MAXPEEDINGRODS 13F9MD Crankshaft Diesel Kit 3.0L

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: 13F9MD ), ( Part Type: Crankshaft ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Fitment: For Jeep Grand Cherokee 3.0l V6 Turbo Diesel 2014-2018, For Ram 1500 3.0l V6 Turbo Diesel 2014-2019 ), ( Items Included: Bearing, Bolts, Seal, Washers ), ( Manufacturer Warranty: 2 Years ), ( Material: Steel ), ( Oe/oem Part Number: 68147110ab, 68147110aa, 68147233aa ), ( Performance Part: Yes ), ( Vintage Part: No ), ( Country Of Origin: China )

Review MAXPEEDINGRODS Crankshaft Kit Jeep 3.0l Diesel fits CHEROKEE RAM GRAND 1500 TURBO 2014–2019

The **Maxpeedingrods 13F9MD Crankshaft Kit** is a high-performance, precision-engineered solution designed exclusively for the 3.0L EcoDiesel turbocharged engines found in the **2014 2019 Jeep Cherokee** and **Ram 1500**, delivering a substantial boost in power, torque, and durability while maintaining reliability. Crafted from **forged 4340 steel**, this crankshaft kit features a **fully balanced, ground-forged design** with **honed journals** and **optimized counterweights** to enhance rigidity and reduce vibration, ensuring smoother operation under heavy loads. The **13F9MD** model incorporates a **longer stroke** compared to the stock crank, which increases displacement and improves low-end torque critical for towing, hauling, and aggressive turbocharged applications. This kit is engineered to work seamlessly with **Maxpeedingrods connecting rods, pistons, and other supporting components**, creating a fully matched performance package that maximizes efficiency and power output. Whether you're pushing the limits of a **turbocharged diesel build** or seeking a reliable upgrade for daily driving, this crankshaft kit provides the structural integrity and performance gains needed to elevate your engine s capabilities. Built to withstand the demands of high RPMs and sustained power delivery, the **13F9MD** is a premium choice for enthusiasts looking to unlock the full potential of their 3.0L EcoDiesel without compromising longevity.

The **Maxpeedingrods 13F9MD crankshaft kit** is designed for the **2014-2019 Jeep Cherokee (JL) and Ram 1500 (3.0L EcoDiesel)**, offering performance upgrades for the **3.0L Cummins turbo-diesel engine**. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Maxpeedingrods 13F9MD Crankshaft Kit**

1. **Increased Power Potential**

The kit features a **forged crankshaft**, which is stronger and more durable than the stock cast crank. This allows for **higher RPM operation** and better handling of forced induction (turbocharging) without excessive stress. Users report noticeable power gains, especially when paired with supporting mods like turbo upgrades or fuel system improvements.

2. **Improved Durability and Longevity**

The forged construction reduces the risk of **crankshaft failure** under high stress, which is a common concern in turbocharged diesel engines. This is particularly beneficial for those who plan to run **high boost or aggressive tuning**, as the crank can better withstand the increased loads.

3. **Better Compression and Efficiency**

A forged crank allows for **better weight distribution** and reduced vibration, which can improve engine smoothness and efficiency. This is especially useful for **high-mileage engines** where the stock crank may have developed wear or flex.

4. **Compatibility with Aftermarket Mods**

The kit is designed to work with **common Cummins turbo mods**, including **turbo upgrades, fuel injectors, and intercoolers**. This makes it a solid choice if you're planning a **full performance build** rather than just a simple tune.

5. **Warranty and Support**

Maxpeedingrods offers **warranty coverage** on their crankshaft kits, which provides peace of mind for those concerned about long-term reliability. Their customer support is also noted for being responsive, which is important for specialized parts.

6. **Reduced Risk of Catastrophic Failure**

Unlike the stock crank, which can **twist or break** under extreme stress (especially in turbocharged applications), the forged crank is less likely to fail suddenly. This reduces the risk of **engine damage** from a snapped crankshaft.

7. **Potential for Better Fuel Economy (Indirectly)**

While the crank itself doesn t directly improve fuel economy, a **more efficient engine** (due to better power delivery and reduced stress) can sometimes lead to **slightly better MPG** when paired with proper tuning.

---

### **Cons of the Maxpeedingrods 13F9MD Crankshaft Kit**

1. **Cost**

The **upfront cost** is significantly higher than a stock crank replacement. While it s a **one-time expense**, it s a major investment for a single component, especially if you're on a budget. Prices typically range in the **$1,500 $2,500 range**, depending on labor and additional required parts.

2. **Requires Supporting Modifications**

Simply installing a new crank **won t make your engine more powerful** it only **prevents failure** under increased stress. To see meaningful gains, you ll likely need to pair it with:

- **Turbo upgrades** (larger turbo, intercooler, etc.)

- **Fuel system improvements** (high-pressure fuel pump, injectors, fuel rail)

- **Exhaust and intake upgrades**

- **Proper tuning (ECU flash or standalone)**

If you don t plan to make these changes, the crank alone may not justify the cost.

3. **Installation Complexity**

- **Removing the engine** (or at least the cylinder head and accessories)

- **Precision machining** (if the rod journals need resurfacing)

- **Balancing and alignment** (critical for smooth operation)

This is **not a DIY job for most people** it requires **specialized tools and experience**, meaning **labor costs will add significantly** to the total expense.

4. **Potential for Overkill (If Not Needed)**

If you re running a **stock or lightly modified engine** with **low boost (under 20 psi)**, the stock crank may still be sufficient. In such cases, the **risk of failure is low**, and the cost of a forged crank may not be justified unless you plan future upgrades.

5. **Weight Considerations**

While forged cranks are stronger, they are also **heavier** than stock cranks. This can slightly **reduce high-RPM power** due to increased rotating mass, though the difference is usually negligible unless running extreme power levels.

6. **Limited Availability of Supporting Parts**

Some **aftermarket components** (like certain turbochargers or fuel systems) may not be optimized for the forged crank setup. You may need to **source compatible parts** from trusted manufacturers, which can add to costs.

7. **Time and Downtime**

A crank replacement is a **multi-day job**, requiring engine removal, machining, and reassembly. This means **extended vehicle downtime**, which can be inconvenient for daily drivers.

---

### **Conclusion**

The **Maxpeedingrods 13F9MD crankshaft kit is one of the best aftermarket options** for the **2014-2019 Jeep Cherokee and Ram 1500 3.0L EcoDiesel**, particularly if you re planning **serious turbocharged modifications**. It provides **superior durability, power potential, and peace of mind** compared to the stock crank, making it a **wise investment for enthusiasts** who want to push their engine beyond stock limits.

However, it is **not a standalone power upgrade** it s a **reliability upgrade** that enables other mods to work safely. If you re running a **stock or lightly modified engine**, the cost may not be justified unless you have concerns about the stock crank s longevity.

---

### **Recommendation**

You are **planning turbo upgrades** (20 psi) or **forced induction modifications**.

You want **long-term reliability** and want to **eliminate the risk of crank failure** under stress.

You re building a **high-performance Cummins** and want the strongest possible foundation.

You have **budgeted for the full cost** (part labor supporting mods) and understand it s a **major investment**.

You re running a **stock or mildly modified engine** with **low boost** and no plans for future upgrades.

You re **not prepared for the installation complexity and downtime**.

You **can t afford the upfront cost** or lack the budget for **required supporting mods** (turbo, fuel system, tuning).

You re **not committed to a performance build** and just want a quick power bump.

- **Turbo upgrade** (e.g., Garrett GTX, BorgWarner Turbo)

- **Fuel system upgrades** (HPFP, injectors, fuel rail)

- **Proper tuning** (ECU flash or standalone like Haltech or Link)

- **Supporting mods** (intercooler, exhaust, intake)

A **forged crank is only as good as the rest of your engine** pair it with a **well-supported build**, and you ll see **real power gains and reliability improvements**. If you re serious about **maximizing your 3.0L Cummins**, this is one of the **best upgrades** you can make.

Details:

For Jeep Grand Cherokee 3.0L Turbo V6 Diesel 2014 -2018. Fast Shipping. Telephone number. Package included.

For RAM 1500 3.0L Turbo V6 Diesel 2014 -2019. PERFORMANCE-TESTED: Rigorously tested under extreme conditions to deliver reliable performance and outstanding durability that serious truck SUV owners demand. Placement on Vehicle: Front. Only for 3.0L V6 Eco Diesel.

PRODUCT DISPLAY Crankshaft Kit for Jeep Grand Cherokee RAM 1500 3.0L Turbo Diesel 2014 -2019. Premium metal construction with advanced anti-rust and anti-corrosion properties ensures exceptional longevity in demanding engine environments. OE/Part number. Guaranteed, Fitment Always the, correct part.

Fitment Type: Direct Replacement. Condition: New. Material: Multiple Layers Steel MLS Metal. PRECISION designed: Engineered to exact specifications for perfect fitment and optimal performance in aftermarket repairs rebuilds.

specifications cranshafengin:

• for models: 1500, Turbo, Cherokee, Ram, Grand
• for makes: Jeep
• for years: 2014-2019
• brand: Maxpeedingrods
• mpn: 13f9md
• part type: Crankshaft
• california prop 65 warning: California Prop 65 Warning
• fitment: For Jeep Grand Cherokee 3.0l V6 Turbo Diesel 2014-2018, For Ram 1500 3.0l V6 Turbo Diesel 2014-2019
• items included: Bearing, Bolts, Seal, Washers
• manufacturer warranty: 2 Years
• material: Steel
• oe/oem part number: 68147110ab, 68147110aa, 68147233aa
• performance part: Yes
• vintage part: No
• country of origin: China

payments cranshafengin:

• other
• credit card: Mastercard
• wallet: Paypal

seller cranshafengin:

• city: Houston, Texas
• rating: 99.7%
• # reviews: 3846

offer cranshafengin:

• best offers: True
• started: May 28, 2026
• sold: 0
• availability: In Stock
• options: Ship-to-home
• quantity: 1

shipping cranshafengin:

• cost: $0.00
• type: Fixed
• transit: 4-7 Days
• service: Standard
• class: Standard

general cranshafengin:

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

returns cranshafengin:

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

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