusted online retailers.

4. **Longer Lead Times**

OEM parts may have longer lead times compared to aftermarket options, which can be a drawback if you need the seal urgently for a repair.

5. **Overkill for Some Buyers**

If the vehicle is older or has high mileage, some owners may question whether an OEM seal is necessary, especially if they are considering a used or rebuilt engine. In such cases, aftermarket seals with strong reputations (e.g., **Fel-Pro, Sealed Power, or Gates**) may offer a cost-effective alternative.

6. **Potential for Over-Engineering**

While the OEM seal is reliable, it may include features (e.g., additional gaskets or seals) that are unnecessary for some applications, leading to slightly higher costs without added benefit.

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### **Conclusion**

The **Ford LC3Z6700C crankshaft seal** is the best choice for owners who prioritize **reliability, warranty coverage, and direct OEM fitment**. It is ideal for those who want to ensure compatibility with Ford s service procedures and avoid potential issues with aftermarket parts. However, the higher cost and potential for counterfeit parts must be carefully considered.

For buyers on a tighter budget or those who prefer aftermarket options, **high-quality aftermarket seals from reputable brands** (e.g., **Fel-Pro, Sealed Power, or Gates**) can offer comparable performance at a lower cost, provided they are installed correctly. Always verify the authenticity of the part and ensure proper installation to avoid leaks or engine damage.

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### **Recommendation**

- You want the most reliable, warranty-backed solution.

- You are replacing the seal as part of a **Ford-authorized service** or under warranty.

- You prioritize OEM fitment and long-term durability over cost savings.

- You are working on a **high-mileage or used vehicle** where OEM cost is prohibitive.

- You have experience with **high-quality aftermarket seals** (e.g., Fel-Pro 412 or Sealed Power 1000).

- You are installing the seal yourself and can verify proper installation techniques.

**Final Note:** Always purchase from a **trusted source** (Ford dealer, authorized distributor, or reputable online retailer) to avoid counterfeit parts. If in doubt, consult a **Ford-certified mechanic** before purchasing.

Details:

Installs with no modifications to your vehicle. If you want to keep your Ford performing the way it did when left factory, rely on OE products. Front Engine Crankshaft Seal LC3Z6700C by Ford OE. No modifications needed.

Replaces Original OE Part #: LC3Z-6700-A, LC3Z-6700-C. Manufactured to strict specifications for fit, form, and function, they not only help restore original performance but also install in no time flat. Designed to restore OEM performance for a safe ride. Offers dependability and quality backed by the Ford name.

Features: Genuine OEM Ford part made to fit your vehicle perfectly. Precision-built to strict Ford standards of safety.

part #: lc3z6700c prices

• $12.46-$15.00

specifications cranshafengin:

• for models: F-250
• for makes: Ford
• for years: 2020-2026
• brand: Ford Oe
• mpn: Lc3z6700c
• part type: Seal Engine Crankshaft
• product type: Engine
• fitment type: Direct Replacement
• partslink number: Lc3z-6700-a, Lc3z-6700-c
• compatible model s : F-250 Super Duty, F-350 Super Duty, F-450 Super Duty
• product subtype: Crankshafts
• department: Oem

returns cranshafengin:

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

seller cranshafengin:

• city: Oklahoma City, Oklahoma
• # reviews: 154369
• rating: 99.1%

shipping cranshafengin:

• transit: 2-6 Days
• cost: $19.73
• service: FedEx Ground / FedEx Home Delivery
• carrier: FedEx
• class: Standard
• type: Calculated

payments cranshafengin:

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

general cranshafengin:

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

offer cranshafengin:

• options: Ship-to-home
• quantity: 3
• sold: 0
• started: April 8, 2026
• availability: In Stock

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