{"product_id":"cummins-standard-piston-ring-set-4941138","title":"Genuine Cummins 4941138 Standard Piston Ring Set | B3.3 QSB3.3 95mm","description":"\u003cp\u003eBring back factory-spec compression, control oil blow-by, and restore peak performance to your engine block with the \u003cb\u003eGenuine Cummins 4941138 Standard Piston Ring Set\u003c\/b\u003e. Precision-engineered for Cummins 3.3-liter industrial and off-highway diesel engine platforms, this authentic OEM kit features a 95mm standard bore configuration. Each single-cylinder set includes the top compression ring, an intermediate scraper ring, and an oil control ring designed to work in perfect harmony inside the cylinder liner. Choosing genuine factory-certified components ensures the exact radial wall tension required to optimize fuel economy, eliminate excessive oil consumption, and prevent premature cylinder scuffing under heavy workloads.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eComplete Single-Cylinder Set:\u003c\/b\u003e Includes the exact sequence of premium rings—top compression, intermediate scraper, and oil control—required to completely re-ring one standard factory piston.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eAdvanced Industrial Metallurgy:\u003c\/b\u003e Manufactured using high-strength hardened steel alloys and durable coatings to endure extreme combustion pressures and severe operating temperatures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePrecision 3.3L Fitment:\u003c\/b\u003e Optimally engineered for a flawless, drop-in fit on \u003cb\u003eCummins B3.3, QSB3.3, and QSB3.3 CM2150\u003c\/b\u003e industrial diesel engine platforms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEliminates Crankcase Blow-by:\u003c\/b\u003e Re-establishes a tight mechanical boundary to maximize cylinder combustion pressure, preventing horsepower loss and reducing unburnt emissions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cummins","offers":[{"title":"Default Title","offer_id":67012801986864,"sku":"4941138","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/2680\/1200\/files\/4941138.png?v=1781885401","url":"https:\/\/choateperformance.com\/products\/cummins-standard-piston-ring-set-4941138","provider":"choateperformance","version":"1.0","type":"link"}