1. Pistons, Rings, Rods & Parts Engines Components For Sale
  2. sku: 12445200725222722
  3. BFO H1K3UD

BFO H1K3UD Benz Engine Connecting Rod M272.947 3.0L

fits model: C280, E320, C350, Glk350. make: Mercedes.

M272.947 Bfo H1k3ud Engine Connecting Rod Fit For Mercedes-benz C280 E320 C350 Glk350 3.0l

( Brand: Bfo ), ( Manufacturer Part Number: H1K3UD ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Finish: Polished ), ( Fitment: For Mercedes-benz C280/c300/c350/e230/e280/e300/e350, For Mercedes-benz Clk280/clk350/clk350/cls300/cls350, For Mercedes-benz Glk300/glk350/ml300/ml350/ml300, For Mercedes-benz Ml300/ml350/ml450/r280/r300/r350, For Mercedes-benz S280/s300/s350/s400/sl300/sl350, For Mercedes-benz Slk280/slk300/slk350 2004-2015 ), ( Manufacturer Warranty: 2 Years ), ( Material: Steel ), ( Oe/oem Part Number: A2730300620, A2730300820, 2730300620, 2730300820 ), ( Performance Part: Yes ), ( Type: Connecting Rod ), ( Vintage Part: No )

Review BFO Engine Connecting Rod Fit Mercedes benz 3.0l fits C280 E320 C350 GLK350

The **BFO H1K3UD Engine Connecting Rod** is a high-performance, precision-engineered replacement part designed specifically for Mercedes-Benz s legendary **M272.947** inline-six engine, found in the **C280, C320, C350, and GLK350 (3.0L)** models. Crafted from **forged 42CrMo4 steel**, this connecting rod is built to exacting standards, ensuring superior strength, durability, and reliability under the demanding conditions of high-performance driving. The **H1K3UD** rod features a **fully machined, heat-treated design** with optimized wall thickness and balanced weight distribution, reducing reciprocating mass while maintaining exceptional rigidity. This precision engineering minimizes vibration and stress on the crankshaft and piston assembly, contributing to smoother operation and extended engine longevity. The rod is **fully compatible** with the M272.947 s **big-end bearing cap** and **piston pin** interfaces, ensuring a seamless fit without the need for modification. Whether used for routine maintenance, performance upgrades, or engine rebuilds, this connecting rod delivers **OEM-level quality** with enhanced robustness, making it an ideal choice for enthusiasts and mechanics seeking dependable performance in their 3.0L Mercedes-Benz applications.

### Pros and Cons of Buying a BFO H1K3UD Engine Connecting Rod for Mercedes-Benz M272.947 (C280, E320, C350, GLK350, 3.0L)

#### **Pros:**

1. **OEM Quality and Fitment** BFO (BorgWarner/Federal Mogul) is a well-known manufacturer of high-quality aftermarket engine components, including connecting rods. Their H1K3UD rods are designed to match the original equipment specifications for the M272.947 engine, ensuring proper fitment and compatibility with the crankshaft, bearings, and other internal components.

2. **Strength and Durability** The rods are forged from high-grade steel, which provides superior strength and resistance to fatigue compared to cast rods. This can help prevent catastrophic engine failure, especially in high-performance or modified applications where stress on the rod bearings is increased.

3. **Compatibility with Upgrades** If you plan to modify your engine (e.g., forced induction, increased power output, or high-performance camshafts), aftermarket rods like these can be a safer alternative to stock rods, which may not handle additional stress well.

4. **Warranty and Support** Reputable suppliers of BFO rods often provide warranties (typically 12 24 months) and customer support, giving you peace of mind in case of manufacturing defects or installation issues.

5. **Cost-Effective Alternative to OEM** While not as cheap as some budget aftermarket options, BFO rods are generally more affordable than purchasing a complete rebuilt engine from Mercedes-Benz, making them a practical choice for repairs or upgrades.

6. **Improved Reliability** In cases where the original rods have been damaged (e.g., from bent rods due to a seized piston or crankshaft failure), replacing them with new BFO rods can restore the engine s reliability and extend its lifespan.

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#### **Cons:**

1. **Higher Upfront Cost** Aftermarket rods, especially from a reputable brand like BFO, are more expensive than some lower-quality alternatives. The cost may be a significant investment if you re on a tight budget.

2. **Installation Complexity** Replacing connecting rods requires advanced mechanical skills, specialized tools (e.g., rod bearing pullers, torque wrenches, and alignment tools), and often the removal of the engine from the vehicle. If you re not experienced with engine work, you may need to pay a professional mechanic, adding to the cost.

3. **Potential for Misalignment** Improper installation (e.g., incorrect torque on bolts, misaligned rod bearings, or incorrect rod length) can lead to engine issues such as knocking, reduced performance, or even further damage. This risk underscores the importance of following manufacturer guidelines and using proper tools.

4. **Limited Availability of Parts** While BFO rods are widely available, finding a supplier with genuine, high-quality rods (and not counterfeit or low-grade knockoffs) can be challenging, especially in some regions. Always verify the seller s reputation before purchasing.

5. **Not a Complete Solution** Replacing rods alone does not address other potential issues in the engine, such as worn crankshaft journals, damaged pistons, or failing bearings. A thorough engine inspection and rebuild may still be necessary for long-term reliability.

6. **Time-Consuming Process** Engine disassembly, rod replacement, and reassembly can take several hours (or even days) of labor, especially if you re doing it yourself. This downtime may be inconvenient if you rely on your vehicle daily.

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### **Conclusion:**

Buying BFO H1K3UD connecting rods for your Mercedes-Benz M272.947 engine is a **strong choice** if you prioritize quality, reliability, and long-term performance. These rods offer OEM-level strength and compatibility, making them ideal for both repairs and performance upgrades. However, the process involves significant labor, cost, and technical skill, so weigh these factors against your budget and experience level.

If your engine has suffered rod damage (e.g., from a seized piston or crankshaft failure), replacing the rods with BFO parts is a **smart investment** to restore the engine s integrity. However, if you re unsure about the condition of other engine components (e.g., crankshaft, bearings, or pistons), consider a full engine rebuild or inspection to avoid future issues.

For most owners, the **best recommendation** is to:

1. **Verify the exact cause of rod failure** (e.g., seized piston, oil starvation, or excessive stress).

2. **Purchase genuine BFO H1K3UD rods** from a trusted supplier (e.g., RockAuto, Summit Racing, or a Mercedes-Benz specialist).

3. **Have the work done by a qualified mechanic** if you lack experience with engine disassembly.

4. **Consider a full engine rebuild** if other components are worn or damaged, as this ensures the engine s long-term health.

Ultimately, BFO rods are a **premium aftermarket solution** that justifies their cost for those seeking durability and performance, but they require careful planning and execution.

Details:

HASSLE-FREE INSTALLATION: designed as a direct drop-in replacement, allowing for straightforward installation without modifications. Material: Metal. Installation should be done by a qualified technician.

1 Engine Connecting Rod. Package included. Showing as the picture. Opening Hours: 7x24.

OE/Part number. Color: Silver. Check OE numbers to ensure proper fitment. PERFORMANCE RELIABILITY: Restores optimal engine performance and efficiency, ensuring smooth power delivery reducing vibration.

Built to handle the demands of your luxury vehicles performance needs. Save time and money with this perfectly matched component. For Car model is for reference only; actual compatibility may vary.

specifications pistonrinro:

  • for models: C280, E320, C350, Glk350
  • for makes: Mercedes
  • brand: Bfo
  • mpn: H1k3ud
  • california prop 65 warning: California Prop 65 Warning
  • finish: Polished
  • fitment: For Mercedes-benz C280/c300/c350/e230/e280/e300/e350, For Mercedes-benz Clk280/clk350/clk350/cls300/cls350, For Mercedes-benz Glk300/glk350/ml300/ml350/ml300, For Mercedes-benz Ml300/ml350/ml450/r280/r300/r350, For Mercedes-benz S280/s300/s350/s400/sl300/sl350, For Mercedes-benz Slk280/slk300/slk350 2004-2015
  • manufacturer warranty: 2 Years
  • material: Steel
  • oe/oem part number: A2730300620, A2730300820, 2730300620, 2730300820
  • performance part: Yes
  • type: Connecting Rod
  • vintage part: No

shipping pistonrinro:

  • cost: $0.00
  • class: Standard
  • transit: 3-7 Days
  • carrier: FedEx
  • service: FedEx Ground / FedEx Home Delivery
  • type: Fixed

returns pistonrinro:

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

seller pistonrinro:

  • # reviews: 21876
  • city: Elk Grove Village, Illinois
  • rating: 99.1%

payments pistonrinro:

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

offer pistonrinro:

  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • quantity: 1
  • started: February 18, 2026

general pistonrinro:

  • Car Truck Parts Accessories > Engines Engine Parts > Connecting Rods Parts
  • condition: New
for models: c280, e320, c350, glk350, for makes: mercedes, california prop 65 warning: california prop 65 warning, finish: polished, fitment: for mercedes-benz c280/c300/c350/e230/e280/e300/e350, for mercedes-benz clk280/clk350/clk350/cls300/cls350, for mercedes-benz glk300/glk350/ml300/ml350/ml300, for mercedes-benz ml300/ml350/ml450/r280/r300/r350, for mercedes-benz s280/s300/s350/s400/sl300/sl350, for mercedes-benz slk280/slk300/slk350 2004-2015, manufacturer warranty: 2 years, oe/oem part number: a2730300620, a2730300820, 2730300620, 2730300820, performance part: yes, type: connecting rod, vintage part: no,
category: auto parts > car truck parts accessories > engines engine parts > connecting rods parts, material: steel, sku: 12445200725222722,
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