This Volvo air dryer is a high-quality product, compatible with various Volvo truck models. The reference codes for this product are 70313304, 3194898, and 9957312-23. The air dryer is essential for maintaining the pneumatic brake system in optimal conditions, eliminating moisture from the compressed air and preventing water accumulation in the system. The inlet and outlet connectors are well insulated, ensuring a secure and efficient connection. This product is ideal for those looking to keep their vehicle in perfect working condition, ensuring a long lifespan and consistent performance of the braking system.