1. Pistons, Rings, Rods & Parts Engines Components For Sale
  2. sku: 12434600858096721
  3. MITSUBISHI MD148174

MITSUBISHI MD148174 Engine Connecting Rod Bolt

fits model: Mirage. make: Mitsubishi. year: 2000–2002.

Md148174 Mitsubishi Genuine Engine Connecting Rod Bolt

( Manufacturer Part Number: MD148174 ), ( Part Type: Engine Rod Bolt ), ( Genuine Oem: Yes ), ( Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Year: 2000 2001 2002 )

Review MITSUBISHI Genuine Engine Connecting Rod Bolt fits MIRAGE 2000–2002

The **Mitsubishi MD148174 Engine Connecting Rod Bolt** is a precision-engineered fastener specifically designed for high-performance and reliability in Mitsubishi s MD-series diesel engines, including models such as the 4D56, 4D69, and 4D6AT. Crafted from high-strength **alloy steel** (typically meeting or exceeding **Grade 12.9** specifications), these bolts are heat-treated to achieve an optimal balance of tensile strength, fatigue resistance, and durability, ensuring they can withstand the extreme forces generated during engine operation. Each bolt features a **fine-threaded design** with a **fine-pitch thread** to minimize stress concentration points, reducing the risk of premature wear or failure under high compression and torque loads. The **hex head** is precision-machined for a secure grip, often with a **flat or slightly chamfered face** to prevent marring the engine block or cap during installation, while the **countersunk shoulder** ensures proper seating against the rod cap, distributing load evenly across the bolt s shank. These bolts are **coated with a protective anti-seize compound** (such as **Molykote or equivalent**) to prevent galling and corrosion, particularly in high-temperature environments where metal-to-metal friction could lead to seizing or stripped threads. The **critical length** of the bolt is meticulously calibrated to maintain proper preload tension, which is essential for maintaining rod cap alignment and preventing catastrophic failure under dynamic engine loads. Whether used in original equipment applications or high-performance engine builds, the MD148174 connecting rod bolt exemplifies Mitsubishi s commitment to engineering robustness and longevity, making it a critical component for maintaining the structural integrity of the engine s power delivery system. Always ensure proper torque specifications (typically **100 120 Nm or 74 89 ft-lbs**, depending on the engine variant) are followed during installation to avoid overtightening or under-tightening, which could compromise performance or safety.

**Pros and Cons of Buying a Mitsubishi MD148174 Engine Connecting Rod Bolt (OEM vs. Aftermarket)**

### **Pros of Purchasing an OEM (Original Equipment Manufacturer) Bolt**

1. **Guaranteed Fit and Compatibility** OEM bolts are designed specifically for the Mitsubishi MD148174 engine, ensuring a perfect fit without clearance issues or misalignment.

2. **High-Quality Materials** Mitsubishi uses high-grade steel and precise manufacturing processes, reducing the risk of premature failure due to weak materials or poor machining.

3. **Warranty Coverage** OEM parts often come with a manufacturer s warranty, providing peace of mind against defects or early wear.

4. **Reliability** Since these bolts are used in production engines, they have been tested under real-world conditions, minimizing unexpected failures.

5. **Easier Installation** No need for additional machining or modifications, as they are designed to work seamlessly with the engine s existing hardware.

### **Cons of Purchasing an OEM Bolt**

1. **Higher Cost** OEM parts are typically more expensive than aftermarket alternatives due to branding, distribution, and warranty costs.

2. **Limited Availability** Depending on the region, OEM bolts may be harder to source, especially for older or discontinued engine models.

3. **Longer Lead Times** Ordering directly from Mitsubishi or authorized dealers may result in slower delivery compared to aftermarket suppliers.

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### **Pros of Purchasing an Aftermarket Bolt**

1. **Lower Cost** Aftermarket bolts are usually significantly cheaper, making them a budget-friendly option for repairs or replacements.

2. **Wider Availability** Many aftermarket suppliers stock these parts, often with faster shipping times than OEM sources.

3. **Customization Options** Some aftermarket brands offer specialized bolts (e.g., high-strength, ARP, or TorqueFlite bolts) that may improve performance or durability beyond stock specifications.

4. **Compatibility with Modifications** If you ve modified your engine (e.g., forced induction, high RPM tuning), aftermarket bolts may be necessary to handle increased stress.

5. **Performance-Upgraded Alternatives** Brands like ARP, TorqueFlite, or ISC offer bolts with higher torque ratings, reducing the risk of bolt stretch or failure under extreme loads.

### **Cons of Purchasing an Aftermarket Bolt**

1. **Risk of Incompatibility** Poor-quality aftermarket bolts may not fit correctly, leading to misalignment, improper torque, or even engine damage.

2. **Variable Quality** Not all aftermarket suppliers are equal; some may use substandard materials or inconsistent manufacturing, leading to premature failure.

3. **No Warranty or Limited Support** Many aftermarket parts lack manufacturer warranties, leaving you responsible for any issues that arise.

4. **Potential for Over-Torquing** Some aftermarket bolts may require different torque specifications than OEM bolts, and improper tightening can cause damage.

5. **Brand Reputation Matters** Cheap, no-name bolts are riskier than those from reputable brands (e.g., ARP, TorqueFlite, or ISC), which invest in rigorous testing.

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### **Key Considerations Before Purchase**

- **Engine Condition & Use** If your engine is stock and used for normal driving, OEM bolts are the safest choice. If you modify the engine (turbocharging, high RPM, etc.), aftermarket high-strength bolts are recommended.

- **Budget** OEM bolts cost more upfront but may save money long-term by avoiding failures. Aftermarket bolts can be cost-effective if sourced from a trusted brand.

- **Installation Expertise** Ensure the installer (or you) follows proper torque specifications (typically **100 110 ft-lbs** for these bolts, but always verify the manual).

- **Supplier Reputation** For aftermarket bolts, prioritize brands with strong reviews, certifications (e.g., ISO, SAE), and clear torque guidelines.

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### **Final Recommendation**

- **For Stock or Light-Duty Use:** **Purchase OEM bolts** if available. They offer the best balance of reliability, warranty, and compatibility. If OEM bolts are unavailable or expensive, opt for **high-quality aftermarket bolts from a reputable brand** (e.g., ARP, TorqueFlite, or ISC) that match or exceed OEM specifications.

- **For Modified or High-Performance Engines:** **Aftermarket high-strength bolts** are strongly recommended to handle increased stress. Avoid generic aftermarket bolts unless they are from a well-known manufacturer with proven track records.

- **Avoid Cheap, No-Brand Bolts** These pose a high risk of failure and should not be used in critical applications like connecting rods.

**Best Practice:**

- Always **check the engine s service manual** for the correct torque specification.

- **Inspect bolts for cracks or wear** before installation.

- **Use a torque wrench** and follow the manufacturer s guidelines precisely.

- If unsure, consult a **trusted mechanic** familiar with Mitsubishi engines.

**Conclusion:** The best choice depends on your engine s condition, budget, and intended use. For most standard applications, OEM bolts are the safest; for performance builds, premium aftermarket bolts are worth the investment. Never compromise on quality when it comes to critical components like connecting rod bolts.

Details:

Electrical parts are not returnable. Genuine Mitsubishi Engine Connecting Rod Bolt MD148174: Parts: 8 x 49.5mm. Parts must be resalable and in the original packaging. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer.

part #: md148174 prices

  • $5.00-$7.05

specifications pistonrinro:

  • for models: Mirage
  • for makes: Mitsubishi
  • for years: 2000-2002
  • mpn: Md148174
  • part type: Engine Rod Bolt
  • genuine oem: Yes
  • warranty: 1 Year
  • fitment type: Direct Replacement
  • year: 2000 2001 2002

returns pistonrinro:

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

shipping pistonrinro:

  • transit: 3-8 Days
  • cost: $0.00
  • type: Fixed
  • class: Standard
  • service: Standard

offer pistonrinro:

  • started: February 17, 2026
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • quantity: 4

payments pistonrinro:

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  • wallet: Paypal

seller pistonrinro:

  • city: Bay City, Michigan
  • # reviews: 741
  • rating: 99.5%

general pistonrinro:

  • Car Truck Parts Accessories > Engines Engine Parts > Connecting Rods Parts
  • condition: New
for models: mirage, for makes: mitsubishi, for years: 2000-2002, part type: engine rod bolt, genuine oem: yes, warranty: 1 year, fitment type: direct replacement, year: 2000 2001 2002,
manufacturer: mitsubishi, category: auto parts > car truck parts accessories > engines engine parts > connecting rods parts, sku: 12434600858096721,
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