The Eaton Fuller 21502 is the mainshaft low gear (1st speed) used in the Mainshaft Assembly of Fuller RTLO, RTX, and RTXF series transmissions. Cross-references include 21502-SP, S-7410, 1114086 (Volvo), and 3088-21502 (Mack), giving you multiple ways to confirm this is your part. Verified fitment covers the Fuller 16709 series, 16718 RT series, and 18718 series transmissions, with specific coverage in manuals for RTLO-16718B, RTLO-18718B, RTLOF-16718B, RTLOF-18718B, RTX-14609P, RTX-14609R, RTX-16709B, RTXF-14609P, RTXF-14609R, and RTXF-16709B. Sold by Pro Gear and Transmission. Call us to confirm fit for your specific unit.
Features
Eaton Fuller OEM part number 21502, also cataloged as 21502-SP and S-7410
Functions as the mainshaft low (1st speed) gear in the Mainshaft Assembly
Fits RTLO-16718B, RTLO-18718B, RTLOF-16718B, RTLOF-18718B, RTX-16709B, RTX-14609P, RTX-14609R, RTXF-14609P, RTXF-14609R, and RTXF-16709B
Cross-references Mack 3088-21502 and Volvo 1114086
Sold individually (qty 1 each) by Pro Gear and Transmission
