The SM 92 Firewall Grommet by Metro Moulded Parts is precision-designed to fit into a 1-3/8" hole, seamlessly integrating with your 1956 to 1962 Chevrolet Corvette. Synonymous with terms like firewall seal, rubber grommet, and hole cover, this essential accessory maintains the sleek style of classic Corvettes while providing exceptional performance. With its robust, chemical-resistant finish and compliance with OEM #3708181, this grommet stands strong against harmful elements like sunlight and ozone, offering an unbeatable lifespan.Crafted using state-of-the-art rubber compounds, the SM 92 features smooth edges and flexible material that ensure an easy, hassle-free installation, fitting snugly into place to offer a long-lasting, protective seal. This pliability not only eases the installation process but guarantees a secure fit that blocks debris and moisture, preserving your vehicle's integrity.Built for style and high functionality, this durable grommet redefines quality rubber components. Backed by Metro's platinum 30-year "No Hassle" Warranty, you'll experience trust and reliability that stands the test of time. Equip your Corvette with this premium grommet today, bringing optimal performance and style to your cherished classic.
Customer Care
Frequently Asked Questions
Q: Is my personal information kept private? Is it safe to use my credit card?
A: Yes, your personal information is kept private and it is safe to use your credit card.
Q: How much will shipping cost?
A: Unfortunately, the cost of shipping is a real expense. Our goal is to minimize your shipping costs. Shipping is calculated at checkout based on the items in your cart and will be displayed prior to you placing an order. Please note that oversized items may be subject to additional charges, which will be noted on the product page.
Q: How do I track my order?
A: Once your order ships, you will receive a tracking notification via email. You are not required to purchase, download or use the Route app to track your order - this is an optional feature of the Route Package Protection service.
Q: Can someone outside of the United States place an order?
A: Yes, we are happy to provide worldwide service for our customers. Your shipping charges will be calculated during the checkout process. Customs and duty fees are the responsibility of the buyer.
Blog posts
Read moreFor Timothy Church, owning a Corvette was more than a dream — it was a promise. After selling his C3 Coupe early in marriage, he vowed to one day get another. Forty-five years later, that promise came true with a 2022 C8 Corvette in breathtaking Caffeine Metallic. Proof that some dreams — and some love stories — only get better with time.
Read moreDiscover officially licensed HeroCovers Silhouette Car Covers for every Corvette generation — from C1 to C8. Now available through CorvetteStoreOnline.com, these custom-fit covers combine precision, protection, and Corvette pride.
Read moreWhen it comes to replacing or upgrading your Corvette roof, accuracy matters. Each generation has its own roof design, materials, and installation quirks — and at CorvetteStoreOnline.com, we make it easy to find the right top for your model year with trusted, USA-made parts and GM-licensed components.
