Description
Product Overview
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The LYNSHINE Exhaust Flange Gasket is engineered to replace the original equipment part number EPFG‑31575 for a range of mid‑1990s full‑size trucks. Constructed from a high‑temperature resistant composite, the gasket maintains its sealing integrity under extreme heat cycles and vibration typical of heavy‑duty diesel and gasoline engines. Each package contains two precisely cut flange pieces that match the factory‑specified dimensions of 11.14 × 4.41 × 0.24 inches, ensuring a seamless fit without the need for additional trimming. The material composition combines reinforced fibers with a silicone‑based binder, delivering both flexibility for easy installation and rigidity for long‑term durability. By adhering to the original design tolerances, the gasket restores the exhaust system’s pressure balance, preventing exhaust leaks, reducing noise, and protecting downstream components from heat damage.
Compatibility extends to Cadillac Escalade models from 1999 to 2000, as well as Chevrolet and GMC C1500, C2500, K1500, and K2500 pickups produced between 1996 and 1999. The part also fits the Chevrolet Suburban and GMC Suburban variants of those years, making it a versatile solution for owners who need a reliable replacement after corrosion or wear. The gasket’s design incorporates a beveled edge that aligns with the exhaust pipe flange, creating a uniform seal that distributes pressure evenly across the mating surfaces. This reduces the likelihood of localized stress points that can cause premature failure. Whether you are performing a routine maintenance service or addressing a sudden exhaust leak, the LYNSHINE gasket provides the confidence of an OEM‑grade component at a fraction of the cost.
Usage
Installation of the LYNSHINE Exhaust Flange Gasket is straightforward for both professional mechanics and DIY enthusiasts. Begin by removing the old gasket and cleaning the flange surfaces to eliminate any residual carbon, oil, or debris. Apply a thin layer of high‑temperature sealant if recommended by the vehicle manufacturer, then position the new gasket, ensuring the beveled side faces the exhaust pipe. Reinstall the exhaust flange bolts to the specified torque values, typically ranging from 30 to 45 Nm, and re‑check for proper alignment before starting the engine. The gasket’s resilient material accommodates minor surface imperfections, allowing a secure seal even on slightly warped flanges.
The product performs optimally in a variety of operating conditions, from city commuting to off‑road hauling. Its resistance to thermal cycling means it can endure rapid temperature changes without cracking or losing elasticity. In addition, the gasket’s chemical resistance protects it from exposure to exhaust gases, oil vapors, and road salts, extending its service life. For owners who frequently tow heavy loads, the gasket helps maintain exhaust system integrity, preventing costly downstream damage to catalytic converters or mufflers. Regular visual inspections during scheduled service intervals can identify early signs of wear, allowing timely replacement before a leak develops.
Why Choose Us
LYNSHINE stands behind each exhaust flange gasket with a rigorous quality control process. Every unit is inspected by trained technicians using calibrated measurement tools to verify dimensional accuracy and material consistency. Our manufacturing facilities employ state‑of‑the‑art extrusion and molding equipment, ensuring each gasket meets the exacting standards required for OEM replacement parts. In addition, we maintain a dedicated customer support team that can assist with fitment questions, installation guidance, and warranty claims. Should any issue arise, our after‑sales service will work directly with you to resolve the problem, offering replacements or refunds in accordance with our policy.
The company’s commitment to sustainability is reflected in the selection of environmentally friendly materials and manufacturing practices. The composite used in the gasket is free from hazardous substances such as lead or asbestos, complying with modern automotive safety regulations. By sourcing raw materials from certified suppliers, LYNSHINE reduces the environmental impact of production while delivering a product that performs reliably over many years. Our packaging is designed to be recyclable, and we continuously seek ways to minimize waste throughout the supply chain. Choosing LYNSHINE not only provides a high‑quality component but also supports responsible manufacturing.
Key Features
- High‑temperature resistant composite material that endures extreme heat and vibration for long‑lasting performance.
- Exact OEM dimensions (11.14 × 4.41 × 0.24 in) ensure a perfect fit without modification.
- Beveled edge design creates an even seal, reducing stress and preventing leaks.
- Fits multiple 1996‑1999 Chevrolet, GMC, and 1999‑2000 Cadillac models for versatile application.
- Dedicated customer support and warranty service provide peace of mind after purchase.
FAQ
What vehicles are compatible with this gasket?
The gasket fits Cadillac Escalade (1999‑2000) and Chevrolet/GMC C1500, C2500, K1500, K2500 pickups and Suburban models from 1996‑1999, covering both diesel and gasoline versions.
Do I need to use sealant when installing?
A thin coat of high‑temperature sealant is recommended on the flange surfaces for most vehicles, but the gasket’s material often provides a sufficient seal on its own; follow your service manual.
How long will the gasket last?
When installed correctly and inspected regularly, the gasket can last the lifetime of the vehicle, typically eight to ten years, even under demanding driving and towing conditions.
What is the warranty coverage?
LYNSHINE provides a one‑year limited warranty covering defects in material or workmanship; defective units will be replaced or refunded at no additional cost to the customer.
During installation, several common mistakes can compromise the gasket’s effectiveness. One frequent error is overtightening the exhaust flange bolts, which can deform the gasket material and create gaps. It is essential to follow the vehicle manufacturer’s torque specifications, typically using a calibrated torque wrench. Another pitfall is neglecting to clean the mating surfaces; residual carbon or oil can prevent the gasket from sealing properly, leading to leaks. Applying the gasket with the beveled side facing the exhaust pipe is critical, as reversing the orientation reduces the contact area and may cause premature failure. Additionally, using an excessive amount of sealant can squeeze out and harden, creating uneven pressure points. By adhering to these best‑practice guidelines, installers can achieve a reliable, leak‑free connection that maximizes the gasket’s lifespan.
Regular maintenance helps preserve the integrity of the exhaust system and extends the service life of the flange gasket. After each major service, such as oil changes or brake repairs, inspect the gasket for signs of wear, cracking, or deformation. Visual checks should focus on the edges of the gasket and the surrounding flange for any discoloration or soot buildup. If any irregularities are observed, replace the gasket promptly to avoid exhaust leaks that can affect engine performance and fuel efficiency. For vehicles used in harsh climates or subjected to frequent towing, a bi‑annual inspection is advisable. Cleaning the flange with a non‑abrasive brush and a mild solvent before re‑installation ensures optimal sealing conditions.
The composite material used in the LYNSHINE gasket combines high‑temperature resistant fibers with a silicone‑based matrix, creating a balance of flexibility and strength. The fibers, typically aramid or glass, provide thermal stability up to 600 °F, while the silicone binder offers resistance to oil, fuel, and coolant exposure. This hybrid structure allows the gasket to expand and contract with the exhaust pipe during heating cycles without losing its sealing capability. Laboratory testing has demonstrated that the material retains over 95 % of its original tensile strength after 500 heating‑cooling cycles, confirming its suitability for demanding automotive applications. The formulation also minimizes out‑gassing, ensuring that no harmful emissions are released into the exhaust stream.
Each LYNSHINE exhaust flange gasket undergoes a series of rigorous performance tests before it leaves the factory. Tests include high‑temperature endurance, pressure leak detection, and vibration resistance to simulate real‑world driving conditions. The gasket is also evaluated for compliance with SAE J442 standards for exhaust system components, ensuring it meets industry‑accepted criteria for durability and safety. Independent third‑party laboratories verify the test results, providing an additional layer of quality assurance. These certifications give customers confidence that the product will perform reliably in both everyday commuting and heavy‑duty applications.
Customers who have installed the LYNSHINE exhaust flange gasket consistently report a noticeable reduction in exhaust noise and a quick resolution of leak issues. One long‑time truck owner noted that after replacing the original gasket with the LYNSHINE version, the vehicle’s fuel economy improved by approximately 1 % due to restored exhaust pressure. Another reviewer highlighted the ease of installation, stating that the gasket fit perfectly on the first attempt and required no additional modifications. Positive feedback also emphasizes the responsive customer service team, which assists with fitment queries and provides prompt assistance when needed.
LYNSHINE is committed to reducing its environmental footprint through responsible material selection and waste management. The gasket’s composite is manufactured without hazardous substances such as lead, mercury, or asbestos, aligning with RoHS compliance standards. Packaging materials are sourced from recyclable cardboard and biodegradable plastics, minimizing landfill contribution. Additionally, the company participates in a take‑back program for used gaskets, allowing customers to return old components for proper recycling. By choosing this gasket, consumers support a product lifecycle that prioritizes sustainability alongside performance.
The LYNSHINE exhaust flange gasket is shipped in a compact, protective box that safeguards the two pieces during transit. Each box includes a printed installation guide and a QR code linking to a video tutorial for visual learners. Shipping is handled through reputable carriers with tracking capabilities, ensuring timely delivery to most regions within the United States. For international orders, the company offers expedited shipping options and works with customs brokers to streamline clearance. Customers receive a notification email with tracking details and a reminder to inspect the package upon arrival.
In summary, the LYNSHINE Exhaust Flange Gasket delivers OEM‑level fit, high‑temperature durability, and ease of installation for a wide range of mid‑1990s trucks. Its robust composite construction, thorough quality testing, and comprehensive customer support make it a reliable choice for both professional garages and DIY mechanics. Order the 2‑piece set today to restore your exhaust system’s performance and enjoy long‑term peace of mind.
Step‑by‑step installation begins with gathering the required tools: a torque wrench, a socket set, a clean rag, and optional high‑temperature sealant. First, disconnect the battery to prevent any electrical interference while working near the exhaust. Remove the old gasket by loosening the flange bolts in a criss‑cross pattern to avoid warping the flange. Clean both mating surfaces thoroughly, using a brass brush to eliminate carbon buildup. Inspect the surfaces for scratches; if any are present, lightly sand them with fine‑grade sandpaper. Apply a thin, even coat of sealant only if the vehicle’s service manual recommends it. Position the new LYNSHINE gasket, ensuring the beveled edge faces the pipe and the flat side contacts the engine block. Reinstall the bolts and tighten them to the manufacturer‑specified torque sequence, typically 30 Nm for the first bolt, then progressing clockwise. After tightening, start the engine and listen for any abnormal noises, confirming a proper seal.
When an exhaust leak persists after gasket replacement, several factors may be responsible. Check the torque values again; under‑torqued bolts can allow the flange to separate under pressure. Examine the surrounding hardware, such as clamps or brackets, for corrosion that could shift the alignment. Verify that the gasket was not twisted during installation, as a misaligned gasket can create gaps at the corners. Inspect the exhaust pipe for cracks or warping that may compromise the seal despite a new gasket. In some cases, the exhaust manifold itself may have a defect that requires separate repair. Using a smoke test or a pressure gauge can help pinpoint the exact location of the leak, allowing targeted corrective action.
The LYNSHINE gasket is designed to work not only with factory‑installed exhaust components but also with many popular aftermarket systems. When pairing with stainless‑steel or mandrel‑bent pipes, the gasket’s flexible composite adapts to slight variations in flange geometry, maintaining a tight seal. However, it is important to verify that the aftermarket flange dimensions match the OEM specifications; significant deviations may require a custom gasket or additional sealing accessories. For customers who have installed performance headers, the gasket can still be used on the downstream flange, provided the mating surfaces are clean and properly aligned. Consulting the aftermarket manufacturer’s installation guide can prevent incompatibility issues.
LYNSHINE’s one‑year limited warranty covers any manufacturing defects in material or workmanship. To initiate a claim, customers should contact the support team with the original order number, a description of the issue, and photos of the installed gasket. The support representative will assess the situation and, if the claim is valid, arrange for a replacement unit to be shipped at no additional cost. Returns are accepted within 30 days of receipt for unopened packages; opened packages may be eligible for exchange if the product is defective. All warranty claims are processed in accordance with the company’s terms and conditions, which are available on the website.
Choose LYNSHINE for reliable performance and enjoy a quieter, more efficient exhaust system today.




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