{"product_id":"bbtv-2n4078-engine-piston-ring","title":"BBTV 2N4078 Engine Piston Ring","description":"\u003ch2\u003eEngine piston ring for Mercedes-Benz V8 applications\u003c\/h2\u003e\u003cp\u003eThis engine piston ring is built around a 3.819-inch bore and standard size dimensions for specific Mercedes-Benz V8 applications. It uses a nitrided top ring, chrome-treated oil ring, and phosphate-treated second ring to match the listed groove specifications and ring materials.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStandard size piston ring set for a 3.819-inch bore\u003c\/li\u003e\n\u003cli\u003eNitrided top ring for added surface durability\u003c\/li\u003e\n\u003cli\u003eSteel rail and stainless expansion oil ring construction\u003c\/li\u003e\n\u003cli\u003eChrome-treated first oil groove and phosphate-treated second ring surface\u003c\/li\u003e\n\u003cli\u003eFits Mercedes-Benz G500, ML500, E500, S500, and related applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed description\u003c\/h2\u003e\u003cp\u003ePart number 2N4078 is an engine piston ring designed for Mercedes-Benz applications that use a 97.00 mm bore and the listed groove dimensions. The ring package combines stainless steel, ductile iron, and steel rail materials to support the cylinder sealing and oil control requirements of the engine. Fitment includes Mercedes-Benz G500, ML500, E500, S500, SL500, E55 AMG, and other listed models across the 1998-2008 range. Part number 2N4078 is also cross-referenced to Monroe Shocks \u0026amp; Struts 08-106300-01 and 113 030 03 24 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat this part is used for\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestoring cylinder compression when ring wear has increased blow-by\u003c\/li\u003e\n\u003cli\u003eAddressing oil consumption caused by worn or damaged rings\u003c\/li\u003e\n\u003cli\u003eReplacing rings that no longer match the specified bore and groove dimensions\u003c\/li\u003e\n\u003cli\u003eCorrecting sealing issues during engine rebuild or overhaul work\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation notes and tips\u003c\/h2\u003e\u003cp\u003eVerify bore size, groove width, and engine application before installation. The listed fitment includes multiple Mercedes-Benz models with different year ranges, so confirm the exact engine configuration against the vehicle and the notes provided. Clean ring grooves thoroughly and inspect cylinder condition before assembly.\u003c\/p\u003e\u003ch2\u003eQuality assurance\u003c\/h2\u003e\u003cp\u003eUse the listed dimensions and material specifications to confirm proper application before installation. Part number 2N4078 is specified for the fitments shown and should be matched carefully to the engine bore and groove measurements.\u003c\/p\u003e","brand":"BBTV","offers":[{"title":"Default Title","offer_id":53669306138805,"sku":"BBTV-2N4078","price":129.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/HA_2N4078_Fro.jpg?v=1793686825","url":"https:\/\/www.partcatalog.com\/products\/bbtv-2n4078-engine-piston-ring","provider":"PartCatalog","version":"1.0","type":"link"}