{"product_id":"volvo-fh-fm-fmx-truck-vcb-engine-brake-control-valve-21596642-veb-system-module","title":"Volvo FH FM FMX Truck VCB Engine Brake Control Valve 21596642 | VEB+ System Module","description":"\u003cdiv class=\"oemany-lab-product\"\u003e\n  \u003ch3\u003e\u003cstrong\u003ePremium VCB Engine Compression Brake Control Valve for Volvo D11, D13, \u0026amp; D16\u003c\/strong\u003e\u003c\/h3\u003e\n  \u003cp\u003eThe 21596642 is a high-precision hydraulic control module designed for the Volvo Compression Brake (VCB) and VEB+ systems. This critical engine-mounted valve regulates the oil flow to the rocker arm shaft, enabling the engine's auxiliary braking function by modifying exhaust valve timing and lift. Specifically engineered for Volvo FH, FM, and FMX series trucks, as well as heavy construction machinery, this valve provides the immense retarding power necessary for safe operation on steep descents under full GVW load.\u003c\/p\u003e\n  \n  \u003chr\u003e\n  \n  \u003ch4\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMain OE Part Number:\u003c\/strong\u003e 21596642\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInterchangeable Numbers:\u003c\/strong\u003e 20574690, 20574700, 21452473, 21596640, 21370052\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Volvo FH\/FM\/FMX Trucks (D11, D13, D16); Volvo Construction (A35G, A40G, EC750D)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSystem Type:\u003c\/strong\u003e VEB (Volvo Engine Brake) \/ VCB Control\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24V Heavy-Duty System Integration\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBuild:\u003c\/strong\u003e High-Pressure Precision Cast Housing with Hardened Internal Spool\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr\u003e\n\n  \u003cdiv class=\"lab-insight\" style=\"background-color: #f0f4f8; padding: 15px; border-left: 5px solid #0056b3;\"\u003e\n    \u003ch4\u003e\u003cstrong\u003e🔬 OEMANY Laboratory Insight:\u003c\/strong\u003e\u003c\/h4\u003e\n    \u003cp\u003eVCB control valves operate within the engine's oil environment, making them susceptible to \"Solenoid Burnout\" due to thermal cycling and \"Plunger Scuffing\" from oil contaminants. Our \u003cstrong\u003eOEMANY Laboratory\u003c\/strong\u003e sourcing ensures the 21596642 unit features \u003cstrong\u003eAerospace-Grade Hard-Anodized Spools\u003c\/strong\u003e, which resist wear even under high-frequency activation in stop-and-go mountain transport. We have verified the \u003cstrong\u003eHydraulic Sealing Integrity\u003c\/strong\u003e at pressures up to 50 bar, ensuring that the engine brake engages and disengages instantly without residual pressure buildup, protecting your valve train from accidental mechanical contact.\u003c\/p\u003e\n    \u003cp\u003e\u003cem\u003eContact \u003ca href=\"https:\/\/wa.me\/8618624038138\"\u003eWhatsApp +86 18624038138\u003c\/a\u003e for technical support and engine brake system troubleshooting guides.\u003c\/em\u003e\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"oemaxive","offers":[{"title":"Default Title","offer_id":46124357845188,"sku":null,"price":300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/2438\/5732\/files\/H0f4aefed7f8346cab33f064c996d306cY.jpg?v=1778153480","url":"https:\/\/oemany.com\/products\/volvo-fh-fm-fmx-truck-vcb-engine-brake-control-valve-21596642-veb-system-module","provider":"oemaxive","version":"1.0","type":"link"}