{"product_id":"15-01271","title":"ROTAX 842-639 HEX NECK NUT SET 5\/16-20 UN","description":"\u003cp\u003e- Items not illustratedA For version 2 with narrow dog gear (22 mm \/ 0.87 in.)B For version 3 with narrow dog gear (22 mm \/ 0.87 in.)C For version 4 with narrow dog gear (22 mm \/ 0.87 in.)D For version 2 with wide dog gear (27 mm \/ 1.06 in.); For 914 use only from following engine S\/N: 914 F: 4420164 \/ 914 UL: 4417791E For version 3 with wide dog gear (27 mm \/ 1.06 in.); For 914 use only from following engine S\/N: 914 F: 4420164 \/ 914 UL: 4417791F For version 4 with wide dog gear (27 mm \/ 1.06 in.); For 914 use only from following engine S\/N: 914 F: 4420164 \/ 914 UL: 4417791G Replacement for 887-701 with wide dog gearH Replacement for 887-706 with wide dog gearI Replacement for 887-711 with wide dog gearJ Replacement for 887-680 with wide dog gearK Replacement for 888-565 with wide dog gear a Drive gear 22 T. and reduction gear 50 T. are paired and must be replaced together and marked with S\/N. See SL-912-002 resp. SL-914-002.b Drive gear 21 T. and reduction gear 51 T. are paired and must be replaced together and marked with S\/N. With wide dog gear (27 mm \/ 1.06 in.); See SL-912-002 resp. SL-914-002; For 914 use only from following engine S\/N: 912 S: starting with serial production \/ 912 ULS: starting with serial production \/ 914 F: 4420164 \/ 914 UL: 4417791c For model 2 marked with S\/Nd For model 3 marked with S\/Ne For model 4 marked with S\/Nf For gear sets part no. 886-125 and 886-517; (narrow versions)g For gear set part no. 886-518; (wide version)h Drive gear 21 T. and reduction gear 51 T. are paired and must be replaced together and marked with S\/N. With thin dog gear (22 mm \/ 0.87 in.); See SL-912-002 resp. SL-014-002; For 914 use only up to S\/N: 914 F: 4420163 \/ 914 UL: 4417790i Do not use at version with auxiliary alternator; only available as a set (includes 6 pieces).j Only when a governor is used; Version without governor: 2x940.591; with governor: see chapt. 61-20-00l Dog hub with extended hubm With additional bores to drain leadn Increased support bearing diametero See SL-912-002 current issuep Gearbox with oil spray nozzle. Starting with Gearbox SN 74000.q Replaced by hex. torx screw part no. 940077.Explanations of symbols and statements in part number charts:N = Newly introduced part numbers.v. = Still valid. Part was replaced by compatible component and can not be supplied any longer by the producer. Existing stock may be used.AR = As required. This generally refers to shims, hose, wires, and cable. Measure the amount you need before ordering. Many times there will be multiple listings of different lengths with the same part number. Use individual part descriptions to determine the proper length needed.n.a or NLA = No longer available, no replacement from Rotax. Part is no longer available due to incompatibility to current production or unavailability of part.CALL = Please call for price, 800-247-9653\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 842-639\u003c\/p\u003e","brand":"Aircraft Spruce","offers":[{"title":"Default Title","offer_id":54272409862486,"sku":"15-01271","price":73.01,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/0164\/3606\/files\/912914gearbox.jpg?v=1782073193","url":"https:\/\/www.aircraftpartseurope.com\/products\/15-01271","provider":"Aircraft Parts Europe","version":"1.0","type":"link"}