HONDA 90168-S5A-000 Engine Cradle Bolt

( Manufacturer Part Number: 90168-S5A-000 ), ( Part Type: Engine Bolt ), ( Year: 2007 2008 2009 2010 2011 ), ( Parts Included: Only Part Reference 3 On The Diagram Is Included ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Genuine Oem: Yes )

Review HONDA Genuine Engine Cradle Bolt fits 2007–2011

The **Honda 90168-S5A-000 Engine Cradle Bolt** is a precision-engineered fastener specifically designed for critical applications within Honda s high-performance and reliability-focused engine cradles, particularly those found in models such as the S5A series engines (commonly used in vehicles like the Honda Civic Type R, Integra Type R, and other high-output applications). This bolt is crafted from **high-strength, heat-treated alloy steel**, ensuring exceptional durability and resistance to fatigue, vibration, and extreme operating temperatures critical factors in engines where consistent performance and structural integrity are paramount. The bolt features a **fine-threaded, metric M12 x 1.5 pitch** design, optimized for secure and uniform clamping force across the engine cradle assembly, preventing loosening under dynamic stress conditions. Its **hex head** is machined to Honda s exacting specifications, providing a smooth, corrosion-resistant surface that resists galling and ensures easy, tool-assisted installation without stripping. The bolt is also treated with a **black oxide or zinc plating** finish, which enhances its resistance to rust and environmental degradation, extending its service life even in demanding conditions where exposure to moisture, road salt, or off-road debris is common. Engineered to meet Honda s stringent **OEM tolerances**, this bolt is a direct replacement part, guaranteeing compatibility with stock and aftermarket engine cradles while maintaining the original vehicle s performance and safety standards. Whether used in high-mileage restorations, performance tuning projects, or routine maintenance, the 90168-S5A-000 bolt exemplifies Honda s commitment to precision engineering, ensuring that every critical connection in the engine bay remains secure and reliable under the most demanding loads.

**Pros and Cons of buying a Honda 90168-S5A-000 Engine Cradle Bolt**

The **Honda 90168-S5A-000 engine cradle bolt** is a critical component for the **S5A engine** (common in Honda CR-V, HR-V, and other models). Below is a detailed analysis of its advantages and disadvantages, followed by a conclusion and recommendation.

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### **Pros of purchasing a Bolt**

1. **Direct Fitment and Compatibility**

- This bolt is specifically designed for the **Honda S5A engine**, ensuring an exact fit with the engine cradle assembly. Using an OEM or high-quality aftermarket part minimizes the risk of misalignment or improper installation.

2. **Reliability and Durability**

- Honda uses high-grade materials for its bolts, including **heat-treated steel** and **proper thread coatings** to prevent corrosion and ensure long-term strength. This reduces the likelihood of bolt failure, which can lead to engine damage if the cradle detaches.

3. **Ease of Installation**

- The bolt is a standard **M12 x 1.5** size (common in many Honda applications), making it straightforward to install with basic tools (socket wrench, torque wrench, and possibly a breaker bar if rusted). No specialized equipment is required.

4. **Prevents Costly Engine Damage**

- The engine cradle bolt secures the engine to the subframe. A failed bolt can cause the engine to shift, leading to **damaged mounts, drivetrain misalignment, or even engine separation** repairs for which can exceed **$1,000 **. Replacing a single bolt is a **fraction of the cost** of such extensive damage.

5. **Prevents Vibration and Noise Issues**

- A loose or missing cradle bolt can introduce **excessive engine vibration**, leading to rattling noises, worn mounts, or even **transmission damage** in severe cases. Replacing the bolt restores proper alignment and reduces unwanted noise.

6. **Aftermarket Options May Match or Exceed OEM Quality**

- Reputable aftermarket suppliers (such as **Fel-Pro, ACDelco, or local Honda specialty shops**) offer bolts that meet or exceed OEM specifications. These can sometimes be **cheaper** than the original Honda part while maintaining reliability.

7. **Prevents Future Mount Wear**

- The cradle bolt helps distribute engine weight evenly across the mounts. A failing bolt can cause **uneven stress**, accelerating wear on the engine mounts. Replacing it early can extend the life of these mounts, saving money on future replacements.

8. **Warranty Coverage (If Purchased New)**

- If buying from an **authorized Honda dealer or reputable online retailer**, the bolt may come with a **limited warranty** (e.g., 1 5 years), providing peace of mind against early failure.

9. **DIY-Friendly Repair**

- Unlike some engine-related repairs, replacing this bolt is a **beginner-friendly task** that can be done in a home garage with basic tools. This saves labor costs if doing it yourself.

10. **Prevents Check Engine Lights (Indirectly)**

- While the bolt itself doesn t trigger a CEL, **engine misalignment from a loose cradle can affect sensors** (e.g., MAF, crankshaft position), leading to **false codes**. Fixing the bolt may resolve related issues.

---

### **Cons of purchasing a Bolt**

1. **Potential for Counterfeit or Low-Quality Parts**

- **eBay, Amazon, or unregulated online marketplaces** may sell **fake or substandard bolts** that fail prematurely. Always purchase from **authorized dealers, Honda specialty shops, or trusted aftermarket suppliers** (e.g., **RockAuto, PartsGeek, or local auto parts stores**).

2. **Torque Specifications Must Be Followed Precisely**

- **Over-tightening** can strip the bolt threads or damage the cradle, while **under-tightening** leaves it loose. Honda specifies a torque value (typically ** 80 100 ft-lbs**), and exceeding this can cause issues. A **torque wrench is essential**.

3. **Rust or Seized Bolts Can Be Difficult to Remove**

- If the old bolt is **rusted or seized**, removal may require **penetrant (PB Blaster), a breaker bar, or even heat treatment** (in extreme cases). This adds time and effort to the repair.

4. **Limited Availability of OEM Parts**

- While the **90168-S5A-000 bolt is widely available**, some **older or less common Honda models** may have **long lead times** for OEM parts. Aftermarket options are usually faster but may vary in quality.

5. **Cost (Compared to Other Repairs)**

- The bolt itself is **relatively inexpensive** ($10 $30 for OEM, $5 $15 for aftermarket), but **labor costs** (if not DIY) can add up. However, this is **far cheaper** than the potential damage from a failed cradle.

6. **Misdiagnosis of the Problem**

- If the **symptoms (vibration, noise) are caused by something else** (e.g., worn mounts, loose exhaust hangers, or a failing transmission mount), replacing just the bolt may not fully resolve the issue. A **thorough inspection** is recommended.

7. **Risk of Cross-Threading During Installation**

- If the **thread hole is damaged or misaligned**, improper installation can **strip the threads**, requiring a **thread repair kit or replacement of the cradle**. This is rare but possible if the part is not installed carefully.

8. **Environmental Factors Can Affect Bolt Life**

- **Salt exposure (snowy climates), extreme heat, or moisture** can accelerate corrosion. While the bolt itself is durable, **preventative maintenance** (e.g., applying anti-seize compound) can extend its life.

9. **Not a Permanent Fix for Underlying Issues**

- If the **engine mounts are already worn or failing**, replacing just the bolt will **not prevent future problems**. A **comprehensive inspection of the cradle and mounts** is advisable.

10. **Potential for Overkill in Some Cases**

- If the bolt is **only slightly loose** (not fully seized or missing), some mechanics may argue that **replacing it is unnecessary** unless symptoms persist. However, **preventative replacement is often recommended** to avoid sudden failure.

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### **Conclusion**

Replacing the **Honda 90168-S5A-000 engine cradle bolt** is a **cost-effective, relatively simple repair** that prevents **serious engine damage, vibration issues, and transmission problems**. The **benefits far outweigh the risks**, especially when purchasing from a **reputable source** and following proper installation procedures.

The **main drawbacks** (counterfeit parts, torque risks, removal difficulties) can be **mitigated by buying from trusted suppliers, using a torque wrench, and applying penetrating oil if needed**. While the repair is **not overly complex**, it still requires **attention to detail** to avoid complications.

For most **DIYers or those experiencing symptoms** (excessive vibration, rattling, or engine movement), **replacing the bolt is a wise preventive measure**. If the issue persists after replacement, further inspection of the **engine mounts, subframe, or drivetrain** is warranted.

---

### **Recommendation**

1. **Purchase the Bolt from a Trusted Source**

- Buy from an **authorized Honda dealer, RockAuto, PartsGeek, or a local auto parts store** (e.g., AutoZone, NAPA, O Reilly) to avoid counterfeit parts.

- If buying aftermarket, choose **Fel-Pro, ACDelco, or similar high-quality brands**.

2. **Gather the Right Tools**

- **Socket set (12mm or 13mm, depending on adapter)**

- **Torque wrench (for 80 100 ft-lbs)**

- **Penetrating oil (PB Blaster) if the bolt is rusted**

- **Anti-seize compound (optional, for future maintenance)**

- **Jack and jack stands (for safe engine support during removal)**

3. **Follow Proper Installation Steps**

- **Remove the old bolt carefully** (use penetrating oil if stuck).

- **Clean the thread hole** of debris.

- **Apply anti-seize to the new bolt threads** (optional but recommended).

- **Install the new bolt and torque to spec** (check Honda s service manual for exact torque).

- **Reinstall the engine cradle and related components**.

4. **Inspect for Underlying Issues**

- While replacing the bolt, **check the condition of the engine mounts, subframe, and surrounding bolts** for wear or damage. Replace any **worn or cracked mounts** to prevent future problems.

5. **Consider Professional Help if Unsure**

- If the bolt is **extremely difficult to remove** or if you re uncomfortable working on the engine, **consult a mechanic** to avoid damaging the cradle or threads.

6. **Prevent Future Problems**

- **Apply anti-seize to all engine cradle bolts** during maintenance.

- **Check for bolt tightness periodically**, especially in **salt-exposed or

Details:

Details of a selected vehicle may vary from the shown, depending on features. Electrical parts are not returnable. Vehicles depicted are shown as a sample vehicle of the same model only. 12mm, 35mm long.

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part #: 90168s5a000 prices

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specifications engimou:

• for makes: Honda
• for years: 2007-2011
• mpn: 90168-s5a-000
• part type: Engine Bolt
• year: 2007 2008 2009 2010 2011
• parts included: Only Part Reference 3 On The Diagram Is Included
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• genuine oem: Yes

general engimou:

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

seller engimou:

• rating: 99.9%
• # reviews: 13501
• city: Irving, Texas

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• quantity: 1
• started: June 2, 2026

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