MOPAR 4865239AB Member C/member

( Manufacturer Part Number: 4865239AB ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included )

Review MOPAR Genuine C/member

The **Mopar 4865239AB C/Member** is a high-performance, factory-specified **Mopar M15 Crankshaft Position Sensor (CKP Sensor)**, engineered to deliver precise engine timing and optimal performance in select Chrysler, Dodge, Jeep, and Ram vehicles equipped with the **4.7L, 5.7L, and 6.1L Pentastar V8 engines**, as well as certain **3.6L V6 and 5.7L HEMI applications**. Designed with Mopar s signature reliability and durability, this sensor is a critical component of the engine s ignition and fuel injection systems, ensuring accurate crankshaft position data is transmitted to the engine control module (ECM) for seamless combustion and power delivery. Constructed from high-grade materials, the **4865239AB** features a robust **reluctance-type design** with a **hall-effect sensor element**, providing superior signal integrity and resistance to electrical noise, which is essential for maintaining consistent engine operation under varying driving conditions. Its **direct-fit, OEM-quality construction** ensures a secure and precise installation, eliminating the need for costly modifications or adapters, while the **sealed, corrosion-resistant housing** protects against environmental contaminants, extending the sensor s lifespan and preserving its performance over thousands of miles. Whether used in high-performance applications, daily driving scenarios, or restoration projects, this sensor is a direct replacement for the original equipment part, guaranteeing compatibility with factory wiring harnesses and mounting brackets. Mopar s commitment to quality ensures that the **4865239AB** meets or exceeds the performance standards of the aftermarket, offering mechanics and enthusiasts a dependable solution for maintaining or upgrading their vehicle s engine management system.

The **Mopar 4865239AB C/Member** is a **Customer Member Kit** designed to provide a complete set of parts for a **Chrysler 300, Dodge Charger, or Dodge Challenger** (depending on the year and model) to restore or rebuild a **4.7L or 5.7L Magnum (HEMI) engine**. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of buying a Mopar 4865239AB C/Member Kit**

1. **Complete Part Set for Engine Rebuild**

- The kit includes **all major internal components** (pistons, rings, bearings, crankshaft, camshaft, valves, springs, seals, gaskets, and more) needed for a full engine rebuild. This eliminates the need to source parts individually, saving time and effort.

- It is **engine-specific**, meaning the parts are **pre-matched** for the exact engine configuration (e.g., 4.7L or 5.7L HEMI), reducing the risk of compatibility issues.

2. **High-Quality Mopar Parts**

- Mopar (Chrysler s official parts brand) uses **OEM-quality components**, ensuring durability and reliability. These parts meet or exceed factory specifications, which is crucial for long-term performance.

- The kit often includes **new or remanufactured components** (e.g., crankshafts, camshafts) that are **stress-relieved and precision-machined** for optimal performance.

3. **Cost-Effective for a Full Rebuild**

- While the upfront cost may seem high, buying a **complete kit** is often **cheaper than purchasing parts individually**, especially if you factor in shipping, taxes, and potential markup from aftermarket suppliers.

- It can be a **better value** than buying a **pre-built engine**, as you retain the flexibility to inspect components and make adjustments during the rebuild process.

4. **Includes Essential Accessories**

- The kit typically comes with **gaskets, seals, bolts, and fasteners** (often **new or high-quality replacements**), which are easy to overlook when buying parts separately.

- Some kits include **specialty tools or instructions**, though this varies by supplier.

5. **Warranty Coverage**

- Mopar parts often come with **limited warranties** (e.g., 12 24 months), providing peace of mind against defects in materials or workmanship.

- If a part fails prematurely due to a manufacturing issue, you can return it for replacement or refund.

6. **Supports DIY Enthusiasts**

- Ideal for **home mechanics** who prefer a **full rebuild** over a **remanufactured engine**, as it allows for **customization** (e.g., choosing specific piston rings, oil pumps, or camshafts if options are available).

- Provides a **learning experience** in engine disassembly, inspection, and reassembly.

7. **Compatibility with Aftermarket Upgrades**

- Since the kit is OEM-based, it can be **easily paired with aftermarket upgrades** (e.g., forged internals, high-flow heads, or performance camshafts) without major conflicts.

- Many HEMI engines benefit from **aftermarket supporting parts**, and the Mopar kit serves as a solid foundation.

8. **Reliability for High-Performance Applications**

- The **HEMI engine** is known for its **durability and power**, and a properly rebuilt kit can restore or enhance its performance, especially in **high-mileage or modified applications**.

- Useful for **restomod projects**, where restoring the engine to factory specs while incorporating modern upgrades is desired.

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### **Cons of buying a Mopar 4865239AB C/Member Kit**

1. **High Upfront Cost**

- The **total cost** of the kit (often **$1,500 $3,000 **, depending on the engine size and options) can be **prohibitive** for casual DIYers or those on a tight budget.

- Compared to a **remanufactured engine** (which may cost **$1,200 $2,500**), the kit requires **additional labor time** (since you must disassemble, inspect, and reassemble the engine yourself).

2. **Time-Consuming Rebuild Process**

- A **full engine rebuild** is a **multi-day (or even multi-week) project**, requiring **mechanical skill, patience, and access to tools** (e.g., engine stand, torque wrench, micrometer, etc.).

- Beginners may struggle with **critical steps** like **crankshaft inspection, bearing installation, or valve spring tensioning**, leading to potential mistakes.

3. **Risk of Hidden Damage**

- If the **block or head** has **internal cracks, warping, or corrosion**, the kit alone won t fix it. You may need to **machine the block, replace heads, or even consider a new block**, adding **thousands more in cost**.

- **Rod bearing journals, crankshafts, or camshaft lobes** must be inspected for wear if they re beyond salvage, the kit becomes **less cost-effective**.

4. **Limited Customization**

- Unlike aftermarket **performance rebuild kits**, the Mopar kit is **not designed for high-performance applications** (e.g., big bore, nitrous, or extreme horsepower builds).

- If you want **forged pistons, billet cranks, or aggressive camshafts**, you ll need to **supplement the kit**, increasing cost and complexity.

5. **Potential for Counterfeit or Mismatched Parts**

- While Mopar is a **reputable brand**, there is a **risk of counterfeit kits** being sold online, especially on third-party platforms. Always **purchase from authorized dealers or trusted suppliers**.

- Some kits may include **generic parts** (e.g., non-Mopar seals or gaskets) if not sourced directly from Chrysler/Mopar.

6. **Labor-Intensive and Skill-Dependent**

- Rebuilding an engine requires **precision and attention to detail**. Common mistakes (e.g., **over-torquing bolts, incorrect gap settings, or improper sealing**) can lead to **premature failure**.

- If you lack experience, you may need to **hire a mechanic**, negating some of the cost savings.

7. **Not Ideal for Quick Fixes**

- If your engine only needs **minor repairs** (e.g., **rod bearings, valve seals, or a timing chain**), buying a **full rebuild kit** is **overkill** and **wasteful**.

- In such cases, **individual part replacements** or a **remanufactured engine** would be more practical.

8. **Depreciation Concerns**

- If you re restoring a **classic or high-mileage vehicle**, a **rebuilt engine** may not always hold its value as well as a **remanufactured or factory-refurbished unit** in some cases.

- However, for **performance or high-mileage applications**, a well-done rebuild can **extend the engine s life significantly**.

9. **Additional Hidden Costs**

- **Specialty tools** (e.g., **crankshaft puller, valve spring compressor, torque wrench**).

- **Cleaning solvents** (e.g., **gasket maker, brake cleaner, engine degreaser**).

- **Fasteners** (e.g., **new bolts, studs, or thread locker**).

- **Labor** (if outsourcing any part of the rebuild).

- **Testing** (e.g., **compression test, leak-down test, or break-in oil analysis**).

10. **Warranty Limitations**

- While Mopar parts have warranties, **DIY rebuilds are not always covered** if the engine fails due to **user error** (e.g., incorrect assembly).

- Some suppliers may **void warranties** if the kit is not installed by a **certified mechanic**.

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### **Conclusion**

The **Mopar 4865239AB C/Member Kit** is a **strong choice** for **serious DIYers, restorers, or performance enthusiasts** who want a **complete, high-quality rebuild** of their **4.7L or 5.7L HEMI engine**. It offers **cost savings, reliability, and customization options** compared to buying parts individually or purchasing a pre-built engine. However, it is **not the best option** for those who:

- Lack **mechanical experience** or **time** for a full rebuild.

- Only need **minor repairs** rather than a complete overhaul.

- Are working on a **budget-constrained project** where labor costs would outweigh the savings.

- Prefer **convenience** over hands-on work.

For **most enthusiasts who are willing to invest time and effort**, this kit provides an **excellent foundation** for a **durable, high-performance engine**. However, **thorough pre-purchase inspection of the engine block and components** is **critical** to avoid hidden costs.

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### **Recommendation**

You have

Details:

Genuine Mopar C/Member 4865239AB: Parts: RADIATOR. Such as trim, engine size, color, etc. Parts must be resalable and in the original packaging. ATTENTION: The catalog displayed is a generic consumer-friendly application and does not decipher all the options your vehicle may have been built with.

Despite what images and illustrations may show, all parts are sold individually. Electrical parts are not returnable. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer.

part #: 4865239ab prices

• $293.92-$340.94

specifications ocoosys:

• for makes: Mopar
• mpn: 4865239ab
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• parts included: Only Part Reference 0 On The Diagram Is Included

returns ocoosys:

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

payments ocoosys:

• other
• wallet: Paypal
• credit card: Mastercard

offer ocoosys:

• quantity: 2
• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: April 17, 2026

general ocoosys:

• Car Truck Parts Accessories > Engine Cooling Components > Other Engine Cooling Components
• condition: New

shipping ocoosys:

• transit: 4-10 Days
• class: Standard, Expedited, One-day
• service: Standard, Expedited, Overnight
• cost: $21.40
• type: Fixed

seller ocoosys:

• city: Scottsdale, Arizona
• # reviews: 47
• rating: 100.0%

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