FORD LC3Z-6303-B Crankshaft

( Manufacturer Part Number: LC3Z-6303-B ), ( Model: F-250 F-350 ), ( Part Type: Crankshaft ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Year: 2020 2021 2022 ), ( Parts Included: Only Part Reference 27 On The Diagram Is Included )

Review FORD Genuine Crankshaft fits F-250 2020–2022

The **Ford LC3Z-6303-B Crankshaft** is a precision-engineered, high-performance component designed exclusively for Ford s 3.5L EcoBoost V6 engine, specifically tailored to applications requiring maximum durability, reliability, and efficiency. Crafted from a proprietary **high-strength forged steel alloy**, this crankshaft is engineered to withstand the intense stresses of turbocharged operation while maintaining optimal balance and smooth operation. The **seven-bearing design** ensures precise alignment and reduces parasitic friction, enhancing overall engine performance and longevity. Each journal and main bearing surface is meticulously **ground and polished** to exacting tolerances, minimizing wear and maximizing oil retention, which is critical for maintaining lubrication under high-load conditions. The **counterweights** are dynamically balanced to mitigate vibration, contributing to a quieter, more refined driving experience while reducing strain on the engine s supporting components. This crankshaft is a direct replacement for the original equipment (OEM) part, ensuring seamless integration with the engine block, rods, and other critical components, making it an ideal choice for both restoration projects and high-mileage vehicles seeking enhanced reliability. Built to meet or exceed Ford s stringent quality standards, the **LC3Z-6303-B** is a dependable upgrade for enthusiasts and mechanics alike who demand nothing less than peak performance from their EcoBoost V6 powerplant.

**Pros and Cons of buying a Ford LC3Z-6303-B Crankshaft**

The Ford LC3Z-6303-B crankshaft is a critical component for Ford engines, particularly those in the 3.5L EcoBoost V6 lineup (e.g., 3.5L Ti-VCT engines found in F-150, Explorer, and Mustang models). Below is a detailed breakdown of its advantages and drawbacks, followed by a conclusion and recommendation.

### **Pros**

1. **OEM Quality and Compatibility**

The LC3Z-6303-B is an original equipment manufacturer (OEM) part, meaning it is designed to meet Ford s exact specifications for fit, function, and durability. This ensures proper alignment with the engine block, rods, and other components, reducing the risk of premature wear or failure.

2. **High Durability and Performance**

Ford s crankshafts are engineered to withstand the stress of high-performance applications, including turbocharging (as in EcoBoost engines). The forged steel construction provides strength and resistance to bending or fatigue, which is crucial for engines under heavy loads or modified setups.

3. **Warranty Coverage**

Purchasing directly from Ford or an authorized dealer often includes a warranty (typically 12 months or more), covering defects in materials or workmanship. This provides peace of mind against early failure.

4. **Reliability for High-Mileage or Modified Engines**

If your engine has high mileage or has been modified (e.g., increased boost, forced induction, or aggressive tuning), a new crankshaft can restore structural integrity and extend engine life. It is also a common replacement part for engines experiencing crankshaft-related issues like knocking, vibration, or oil consumption.

5. **Ease of Installation**

The LC3Z-6303-B is a standard replacement part, meaning it is widely available and relatively straightforward to install with basic mechanical skills. Many shops charge labor costs comparable to aftermarket alternatives, and the part itself is often priced competitively with high-quality aftermarket options.

6. **Support for Aftermarket Tuning**

For enthusiasts who plan to modify their engines (e.g., adding a turbocharger, increasing horsepower, or adjusting timing), a new crankshaft ensures the engine can handle the increased stress without catastrophic failure.

---

### **Cons**

1. **Higher Upfront Cost**

OEM parts like the LC3Z-6303-B are typically more expensive than aftermarket alternatives. While the price difference may not be drastic, it can be a significant investment, especially if replacing multiple components (e.g., rods, bearings, or seals) simultaneously.

2. **Longer Lead Times**

Depending on the supplier, OEM parts may have longer lead times compared to aftermarket options. This can delay repairs or engine rebuilds, which is inconvenient for owners needing immediate service.

3. **Limited Customization**

Unlike some aftermarket crankshafts, the LC3Z-6303-B is not available in custom weights or balanced configurations. If you re building a high-performance engine with specific tuning goals, you may need to explore aftermarket options for specialized features.

4. **Potential for Counterfeit Parts**

Purchasing from unauthorized sellers (e.g., third-party online marketplaces) risks receiving counterfeit or substandard parts. Always buy from reputable dealers or Ford-approved suppliers to avoid this issue.

5. **Requires Professional Installation for Optimal Results**

While the part itself is straightforward, improper installation (e.g., incorrect torque specs, misalignment, or damaged seals) can lead to premature failure. For best results, have a qualified mechanic perform the installation, which adds to the overall cost.

6. **Environmental and Ethical Considerations**

Some consumers prefer aftermarket or recycled parts to reduce waste or support sustainable practices. OEM parts contribute to new manufacturing, which may not align with eco-conscious preferences.

---

### **Conclusion**

The Ford LC3Z-6303-B crankshaft is a reliable, high-quality replacement part ideal for owners seeking OEM-level performance and durability. It is particularly well-suited for:

- Restoring or rebuilding a 3.5L EcoBoost V6 engine.

- High-mileage vehicles showing signs of crankshaft wear.

- Enthusiasts planning moderate to aggressive modifications.

- Situations where warranty coverage and long-term reliability are priorities.

However, the higher cost and potential lead times may deter budget-conscious buyers or those who prioritize aftermarket customization. If you re working with a trusted mechanic and need a part that guarantees compatibility and longevity, the LC3Z-6303-B is an excellent choice. For cost-sensitive projects or highly customized builds, aftermarket alternatives (e.g., from brands like Clevite, Scintilla, or JE) may offer comparable performance at a lower price.

---

### **Recommendation**

- You are rebuilding or repairing a 3.5L EcoBoost V6 engine and want OEM specifications.

- You prioritize warranty coverage and long-term reliability over cost savings.

- Your engine has high mileage or shows signs of crankshaft-related issues (e.g., knocking, vibration, or oil leaks).

- You plan to perform standard modifications (e.g., mild tuning, turbo upgrades) and need a durable foundation.

- You are on a tight budget and can find a high-quality aftermarket crankshaft (e.g., from Clevite or Scintilla) with similar specifications.

- You require custom features (e.g., different weights, balanced configurations) not available in the OEM part.

- You can tolerate slightly longer lead times in exchange for lower upfront costs.

Always verify the part number and engine compatibility before purchasing. If in doubt, consult a Ford-certified mechanic to confirm whether the LC3Z-6303-B is the right fit for your specific engine application. Proper installation and maintenance will maximize the crankshaft s lifespan and performance.

Details:

Parts must be resalable and in the original packaging. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Electrical parts are not returnable.

part #: lc3z6303 prices

• $509.60-$781.30

specifications cranshafengin:

• for models: F-250
• for makes: Ford
• for years: 2020-2022
• mpn: Lc3z-6303-b
• model: F-250 F-350
• part type: Crankshaft
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• year: 2020 2021 2022
• parts included: Only Part Reference 27 On The Diagram Is Included

returns cranshafengin:

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

seller cranshafengin:

• # reviews: 155
• rating: 80.0%
• city: Houston, Texas

offer cranshafengin:

• options: Ship-to-home
• quantity: 1
• sold: 0
• availability: In Stock
• started: February 26, 2026

shipping cranshafengin:

• service: Standard
• class: Standard
• cost: $52.43
• transit: 4-8 Days
• type: Fixed

payments cranshafengin:

• wallet: Paypal
• other
• credit card: Visa

general cranshafengin:

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

Ford LC3Z-6303 Is Similar To:

• 011fad400 Technologies Billet Stroke Crankshaft For Ford Windsor Sbc Rod Journals (29.3% similar) Main journal diameter: territory is by the us postal service. A wholesale program is available for businesses. Virgin islands and any other us. Please for expedited shipping...(January 18th, 2019)
• 04cobra2r3z Ford New Forged Crank Crankshaft Cobra Mustang Kellogg (35.6% similar) 6l cobra crankshaft new in ford box made by Kellogg stock. Contact me for a quote. Message me with any questions or concerns. Like us on Facebook. Shipping price listed is for the lower 48...(November 2nd, 2018)
• 1-4807-r20m20 Arrow Ford Reground Crankshaft Kit Rod Bearings Main 724956117697 (33.3% similar) Once purchased you own it. Rubber parts, gaskets, hardware may need to be replaced and not usable. There may be minor corrosion, scuffs, torn or missing boxes, scratches from storage, etc. If any manufacturer warranty exists, it is between you and them. Be sure the part you are buying is correct for...(March 24th, 2019)
• 102813554 Eagle In Stroke Steel Crankshaft Ford Modular 793348000060 (33% similar) 554 in stroke - internal balanced steel 1 PC seal ford modular each block cleansing required when used with 2v engines. Use 8-BOLT cobra flywheel. Addresses at this time. In-stock items can ship from multiple locations. Virgin islands. Electrical or electronic components are also void if they have ...(May 31st, 2018)
• 105e-6303 English Ford Engine Crankshaft Reman Brand Fits Anglia Prefect Morgan (36.8% similar) The rod journals have been cut. This fits: ford Anglia 105E and prefect 997CC 1965 MORGAN four plus series 3 with engine one remanufactured factory original English crankshaft, part number the main journals have been cut...(December 18th, 2018)
• 11150346 Aftermarket Replacement New Crankshaft Position Sensor Van Ford Expedition Town (27.6% similar) The items are brand new parts that look and fit same as original, except at a much better price...(April 21st, 2018)
• 1119150 1s7f6d315aa Autoforever Brand New Crankshaft Position Sensor Fits For Ford Focus (26% similar) Transport delivery eta...(September 7th, 2018)
• 11405645 Ford Saab Engine Crankshaft (62% similar) Excellent value on used oem. As is sale, no warranty. We remove, inspect and test parts before list them. I only have the driveling, body is gone. Oem Saab 96 v4 engine crankshaft bearing surfaces are smooth, no spun bearings on this motor. Service to you. Unknown history, please look close at pics ...(April 27th, 2018)
• 13189367 Aftermarket Products New Crankshaft Position Sensor Ford Ranger Mazda Truck (26.9% similar) The items are brand new parts that look and fit same as original, except at a much better price...(March 22nd, 2018)
• 15440 Standard Crankshaft Ford F-100 (36.6% similar) Great for an engine rebuild. This crankshaft has been micro polished and turned standard 30 includes cleft 77 main bearings but no rod. Crankshaft casting C4TE-A, C6TE-B, C7TE-A, dote-a or D2TE-AA...(February 18th, 2018)
• 15670 Standard Crankshaft Ford Mustang Kit By (32.5% similar) This crankshaft has been turned to up for sale is 1 factory remanufactured kit ford mustang, F-100 model's with 255 v8 engines and micro polished includes both main rod bearing sets. Crankshaft casting numbers are 1j or 2J...(August 30th, 2018)