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Powerflex PFR68-121BLK Engine Mount Insert. Smart ForTwo 450 (1998 - 2007). A small increase in NVH usually at idle should be expected when fitting an engine/transmission mount insert because you are effectively removing the original voiding and stiffening the mount between the engine/transmission and chassis.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.