{"id":1912,"date":"2026-10-08T16:32:29","date_gmt":"2026-10-08T16:32:29","guid":{"rendered":"https:\/\/valmyfrance.com\/catalogue-produit\/cylinder-o-ring-claas-633531\/"},"modified":"2026-10-10T16:38:36","modified_gmt":"2026-10-10T16:38:36","slug":"cylinder-o-ring-claas-633531","status":"publish","type":"catalogue-produit","link":"https:\/\/valmyfrance.com\/en\/parts\/cylinder-o-ring-claas-633531\/","title":{"rendered":"Claas cylinder O-ring"},"content":{"rendered":"\n

The Claas cylinder O-ring provides the static seal of the hydraulic cylinder. Crushed or hardened, it lets oil through and the cylinder loses pressure.<\/p>\n\n\n\n

Compatible models:<\/strong> Claas Dominator combine harvesters.<\/p>\n\n\n\n

Specifications:<\/strong> inner diameter 30.2 mm, cross-section 3 mm.<\/p>\n\n\n\n

OEM part number:<\/strong> 633531.<\/p>\n\n\n\n

Part sold under the Valmy France brand. Replace all the cylinder seals at the same time: we can price them on the same quote.<\/p>\n\n\n\n\n\n\n\n

A cylinder O-ring works under constant pressure. Hardened or crushed, it lets oil through and the cylinder no longer holds its position.<\/p>\n\n\n\n

Identifying your Claas O-ring<\/h3>\n\n\n\n

This seal fits the cylinders of Claas Dominator combine harvesters. Its inner diameter is 30.2 mm and its cross-section 3 mm. If in doubt, send us the part number or the dimensions from the contact page<\/a>.<\/p>\n\n\n\n

Fitting it correctly<\/h3>\n\n\n\n

Dismantle the cylinder, clean the grooves and check the condition of the rod. Lightly oil the new seal and fit it without twisting it. Replace all the cylinder seals at the same time, then bleed the air from the circuit before work.<\/p>\n\n\n\n

Why choose Valmy France<\/h3>\n\n\n\n

We work directly, at a fair price, and we are happy to price all the cylinder seals on the same quote. See also the Claas hydraulic fitting<\/a> and our other agricultural hydraulic parts<\/a>.<\/p>\n\n\n\n

\"Claas<\/figure>\n\n\n\n
\"Claas<\/figure>\n\n\n\n
\"Claas<\/figure>\n","protected":false},"excerpt":{"rendered":"

The Claas cylinder O-ring provides the static seal of the hydraulic cylinder. Crushed or hardened, it lets oil through and the cylinder loses pressure. Compatible models: Claas Dominator combine harvesters. Specifications: inner diameter 30.2 mm, cross-section 3 mm. OEM part number: 633531. Part sold under the Valmy France brand. Replace all the cylinder seals at […]<\/p>\n","protected":false},"featured_media":1601,"template":"","meta":{"_acf_changed":false,"_yoast_wpseo_focuskw":"Claas cylinder O-ring","_yoast_wpseo_title":"Claas cylinder O-ring 633531 | Valmy France","_yoast_wpseo_metadesc":"Claas hydraulic cylinder O-ring, inner \u00d8 30.2 mm, 3 mm cross-section, for Claas Dominator combine harvesters. Part no. 633531. Quote on request.","vignette_catalogue":1826,"ref_vf":"VF340002","ref_constructeur":"633531","compatibilite":"Claas Dominator","illustration":""},"categorie-de-produit":[12],"marque":[35],"class_list":["post-1912","catalogue-produit","type-catalogue-produit","status-publish","has-post-thumbnail","hentry","categorie-de-produit-hydraulique"],"acf":{"ref_vf":"VF340002","ref_constructeur":"633531","compatibilite":"Claas Dominator","illustration":""},"yoast_head":"\nClaas cylinder O-ring 633531 | Valmy France<\/title>\n<meta name=\"description\" content=\"Claas hydraulic cylinder O-ring, inner \u00d8 30.2 mm, 3 mm cross-section, for Claas Dominator combine harvesters. Part no. 633531. 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