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  3. SEALS IT GS100318

SEALS-IT GS100318 Firewall Grommet Od Hole 1.125

fits model: 125.

Gs100318 Seals-it Firewall Grommet 3 Inch Od 1.125 Hole Id Qty 2

( Brand: Seals-it ), ( Manufacturer Part Number: GS100318 ), ( Performance Part: Yes )

Review SEALS IT Firewall Grommet Inch Od 1.125 Hole Id Qty fits 125

Introducing the Seals-it GS100318 Firewall Grommet, a high-performance solution designed for protective shielding in automotive and industrial applications. This grommet is engineered with a 1.125-inch outside diameter hole, making it a versatile addition to various systems requiring firewall protection.

The Seals-it Firewall Grommet is meticulously crafted using premium materials, ensuring superior resistance to heat, fire, and other environmental hazards. It is specifically designed to seal and protect wires, cables, and hoses that pass through firewalls, providing a vital safety function in vehicles and machinery.

This grommet features a robust, yet flexible design, which allows it to effectively manage thermal expansion and contraction while maintaining a secure seal. Its unique construction also ensures optimal cable management, reducing the likelihood of cable damage and ensuring efficient signal transmission.

The Seals-it GS100318 Firewall Grommet is easy to install, with a simple, push-fit design that eliminates the need for complicated fasteners or adhesives. It is also designed for a universal fit, making it an ideal replacement option for a wide range of applications.

In summary, the Seals-it GS100318 Firewall Grommet is an essential component for any system requiring firewall protection. Its superior heat resistance, flexible design, and easy installation make it a reliable and effective solution for sealing and protecting wires, cables, and hoses in automotive and industrial applications.

Pros and Cons of buying a Seals-it GS100318 Firewall Grommet for a 1.125-inch Hole

The Seals-it GS100318 Firewall Grommet is a crucial component for automotive applications, designed to provide a watertight seal between the body of the vehicle and the engine compartment through a 1.125-inch hole. Let's examine the potential advantages and disadvantages of purchasing this grommet.

Pros:

1. Superior Sealing: The Seals-it GS100318 is engineered with a specially formulated rubber compound that offers excellent sealing properties, ensuring that water, air, and other contaminants stay out of the engine compartment.

2. Durability: This grommet is designed to withstand the harsh conditions found in modern engines, including high temperatures and engine fluids. The reinforced design adds to its durability, making it a reliable long-term solution.

3. Easy Installation: The Seals-it GS100318 comes with a simple, press-fit design that makes installation a straightforward process. This can save time and effort for the mechanic or DIY enthusiast.

4. OEM Quality: This grommet is a direct replacement for original equipment manufacturer (OEM) parts, ensuring a perfect fit and function.

Cons:

1. Cost: Compared to other grommets in the market, the Seals-it GS100318 can be considered a premium option due to its advanced features and superior sealing capabilities.

2. Limited Availability: Since this grommet is a specialized product, it may not be readily available at all auto parts stores or online retailers, requiring the consumer to search extensively for it.

3. Potential for Over-tightening: The grommet's press-fit design may lead to the risk of over-tightening during installation, which could potentially damage the sealing properties of the grommet or the surrounding components.

Conclusion:

The Seals-it GS100318 Firewall Grommet is a high-quality, durable, and effective solution for sealing a 1.125-inch hole in a vehicle's firewall. While it may come with a higher cost than some alternatives, its superior sealing properties and ease of installation make it a worthwhile investment for those seeking a reliable and long-lasting solution. To ensure a successful installation, it is essential to follow the manufacturer's instructions carefully and avoid over-tightening.

Recommendation:

If you are in need of a firewall grommet for a 1.125-inch hole in your vehicle and are looking for a reliable, long-lasting solution, the Seals-it GS100318 Firewall Grommet is an excellent choice. Its advanced sealing properties, durability, and ease of installation make it a worthwhile investment for both professional mechanics and DIY enthusiasts. However, be sure to check with your local parts suppliers or online retailers to ensure availability before making a purchase.

Details:

Wiring, fuel and oil lines, air liquid hoses, all other lines that make up your rod or custom, can an otherwise detailed installation look unfinished. Seals-It grommets make It easy to run wiring through your firewall without risking wearing the and help keep dirt grime out of interior. In race cars they serve to keep unwanted smoke and fumes from entering the drivers area while protecting lines chafing abrading on rough surfaces. In hot rods and custom car applications, they provide the perfect finishing touch to all through panel installations.

Seals-It Firewall Grommet, 3 OD, 1.125 Hole ID, GS100318 QTY Grommet Seals have many applications.

part #: gs100318 prices

  • $26.99-$46.99

specifications perfracp:

  • for models: 125
  • brand: Seals-it
  • mpn: Gs100318
  • performance part: Yes

payments perfracp:

  • credIt card: Discover
  • other
  • wallet: Apple-pay

shipping perfracp:

  • transIt: 2-6 Days
  • cost: $0.00
  • carrier: USPS
  • type: Fixed
  • class: Standard, ExpedIted
  • service: USPS First Class, ExpedIted

offer perfracp:

  • options: Ship-to-home
  • started: October 29, 2025
  • quantIty: 2
  • sold: 0
  • availabilIty: In Stock

seller perfracp:

  • rating: 99.4%
  • # reviews: 13262
  • cIty: Niles, Michigan

general perfracp:

  • Parts Accessories > Permance Racing Parts > Other
  • condItion: New

returns perfracp:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller
for models: 125, performance part: yes,
category: auto parts > racing parts, sku: 9500624520398761,
Seals-it GS100318 Is Similar To:
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2 offers $26.99–$46.99 USD
  • New. Offer #1 priced at $26.99 + $0.00 shipping estimate = $26.99* total. Wiring, fuel and oil lines, air and liquid hoses, and all other lines that make up your rod or custom, can make an otherwise detailed installation look unfinished. In hot rods and custom car applications, they provide the perfect "finishing touch" to all through panel installations.FREE SHIPPING
  • New. Offer #2 priced at $46.99 + $0.00 shipping estimate = $46.99* total. FREE SHIPPING

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