The compressor on certain nitrogen-filled suspension systems fails from moisture intrusion and/or when the plastic piston wears. This Dorman OE FIX compressor features an aluminum piston, improved seals and upgraded thermal classification. Product Features:Additional protection - this upgraded nitrogen compressor includes a two-piece cast aluminum enclosure to prevent damage from exposure to extreme conditionsUpgraded components - this nitrogen compressor features improved seals, an aluminum internal piston in place of the original plastic piston, and upgraded thermal classificationComplete repair - new valve block, brackets, dryer, air filter boxes, sealed sound isolation shielding, wiring harness and connectors includedQuality tested - this part has undergone vehicle try-on, corrosion and material testing to ensure a quality fit and long service life
