Volvo Engine Ignition Module 811637001 16129419 Replaces D1948A Direct Installation

Volvo engine ignition module designed for 2000-2007 S40, V50, C30, C70 and S60 models; fits 2.0L, 2.4L and T5 turbocharged engines, especially matching B4204, B5244 four-cylinder engines. This module precisely controls current pulses to ignition coils, ensuring spark plug ignition timing aligns with combustion, improving efficiency and power output. OEM numbers include 811637001, 16129419, D1948A, 16139739, 1989747 and 10469931 for cross-checking. Replacement difficulty is low; typically just disconnect battery negative, remove old module, and plug in new one; advisable to check spark plugs and high-tension wires as well. This KLP-brand factory-grade enclosure offers better cooling performance than most aftermarket parts, reducing premature failure risk; suitable for bulk repair stock.