The 4age timing belt idler tensioner and spring should be replaced when performing a timing belt replacement. These are both high-quality Toyota OEM parts and the tensioner has a quality Koyo bearing in it. Please use the drop menu to select the idler tensioner and spring individually or together as a set.
- These are both Toyota OEM parts!
- The idler tensioner and spring works on all 16v 4age engines including the AE86 and AW11.
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The idler tensioner also works on silver top 20v 4age engines but the spring only works on 16v engines!
