MAHLE Throttle Housing O-Ring for Mercedes-Benz C-Class/E-Class/S-Class & more (1998–2010)

This MAHLE throttle housing o-ring (part number G31955) seals the throttle body to the intake; a hardened or cracked seal lets unmetered air past the throttle and can cause rough idle or fault codes. It fits Mercedes-Benz C-Class/E-Class/S-Class/CLK-Class/CLS-Class applications listed in the fitment table below. MAHLE, founded in Stuttgart in 1920, pioneered light-alloy and ring-carrier piston technology and supplies pistons, rings, bearings, gaskets, and filtration to OE engine programs worldwide.

Technical Details

• Manufacturer part number: G31955
• Part type: Throttle Housing O-Ring
• Vehicle system: throttle housing sealing surface

Fitment & Compatibility

Use the fitment table below to confirm year, make, model, submodel, and any application notes before ordering.

PMB Performance has more than 20 years of experience with European performance parts and fitment. Send us your VIN or part number if you want this confirmed before ordering.