Sealing Gasket Neoprene Rubber Washers for Automotive

Neoprene rubber washers add a compliant ring at a matching automotive joint or attachment. Their size and material details can be customized around the mating faces, with color options available. The ring should be selected for the conditions at its actual vehicle location rather than for the vehicle category alone.

Check what reaches the washer in service, including heat transferred by hardware and any fluids or cleaning products nearby. Its inner opening must clear the relevant component while the outside diameter remains supported by the contact face. Thickness determines how the joint closes and should be considered together with the intended compression.

Install the washer flat before securing the assembly. Avoid allowing it to follow a turning fastener into a twisted position. During later maintenance, inspect the contact pattern for a region that has been compressed more heavily than the rest. An uneven mark can point to misalignment or an unsupported edge. Restore the specified section and compound when replacing the washer so the assembled joint keeps its intended spacing and contact.

Material options

Neoprene. Custom formulation and color for the intended contact conditions.

Hardness selection

Rubber: 30–90 Shore A. Thickness determines how the joint closes and should be considered together with the intended compression.

Custom dimensions

Avoid allowing it to follow a turning fastener into a twisted position.

Fit & assembly

Install the washer flat before securing the assembly.

Use & inspection

Check what reaches the washer in service, including heat transferred by hardware and any fluids or cleaning products nearby.

Photos illustrate structure or material only. Thickness determines how the joint closes and should be considered together with the intended compression. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.