
L1MZ-9Y427-B Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $26.95 | Condition is New, NEW OEM Ford Exhaust Manifold Heat Shield Left L1MZ-9Y427-B Explorer 3.3L 20-23, FREE SHIPPING | ![]() |
![]() | $29.20 | Condition is New, Genuine Ford OE Shield - Exhaust Manifold Heat L1MZ-9Y427-B, FREE SHIPPING | 98.3% |
![]() | $10.00 | Condition is New, Genuine Ford Heat Shield L1MZ-9Y427-B, shipping cost = $20.80 | 99.6% |

Ford Explorer 3.3L 20-23 Left Exhaust Manifold Heat Shield (L1MZ-9Y427-B)
Description:The Ford Explorer 20-23 Left Exhaust Manifold Heat Shield (L1MZ-9Y427-B) is an essential component designed to protect the left side of your vehicle's exhaust manifold from the extreme underhood temperatures. Manufactured by Ford Motor Company, this heat shield is an exact-fit replacement for your specific model and year Explorer.
Key Features:1. Exact-Fit Design: This heat shield is engineered to fit perfectly on the left side of the 3.3L engine in Ford Explorers produced between 2020 and 2023.
2. Temperature Protection: The primary function of this heat shield is to insulate the manifold from the engine compartment, preventing excessive heat from radiating to other components and potentially causing damage.
3. Durable Construction: Made from high-quality materials, this heat shield is built to last and withstand the rigors of daily driving. Its robust design ensures effective temperature insulation and long-term reliability.
4. OEM Quality: This Ford-branded heat shield is an authentic OEM (Original Equipment Manufacturer) part, ensuring a perfect fit, superior performance, and the peace of mind that comes with using a genuine Ford component.
Benefits:1. Enhanced Engine Performance: By shielding the exhaust manifold from underhood temperatures, this heat shield helps maintain optimal engine performance and efficiency.
2. Prevents Damage: The heat shield protects the manifold and other underhood components from potential damage caused by high temperatures.
3. Improved Comfort: By insulating the manifold, this heat shield can help reduce interior cabin heat, making for a more comfortable driving experience.
When it comes to maintaining the performance and longevity of your Ford Explorer's engine, the exhaust manifold heat shield plays a crucial role. By choosing the genuine Ford Exhaust Manifold Heat Shield (L1MZ-9Y427-B), you're ensuring a perfect fit, high-quality materials, and the peace of mind that comes with using an authentic OEM part.
Exhaust Manifold Heat Shield for Ford Explorer 3.3L (L1MZ-9Y427-B): Pros, Cons, and Conclusion
The exhaust manifold heat shield (L1MZ-9Y427-B) for Ford Explorer 3.3L is a crucial component that helps protect the undercarriage from excessive heat. Here are the pros, cons, and a final conclusion regarding this part.
Pros:1. Effective Heat Protection: The heat shield efficiently prevents under-vehicle components from getting damaged due to high exhaust temperatures.
2. Improved Engine Performance: By reducing the heat transfer from the exhaust manifold to the undercarriage, this heat shield can help improve overall engine performance.
3. Durable Construction: The heat shield is made of high-quality materials, ensuring long-lasting use and resistance to corrosion and wear.
4. Easy Installation: The installation process is relatively simple and can usually be completed in a short amount of time, even for those without extensive mechanical knowledge.
Cons:1. Cost: Replacing an exhaust manifold heat shield can be an expensive endeavor, especially for those on a tight budget.
2. Availability: Depending on your location, it might be challenging to find this specific part in local auto parts stores, making online purchasing the only viable option.
3. Potential Fitment Issues: Although this heat shield is designed to fit Ford Explorer 3.3L models from 2002 to 2003, there have been reports of fitment issues for some vehicles.
Conclusion:The exhaust manifold heat shield (L1MZ-9Y427-B) for Ford Explorer 3.3L is a valuable investment for those looking to protect their undercarriage from excessive heat and potential damage. While the cost and potential fitment issues may be drawbacks for some, the improved engine performance and long-lasting durability make it a worthwhile investment for those who prioritize the longevity and performance of their vehicle. Ultimately, if you own a Ford Explorer 3.3L from the specified model years, it is recommended to consider purchasing this heat shield to ensure the optimal functioning and protection of your vehicle.
Details:
This product has been designed with original part specifications and will offer reliable, long lasting performance. Please the link to ensure proper fitment. New oem Ford exhaust manifold heat shield left L1MZ-9Y427-B Explorer 3.3l 20-23. Fitment information may not be available for all products and those without fitment will have a link at the top.
However, we must be advised of any faulty or damaged goods immediately upon receipt the item. Plus, all genuine parts are backed by Ford motor company and built with the engineering expertise that can only come from a manufacturer over 100 years of experience. About the manufacturer. Look at the existing part you are replacing and compare to picture above.
They re the original equipment for Ford, Lincoln and mercury vehicles help restore new-vehicle-like performance reliability. Is this the correct part. Grand TeX part number: L1MZ-9Y427-B.
Made to fit, built last. You get what you see. Find the make, model, year, and trim if applicable to ensure a match.
specifications heatnshield:
- for models: Explorer
- for years: 2020–2023
- brand: Ford
- mpn: L1mz-9y427-b
- type: Heat Shield
- placement on vehicle: Exhaust
- fitment type: Direct Replacement
returns heatnshield:
- policy: returns accepted
- paid by: seller
- time: 30 days
general heatnshield:
- category: Auto Parts > Car Truck Accessories > Exhaust Emission Systems > Heat Shields, Wraps Sleeves
payments heatnshield:
- wallet: apple-pay
- credit card: diners-club
- other
shipping heatnshield:
- carrier: usps, fedex
- transit: 5-11 days
- type: calculated
- service: usps ground advantage, usps priority mail, fedex ground / fedex home delivery, fedex priority overnight
- class: standard, expedited, one-day
seller heatnshield:
- # reviews: 124397
- rating: 99.8%
- city: houston, texas
offer heatnshield:
- in stock #: 3
- sold #: 14
- best offers: true
- started: february 12, 2026
- options: ship-to-home
- prices: $10.00–$29.20
- item condition: New
- availability: in stock
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