ZF 1316304078 Sliding Sleeve 1st 2nd Gear

This synchronizer sliding sleeve engages the 1st and 2nd gears within ZF 16-speed manual transmissions of the ECOSPLIT 2 and 3 series. Manufactured from forged alloy steel with case-hardened splines and friction surfaces to achieve a surface hardness of 58 HRC minimum. Designed for high-torque heavy-duty commercial vehicle applications requiring precise shift engagement and extended service life. Direct OEM replacement for ZF part numbers 1316304078, 1310304063, and 1310304067. Compatible with ZF transmission models 16S150, 16S151, 16S220, and 16S221. Interchanges with major truck OEM references including Mercedes-Benz 0002627623, Volvo 3096855 and 1662742, DAF 1360725 and 5001854408, Iveco 42534633 and 93160381, MAN 81324020189, and Renault 5001854408. Validated for 500,000 plus shift cycles under full load conditions.