{"product_id":"bartell-21756-o-ring-oem-replacement-part-for-walk-behind-trowels","title":"Bartell 21756 O-Ring - OEM Replacement Part for Walk Behind Trowels","description":"\u003cp\u003eThis O-ring provides a critical fluid and air seal within the walk behind trowel assembly, preventing leaks that can lead to pressure loss, contamination, or premature wear of internal components. When an O-ring degrades, cracks, or takes a compression set, technicians will typically observe fluid seepage, erratic pressure behavior, or accelerated wear in adjacent sealing surfaces, all signs that immediate replacement is required to restore proper machine function.\u003c\/p\u003e\u003cp\u003eAs a genuine OEM part, this O-ring is manufactured to the exact dimensional and material specifications set by Bartell Global, ensuring a proper fit and reliable seal under the operating pressures and temperatures typical of walk behind trowel applications. Aftermarket substitutes often differ in durometer, cross-section diameter, or inner diameter tolerances, which can result in premature failure or an improper seal, making OEM spec critical for any load-bearing or fluid-sealing application. During routine maintenance or any disassembly of sealed housings or fluid circuits, always inspect O-rings for deformation, surface cracking, or flattening and replace as needed rather than reusing compressed seals.\u003c\/p\u003e\u003cp\u003eCompatible models:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eBC446\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eGenuine Bartell Global OEM part, sold by an authorized dealer.\u003c\/p\u003e","brand":"Bartell","offers":[{"title":"Default Title","offer_id":43412762656816,"sku":"21756","price":44.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6574\/7248\/files\/21756.jpg?v=1784314214","url":"https:\/\/cce-industries.com\/products\/bartell-21756-o-ring-oem-replacement-part-for-walk-behind-trowels","provider":"CCE Industries","version":"1.0","type":"link"}