15774.400 FOOT VALVE FOOTVALVE LB LB500 HINO CWA45 UD NISSAN 1G6503 47160-1180 471601180 JV5080SFOOT VALVE FOOTVALVE LB LB500 HINO CWA45 UD NISSAN 1G6503 47160 1180 471601180 JV5080S EVEN WHEN YOU FIT A BRAND NEW VALVE , THERE IS ALWAYS THE CHANCE THAT IT LEAK WITHIN A WEEK , A MONTH OR A YEAR , AS TRUCKS AIR LINES GET OLDER THE CHANCE OF SCALE AND RUBBISH IN THE BRAKE PIPES INCREASES AND INCREASES A LOT WHEN THERE IS MOISTURE IN THE SYSTEM, SO, OTHER THAN REPLACEING "ALL" THE BRAKE PIPES THERE IS NOT A LOT YOU CAN DO. HOWEVER , THERE ARE IN