TOYOTA 17565-74420 Exhaust Pipe Support

The genuine OEM specification Toyota 17565-74420 exhaust pipe support (hanger) provides flexible, vibration-damped mounting of the exhaust system to the vehicle chassis. Its primary purpose is to mechanically support the exhaust pipe while dampening vibrations and structure-borne noise generated by the engine and road surface, preventing them from transferring into the cabin and vehicle body.

Technical Features and Function

This exhaust hanger is manufactured from a high-tensile, heat- and weather-resistant elastomer compound designed to withstand radiant heat from exhaust gases, moisture, and corrosive road salt. Its design permits slight movement caused by thermal expansion of the exhaust system without exerting excessive stress on the manifold, catalytic converter, or pipe joints.

• Part Type: Exhaust Pipe Support Rubber (Support, Exhaust Pipe No.1)
• Material: Heat- and aging-resistant vulcanized EPDM rubber
• Function: Vibration damping, stress relief, and position retention

Signs of Wear and Failure

Continuous thermal stress and environmental exposure can cause the rubber compound to harden, crack, or stretch over time. Common symptoms of a failing exhaust hanger include:

• Metallic knocking or rattling sounds from underneath the vehicle during acceleration or over uneven road surfaces
• Unusual sagging or asymmetrical alignment of the exhaust pipe
• Pronounced resonance and vibration in the cabin at idle or under load
• Cracking at connection points or welds due to excessive exhaust movement

Vehicle Compatibility

• Toyota Land Cruiser 100 (J100) 4.5 [1998 - ...] – SUPPORT, EXHAUST PIPE, NO.1 (FZJ105, 1FZFE)
• Toyota RAV4 (XA10) 2.0 [1995 - 1997] – SUPPORT, EXHAUST PIPE, NO.1 (SXA10, 3SFE)