Trelleborg TPE adaptor for CV joint inboard boots

CVJ boot adaptor

Trelleborg's TPE CVJ boot adaptor ensures the circular inboard boot fits tightly and seals reliably on the driveshaft joint. Engineered for precision and durability, it protects the constant velocity joint from grease loss and contamination across the full life of the vehicle.
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What is it?

A boot adaptor, also called a bushing or adapter, is a thin, circular spacer in thermoplastic elastomer (TPE) material make that connects, supports and positions the circular inboard boot within the driveshaft assembly. Installed at the inboard CV joint, specifically the boot-to-housing sealing area, it keeps the boot securely fitted, so the joint stays protected and sealed.

Injection-molded and typically between 1.25 and 3 millimeters thick depending on customer geometry, the adaptor is built for tight sealing and dimensional accuracy, even under constant angular and axial movement.

Advantages

Our selection of Trelleborg Boots adaptors is designed to meet the needs of the global automotive market.
Trelleborg Boots insret on a white background.

How it meets your needs

Whether you are a procurement manager, engineer or operations professional, the Trelleborg TPE CVJ boot adapter is built to meet the demands of critical applications. You can rely on our global capabilities and local presence to design, manufacture and deliver a CVJ boot adapter tailored to each new requirement, with consistent quality you can count on.

Every component is validated through sealing tests, boot retention force evaluation, grease compatibility testing, thermal aging cycles and endurance testing under articulation and rotation, backed by advanced engineering support including NVH modeling, thermal analysis and tolerance stack-up studies. Operations teams benefit from consistent tolerances that support faster, more reliable assembly and fewer warranty concerns.

If the adaptor is missing or worn, the consequences are clear: grease leakage, boot slippage, contamination ingress, NVH issues, and premature driveshaft failure. Trelleborg's adaptor is designed to prevent these failure modes and last the vehicle's full-service life.

FAQs

What market segments are the CVJ boot adaptor designed for?  
It serves light vehicle OEMs and Tier 1 and Tier 2 driveshaft and CV joint manufacturers, including producers of inboard CV joints, boot kits and driveshaft assemblies.
Can the adaptor be customized for specific boot and joint geometries?  
Yes. Trelleborg's engineering teams codevelop adaptors matched precisely to your inboard boot and joint dimensions, supported by NVH modeling, thermal and grease compatibility analysis, sealing simulation and tolerance stack-up studies.
How is performance validated?  
Each design undergoes sealing tests, boot retention force evaluation, grease compatibility tests, thermal aging cycles, chemical and salt spray resistance testing, endurance testing under articulation and rotation and dimensional stability checks using CMM-based measurement.
Are more sustainable material options available?
Recycled polymer alternatives are available depending on customer requirements, and designs are optimized to reduce material use without compromising performance.
How long does the adaptor last?
It is designed to last the vehicle's full-service life, matching the durability of the CV boot and driveshaft assembly.