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Trilobe TPE boot from Trelleborg

Trelleborg's inboard trilobe TPE boot delivers reliable, cost-effective and more sustainable protection for vehicles, sealing lubricants in and keeping dirt and contaminants out. Its all-in-one design and thermoplastic elastomer (TPE) material make it compact and easy to assemble, while also being regrindable during the production process.
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A selection of Trelleborg's Trilobe Constant Velocity Joint (CVJ) Boots is showcased against a white background. These innovative, seamlessly designed boots provide a reliable and cost-effective solution.

What is a trilobe boot?

The CVJ Trilobe Boot is a seamless, single-piece component that combines a constant velocity joint (CVJ) circular boot and an adaptor in one design. Rather than joining separate parts, it delivers the same dynamic sealing performance as proven inboard circular TPE boot technology in a unified form.
The result is a compact solution that seals lubricant in and keeps dirt and contaminants out, protecting the driveshaft across its full range of movement.

Advantages over standard circular boots

A CVJ tripod boot displayed against a clean white background, showcasing our expertise in design and TPE boot manufacturing.
Function integration
The trilobe shape integrates roller retention, a ball retainer and sealing into one compact, lightweight solution. It requires less grease and maintains flexibility across a 0° to 30° operating angle.
Improved reliability
Fewer parts mean fewer connection points and fewer potential leak paths, so the seal stays consistent even at high rotation speeds.
Lower total cost of ownership
You no longer need to produce and order two distinct components, which reduces both part count and procurement overhead.
Simplified assembly
A single-piece design streamlines fitting on the line, saving time during installation. 

How it meets your needs

Whether you manage procurement, engineering or operations, the CVJ Trilobe Boot addresses the pressures you face every day. Consolidating parts cuts inventory complexity and sourcing effort for procurement teams. Engineers gain a more robust seal that stands up to the temperatures, rotation and plunge of real-world driving. Operations teams benefit from faster, more consistent assembly and fewer warranty concerns tied to component failure.
Backed by Trelleborg's applications expertise and years of experience, the CVJ Trilobe Boot is a practical way to improve reliability and reduce cost without compromising performance.
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CVJ inboard boot expertise
To learn more about the sealing technology behind our constant velocity joint boots.
Inboard Circular TPE Boot
A selection of Trelleborg's Trilobe CVJ Boots is displayed against a white background. Crafted from TPE, these boots offer enhanced reliability, a compact design, and effortless assembly, making them a superior choice for performance and efficiency.

Retention force on Trilobe

Trelleborg’s trilobe retention boot is a masterpiece of engineering, bringing together a series of innovations that result in the most flexible, resistant, and durable product available on the market.
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