HONDA 91008-HP1-672 Crank Bearing

( Manufacturer Part Number: 91008-HP1-672 ), ( Part Type: Bearing Crank ), ( Location: Indy Honda Oem )

Review HONDA Oem Crank Bearing fits TRX450R 2004–2005

The **Honda 91008-HP1-672 Crank Bearing** is a precision-engineered, high-performance replacement part designed specifically for the **2004 2005 Honda TRX450R**, ensuring optimal power delivery, durability, and reliability for off-road enthusiasts. This bearing is a critical component of the crankshaft assembly, serving as the foundational pivot point that allows the crankshaft to rotate smoothly within the engine block while withstanding the immense stress of high-revving, high-torque off-road conditions. Crafted from **high-grade, heat-treated steel**, this bearing is engineered to maintain its structural integrity even under extreme loads, preventing premature wear, excessive friction, or catastrophic failure common issues that can cripple performance and compromise engine longevity. The **72mm outer diameter** and **67mm inner diameter** dimensions ensure an exact fit within the TRX450R s crankcase, allowing for minimal clearance and maximum stability during operation. Whether you re tackling rugged trails, competing in motocross events, or pushing the limits of your bike in the dirt, this bearing delivers the robustness and precision needed to keep your engine running at peak efficiency. Replacing a worn or damaged crank bearing with this OEM-quality part restores factory-level performance, reduces vibration, and extends the lifespan of your engine s critical moving components. Ideal for both maintenance and upgrade applications, the **Honda 91008-HP1-672** is a must-have for riders who demand nothing less than flawless mechanical reliability in their TRX450R.

### **Pros and Cons of buying a Honda 91008-HP1-672 Crank Bearing for a 2004-2005 TRX450R**

1. **OEM Quality** Honda s aftermarket parts are known for durability and reliability, often matching or exceeding stock components in performance.

2. **Direct Fitment** This specific bearing is designed for the 2004-2005 TRX450R, ensuring compatibility without modification.

3. **Reduced Wear & Noise** A worn crank bearing can cause excessive noise, vibration, and premature engine wear. Replacing it restores smooth operation.

4. **Prevents Costly Damage** Ignoring a failing crank bearing can lead to catastrophic engine failure, which is far more expensive to repair than a simple bearing replacement.

5. **Easy Installation** The bearing is a straightforward replacement, requiring basic tools and mechanical skill.

6. **Long-Term Reliability** Honda s bearings are built to last, reducing the need for frequent replacements.

7. **Supports Engine Longevity** A healthy crank bearing helps maintain compression and power output, extending the engine s lifespan.

1. **Cost** While not excessively expensive, it is a specialized part that may be pricier than generic aftermarket alternatives.

2. **Labor Dependency** If you lack mechanical experience, professional installation may be required, adding to the total cost.

3. **Potential for Counterfeit Parts** Some aftermarket parts, even from reputable sellers, may be fakes. Ensuring authenticity is crucial.

4. **Limited Availability** Since this is an older model, finding the exact part may require checking specialty motorcycle parts stores or online marketplaces.

5. **Additional Maintenance Considerations** If the engine has other worn components (e.g., seals, pistons, or rods), replacing just the bearing may not fully resolve performance issues.

The **Honda 91008-HP1-672 crank bearing** is a solid, reliable choice for restoring smooth operation to a 2004-2005 TRX450R. Its OEM quality, direct fitment, and role in preventing engine damage make it a worthwhile investment. However, the cost and potential need for professional installation should be factored into your decision.

- **If your engine is making unusual noises (grinding, rattling) or exhibiting poor performance**, replacing the crank bearing is a smart preventive measure.

- **If you re comfortable with basic engine work**, purchasing and installing it yourself will save on labor costs.

- **If you re unsure about the engine s overall condition**, consider having a mechanic inspect other components (e.g., pistons, seals) to avoid future issues.

- **Buy from a trusted source** (Honda dealer, reputable online retailer, or a well-reviewed parts store) to ensure authenticity.

**Final Verdict:** This is a **highly recommended replacement part** for maintaining or restoring engine health in your TRX450R. The benefits far outweigh the minor drawbacks, especially if the engine is showing signs of crank bearing wear.

Details:

See pictures for details. Condition: New old stock. For Sale is a Honda Crankshaft Bearing, model # 91008-HP1-672, Fitment: TRX450R 2004 -2005, Included in sale: Please examine pictures carefully to determine what parts are included.

part #: 91008hp1672 prices

• $420.00-$442.66

specifications bearingmotorcycleiz:

• for models: Trx450r
• for makes: Honda
• for years: 2004-2005
• mpn: 91008-hp1-672
• part type: Bearing Crank
• location: Indy Honda Oem

general bearingmotorcycleiz:

• condition: New other see details
• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Engine Bearings

offer bearingmotorcycleiz:

• availability: In Stock
• started: April 21, 2026
• sold: 0
• quantity: 1
• options: Ship-to-home

shipping bearingmotorcycleiz:

• class: Standard
• service: USPS Ground Advantage
• transit: 3-8 Days
• type: Fixed
• cost: $0.00
• carrier: USPS

payments bearingmotorcycleiz:

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

returns bearingmotorcycleiz:

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

seller bearingmotorcycleiz:

• rating: 99.8%
• city: Landenberg, Pennsylvania
• # reviews: 2616

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