【Easy Installation】With its compact dimensions of 55mm x 38mm, this oil filter is . remove the old filter and replace it with the new , a secure and proper fit. 【Perfect Replacement】Designed as a perfect replacement for the 389 and 489 models, this oil filter replaces the filter with ease. It maintains the optimal performance of your lawn mower and keeps it running smoothly. 【 Construction】Crafted with materials, this oil filter is built to last. It can withstand harsh conditions and heavy use, long-lasting performance and reliability. 【Efficient Filtration】The oil filter element 429F ensures efficient filtration of fuel and oil, providing clean and pure fuel for your lawn mower. It effectively removes dirt, debris, and impurities, extending the lifespan of your machine and improving its overall performance.