
551IG12 Comparison
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![]() | $30.78 | Condition is New, For 1966-1970 Mercury Marauder Exhaust Manifold Heat Shield Set Fel-Pro 1967, FREE SHIPPING | ![]() |

The Fel-Pro 551IG12 exhaust manifold heat shield set is a precision-engineered solution for the thermal protection needs of 1966-1970 Mercury Marauder vehicles, specifically for the model year 1967. This set is manufactured by Fel-Pro, an industry-leading gasket and engine component supplier known for their high-quality products.
This heat shield set includes all the necessary components to effectively insulate and protect the exhaust manifolds from the extreme underhood temperatures. The shields are designed to fit securely and snugly around the exhaust manifolds, providing a barrier between the engine components and the hot exhaust gases.
The Fel-Pro 551IG12 set consists of multiple shields, each meticulously crafted from high-temperature insulating materials. These materials not only provide effective insulation but also ensure durability and resistance to the harsh underhood environment. The shields are designed to be a perfect fit for the Mercury Marauder's exhaust manifolds, ensuring optimal performance and minimal clearance issues.
The heat shields feature a ribbed design that not only aids in insulation but also provides additional structural support. This design helps to distribute the heat evenly and maintain consistent temperatures under the hood. The shields are also designed to be easy to install, with clear markings and simple mounting points to help ensure a hassle-free installation process.
By using the Fel-Pro 551IG12 exhaust manifold heat shield set, Mercury Marauder owners can protect their engine components from the damaging effects of excessive heat. This can lead to improved engine performance, longer component lifespan, and enhanced overall vehicle durability. The set is a must-have for anyone looking to maintain their classic Mercury Marauder in top condition.
Pros and Cons of Buying Fel-Pro 551IG12 Exhaust Manifold Heat Shield Set for 1966-1970 Mercury Marauder
Introduction:The Fel-Pro 551IG12 Exhaust Manifold Heat Shield Set is designed for 1966-1970 Mercury Marauder vehicles. Replacing worn-out or missing heat shields can help prevent under-hood heat damage and improve overall engine performance. In this analysis, we will explore the potential advantages and disadvantages of investing in this Fel-Pro heat shield set.
Pros:1. Heat Protection: The primary purpose of exhaust manifold heat shields is to insulate engine components from excessive heat. The Fel-Pro 551IG12 set effectively shields the exhaust manifolds, helping to maintain optimal engine temperatures and reducing the risk of damage to sensitive components.
2. Improved Engine Performance: By preventing excessive heat transfer to other engine components, the heat shields can potentially improve engine performance. This can lead to better fuel efficiency and smoother engine operation.
3. OEM Quality: Fel-Pro is a well-known aftermarket parts manufacturer that produces components to OEM (Original Equipment Manufacturer) specifications. This ensures a proper fit and function, making the Fel-Pro heat shields a reliable choice for restoring or maintaining a classic Mercury Marauder.
4. Easy Installation: The heat shields are designed for a straightforward installation process. With clear instructions and easy-to-follow steps, most mechanics and DIY enthusiasts should be able to complete the job in a reasonable amount of time.
Cons:1. Cost: While the Fel-Pro 551IG12 set offers high-quality parts, it comes at a cost. The price may be considered high compared to some aftermarket alternatives. However, the investment in OEM-quality parts may be justified for those seeking a durable, long-lasting solution.
2. Availability: Depending on the location and availability, it may be challenging to find this specific Fel-Pro heat shield set at local auto parts stores. Ordering online from reputable retailers or directly from Fel-Pro may be the most convenient option.
Conclusion:The Fel-Pro 551IG12 Exhaust Manifold Heat Shield Set for 1966-1970 Mercury Marauder offers several advantages, such as effective heat protection, improved engine performance, OEM quality, and easy installation. However, the cost and potential availability concerns may deter some buyers. Ultimately, the decision to invest in this set depends on individual priorities, budget, and availability considerations. For those seeking high-quality, reliable parts that meet OEM specifications, the Fel-Pro heat shields are a solid choice.
Details:
Part design or feature use: heat shield. Consequently, the picture displayed may not always reflect most recent changes, though this occurs rarely. We source our pictures directly from the manufacturer and may not immediately receive updated photos if changes are made. Document for 1966-1970 Mercury Marauder exhaust manifold heat shield set Fel-pro 1967:: brand: Fel-pro, warranty: 12 month warranty, part type: set, compatible years: 1966 1967 1968 1969 1970.
Exh man heatshld set. They may even discontinue an item and replace it with updated version.
specifications heatnshield:
- for models: Marauder
- for makes: Mercury
- for years: 1966–1970
- brand: Fel-pro
- mpn: 551ig12
- part type: Heat Shield Exhaust Manifold
- warranty: 1 Year
- application: Mercury Marauder Exhaust Manifold Heat Shield Set
- short description: Exh Man Heatshld Set
- compatible years: 1966 1967 1968 1969 1970
- grade type: Premium
- cs-sku: 328
returns heatnshield:
- policy: returns accepted
- time: 30 days
- paid by: seller
payments heatnshield:
- credit card: discover
- other
- wallet: paypal
offer heatnshield:
- started: april 12, 2025
- in stock #: 1
- sold #: 19
- options: ship-to-home
- availability: in stock
- price: $30.78
- item condition: New
seller heatnshield:
- rating: 98.9%
- # reviews: 2011 7
- city: pico rivera, california
shipping heatnshield:
- class: standard
- type: fixed
- service: standard
- transit: 4-9 days
general heatnshield:
- category: Auto Parts > Car Truck Accessories > Exhaust Emission Systems > Heat Shields, Wraps Sleeves
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