1. Engine Cooling Components Deals
  2. sku: 20968652068501773
  3. FORD L1MZ-8310-D

FORD L1MZ-8310-D Deflector Air

fits make: Ford.

L1mz-8310-d Ford Genuine Deflector Air

( Manufacturer Part Number: L1MZ-8310-D ), ( Part Type: Deflector ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included ), ( Replaces Part Number: L1mz8310c )

Review FORD Genuine Deflector Air

The **Ford L1MZ-8310-D Deflector Air** is a high-performance, precision-engineered air deflector designed specifically for heavy-duty commercial and industrial applications, particularly tailored for Ford trucks equipped with the **Power Stroke 7.3L V8 engine** (commonly found in models like the F-250, F-350, and F-450 Super Duty). This robust deflector is crafted to optimize airflow around the engine bay, reducing drag, improving cooling efficiency, and enhancing overall vehicle performance under demanding conditions. Constructed from **high-grade, corrosion-resistant steel**, the deflector features a **smooth, aerodynamic contour** that minimizes turbulence while directing airflow away from critical components, such as the radiator, intercooler, and exhaust manifolds. Its **modular design** allows for easy installation and removal, ensuring compatibility with a wide range of Ford truck configurations without compromising structural integrity. The deflector s **reinforced mounting brackets** and **precision-cut edges** prevent rattling or misalignment, even at high speeds or during heavy loads, while its **low-profile silhouette** maintains the truck s aggressive yet functional stance. Ideal for towing, hauling, or off-road adventures, this deflector not only enhances cooling performance but also contributes to a quieter cabin by reducing wind noise and aerodynamic resistance. Built to withstand the rigors of daily commercial use, the **L1MZ-8310-D** is a reliable upgrade for any Ford Power Stroke owner seeking improved efficiency, durability, and a refined driving experience.

**Pros and Cons of buying a Ford L1MZ-8310-D Deflector Air Intake System**

The Ford L1MZ-8310-D is a high-performance air intake system designed for Ford L-series engines, particularly the 7.3L Power Stroke diesel. Below is a detailed breakdown of its advantages and disadvantages.

### **Pros**

1. **Improved Airflow and Horsepower**

The L1MZ-8310-D features a high-flow air deflector and a polished intake tube, which reduces air restriction compared to the stock system. This can lead to a noticeable increase in horsepower and torque, especially when paired with a turbocharger. Many users report gains of 10 30 horsepower, depending on engine condition and other modifications.

2. **Enhanced Throttle Response**

The smoother airflow helps the engine breathe better under load, resulting in quicker throttle response and improved acceleration. This is particularly beneficial for towing or hauling heavy loads.

3. **Durability and Quality Materials**

The system is constructed from high-quality aluminum and stainless steel components, which are resistant to corrosion and wear. The deflector is designed to withstand high temperatures and harsh conditions, making it suitable for heavy-duty applications.

4. **Easy Installation**

The L1MZ-8310-D is designed as a direct replacement for the stock intake system, meaning it can be installed without extensive modifications. Most users report that installation takes less than an hour, especially with basic tools.

5. **Compatibility with Aftermarket Modifications**

This intake system works well with other performance upgrades, such as cold air intakes, turbochargers, or exhaust systems. It is a versatile choice for those looking to build a more powerful engine.

6. **Aesthetic Appeal**

The polished aluminum finish gives the engine bay a cleaner, more aggressive look, which is appealing to truck enthusiasts who value both performance and appearance.

7. **Reduced Carbon Buildup**

The improved airflow helps prevent excessive carbon buildup on intake valves, which can occur with restrictive stock systems. This contributes to better engine longevity and efficiency.

8. **Warranty and Support**

Ford and reputable aftermarket brands (such as Performance Truck Equipment or Ford Performance Parts) often provide warranties on their intake systems, offering peace of mind for buyers.

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### **Cons**

1. **Cost**

The L1MZ-8310-D is not a cheap modification. Depending on the brand and retailer, it can cost between $300 and $600, which is a significant investment for a single component. This cost may be prohibitive for budget-conscious buyers.

2. **Mixed Performance Gains**

While many users experience noticeable power gains, the actual increase in horsepower can vary widely. Factors such as engine condition, turbocharger efficiency, and other modifications play a role. Some users report minimal gains, especially if the engine is already heavily modified or if other components (like the turbo) are limiting performance.

3. **Potential for Increased Oil Consumption**

In some cases, improving airflow can lead to slightly higher oil consumption, particularly if the engine is running richer due to the intake modifications. This is more common in older or high-mileage engines.

4. **Requires Tuning for Optimal Performance**

While the intake system itself is straightforward, pairing it with other modifications (such as a turbo or exhaust) may require a tune from a professional or a tuner like Haltech, PowerFlash, or Ford s own tuning software. This adds to the overall cost and complexity.

5. **Noise**

The polished intake tube can make the engine slightly louder, which may not be desirable for those who prefer a quieter operation. However, the noise is generally not excessive and can be mitigated with additional sound deadening.

6. **Compatibility Issues with Some Engines**

While the L1MZ-8310-D is designed for the 7.3L Power Stroke, some users with heavily modified or aftermarket engines may encounter fitment issues. It s essential to verify compatibility with your specific engine configuration before purchasing.

7. **Maintenance Considerations**

The polished intake tube can accumulate dirt and debris more quickly than a stock system, requiring occasional cleaning to maintain optimal airflow. This adds minor maintenance overhead.

8. **Resale Value Impact**

While the modification can enhance driving experience, it may not significantly increase the resale value of the vehicle. Buyers looking for a used truck may not prioritize performance upgrades over reliability or low mileage.

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### **Conclusion**

The Ford L1MZ-8310-D Deflector Air Intake System is a solid choice for Ford 7.3L Power Stroke owners looking to improve airflow, throttle response, and horsepower. Its high-quality construction, ease of installation, and compatibility with other performance parts make it a worthwhile investment for enthusiasts willing to spend the extra money. However, the cost, variable performance gains, and potential need for additional tuning or maintenance should be carefully considered before purchasing.

If you are planning a broader engine build (including turbo upgrades, exhaust, or tuning), the L1MZ-8310-D is a logical first step. For those on a tight budget or those who prioritize reliability over performance, it may not be the most cost-effective choice.

### **Recommendation**

**Buy the L1MZ-8310-D if:**

- You own a Ford 7.3L Power Stroke and want to improve airflow and power.

- You are already investing in other performance modifications (turbo, exhaust, etc.).

- You value durability and a cleaner engine bay appearance.

- You are prepared to budget for installation and potential tuning.

**Avoid the L1MZ-8310-D if:**

- You are on a tight budget and cannot afford the upfront cost.

- You expect dramatic power gains without additional modifications (turbo, injectors, etc.).

- You prioritize reliability and low maintenance over performance.

- Your engine is heavily modified or has unique fitment requirements that may not be compatible with the stock system.

For the best results, pair this intake with a cold air intake, proper tuning, and a well-maintained engine. Always consult with a professional mechanic or tuner to ensure optimal performance and longevity.

Details:

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. Electrical parts are not returnable.

part #: l1mz8310 prices

  • $144.46-$272.61

specifications ocoosys:

  • for makes: Ford
  • mpn: L1mz-8310-d
  • part type: Deflector
  • genuine oem: Yes
  • manufacturer warranty: 1 Year
  • universal fitment: Direct Replacement
  • parts included: Only Part Reference 0 On The Diagram Is Included
  • replaces part number: L1mz8310c

returns ocoosys:

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

payments ocoosys:

  • wallet: Paypal
  • other
  • credit card: Diners-club

shipping ocoosys:

  • type: Fixed
  • cost: $9.95
  • service: Standard
  • class: Standard
  • transit: 4-10 Days

seller ocoosys:

  • rating: 98.7%
  • # reviews: 75
  • city: Phoenix, Arizona

offer ocoosys:

  • started: April 11, 2026
  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • quantity: 1

general ocoosys:

  • Car Truck Parts Accessories > Engine Cooling Components > Other Engine Cooling Components
  • condition: New
for makes: ford, part type: deflector, genuine oem: yes, manufacturer warranty: 1 year, universal fitment: direct replacement, parts included: only part reference 0 on the diagram is included, replaces part number: l1mz8310c,
category: auto parts > car truck parts accessories > engine cooling components, sku: 20968652068501773,
Ford L1MZ-8310 Is Similar To:
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5 offers $144.46–$272.61 USD
  • New. Offer #1 priced at $272.61 + $0.00 shipping estimate = $272.61* total. FREE SHIPPING
  • New. Offer #2 priced at $246.59 + $0.00 shipping estimate = $246.59* total. Genuine Ford Part Number: -D. Deflector Air.FREE SHIPPING
  • New. Offer #3 priced at $144.46 + $0.00 shipping estimate = $144.46* total. FREE SHIPPING
  • New. Offer #4 priced at $89.57 + $0.00 shipping estimate = $89.57* total. - Notes: Engine under cover/Air deflector. Part: Engine Splash Shield.FREE SHIPPING
  • New. Offer #5 priced at $253.06 + $24.40 shipping estimate = $277.46* total. +$24.40 shipping

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