1. Exhaust Gaskets Products
  2. sku: 12059778623198603
  3. FEL PRO SX-3840

FEL-PRO SX-3840 Exhaust Pipe Flange Gasket Avanti Ck 5.3L 5.4L 5.7L

fits year: 1965–1980.

Sx-3840 Fel-pro Exhaust Pipe Flange Gasket For 1965-1980 Avanti Ii 5.3l 5.4l 5.7l Ck

( Brand: Fel-pro ), ( Placement On Vehicle: Exhaust Gaskets Sealing Systems ), ( Type: Exhaust Pipe Flange Gasket ), ( Manufacturer Part Number: SX-3840 ), ( Item Length: 6.000 ), ( Ipn: C394 86-23 ), ( Manufacturer Warranty: 1 Year ), ( Compatible Make: Avanti ), ( Compatible Model: Ii ), ( Compatible Year: 1980 1979 1978 1977 1976 1975 1974 1973 1972 1971 1970 1969 1968 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Fel-pro Exhaust Pipe Flange Gasket )

Review FEL PRO Exhaust Pipe Flange Gasket Avanti 5.3l 5.4l 5.7l Ck fits 1965–1980

Introducing the Fel-Pro SX-3840 exhaust pipe flange gasket, specifically designed for the 1965-1980 Studebaker Avanti models with 5.3L, 5.4L, and 5.7L engines. This high-performance gasket is engineered to deliver superior sealing and durability for your vehicle's exhaust system.

The Fel-Pro SX-3840 gasket is manufactured using advanced technologies and high-quality materials. Its unique design features a multi-layered construction that includes a high-temperature sealant between the copper and steel layers. This ensures a perfect seal, preventing exhaust leaks and reducing the risk of harmful emissions escaping into the environment.

The copper layer of the gasket is precisely machined to ensure a precise fit and optimal contact with the exhaust pipe and manifold. The steel back layer provides added strength and durability, making it ideal for high-performance applications where increased exhaust flow is required.

The Fel-Pro SX-3840 exhaust pipe flange gasket is also designed to withstand the extreme temperatures and pressures generated by the exhaust system. Its high-temperature resistance ensures that it remains flexible and maintains its shape even under the most demanding conditions.

Installing the Fel-Pro SX-3840 exhaust pipe flange gasket is a straightforward process. Its precise fit ensures that there is no need for excessive force or distortion during installation, making it easier to install and reducing the risk of damage to the exhaust system components.

In summary, the Fel-Pro SX-3840 exhaust pipe flange gasket is a high-performance, durable solution for sealing the exhaust system on your 1965-1980 Studebaker Avanti with 5.3L, 5.4L, and 5.7L engines. Its multi-layered construction, precise fit, and high-temperature resistance make it an ideal choice for ensuring a reliable and efficient exhaust system.

The Fel-Pro SX-3840 exhaust pipe flange gasket is designed to fit 1965-1980 Avanti models with 5.3L, 5.4L, and 5.7L engines. This gasket is an essential component for maintaining the sealing integrity of the exhaust system. Here are some pros and cons of buying this gasket:

Pros:

1. High-quality material: The Fel-Pro SX-3840 is made of high-temperature, durable material that can withstand the extreme heat and pressure of the exhaust system.

2. Precise fit: This gasket is specifically designed for Avanti models with the mentioned engine sizes, ensuring a precise fit and minimizing the risk of leaks.

3. Affordable: Compared to OEM gaskets, the Fel-Pro SX-3840 is a more affordable option without compromising on quality.

Cons:

1. Not a direct replacement: While this gasket fits the specified engines and models, it may require additional modifications or components depending on the condition of the existing exhaust system.

2. Installation complexity: Installing an exhaust pipe flange gasket can be a complex process, especially for those without prior experience. It may require specialized tools and knowledge.

In conclusion, the Fel-Pro SX-3840 exhaust pipe flange gasket is a reliable and affordable solution for maintaining the sealing integrity of the exhaust system on 1965-1980 Avanti models with 5.3L, 5.4L, and 5.7L engines. However, it may require additional modifications or components for a complete replacement, and the installation process can be complex. If you have the necessary skills and tools, or if you're working with a professional mechanic, this gasket is an excellent choice. Otherwise, it may be worth considering a professional exhaust system repair or replacement.

Recommendation: If you're confident in your mechanical skills and have the necessary tools, the Fel-Pro SX-3840 exhaust pipe flange gasket is a cost-effective and reliable solution for maintaining the exhaust system on your 1965-1980 Avanti. If you're unsure about your abilities or prefer a more comprehensive solution, consider consulting a professional mechanic or exhaust system specialist.

part # sx3840 prices

  • $9.63-$20.95

specifications gasketdug:

  • for years: 1965-1980
  • brand: Fel-pro
  • placement on vehicle: Exhaust Gaskets Sealing Systems
  • type: Exhaust Pipe Flange Gasket
  • manufacturer part number: SX-3840
  • item length: 6.000
  • interchange part number: C394 86-23
  • manufacturer warranty: 1 Year
  • compatible make: Avanti
  • compatible model: Ii
  • compatible year: 1980 1979 1978 1977 1976 1975 1974 1973 1972 1971 1970 1969 1968
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine Fel-pro Exhaust Pipe Flange Gasket

offer gasketdug:

  • quantity: 7
  • started: April 20, 2026
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home

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  • time: 30 Days
  • policy: Returns Accepted

seller gasketdug:

  • rating: 99.6%
  • # reviews: 647067

general gasketdug:

  • condition: New
  • Car Truck Parts Accessories > Exhaust Emission Systems > Exhaust Gaskets

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for years: 1965-1980, placement on vehicle: exhaust gaskets sealing systems, type: exhaust pipe flange gasket, item length: 6.000, manufacturer warranty: 1 year, compatible make: avanti, compatible model: ii, compatible year: 1980 1979 1978 1977 1976 1975 1974 1973 1972 1971 1970 1969 1968, core charge: free no core charge, fitment type: direct replacement, bundle description: 1 pc genuine fel-pro exhaust pipe flange gasket,
category: auto parts > car truck parts accessories > exhaust emission systems > exhaust gaskets, sku: 12059778623198603,

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