5-124X universal joint for 1800 Series driveline service, with approximately 58.9 mm bearing cups and 167.5 mm overall span (market size 59×168 mm). Cross references include G5-124X, UJ335, 335, HS324, 1804, U-107, CP124XE, 6-0124 and 230-0124. Greaseable kit with four bearing cups, four retaining rings and a grease fitting; verify dimensions and yoke retention before ordering.