1. Automatic Transmissions Products
  2. sku: 23123724878037983
  3. DRIVETRAIN DIRECT 300-9301B

DRIVETRAIN DIRECT 300-9301B Engine Block 4.6L

fits make: Ford. year: 2009–2012.

300-9301b Drivetrain Direct Ford 4.6l 09-12 Engine Long Block

( Brand: Drivetrain Direct ), ( Part Type: Engine Block ), ( Universal Fitment: No ), ( Ipn: 300-9301b ), ( California Prop 65 Warning: This Product Contains A Chemical Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. )

Review DRIVETRAIN DIRECT Ford 4.6l Engine Long Block fits 2009–2012

The **Ford 4.6L Modular V8 drivetrain assembly (Part Number: 300-9301B)**, produced for the 2009 2012 model year vehicles, represents a robust and high-performance foundation for Ford s iconic modular engine lineup. This engine block is a precision-crafted aluminum alloy casting, designed to deliver exceptional durability, thermal efficiency, and power output while maintaining reliability across a wide range of applications, including the Mustang GT, F-150 SuperCrew, Expedition, and Navigator models. The block features a **90-degree V8 architecture** with a **4.6-liter displacement**, incorporating **four valves per cylinder** and **individual throttle bodies (ITBs)** for optimized airflow and throttle response. The cylinder bores are precision-machined to **3.45 inches**, while the stroke measures **3.54 inches**, resulting in a balanced power-to-weight ratio that enhances both performance and fuel economy. This engine is built to meet **SMOG2 (Superior Manufacturing Output for Gasoline Engines 2)** emissions standards, ensuring compliance with modern environmental regulations while retaining the classic modular design elements that have made Ford s V8s legendary.

The **300-9301B drivetrain assembly** includes a **cast-iron cylinder head** with **integrated intake and exhaust ports**, paired with **hydraulic valve lifters** for smooth operation and reduced maintenance requirements. The **camshafts** feature **variable valve timing (VVT)** on the intake side, allowing for dynamic adjustments to valve lift and duration based on engine speed and load, which improves efficiency and torque delivery. The **oil pump** is a high-flow design, ensuring adequate lubrication under high-stress conditions, while the **crankshaft** is forged from high-strength steel for durability and resistance to torsional vibration. The **connecting rods** are also forged, providing structural integrity and longevity, particularly in high-performance applications. This engine is compatible with **EFI (Electronic Fuel Injection)** and **Coil-on-Plug (COP) ignition**, offering precise fuel delivery and ignition timing for optimal combustion.

For applications requiring enhanced performance, the **300-9301B** can be paired with **high-flow intake manifolds, performance camshafts, and upgraded exhaust systems**, allowing it to produce **over 400 horsepower** when properly tuned. The drivetrain assembly is designed to integrate seamlessly with **Ford s 6R80/6R100 automatic transmissions** and **6.0L/6.2L/6.4L automatic transmissions**, ensuring smooth power delivery and reliability. Whether used in a **high-performance street machine, a rugged off-road truck, or a luxury SUV**, this engine block provides a **proven, high-revving platform** that balances power, efficiency, and longevity. Ideal for both **restoration projects and modern builds**, the **300-9301B** remains a cornerstone of Ford s modular V8 legacy, offering a blend of heritage and cutting-edge engineering for enthusiasts and professionals alike.

### **Pros and Cons of Buying a Ford 4.6L (Drivetrain 300-9301B) Engine Block (2009 2012 Models)**

#### **Pros**

1. **Proven Reliability** The 4.6L Modular V8 (also known as the "Modular" or "4V") has a strong reputation for durability, especially when properly maintained. Many units built between 2009 and 2012 have lasted well over 200,000 miles with basic care.

2. **Common and Affordable Parts** Due to its widespread use in Ford trucks, SUVs, and luxury vehicles (e.g., Taurus, Expedition, F-150), replacement parts (valvetrain, pistons, rods, gaskets) are widely available and relatively inexpensive compared to newer high-performance engines.

3. **Modular Design Advantages** The engine s modular architecture (shared components with other Ford V8s) means that aftermarket support is extensive. Tuning, upgrades (e.g., cylinder heads, intake manifolds), and performance parts are readily accessible.

4. **Good for High-Torque Applications** The 4.6L is a torque monster (300 320 lb-ft naturally aspirated), making it well-suited for towing, hauling, and heavy-duty applications. With minor modifications (e.g., headers, fuel system upgrades), it can handle forced induction (turbo/supercharger) without excessive stress.

5. **Long-Term Mod Potential** Unlike some modern engines with complex electronics, the 4.6L can be easily modified for increased power. Swapping in a set of **LS or big-block Chevy heads**, upgrading the **fuel system**, or installing a **turbocharger** (e.g., Garrett GTX) is a common and cost-effective performance route.

6. **Used Market Availability** Since these engines were produced in large quantities, finding a used block in good condition is relatively easy. Many are pulled from vehicles that died from non-engine-related failures (e.g., transmission, electrical, or frame issues).

7. **Lower Cost Than New** Purchasing a used block (especially from a rebuild shop or salvage yard) is significantly cheaper than buying a new engine, making it an attractive option for restomod builds or engine swaps.

8. **Compatibility with Other Ford Engines** The 4.6L shares many components with the **5.4L Triton** and **6.8L Power Stroke**, allowing for cross-parts compatibility in some cases.

---

#### **Cons**

1. **Oil Consumption Issues** Many 4.6L engines (especially pre-2009) suffer from **oil consumption**, where they burn oil at an alarming rate (sometimes 1 quart per 1,000 miles). This is often due to **worn valve seals, piston rings, or PCV system failures**. Later models (2009 ) improved slightly, but it remains a common complaint.

2. **Head Gasket Failures** While not as notorious as the 5.4L Triton, the 4.6L can still experience **head gasket leaks**, especially under high heat or with improper cooling. This can lead to **coolant mixing with oil** or **blown gaskets**, requiring a full head replacement.

3. **Rod Bearings and Main Bearings** Some blocks, particularly those with high mileage, may have **worn rod or main bearings**, leading to **knocking or catastrophic failure**. Always inspect the block for **scoring, pitting, or excessive wear** before purchasing.

4. **Timing Chain and Tensioner Problems** The **timing chain** and **tensioner** can wear out, leading to **chain stretch or failure**. This is often accompanied by **ticking noises** and can cause **valve train damage** if ignored. Replacing the chain and tensioner is a **common and necessary maintenance item**.

5. **Electronic Issues** The **ECU and sensors** (MAF, crankshaft position, camshaft position) can fail, leading to **rough idling, stalling, or check engine lights**. These are relatively easy to replace but add to maintenance costs.

6. **Fuel System Limitations** The stock **fuel injectors** and **fuel pump** are not designed for high-power applications. Running the engine at **high RPM or with forced induction** requires **upgraded injectors, a high-flow fuel pump, and a tuned fuel system**.

7. **Transmission Compatibility** While the 4.6L is strong, some **older transmissions** (e.g., 4R75E, 5R110) may struggle with the torque if not properly tuned or upgraded. A **performance transmission** (e.g., **Tremec TR6060, BorgWarner Tremec**) may be needed for high-power builds.

8. **Emissions Compliance** Later models (2010 2012) have **more stringent emissions controls**, which can complicate modifications. **EGR deletions, catalytic converter swaps, or tuners** may be needed for off-road or high-power applications, potentially voiding warranties or requiring **smog compliance**.

9. **Coolant Leaks** The **thermostat housing, water pump, and radiator hoses** can develop leaks over time, requiring frequent attention. The **coolant system** is not as robust as some modern designs.

10. **Resale Value** While the 4.6L is reliable, it is **not a high-performance engine** in its stock form, so resale value for a modified or rebuilt unit may not be high.

---

### **Key Considerations Before Purchase**

1. **Inspect the Block Thoroughly**

- Look for **cracks, warping, or corrosion** (especially in the cylinder heads).

- Check for **scoring or pitting** in the **cylinder bores, rod journals, or main caps**.

- Ensure the **deck surface** is flat (warped decks require resurfacing).

- Verify the **oil passages** are clear (clogged passages can cause lubrication issues).

2. **Check for Oil Consumption**

- If the engine has a history of **burning oil**, it may require **new piston rings, valve seals, or a full rebuild**.

- Ask for **maintenance records** if oil changes were neglected, the engine may be in worse shape.

3. **Test the Engine (If Possible)**

- A **compression test** and **leak-down test** can reveal **worn pistons, valves, or head gaskets**.

- Listen for **knocking, ticking, or unusual noises** (indicating rod or bearing wear).

- Check for **blue smoke** (oil burning) or **white smoke** (coolant leak).

4. **Budget for Common Upgrades**

- **Timing chain & tensioner** ( $200 $400)

- **Head gaskets & bolts** ( $150 $300)

- **Valve seals & oil pump** ( $100 $200)

- **Fuel system upgrades** (injectors, pump, fuel rail) ( $300 $800)

- **Cooling system refresh** (thermostat, hoses, water pump) ( $150 $300)

5. **Consider a Rebuild vs. Fresh Block**

- If the block is **sound but worn internally**, a **rebuild** (new crank, rods, pistons, bearings) may be cheaper than buying a new block.

- If the block has **major cracks or warping**, it may need **machining or replacement**.

---

### **Final Recommendation**

**Buy the 4.6L Drivetrain 300-9301B Block if:**

You are building a **budget-friendly, high-torque powerplant** for a **truck, SUV, or classic car**.

You plan to **modify it for performance** (turbo, heads, fuel upgrades) and don t mind basic maintenance.

You can **inspect the block thoroughly** and are prepared for **common wear items** (timing chain, head gaskets, oil consumption).

You want an **engine with strong aftermarket support** and **mod potential**.

**Avoid the 4.6L if:**

You need a **high-revving, fuel-efficient, or emissions-compliant** engine for daily driving.

You **cannot afford or do not want to perform regular maintenance** (oil changes, timing chain checks, cooling system upkeep).

You are looking for a **plug-and-play, low-maintenance** engine (modern turbocharged or direct-injection engines may be better).

The block has **visible cracks, warping, or severe internal wear** without a rebuild.

#### **Best Use Cases:**

- **Towing/hauling trucks** (F-150, Expedition, Excursion)

- **Restomod builds** (Taurus, Mustang, Mustang Boss 302 swap)

- **Budget performance builds** (turbocharged, supercharged, or naturally aspirated)

- **Off-road applications

Details:

Our Re manufacturing Process: comprehensive re manufacturing process begins with a complete tear down and meticulous visual inspection of the core. Its that easy. 100% New Core Components: Built for maximum longevity with all new pistons, rings, bearings, valves, seals, and lifters. View specific Warranty Coverage in below.

Dynamic SIM-Tested: Before shipping, each engine is cold-motored to check cylinder compression, oil pressure, and flow for reliable performance from the moment of installation. Key components like the block, heads, and crankshaft undergo precision CNC machining to restore them exact OEM specifications. Blocks and cast iron heads are to detect any cracks. Coverage up to $200 for Towing and/or Rental Car.

Precision CNC Machining: Blocks and crankshafts are machined to meet or exceed OEM specifications, ensuring consistent performance a perfect fit. Every internal wear component including all pistons, rings, bearings, valves, and seals is replaced with 100% new parts. Labor is covered at $50/hr, $70/hr or $90/hr depending on the products warranty coverage. Have a question about fitment or condition.

No used or reconditioned wear parts are ever. With Drivetrain, you get no hassle and hidden fees just a simple, convenient process handled by our expert team. Rates are based on the delivery address provided at time or order. Guaranteed Fitment Program:: Buy with total confidence.

Thoroughly Leak Tested: Every engine is subjected to multiple pressure decay tests on all coolant and oil passageways verify seal integrity prevent leaks. Drivetrain Direct has Your Back. That's the Drivetrain Direct way.

specifications autotransmissionsgo:

  • for makes: Ford
  • for years: 2009-2012
  • brand: Drivetrain Direct
  • part type: Engine Block
  • universal fitment: No
  • ipn: 300-9301b
  • california prop 65 warning: This Product Contains A Chemical Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm.

payments autotransmissionsgo:

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

shipping autotransmissionsgo:

  • service: Flat Rate Freight
  • cost: $949.00
  • class: Freight
  • type: Fixed

general autotransmissionsgo:

  • Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission
  • condition: Remanufactured

offer autotransmissionsgo:

  • options: Ship-to-home
  • quantity: 2
  • started: March 11, 2026
  • availability: In Stock
  • sold: 0

seller autotransmissionsgo:

  • rating: 100.0%
  • city: Hinton, Virginia
  • # reviews: 15

returns autotransmissionsgo:

  • paid by: Buyer
  • time: 14 Days
  • policy: Returns Accepted
for makes: ford, for years: 2009-2012, part type: engine block, universal fitment: no, california prop 65 warning: this product contains a chemical known to the state of california to cause cancer and birth defects or other reproductive harm.,
category: auto parts > car truck parts accessories > transmission drivetrain > automatic transmission, sku: 23123724878037983,
Drivetrain Direct Is Similar To:
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1 offer $3839.20 USD
  • Remanufactured. Offer #1 priced at $3839.20 + $949.00 shipping estimate = $4788.20* total. Every internal wear component including all pistons, rings, bearings, valves, and seals is replaced with 100% new parts. Product Ford 4.6L 09-12 Engine Long Block.+$949.00 shipping

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