{"product_id":"samson-pm4-major-air-motor-repair-kit-734955","title":"Samson PM4 Major Air Motor Repair Kit #734955","description":"\u003cdiv class=\"gleam-quick-specs\" style=\"background: #f5f5f5; border-radius: 5px; padding: 16px 20px; margin: 0 0 16px 0; font-family: Roboto,sans-serif;\" role=\"region\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #283c92; font-size: 16px; margin: 0 0 12px 0; border-bottom: 2px solid #283c92; padding: 0 0 6px 0;\"\u003eSpecifications\u003c\/div\u003e\n\u003cdiv class=\"gleam-tablewrap\" style=\"overflow-x: auto; margin: 0; padding: 0;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border-spacing: 0; font-size: 14px; margin: 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 7px 12px; font-weight: 600; color: #283c92; width: 45%;\"\u003eSamson Part #\u003c\/td\u003e\n\u003ctd style=\"padding: 7px 12px;\"\u003e734955\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #eef0f9;\"\u003e\n\u003ctd style=\"padding: 7px 12px; font-weight: 600; color: #283c92;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"padding: 7px 12px;\"\u003eMajor Air Motor Repair Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 7px 12px; font-weight: 600; color: #283c92;\"\u003ePump Series\u003c\/td\u003e\n\u003ctd style=\"padding: 7px 12px;\"\u003ePumpMaster 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #eef0f9;\"\u003e\n\u003ctd style=\"padding: 7px 12px; font-weight: 600; color: #283c92;\"\u003eFits\u003c\/td\u003e\n\u003ctd style=\"padding: 7px 12px;\"\u003ePM4 3:1, 5:1 \u0026amp; 8:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 7px 12px; font-weight: 600; color: #283c92;\"\u003eService Area\u003c\/td\u003e\n\u003ctd style=\"padding: 7px 12px;\"\u003ePneumatic Air Motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #eef0f9;\"\u003e\n\u003ctd style=\"padding: 7px 12px; font-weight: 600; color: #283c92;\"\u003eKey Components\u003c\/td\u003e\n\u003ctd style=\"padding: 7px 12px;\"\u003eAir Piston, Bushing, Bottom Plate, Cap, Springs \u0026amp; Seal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gleam-description\" style=\"font-family: Roboto,sans-serif; color: #333; max-width: 900px;\"\u003e\n\u003ch2 style=\"color: #283c92; font-size: 18px; margin-top: 0;\"\u003eSamson PumpMaster 4 Major Air Motor Repair Kit #734955\u003c\/h2\u003e\n\u003cp\u003eGenuine Samson major air motor repair kit for PumpMaster 4 pumps in 3:1, 5:1, and 8:1 configurations. Part #734955 provides major wear and operating components used when rebuilding the PM4 pneumatic air-drive section.\u003c\/p\u003e\n\u003cp\u003eSamson's service documentation identifies components including the air piston, bushing, bottom plate, cap, air-motor springs, and sealing components. It is intended for more extensive air-motor service than the separate muffler\/filter kit.\u003c\/p\u003e\n\u003cdiv style=\"background: #eef0f9; border-radius: 5px; padding: 16px 20px; margin: 16px 0;\"\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eQuestions before ordering? Call \u003ca href=\"tel:+18178653707\" style=\"color: #283c92; font-weight: 600;\"\u003e(817) 865-3707\u003c\/a\u003e and our team will help confirm the correct PM4 air-motor repair kit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color: #283c92; font-size: 15px; border-bottom: 2px solid #283c92; padding-bottom: 6px;\"\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px;\"\u003eSamson currently lists #734955 for PumpMaster 4 \u003cstrong\u003e3:1, 5:1, and 8:1\u003c\/strong\u003e pumps. This kit services the pneumatic air motor rather than the lower fluid section.\u003c\/p\u003e\n\u003cdiv class=\"gleam-faq\" role=\"region\"\u003e\n\u003ch3 style=\"color: #283c92; font-size: 16px; border-bottom: 2px solid #283c92; padding-bottom: 6px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdiv style=\"border: 1px solid #e0e0e0; border-radius: 5px; margin-bottom: 10px; overflow: hidden;\"\u003e\n\u003ch3 style=\"background: #eef0f9; color: #283c92; margin: 0; padding: 14px 18px; font-size: 15px;\"\u003eWhich PM4 ratios use #734955?\u003c\/h3\u003e\n\u003cp style=\"padding: 14px 18px; margin: 0; font-size: 14px; line-height: 1.7; color: #333;\"\u003eSamson lists this major air motor repair kit for PM4 3:1, 5:1, and 8:1 pumps.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #e0e0e0; border-radius: 5px; margin-bottom: 10px; overflow: hidden;\"\u003e\n\u003ch3 style=\"background: #eef0f9; color: #283c92; margin: 0; padding: 14px 18px; font-size: 15px;\"\u003eWhat components are included?\u003c\/h3\u003e\n\u003cp style=\"padding: 14px 18px; margin: 0; font-size: 14px; line-height: 1.7; color: #333;\"\u003eThe PM4 service manual identifies major air-motor components including the air piston, bushing, bottom plate, cap, springs, and an O-ring.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #e0e0e0; border-radius: 5px; margin-bottom: 10px; overflow: hidden;\"\u003e\n\u003ch3 style=\"background: #eef0f9; color: #283c92; margin: 0; padding: 14px 18px; font-size: 15px;\"\u003eDoes this rebuild the fluid section?\u003c\/h3\u003e\n\u003cp style=\"padding: 14px 18px; margin: 0; font-size: 14px; line-height: 1.7; color: #333;\"\u003eNo. This is an air-motor repair kit. Fluid-section seals, piston components, and lower-end components use separate PM4 repair kits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Which PM4 ratios use #734955?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Samson lists this major air motor repair kit for PM4 3:1, 5:1, and 8:1 pumps.\"}},{\"@type\":\"Question\",\"name\":\"What components are included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The PM4 service manual identifies major air-motor components including the air piston, bushing, bottom plate, cap, springs, and an O-ring.\"}},{\"@type\":\"Question\",\"name\":\"Does this rebuild the fluid section?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. This is an air-motor repair kit. Fluid-section seals, piston components, and lower-end components use separate PM4 repair kits.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n.gleam-quick-specs .gleam-tablewrap,.gleam-quick-specs .table-wrapper{margin:0!important;padding:0!important;}\n.gleam-quick-specs table{margin:0!important;padding:0!important;border-spacing:0!important;border-collapse:collapse!important;}\n.gleam-quick-specs table tbody,.gleam-quick-specs table tr{margin:0!important;padding:0!important;height:auto!important;}\n.gleam-quick-specs table td,.gleam-quick-specs table th{padding:7px 12px!important;line-height:1.35!important;height:auto!important;vertical-align:middle!important;}\n.gleam-quick-specs{padding:16px 20px!important;margin-bottom:16px!important;}\n\u003c\/style\u003e","brand":"Samson","offers":[{"title":"Default Title","offer_id":53663691931941,"sku":"ALMSAM734955","price":69.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/0037\/9685\/files\/Samson_OEM-Part.jpg?v=1787192936","url":"https:\/\/alamoequipment.com\/products\/samson-pm4-major-air-motor-repair-kit-734955","provider":"Alamo Equipment Service","version":"1.0","type":"link"}