Siderail tube design changed with Serial # W053AQ1955 and higher. This part is NOT backwards compatible. An upgrade kit will be necessary. Use part # 21329404
Siderail tube design changed with Serial # W053AQ1955 and higher. This part is NOT backwards compatible. An upgrade kit will be necessary. Use part # 21329401
Tube
Siderail Tube
Siderail End Tube
Siderail tube design changed with Serial # W053AQ1955 and higher. This part is NOT backwards compatible. An upgrade kit will be necessary. Use part # 21329406
Knee Crank Tube
Lower Tube & Bushing
Siderail Tube End
Replaced with part# 21329405, Siderail Upright Service Kit
Siderail tube design changed with Serial # W053AQ1955 and higher. This part is NOT backwards compatible. An upgrade kit will be necessary. Use part # 21329405
Siderail End Tube
Siderail tube design changed with Serial # W053AQ1955 and higher. This part is NOT backwards compatible. An upgrade kit will be necessary. Use part # 21329407
Weldment, Head Support Tube