Description
Product Overview
The Mr. Gasket 7154 Copper Exhaust Gasket is engineered for precision fit and durability. Constructed from high‑quality plastic with a copper‑infused sealing surface, this round gasket delivers superior heat resistance and a tight seal on exhaust manifolds. Measuring 22.5 x 3.75 x 0.04 inches and weighing just 11.2 ounces, it offers a lightweight yet robust solution for both standard and high‑performance applications. The gasket is designed to meet OEM specifications, ensuring compatibility with a wide range of vehicles.
Usage
This gasket is perfect for automotive technicians, DIY enthusiasts, and performance tuners who need a reliable seal for exhaust system repairs or upgrades. It performs well under extreme temperatures, making it suitable for daily commuting, track days, and heavy‑duty towing. Whether you are replacing a worn gasket or installing a new exhaust manifold, the Mr. Gasket 7154 provides an easy, bolt‑tight installation without the need for additional sealants.

Why Choose Us
Mr. Gasket is a trusted name in automotive sealing solutions, known for rigorous quality control and consistent performance. Each gasket undergoes strict testing for dimensional accuracy, material integrity, and heat tolerance. Our products come with a warranty, reflecting confidence in durability and fit. Choosing this gasket means benefiting from professional‑grade engineering at a competitive price, backed by positive customer reviews and a strong track record in the automotive aftermarket.
Key Features
- Copper‑infused sealing surface for excellent heat resistance and leak protection
- Precision‑molded plastic construction ensures a perfect fit and easy installation
- Lightweight design reduces overall exhaust system weight without compromising strength
- OEM‑compatible dimensions meet or exceed original equipment specifications
- Backed by a warranty and positive customer ratings for reliability
FAQ
Is this gasket compatible with my vehicle?
The Mr. Gasket 7154 is designed to fit a broad range of makes and models. Check the part number 7154 against your vehicle’s service manual or consult a professional to confirm compatibility.
Do I need additional sealant when installing?
No additional sealant is required. The copper‑coated surface provides a reliable seal when properly torqued to the manufacturer’s specifications.
Can this gasket be used for high‑performance applications?
Yes, the copper coating and heat‑resistant plastic are engineered to withstand elevated exhaust temperatures common in performance and racing environments.
What is the warranty coverage?
The gasket comes with a standard warranty covering defects in material and workmanship. Refer to the warranty card included with the product for detailed terms.
How do I install the gasket correctly?
Clean the mating surfaces, align the gasket precisely, and torque the bolts in a criss‑cross pattern to the vehicle’s recommended specifications. This ensures an even seal and prevents leaks.






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