1Applicable Model: This fuel cap primer bulb kit is compatible for Fuxtec FX RM1855, for Fuxtec FX RM1860, for Fuxtec FX RM2055, for Fuxtec FX RM2060, for Fuxtec FX RM2060PRO, for Fuxtec FX RM1630. Suitable for 95% of the mowers listed (models with for T375 T475 T575 engines). It is not suitable for T675 engines. 2Highly Matching: With exquisite manufacturing and reliable materials, this replacement fuel cap primer bulbkit can perfectly fit the original accessories of lawn mowers. 3Durable ABS: Made of ABS material with fine workmanship,this replacement fuel cap primer bulb kit is durable, not easy to damage, and greatly extend the service life. 4Fine Craftsmanship: Professional manufacturing, exquisite craftsmanship and high accuracy help deliver the best performance, effectively improve the working performance of lawn mower. 52 Set: There are 2 sets of replacement accessories, including two fuel caps and 2 primer bulbs, to meet your replacement and repairing needs.