Perkins service kit T407779 for use with Electrical Power (genset) 1506A-E88TAG5 engines, containing all the parts required for one 500 and one 1000 hour service as recommended in the Operation and Maintenance Manual. All the parts packaged as one easy to use kit, simple re-order with one part number, servicing with genuine Perkins Parts increases your engine performance and productive life. Includes oil, fuel and air filters, rocker / valve train gasket for valve clearance check and fan belt for preventative maintenance. Contains: 4587260 x2, 4587259 x2, 4642410 x 1 (Air Filter), 4590657 x 1 (V Belt), T401806 x 1 (Rocker CVR Gasket). For use on serial numbers LGEF1011 serial numbers, check contents appropriate before purchase.