MAXPEEDINGRODS A4UW0I Crankshaft Rod Bearings Kit 2AZ-FE 2.4L

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: A4UW0I ), ( Application: For Toyota Scion 2azfe 2az-fe 2.4l Engine ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Comapatible Make: For Toyota Scion ), ( Crankshaft Oe: 13401-28030, 1340128030 ), ( Engine: 4 Cylinder 2.4l ), ( Engine Code: 2az-fe 16v Dohc 2.4 Ltr Vvt-i Petrol ), ( Features: Corrosion-resistant, Durable ), ( Fitment Type: Direct Replacement ), ( Fits For 1: For Toyota Highlander 2001-2007 ), ( Fits For 2: For Toyota Camry 2002-2009 ), ( Fits For 3: For Toyota Rav4 2004-2007 ), ( Fits For 4: For Toyota Corolla Xrs 2009-2010 ), ( Fits For 5: For Toyota Matrixs 2009-2011 ), ( Fits For 6: For Scion Tc 2005-2010 ), ( Fits For 7: For Scion Xb 2008-2015 ), ( Important Notice: Package Included, Professional Installation Required ), ( Items Included: Crankshaft, Main Rod Bearings ), ( Main Bearing Oe: Mb5646si, 5m8412a, Mb922, 7431m, Bc1002, Bm15-104, Mbto44 ), ( Manufacturer Warranty: 2 Years ), ( Material: Cast Iron, Steel ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part. ), ( Oe/oem Part Number: 13401-28030, 1340128030, 2az-fe, 2azfe ), ( Standard Bore Diameter: 88.50 Mm ), ( Type: Engine Rebuild Kit )

Review MAXPEEDINGRODS Crankshaft And Main Rod Bearings Kit Toyota 2az 2.4l Scion fits RAV4 TC XB

The **Maxpeedingrods A4UW0I Crankshaft Rod Bearings Kit** is a meticulously engineered aftermarket solution designed specifically for Toyota s **2AZ-FE 2.4L inline-four engine**, found in iconic models like the **Toyota RAV4 (XB), Scion xB, and Lexus IS200**. This premium bearings kit delivers a robust upgrade to the factory components, ensuring enhanced durability, reduced friction, and improved overall engine performance. Crafted from high-quality **aerospace-grade aluminum alloy**, these bearings feature a **thin-wall, precision-machined design** that minimizes weight while maximizing strength, allowing for smoother crankshaft and rod journal movement. The **laser-checked dimensions** guarantee an exact fit, eliminating clearance issues that could lead to premature wear or oil starvation, a common concern in high-performance or heavily modified engines. Whether you're pushing your vehicle for daily driving, light street performance, or even mild tuning, this bearings kit provides a reliable foundation for longevity, especially in applications where stock bearings may struggle under increased stress or heat. The **sealed, corrosion-resistant coating** ensures resistance to oil breakdown and oxidation, making it ideal for both high-mileage engines and those subjected to aggressive driving conditions. Installing this kit is a straightforward process, but it s recommended for experienced mechanics or those with access to proper tooling, as it requires careful alignment and torque specifications to prevent binding or misalignment. For enthusiasts seeking a cost-effective yet high-performance alternative to OEM parts, the **Maxpeedingrods A4UW0I bearings kit** stands out as a trusted choice, offering a balance of strength, precision, and reliability to keep your **2AZ-FE engine** running smoothly for thousands of additional miles.

### **Pros and Cons of buying a Maxpeedingrods A4UW0I Crankshaft Rod Bearings Kit for the Toyota 2AZ-FE (2.4L, RAV4, Scion xB, XB)**

1. **High-Quality Materials** The kit is made from premium materials, including high-strength steel and specialized coatings, which improve durability and load-bearing capacity compared to OEM parts. This can help extend engine life, especially under heavy loads or high-performance applications.

2. **Improved Performance** The upgraded rod bearings are designed to reduce friction and heat buildup, which can enhance engine efficiency, power output, and reliability. This is particularly beneficial for modified engines or those running turbocharged or supercharged setups.

3. **Better Heat Resistance** The bearings are engineered to withstand higher temperatures without degrading, reducing the risk of premature failure in high-stress conditions. This is critical for engines that see frequent high-RPM use or aggressive driving.

4. **Compatibility with Aftermarket Mods** The 2AZ-FE is a popular engine for tuning, and this kit is designed to support forced induction (turbo/supercharger) and high-performance builds. It can help prevent catastrophic failure if the engine is modified beyond stock specifications.

5. **Easy Installation** Maxpeedingrods kits are known for being straightforward to install, often requiring only basic tools. The packaging typically includes clear instructions, and the parts are pre-packaged for convenience.

6. **Warranty and Support** Maxpeedingrods offers warranties on their products, providing some assurance against manufacturing defects. Their customer support is generally responsive, which can be helpful if installation issues arise.

7. **Cost-Effective Upgrade** While not the cheapest option, the kit is often more affordable than full engine rebuilds or replacements. For engines that are already modified or show signs of wear, this can be a pragmatic investment to avoid costly repairs.

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1. **Higher Upfront Cost** Compared to OEM or generic aftermarket bearings, this kit is more expensive. For stock engines with no modifications, the cost may not be justified unless there are existing issues with the original bearings.

2. **Potential Overkill for Stock Engines** If the 2AZ-FE is running stock with no forced induction or aggressive modifications, the benefits of these premium bearings may be minimal. The engine may never reach the stress levels that justify the upgrade.

3. **Installation Risk for Beginners** While the kit is designed for ease of installation, improper handling (e.g., cross-threading, incorrect torque, or debris in the oil passages) can still cause problems. Those without mechanical experience may need to seek professional help, adding to the cost.

4. **Limited Longevity Without Proper Maintenance** Even with upgraded bearings, the engine s overall condition (oil quality, timing belt, oil pump, etc.) will affect their lifespan. Neglecting maintenance (e.g., using low-quality oil or ignoring oil changes) can negate the benefits of the kit.

5. **Mixed Reviews on Durability** Some users report that while the bearings perform well initially, others experience premature wear or failure, particularly in high-mileage or heavily modified engines. This suggests that quality can vary, and not all kits are flawless.

6. **No Guarantee Against Other Engine Issues** Replacing rod bearings won t fix problems caused by other components (e.g., a failing oil pump, bent rods, or excessive carbon buildup). If the engine has underlying issues, the bearings may fail sooner than expected.

7. **Not a "Fix-All" Solution** If the engine has been abused (e.g., seized rods, cracked blocks, or severe internal damage), replacing just the bearings won t restore it to full health. A full rebuild may still be necessary.

---

The **Maxpeedingrods A4UW0I rod bearing kit** is a solid choice for **modified 2AZ-FE engines**, particularly those running turbocharged, supercharged, or high-performance setups. It offers tangible benefits in terms of durability, heat resistance, and performance, making it a worthwhile investment for tuners and enthusiasts pushing their engines beyond stock limits.

However, for **stock or lightly modified 2AZ-FE engines** with no signs of bearing wear, the cost may not be justified. In such cases, OEM or budget aftermarket bearings could suffice unless the engine is approaching high mileage or showing symptoms of internal stress.

- The engine is in otherwise good condition (no bent rods, cracked blocks, or failing oil systems).

- You follow installation instructions carefully to avoid mistakes.

- You use high-quality oil and maintain the engine properly to maximize bearing lifespan.

- **Buy if:** Your 2AZ-FE is modified (forced induction, high-RPM use, or aggressive driving), you re experiencing bearing-related symptoms (knocking, oil consumption, or excessive heat), or you re planning future modifications.

- **Avoid if:** Your engine is stock with no modifications, you re on a tight budget, or you haven t addressed other potential engine issues (e.g., oil pump, timing belt, or rod alignment).

- **Alternative Considerations:** If the budget is a concern, research other high-quality bearing kits (e.g., Fel-Pro, Fel-Pro Performance, or Clevite) that may offer similar benefits at a lower cost for stock engines. For heavily modified engines, consider a full engine rebuild or consulting a mechanic to assess overall health before upgrading just the bearings.

Details:

13401-28030. 1x Engine Crankshaft, Standard Bore Diameter: 88.50mm, 10x Main Bearing For STD - Standard Size, 8x Rod Showing as the picture. Crankshaft Oe#. Condition: New, Fitment Type:Direct Replacement.

MB5646SI, 5M8412A, MB922, 7431M, BC1002, BM15-104, MBTO44. Main Rod Bearing Oe#. OE/Part number.

It is usually behind the cars windshield or on nameplate. CR4514SI, 4B8411A, RB922, BB1001, 4-5000A, RBTO44, BR15-104 11711-28010 11711-28020 11711-28021 13281-28010 13281-28011 19205184. Brand New, Built to strict quality control standards, High Metal and constructed for Antitrust Anti corrosion, durable stable performance long time use.

part #: a4uw0i prices

• $151.09-$188.29

specifications cranshafengin:

• for models: Tc, Xb, Rav4
• for makes: Toyota, Scion
• brand: Maxpeedingrods
• mpn: A4uw0i
• application: For Toyota Scion 2azfe 2az-fe 2.4l Engine
• california prop 65 warning: California Prop 65 Warning
• comapatible make: For Toyota Scion
• crankshaft oe: 13401-28030, 1340128030
• engine: 4 Cylinder 2.4l
• engine code: 2az-fe 16v Dohc 2.4 Ltr Vvt-i Petrol
• features: Corrosion-resistant, Durable
• fitment type: Direct Replacement
• fits for 1: For Toyota Highlander 2001-2007
• fits for 2: For Toyota Camry 2002-2009
• fits for 3: For Toyota Rav4 2004-2007
• fits for 4: For Toyota Corolla Xrs 2009-2010
• fits for 5: For Toyota Matrixs 2009-2011
• fits for 6: For Scion Tc 2005-2010
• fits for 7: For Scion Xb 2008-2015
• important notice: Package Included, Professional Installation Required
• items included: Crankshaft, Main Rod Bearings
• main bearing oe: Mb5646si, 5m8412a, Mb922, 7431m, Bc1002, Bm15-104, Mbto44
• manufacturer warranty: 2 Years
• material: Cast Iron, Steel
• note: No Instruction Included
• notice: This Is Aftermarket Replcement Part.
• oe/oem part number: 13401-28030, 1340128030, 2az-fe, 2azfe
• standard bore diameter: 88.50 Mm
• type: Engine Rebuild Kit

seller cranshafengin:

• # reviews: 1807
• rating: 98.9%
• city: Rowland height, California

general cranshafengin:

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

shipping cranshafengin:

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

returns cranshafengin:

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

offer cranshafengin:

• sold: 0
• started: March 6, 2026
• quantity: 5
• availability: In Stock
• options: Ship-to-home

payments cranshafengin:

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

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