FORD C5NE6303R Crankshaft Cylinder 175 4.2

( Manufacturer Part Number: C5NE6303R ), ( Part Type: Crankshaft Cylinder )

Review FORD Crankshaft 175 4.2 Stroke Cylinder

The **Ford C5NE-6303R Crankshaft (175 Series, 4.2L Engine)** is a precision-engineered component designed to deliver exceptional performance and durability in high-demand applications, particularly within Ford s iconic 4.2L V6 engines found in vehicles like the Mustang, Explorer, and Taurus. Crafted from high-grade **forged steel**, this crankshaft is engineered to withstand the rigorous demands of modern automotive use, offering superior strength, balance, and longevity. The **175 series designation** indicates its compatibility with the **4.2L V6 engine family**, which powers a range of Ford vehicles from the late 1980s through the early 2000s, ensuring seamless integration with aftermarket modifications or restoration projects. With **six main journals** and **three counterweights**, this crankshaft is meticulously balanced to minimize vibration, enhancing engine smoothness and reducing wear on critical components like bearings and timing systems. The **6303R model** is specifically tailored for applications requiring a **30mm main journal diameter**, providing robust support for the engine s internal forces while maintaining optimal clearance for proper lubrication. Whether used in a **stock rebuild, high-performance modification, or classic vehicle restoration**, this crankshaft exemplifies Ford s commitment to reliability, offering a robust foundation for engines that demand both power and endurance. Its **precision machining** and **heat-treated construction** ensure resistance to fatigue and distortion, making it an ideal choice for enthusiasts seeking to restore or upgrade their 4.2L V6 engines to factory or even beyond-spec performance levels.

### **Pros and Cons of Buying a Ford C5NE 6303R Crankshaft (175 4.2L Engine)**

1. **High Performance Potential** The 4.2L Coyote engine (C5NE) is a naturally aspirated V8 known for its strong power output, capable of producing around 400 450 horsepower with proper tuning. The 175 crankshaft is a popular choice for enthusiasts seeking a balance between torque and high-RPM performance.

2. **Aftermarket Support** This engine benefits from extensive aftermarket parts, including forged internals, high-flow heads, and supporting components. The Coyote platform has a strong community, making modifications and upgrades more accessible.

3. **Durability with Proper Maintenance** When built correctly with high-quality parts (forged crank, connecting rods, pistons, and bearings), the 4.2L can be extremely reliable and capable of lasting well beyond 100,000 miles with proper care.

4. **Stock Reliability (If Well-Maintained)** Some stock Coyote engines (especially in later model years) are surprisingly durable, particularly if they have had regular oil changes, timing belt replacements, and cooling system maintenance.

5. **Potential for High-RPM Performance** The 175 crankshaft is optimized for higher RPM performance compared to the stock 180 design, making it ideal for forced induction builds or high-revving applications.

6. **Compatibility with Ford s Coyote Ecosystem** Since this is a Ford engine, it integrates well with other Coyote-based parts (e.g., transmission, suspension, and drivetrain components), making builds more cohesive.

7. **Resale Value Potential** A well-built 4.2L Coyote engine, especially with a 175 crankshaft, can retain value in the tuning and racing community, particularly if it s used in a high-performance application.

---

1. **Cost of Rebuilding or Replacement** A new or rebuilt 175 crankshaft and associated internals (connecting rods, pistons, bearings, etc.) can be expensive, often costing **$3,000 $6,000 ** depending on materials and labor. This makes it a significant investment if buying a used engine.

- **Timing chain stretch** (requires replacement every 60K 100K miles if not using an interference kit).

- **Rod bearing wear** (common in high-mileage or poorly maintained engines).

- **Head gasket failures** (especially in early models or those with overheating issues).

- **Oil consumption** (some Coyotes burn oil, requiring frequent checks).

3. **Limited Stock Performance** A stock 4.2L Coyote (even with a 175 crank) is not a high-performance engine out of the box. It requires tuning, upgraded fueling, and supporting mods to reach its potential, adding to costs.

4. **Weight and Space Considerations** As a V8, the 4.2L is heavier than many modern 4-cylinder or 6-cylinder engines, which can impact fuel economy and drivability in daily driving scenarios.

5. **Complexity of Modifications** Achieving high performance requires careful tuning, cooling upgrades, and sometimes drivetrain reinforcement (e.g., differential, clutch, or transmission). Improper modifications can lead to reliability issues.

6. **Market Availability and Pricing** Used 4.2L Coyote engines (especially with 175 cranks) can be hard to find at reasonable prices, and some parts (like aftermarket internals) may have long lead times.

- **Cracked or worn blocks** (common in high-mileage or misfired engines).

- **Rod or crankshaft damage** (from past failures or lack of maintenance).

- **Warped or damaged heads** (from overheating or poor cooling).

---

The **Ford C5NE 6303R 175 crankshaft 4.2L engine** is an excellent choice for enthusiasts looking to build a **high-performance, naturally aspirated V8** with strong aftermarket support. It offers **great tuning potential, durability with proper care, and a strong community backing**. However, it comes with **high upfront costs, potential reliability concerns if not maintained correctly, and the need for significant modifications to reach its full potential**.

If you're **willing to invest in a rebuild or purchase a high-quality used engine with a clean history**, this is a fantastic platform for a **street/strip or daily driver with serious performance aspirations**. If you're on a **tight budget or prioritize simplicity**, a smaller displacement engine (e.g., a 5.0L Mustang or a turbocharged 4-cylinder) might be a more practical choice.

---

- Opt for a **fully rebuilt engine with forged internals** (crank, rods, pistons) and high-quality bearings.

- Ensure the **timing chain, water pump, and cooling system** are upgraded to prevent future failures.

- Pair it with a **supporting build** (tuning, fueling, cooling, and drivetrain upgrades) to avoid premature wear.

- **Inspect thoroughly** (or have a mechanic verify) for **cracked blocks, rod bearing wear, or chain stretch**.

- **Check maintenance records** look for **regular oil changes, timing chain replacements, and cooling system upkeep**.

- **Consider a known-good engine** from a trusted seller (e.g., a race-prepped or rebuild-specialist unit).

- **Enthusiasts building a high-RPM, naturally aspirated V8** (e.g., for drag racing, track use, or high-revving street builds).

- **Those willing to invest in a long-term project** with proper maintenance and upgrades.

- You **prioritize simplicity and low cost** (a smaller engine or turbo setup may be better).

- You **can t commit to regular maintenance** (Coyotes require diligent care to avoid failures).

- You **don t have access to tuning and supporting mods** (the engine won t perform well stock).

**Final Verdict:** The **175 crankshaft 4.2L Coyote is one of the best naturally aspirated V8 platforms for performance builds**, but it demands **careful selection, proper maintenance, and a willingness to invest in upgrades**. If you re serious about building a **high-performance Ford V8**, this is an excellent choice just be prepared for the associated costs and responsibilities.

Details:

The Crankshaft is for a Ford 175 4.2 stroke 3 cylinder engine.

part #: c5ne6303r prices

• $487.99-$569.78

specifications cranshafengin:

• for makes: Ford
• mpn: C5ne6303r
• part type: Crankshaft Cylinder

offer cranshafengin:

• sold: 0
• best offers: True
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• started: February 7, 2026

payments cranshafengin:

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

returns cranshafengin:

• policy: No Returns

shipping cranshafengin:

• transit: 5-12 Days
• cost: $75.19
• service: UPS Ground
• carrier: UPS
• type: Calculated
• class: Standard

seller cranshafengin:

• rating: 0.0%
• # reviews: 0
• city: Lyle, Washington

general cranshafengin:

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

Ford C5NE6303R Is Similar To:

• 011fad400 Technologies Billet Stroke Crankshaft For Ford Windsor Sbc Rod Journals (31.8% 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 (35.9% 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 (36.9% 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 (28.6% 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 (36.9% 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 (30.2% 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 (31.7% similar) Transport delivery eta...(September 7th, 2018)
• 11405645 Ford Saab Engine Crankshaft (41.4% 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 (32.6% 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 (36.8% 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 (33.3% 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)