道奇RAM250柴油尿素泵模块 4077501AF/68192659AC 原装位替换

Dodge RAM 2500/3500/4500/5500 series diesel models’ urea pump module, OEM number 4077501; may replace 68192659AF and later suffix versions. The module uses corrosion-resistant alloy housing and high-temperature fluororubber seals to counter urea crystallization and high temperatures, ensuring SCR system precisely controls urea spray pressure and reduces NOx. Installation difficulty medium; professional technician recommended to ensure hose seals and electrical connections are correct. If the vehicle shows emissions warning light or power loss, check for blockages or leaks in this module.