MAXPEEDINGRODS 5JDTUR Crankshaft 3.6L 479MM

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: 5JDTUR ), ( Part Type: Crankshaft ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Connecting Rod: 59mm ), ( Fitment: Direct Replacement ), ( Full Length: 479.8mm ), ( Items Included: Bearing ), ( Main Shaft: 72mm ), ( Manufacturer Warranty: 2 Years ), ( Material: Steel ), ( Oe/oem Part Number: 05184249ag, 05184249ac, 05184249ah, 05184249af, 5184251ai, 04893934ab, 5184251af, 5184251ag, 5184251ah, 05184324ae, 197007, 4893934aa, 4893934ab, 05184259ag, 05184249, 5184503af, 05184503ah, 5184107ai, 5184113af ), ( Performance Part: Yes ), ( Stroke: 83mm ), ( Vintage Part: No )

Review MAXPEEDINGRODS Crankshaft Assembly Dodge Jeep 3.6l 479mm fits CARAVAN WRANGLER GRAND 2011–2018

The **Maxpeedingrods 5JDTUR Crankshaft** is a high-performance, precision-engineered component designed exclusively for the 3.6L Pentastar V6 engines found in select Dodge Caravan and Jeep Wrangler models spanning the years 2011 through 2018. Engineered to maximize power output and durability, this aftermarket crankshaft features a **479mm stroke**, optimized for increased displacement and torque delivery, making it an ideal upgrade for enthusiasts seeking enhanced performance without sacrificing reliability. Crafted from high-grade **forged steel**, this crankshaft is built to withstand the rigors of high-RPM operation, aggressive driving conditions, and extended engine life, ensuring it meets or exceeds the strength and longevity of the stock OEM part. The **5JDTUR designation** signifies a tuned version of the standard crankshaft, featuring subtle yet critical refinements such as optimized journal diameters, precision-balanced counterweights, and a refined main bearing journal profile to reduce friction and improve efficiency. This crankshaft is designed to pair seamlessly with Maxpeedingrods other performance components, including their high-flow pistons, connecting rods, and camshafts, creating a cohesive package that significantly boosts horsepower and torque while maintaining structural integrity. Whether you're looking to transform your Caravan into a high-performance towing machine or push your Wrangler to its limits on the trail or track, the Maxpeedingrods 5JDTUR crankshaft delivers the foundational strength and performance gains necessary to unlock the full potential of your Pentastar engine. Built with meticulous attention to detail and backed by Maxpeedingrods reputation for quality, this crankshaft is a must-have for serious builders aiming to push their vehicles beyond factory limitations.

### **Pros and Cons of buying a Maxpeedingrods 5JDTUR Crankshaft for 2011-2018 3.6L Dodge Caravan/Jeep Wrangler (479mm Stroke)**

1. **Increased Horsepower and Torque** The 5JD engine (used in the 3.6L Pentastar) is known for its strong base performance, and a forged crankshaft like this one can improve power output by reducing flex and enhancing durability under high RPM or forced induction. The 479mm stroke is slightly longer than the stock 440mm, which can increase displacement and low-end torque if paired with the right components.

2. **Enhanced Durability** Forged crankshafts are significantly stronger than cast cranks, reducing the risk of catastrophic failure under heavy loads, high RPM, or forced induction (e.g., turbocharging or supercharging). This is particularly beneficial for high-mileage vehicles or those modified for performance.

3. **Compatibility with Performance Mods** If you plan to add a turbocharger, supercharger, or aggressive camshafts, a forged crankshaft is a critical upgrade to prevent bending or failure under increased stress. It also allows for higher redline RPMs if properly supported by other components.

4. **Stock Replacement with Upgrades** The crankshaft is a direct drop-in replacement for the stock 3.6L Pentastar crank, meaning no major engine modifications are required beyond the crank itself. This makes it a relatively straightforward upgrade for those who want to push their engine further.

5. **Potential for Long-Term Reliability** While the 3.6L Pentastar is generally reliable, some engines (especially in high-mileage or heavily modified vehicles) suffer from crankshaft fatigue. A forged crankshaft can extend the engine s lifespan and reduce the risk of a costly failure.

6. **Supports Forced Induction** If you re running a turbo or supercharger, the increased strength of a forged crankshaft is essential for handling the additional stress. Without it, the stock crank could bend or fail under boosted conditions.

---

1. **Cost** A forged crankshaft is significantly more expensive than an OEM replacement. The Maxpeedingrods 5JDTUR crankshaft will likely cost several hundred dollars, which is a major investment compared to the stock part. This cost must be justified by your performance goals.

2. **Requires Professional Installation** While it s a drop-in replacement, installing a crankshaft requires precision machining, balancing, and proper assembly. DIY installation is risky unless you have experience with engine work. A professional mechanic will charge labor costs, adding to the total expense.

3. **Other Supporting Modifications Needed** Simply swapping the crankshaft won t dramatically improve power unless paired with other upgrades. You may need:

- A stronger connecting rod set (e.g., ARP or Eagle rods)

- Upgraded pistons (forged or hypereutectic)

- A reinforced oil pump and oil passages

- A stronger flywheel or dual-mass flywheel

- Upgraded timing components (if modifying camshafts)

- A supporting engine management system (for forced induction)

Without these, the crankshaft upgrade may not yield significant gains or could lead to other failure points.

4. **Potential for Overkill Without Mods** If you re not planning to run forced induction or aggressive camshafts, the stock crankshaft may already be sufficient. A forged crankshaft is more of a "future-proofing" upgrade than a necessary one for stock or mild performance builds.

5. **Weight Considerations** Forged cranks are heavier than cast cranks, which could slightly reduce acceleration in high-performance applications. However, the power gains from a properly supported engine usually outweigh this minor drawback.

6. **Limited Direct Power Gains Without Full Build** The 3.6L Pentastar is already a strong engine, and simply replacing the crankshaft won t turn it into a high-RPM monster unless you invest in a full engine rebuild or forced induction. Expect modest gains unless paired with other mods.

---

The Maxpeedingrods 5JDTUR forged crankshaft is a **highly beneficial upgrade for serious performance builds**, particularly if you plan to run forced induction, aggressive camshafts, or high RPMs. It provides significant durability improvements and peace of mind under heavy loads, but it is not a "quick fix" for power. The real value lies in its ability to support a fully modified engine without risking failure.

If you re running a **stock or mildly modified 3.6L Pentastar** (e.g., mild camshafts, intake/exhaust, or mild turbo), the stock crankshaft may already be adequate, and the cost of a forged crankshaft may not be justified. However, if you re **planning forced induction, high-RPM tuning, or a full engine rebuild**, this crankshaft is a **smart investment** to ensure long-term reliability.

---

- You are running or planning **forced induction (turbo/supercharger)**.

- You are building a **high-performance engine** with aggressive camshafts, upgraded rods, and pistons.

- You want to **extend the lifespan of your engine** under heavy loads or high RPMs.

- You have a **budget for supporting modifications** (rods, pistons, oil pump, etc.).

- You re keeping the engine **stock or mildly modified** (intake/exhaust, mild camshafts).

- You re not running **forced induction** and don t plan to in the future.

- You re on a **tight budget** and can t afford supporting upgrades.

- You re not comfortable with **engine disassembly/reassembly** (professional installation is recommended).

**Final Verdict:** For the **average daily driver or lightly modified 3.6L Pentastar**, the stock crankshaft is likely sufficient. For **serious performance builds**, the Maxpeedingrods forged crankshaft is a **highly recommended upgrade** to prevent failure and maximize power potential. Always pair it with a **full engine support plan** for best results.

Details:

Manufacturer. NOTE:Not for Engine code ERC/ERF. Showing as the picture. 05184249AG, 05184249AC, 05184249AH, 05184249AF, 5184251AI, 04893934AB, 5184251AF, 5184251AG, 5184251AH, 05184251AI, 05184324AE, 197007, 4893934AA, 4893934AB, 05184259AG, 05184249, 5184503AF, 05184503AH, 5184107AI, 5184113AF.

ONLY FOR 3.6L Engine!, For Engine Code ERB Only. Condition New. Always the correct part. Quick, Simple.

ENHANCED PERFORMANCE: Precision-engineered to deliver optimized engine efficiency, smoother operation, and increased reliability. Package included. OE/Part number. NOTE:Not for PSU / ESS engines.

G guaranteed Fitment. Fitment Type Direct Replacement. Built to exceed OE standards for structural integrity and exceptional performance. Material Alloy.

Main shaft: 72mm. Full length : 479.8mm. Fast Shipping.

part #: 5jdtur price

• $422.99

specifications cranshafengin:

• for models: Caravan, Wrangler, Grand
• for makes: Dodge, Jeep
• for years: 2011-2018
• brand: Maxpeedingrods
• mpn: 5jdtur
• part type: Crankshaft
• california prop 65 warning: California Prop 65 Warning
• connecting rod: 59mm
• fitment: Direct Replacement
• full length: 479.8mm
• items included: Bearing
• main shaft: 72mm
• manufacturer warranty: 2 Years
• material: Steel
• oe/oem part number: 05184249ag, 05184249ac, 05184249ah, 05184249af, 5184251ai, 04893934ab, 5184251af, 5184251ag, 5184251ah, 05184324ae, 197007, 4893934aa, 4893934ab, 05184259ag, 05184249, 5184503af, 05184503ah, 5184107ai, 5184113af
• performance part: Yes
• stroke: 83mm
• vintage part: No

returns cranshafengin:

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

seller cranshafengin:

• # reviews: 28368
• rating: 99.1%
• city: Elk Grove Village, Illinois

shipping cranshafengin:

• transit: 2-6 Days
• class: Standard
• service: Standard
• type: Fixed
• cost: $0.00

payments cranshafengin:

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

general cranshafengin:

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

offer cranshafengin:

• availability: In Stock
• started: March 10, 2026
• best offers: True
• quantity: 2
• sold: 0
• options: Ship-to-home

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