{"product_id":"2011-2016-duramax-6-6l-lml-essential-reman-long-block","title":"2011-2016 Duramax 6.6L LML Essential Reman Long Block","description":"\u003ch6\u003eDescription\u003c\/h6\u003e\n\u003cp\u003eThe Essential Long Block is D\u0026amp;J Precision Machine's cost-effective replacement engine for 2011-2016 GM 6.6L LML Duramax trucks. Each engine is fully torn down, CNC machined and rebuilt with new Tier 1 pistons and rings, remanufactured heads with L5P-style valve stem seals, Tier 1 MLS head gaskets and a keyed crank and cam. It is a focused long block that lets you reuse your external parts, built for daily drivers, tow rigs and work trucks, and every engine is tested in-house before it ships.\u003c\/p\u003e\n\n\u003ch6\u003eFeatures\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eRemanufactured Long Block: Fully rebuilt to D\u0026amp;J Precision Machine specifications for a reliable replacement engine.\u003c\/li\u003e\n\u003cli\u003ePrecision Machined: CNC blueprinted, bored, honed, and deck surfaced for precise cylinder geometry and proper piston fit. Each crankshaft is checked for straightness and size and repaired as needed.\u003c\/li\u003e\n\u003cli\u003eNew OEM-Spec Tier 1 Pistons and Rings: Provides a high-quality piston and ring package for proper fit, sealing, and consistent engine performance.\u003c\/li\u003e\n\u003cli\u003eRemanufactured Cylinder Heads: Resurfaced and fitted with recut valve seats and new valves for proper sealing and reliable valve operation. The upgraded L5P top-hat valve stem seal design helps prevent valve seal failure and improve long-term durability.\u003c\/li\u003e\n\u003cli\u003eTier-1 Head Gaskets: Provides reliable cylinder sealing to help address common LML head gasket failure.\u003c\/li\u003e\n\u003cli\u003eKeyed Crankshaft and Camshaft: Addresses a known failure point by providing positive mechanical retention between the shaft and gear, helping prevent unwanted movement and related component failure.\u003c\/li\u003e\n\u003cli\u003eNew Bearings and Thrust Washers: Restores proper internal clearances and supports reliable engine operation.\u003c\/li\u003e\n\u003cli\u003eNew Valves: New high-quality valves provide reliable sealing and consistent valve operation for improved long-term durability and performance.\u003c\/li\u003e\n\u003cli\u003eNew Valve Springs: Restores proper valvetrain operation and performance.\u003c\/li\u003e\n\u003cli\u003ePrecision Assembly: Critical engine dimensions and clearances are verified throughout the build for consistent quality.\u003c\/li\u003e\n\u003cli\u003eIn-House RMC Engine Testing: Before shipment, every engine is mounted on D\u0026amp;J's dynamic engine test system and rotated at speed while sensors measure oil pump pressure and volume, cylinder compression, and cooling system integrity. This lets D\u0026amp;J catch internal issues in-house, before the engine ever reaches your truck.\u003c\/li\u003e\n\u003cli\u003eBuilt for Everyday Use: Designed to provide reliable performance for everyday driving, and towing applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eWhat's Included\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eRocker assembly\u003c\/li\u003e\n\u003cli\u003eUpper gasket kit\u003c\/li\u003e\n\u003cli\u003eLower gasket kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eInstallation\u003c\/h6\u003e\n\u003cp\u003eApproximate installation time: 25 hours.\u003c\/p\u003e\n\n\u003ch6\u003eCore Charge\u003c\/h6\u003e\n\u003cp\u003eA refundable core charge applies to this long block. The core deposit is refunded once a complete, rebuildable core is returned and accepted by D\u0026amp;J Precision Machine.\u003c\/p\u003e\n\n\u003ch6\u003eWarranty\u003c\/h6\u003e\n\u003cp\u003e24 months \/ 100,000 miles parts and 24 months labor through D\u0026amp;J Precision Machine. For warranty claims or issues, contact D\u0026amp;J Precision Machine directly at 740-297-7223.\u003c\/p\u003e\n\n\u003ch6\u003eManufacturer Description\u003c\/h6\u003e\n\u003cp\u003eThe D\u0026amp;J Precision Machine Essential Long Block is a replacement engine solution for 2011-2016 GM 6.6L LML Duramax applications. Each engine is completely disassembled, cleaned, inspected, precision machined, and rebuilt to D\u0026amp;J Precision Machine specifications.\u003c\/p\u003e\n\u003cp\u003eThe block is precision machined and matched with OEM-spec Tier 1 pistons and rings as required to achieve proper fit and performance. Cylinder heads are inspected and resurfaced with recut valve seats and new valves. The upgraded L5P top-hat valve stem seal design helps improve valve sealing and long-term durability. The engine is assembled with Tier-1 head gaskets and all-new bearings, thrust washers, lifters, valve springs, and freeze plugs.\u003c\/p\u003e\n\u003cp\u003eEach engine is measured and tested in-house using D\u0026amp;J Precision Machine’s RMC ETS test equipment before shipment. The engine undergoes a controlled test sequence to verify key operating conditions, including cylinder compression and coolant testing. This in-house testing allows D\u0026amp;J to identify potential issues before the engine leaves the facility, providing an additional level of quality control and helping ensure the completed long block is ready for installation and service.\u003c\/p\u003e\n\u003cp\u003eThe result is a professionally remanufactured LML Duramax long block designed to provide dependable performance for everyday driving and towing applications.\u003c\/p\u003e","brand":"D\u0026J Precision Machine","offers":[{"title":"Default Title","offer_id":67614533190000,"sku":"DJPLB100116","price":13299.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2084\/8209\/files\/image002.png?v=1790870458","url":"https:\/\/www.dirtydieselcustom.ca\/products\/2011-2016-duramax-6-6l-lml-essential-reman-long-block","provider":"Dirty Diesel Customs","version":"1.0","type":"link"}