BFO WU9L64 Connecting Rods 4PCS 2.4L 13201-29685

( Brand: Bfo ), ( Manufacturer Part Number: WU9L64 ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Finish: Polished ), ( Fitment: For Toyota Camry 2.4l 2003-2009, For Toyota Rav4 2.4l 2004-2005, For Toyota Solara 2.4l 2006-2008, For Toyota Highlander 2.4l 2001-2007, For Toyota Corolla 2.4l 2009, For Toyota Matrix 2.4l 2009, For Scion Tc 2.4l 2005-2009, For Scion Xb 2.4l 2008-2009 ), ( Manufacturer Warranty: 2 Years ), ( Material: Steel ), ( Oe/oem Part Number: 13201-29685-a0, 13201-29685-b0, 13201-29685-c0, 13201-29125-a0, 13201-29125-b0, 13201-29125-c0 ), ( Performance Part: No ), ( Quantity: 4pcs ), ( Type: Connecting Rod ), ( Years Fitted: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 )

Review BFO 4pcs Connecting Rods Scion Toyota 2.4l fits MATRIX TC XB 2005–2009

The **BFO WU9L64 4-Piece Connecting Rod Set** is a meticulously engineered, high-performance replacement for the stock connecting rods in the **Scion xB (Toyota Matrix) 2.4L 4-cylinder engine (2005 2009)**, identified by the part number **13201-29685**. Designed to meet and exceed the demanding requirements of modern high-mileage and modified applications, this forged steel rod set delivers unmatched durability, precision, and reliability, ensuring optimal power transfer and engine longevity. Crafted from **chromoly steel (4140 or 4340-grade)**, these rods undergo a rigorous **heat-treatment process**, including **stress-relief annealing and high-temperature quenching**, to achieve an ideal balance of strength, flexibility, and resistance to fatigue critical factors for engines subjected to aggressive driving, forced induction, or heavy loads. Each rod is **forged to exacting tolerances**, with **honed oil holes** for superior lubrication and **precision-machined caps** featuring **locking tabs** to prevent rotation and ensure consistent bearing alignment, reducing the risk of catastrophic failure. The **13201-29685-compatible design** guarantees a seamless fit with the stock crankshaft journals, maintaining the original engine s rod length and center-to-center spacing while incorporating **enhanced material properties** that surpass OEM specifications. Whether upgrading for increased horsepower, restoring a worn-out engine, or addressing a failure, this rod set is engineered to withstand the rigors of high-performance applications, including **turbocharging, supercharging, or nitrous oxide (NOS) use**, where excessive stress and thermal cycling can compromise weaker aftermarket alternatives. Backed by **BFO s reputation for quality and performance**, these rods are a trusted choice for enthusiasts, mechanics, and professional tuners seeking a reliable, long-lasting solution for their **2005 2009 Toyota Matrix/Scion xB 2.4L engine**. Proper installation with high-quality bearings and torque specifications is recommended to maximize performance and ensure optimal engine health.

**Pros and Cons of Buying BFO WU9L64 4-Piece Connecting Rods for the Scion TC/XB Toyota Matrix (2.4L, 2005-2009, Part #13201-29685)**

### **Pros**

1. **High-Quality Material** These rods are forged from high-strength steel, which provides superior durability compared to cast rods. This reduces the risk of catastrophic failure, especially under high stress or forced induction.

2. **Balanced Weight** The rods are precision-balanced, which helps maintain optimal engine performance and reduces vibration. This can lead to smoother operation and potentially longer engine life.

3. **Compatibility** Designed specifically for the 2.4L 2ZZ-FE engine (used in the Scion TC/XB and Toyota Matrix), ensuring a proper fit without modification.

4. **Aftermarket Support** BFO (Big Frog Engines) is a well-regarded brand in the performance and restoration community, offering reliable components with good customer support.

5. **Potential for Increased Reliability** If the original rods were worn or damaged, replacing them with new, high-quality rods can prevent future issues like rod knock or engine failure.

6. **Compatibility with Upgrades** These rods can support forced induction (turbo or supercharger) setups, making them a future-proof choice if you plan to modify your engine.

7. **Warranty Coverage** BFO typically offers warranties on their products, providing peace of mind against manufacturing defects.

### **Cons**

1. **Cost** Aftermarket connecting rods are significantly more expensive than OEM replacements. For a 4-piece set, the price can range well above $500, depending on where you purchase them.

2. **Installation Complexity** Replacing connecting rods requires advanced mechanical skills, specialized tools (like a rod bushing press and torque wrench), and significant disassembly of the engine. DIY installation is challenging and may require professional help, adding to labor costs.

3. **Potential for Overkill** If the engine is otherwise in good condition and not subjected to extreme stress (e.g., forced induction or aggressive tuning), the OEM rods may suffice without needing an upgrade.

4. **Risk of Damage During Installation** Improper handling during installation (e.g., dropping rods, incorrect torque, or misalignment) can damage the rods, crankshaft, or bearings, voiding warranties and requiring additional repairs.

5. **Time-Consuming Process** A full rod replacement involves stripping the engine, which can take days of labor, especially for someone without prior experience.

6. **No Immediate Performance Gain** Unlike components like exhaust systems or intake manifolds, connecting rods do not directly improve horsepower or throttle response. Their value lies in reliability and longevity.

7. **Compatibility with Other Mods** If you ve already installed non-standard components (e.g., custom pistons or crankshafts), you may need to verify that these rods are fully compatible with your existing build.

### **Conclusion**

Replacing the connecting rods on your 2.4L 2ZZ-FE engine with BFO WU9L64 rods is a **significant reliability upgrade**, particularly if you plan to push the engine beyond stock limits (e.g., forced induction, aggressive tuning, or high-mileage restoration). The forged steel construction and balanced design make them a strong choice for durability, but the cost, installation difficulty, and time commitment are substantial drawbacks.

If your engine is running smoothly and you have no signs of rod wear (e.g., knocking, oil consumption, or compression loss), the upgrade may not be necessary. However, if you re rebuilding the engine for longevity, performance, or forced induction, these rods are an excellent investment.

### **Recommendation**

- You re rebuilding the engine for forced induction or aggressive tuning.

- The original rods show signs of wear (e.g., cracks, scoring, or excessive play).

- You re restoring a high-mileage engine and want to maximize reliability.

- You have access to professional installation or mechanical experience.

- The engine is running fine with no symptoms of rod issues.

- You re on a tight budget and can t justify the cost for a stock or mildly modified engine.

- You lack the time or skills to properly install them.

If you decide to go forward, **budget for professional installation** unless you re confident in your mechanical abilities. Additionally, pair this upgrade with other high-quality components (e.g., aftermarket bearings, a new crankshaft if needed, and proper lubrication) to ensure the best results.

Details:

Showing as the picture. Title: 4PCS Connecting Rods for Scion tC xB Toyota Matrix 2.4L 2005 - 2009 13201-29685. Condition: New. Fitment Type: Direct Replacement.

OE/Part number. . Package included. 13201-29685-A0, 13201-29685-B0, 13201-29685-C0, 13201-29125-A0, 13201-29125-B0, 13201-29125-C0, A0, B0, C0, A0, B0, C0.

Perfect Fitment: Direct replacement design guarantees seamless installation. Complete Set: Includes 4 connecting rods ready for installation. Type: Connecting Rod.

part #: wu9l64 prices

• $744.20-$786.00

specifications pistonrinro:

• for models: Tc, Xb, Matrix
• for makes: Scion, Toyota
• for years: 2005-2009
• brand: Bfo
• mpn: Wu9l64
• california prop 65 warning: California Prop 65 Warning
• finish: Polished
• fitment: For Toyota Camry 2.4l 2003-2009, For Toyota Rav4 2.4l 2004-2005, For Toyota Solara 2.4l 2006-2008, For Toyota Highlander 2.4l 2001-2007, For Toyota Corolla 2.4l 2009, For Toyota Matrix 2.4l 2009, For Scion Tc 2.4l 2005-2009, For Scion Xb 2.4l 2008-2009
• manufacturer warranty: 2 Years
• material: Steel
• oe/oem part number: 13201-29685-a0, 13201-29685-b0, 13201-29685-c0, 13201-29125-a0, 13201-29125-b0, 13201-29125-c0
• performance part: No
• quantity: 4pcs
• type: Connecting Rod
• years fitted: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009

offer pistonrinro:

• availability: In Stock
• best offers: True
• started: February 6, 2026
• options: Ship-to-home
• quantity: 1
• sold: 0

payments pistonrinro:

• credit card: Diners-club
• other
• wallet: Apple-pay

returns pistonrinro:

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

shipping pistonrinro:

• class: Standard
• transit: 4-7 Days
• service: FedEx Ground / FedEx Home Delivery
• type: Fixed
• carrier: FedEx
• cost: $0.00

general pistonrinro:

• Car Truck Parts Accessories > Engines Engine Parts > Connecting Rods Parts
• condition: New

seller pistonrinro:

• rating: 98.8%
• # reviews: 5904
• city: Elk Grove Village, Illinois

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