CHRYSLER 303.CH1T18 Engine Crankshaft Crank Shaft 3.6

( Part Type: Engine Crankshaft Crank Shaft ), ( Conditions Options: 4, 3.6, At, Awd ), ( Genuine Oem: Yes ), ( Ipn: 303.ch1t18 ), ( Year: 2018 ), ( Manufacturer Warranty: 60 Day )

Review CHRYSLER Engine Crankshaft Crank Shaft 3.6 fits 303 300 2017–2019

The **Chrysler 303 CHi-Tech 300 (CH1T18) 3.6L V6 engine crankshaft** is a precision-engineered component designed to deliver exceptional performance, durability, and reliability in the high-output 300 horsepower variant of the Pentastar engine family, which powers select Chrysler, Dodge, and Jeep models from 2017 through 2019. Crafted from high-grade forged steel, this crankshaft is engineered to withstand the intense stresses of forced induction and high-revving applications, ensuring smooth operation and extended longevity even under aggressive driving conditions. The **CH1T18** designation indicates a specialized design optimized for the 300 horsepower iteration of the 3.6L Pentastar, featuring a **five-main-bearing journal configuration** with precision-machined counterweights to minimize vibration and maximize power transfer. The crankshaft s **forged construction** provides superior strength and resistance to fatigue, making it ideal for both stock and modified applications where increased torque and horsepower are demanded. With a **7.000-inch stroke** and **3.600-inch bore**, this crankshaft is meticulously balanced and dynamically tested to meet Chrysler s stringent performance standards, ensuring seamless integration with the engine s valvetrain, pistons, and connecting rods. Whether installed in a **2017 Chrysler 300, 2018 Dodge Charger, or 2019 Jeep Grand Cherokee Hellcat**, this crankshaft delivers the backbone of power, allowing the engine to rev enthusiastically while maintaining structural integrity under heavy loads. Built to Chrysler s exacting specifications, it is a critical component for maintaining the integrity of the engine s power delivery system, making it an essential upgrade or replacement part for enthusiasts seeking to preserve or enhance the performance of their high-output Pentastar-powered vehicle.

### **Pros and Cons of Buying a Chrysler 303.CH1T18 3.6L Pentastar Engine Crankshaft (2017 2019 Models)**

1. **Proven Reliability** The 3.6L Pentastar engine (CH1T18) is Chrysler s aluminum V6, known for its durability in modern applications. It has undergone refinements over generations, reducing common issues like oil consumption and timing chain wear compared to earlier iterations.

2. **Aftermarket Support** This engine is widely used in Chrysler, Dodge, and Jeep vehicles (e.g., 200, 300, Challenger, Grand Caravan), meaning parts, rebuild kits, and performance upgrades are readily available. Companies like **Crankshaft.com, Summit Racing, and JEGS** carry compatible components.

3. **Performance Potential** The stock crankshaft is forged steel, which can handle moderate forced induction (e.g., mild turbocharging or nitrous) with proper support. High-performance crankshafts (e.g., **Eagle, Scat, or JE**) are also available for serious builds.

4. **Compatibility** The 303.CH1T18 crankshaft fits **2017 2019 3.6L Pentastar engines** without modification. It s also interchangeable with some **2011 2016 models** (with minor timing chain/balance shaft adjustments).

5. **Cost-Effective Replacement** Compared to OEM crankshafts (which can cost **$500 $800 **), aftermarket options (e.g., **$150 $300**) offer significant savings while maintaining quality.

6. **Minimal Modifications Needed** If purchasing for a rebuild, the crankshaft is a straightforward upgrade. No major engine disassembly is required beyond removing the timing cover and oil pan.

7. **Long-Term Durability** Forged steel crankshafts are less prone to catastrophic failure than cast alternatives, making them a safer choice for high-mileage or modified engines.

---

1. **Timing Chain vs. Belt** Unlike some engines, the 3.6L Pentastar uses a **timing chain**, which requires periodic inspection (every **100K 120K miles**). Neglecting this can lead to **valve train damage**, a costly repair (**$1,500 $3,000**).

2. **Oil Consumption Issues (Early Models)** Some **2011 2014 3.6L engines** suffered from **oil leaks** (valve cover gasket, oil filter housing gasket) and **excessive oil consumption**. While **2017 2019 models improved**, this remains a risk if the engine has high mileage or poor maintenance history.

3. **Water Pump Failure** The **thermostat housing and water pump** have been known to fail, leading to **overheating**. Replacement is relatively cheap (**$200 $400**), but it s a common failure point.

4. **Head Gasket Concerns** While less common than in older engines, **head gasket leaks** can occur due to **overheating or poor cooling system maintenance**. Symptoms include **white smoke, coolant in oil, or pressure loss**.

5. **Balancer Shaft Wear** The **balance shafts** (critical for smooth operation) can wear over time, causing **vibration and rough idle**. Replacement is **$500 $1,000**, but it s a less common failure than the timing chain.

6. **Aftermarket Quality Variability** While most **forged crankshafts** are reliable, **cheap or counterfeit parts** may lack proper heat treatment or balancing. Stick to **reputable brands** (Eagle, Scat, JE, or **Crankshaft.com**).

7. **Rebuild Complexity** If the engine is being rebuilt, other components (e.g., **rods, pistons, bearings, seals**) should be inspected or replaced. A full rebuild can cost **$2,000 $4,000 **, depending on labor and parts.

---

The **Chrysler 303.CH1T18 3.6L Pentastar crankshaft (2017 2019)** is a **solid, reliable choice** for those needing a replacement due to wear, failure, or modification. It benefits from **strong aftermarket support, performance potential, and cost savings** compared to OEM parts. However, **proper maintenance (timing chain inspection, oil changes, cooling system checks)** is **critical** to prevent common failure points like **timing chain stretch, water pump failure, or head gasket leaks**.

If purchasing for a **stock or lightly modified engine**, the crankshaft alone is a **wise investment**. For **high-performance builds**, ensure the crankshaft is **properly balanced and supported** with upgraded rods, bearings, and oil system components.

---

1. **Verify Engine Condition** Before buying, ensure the engine isn t suffering from **major issues** (e.g., rod knock, bearing failure, severe wear). A **compression test or leak-down test** can help assess health.

2. **Choose a Reputable Supplier** Purchase the crankshaft from **trusted aftermarket dealers** (e.g., **Crankshaft.com, Summit Racing, or JEGS**) to avoid counterfeit or low-quality parts.

3. **Consider a Full Rebuild Kit** If the engine is high-mileage or being modified, **replace the timing chain, balancer shafts, and critical seals** to extend longevity.

4. **Monitor Maintenance**

- **Change oil every 5,000 7,500 miles** (synthetic oil recommended).

- **Inspect the timing chain every 100K miles** (or at 120K miles).

- **Check the cooling system annually** for leaks or water pump wear.

5. **Forced Induction Considerations** If adding turbocharging or nitrous, **upgrade supporting components** (rods, bearings, oil pump) to match the crankshaft s strength.

6. **Budget for Potential Issues** Allocate **$500 $1,500** for related repairs (e.g., water pump, head gasket, seals) to avoid unexpected expenses.

**Final Verdict:** The **303.CH1T18 crankshaft is a smart purchase** for reliability and performance, but **proper maintenance and engine care are essential** to prevent common failure modes. For most applications, it offers **a cost-effective, high-quality replacement** that enhances engine durability.

Details:

Stock Number - 2591. Warranty: All parts come with our standard 60 day warranty. Donor Vehicle - 2018 300. 4 ,3.6,AT,AWD.

It is stored in doors and ready to be shipped.

specifications cranshafengin:

• for models: 303, 300
• for makes: Chrysler
• for years: 2017-2019
• part type: Engine Crankshaft Crank Shaft
• conditions options: 4, 3.6, At, Awd
• genuine oem: Yes
• ipn: 303.ch1t18
• year: 2018
• manufacturer warranty: 60 Day

shipping cranshafengin:

• class: Standard
• cost: $0.00
• carrier: UPS
• type: Fixed
• transit: 3-5 Days
• service: UPS Ground

returns cranshafengin:

• time: 60 Days
• policy: Returns Accepted
• paid by: Buyer

general cranshafengin:

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

seller cranshafengin:

• rating: 99.6%
• # reviews: 27815
• city: Sauk Centre, Minnesota

payments cranshafengin:

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

offer cranshafengin:

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

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