TOYOTA 17451-50050 Exhaust Pipe Gasket

The genuine OEM TOYOTA exhaust pipe gasket (part number 17451-50050) ensures a complete gas-tight seal between the mating surfaces of the exhaust system. This gasket prevents untreated exhaust gases from leaking while withstanding the extreme temperature fluctuations, pressure, and vibration present in the exhaust system.

Technical Specifications

• Manufacturer: TOYOTA
• Part Number: 17451-50050
• Part Type: Exhaust Pipe Gasket (Gasket, Exhaust Pipe)
• Fitting Position: Exhaust system, center pipe connection (Center)
• Material Construction: High-temperature and high-pressure resistant multi-layer metal/graphite composite construction for maximum service life

Vehicle Compatibility

• Toyota Land Cruiser 100 (J100) 4.2 TD [1998 - ...] (GASKET, EXHAUST PIPE, CENTER (HDJ100, 1HDFTE))
• Toyota Land Cruiser 100 (J100) 4.5 [1998 - 2002] (GASKET, EXHAUST PIPE, CENTER (UZJ100, 1FZFE))
• Toyota Land Cruiser 100 (J100) 4.7 [1998 - ...] (GASKET, EXHAUST PIPE, CENTER (UZJ100, 2UZFE))
• Toyota Lexus LX (J100) 4.7 [1998 - ...] (GASKET, EXHAUST PIPE, CENTER (UZJ100, 2UZFE))

Function and Signs of Failure

Installed between exhaust pipe flanges, the exhaust gasket provides mechanical stress relief and a gas-tight seal. Over time, due to continuous thermal expansion, corrosion, and aggressive combustion byproducts, the gasket material can burn out, lose elasticity, or mechanically deform.

Common symptoms indicating gasket failure include:

• Increased blowing, hissing, or rattling exhaust noise from beneath the vehicle, especially under acceleration
• Black soot deposits around the connecting flanges
• Exhaust gas odor entering the engine bay or passenger cabin
• Possible Check Engine warning light triggered by altered sensor readings due to exhaust gas leakage