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Front Strut For 2014-2019 Toyota Corolla 1.8LITER L4 172990 SR4479 172989 SR4478 The damping oil is rigorously tested in the lab for viscosity, density, high and low temperature function, etc. The spring has undergone over 600,000 continuous fatigue testing. The damper has undergone 3,000,000 fatigue durability tests, showing no oil leakage. The welded bracket has undergone 400,000 durability tests. The dust cover can pass 300,000 durability tests without breaking.
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.