OER 939899 Features:

Reproduction of the application specific, factory-style thermal fan clutch for various 1969-75 Chevrolet models with long water pump. Each fan clutch is designed to replicate the original in design, appearance, and fitment. Includes mounting hardware. 2.75" from mounting plate to edge of clutch, 2 1/8" outer hole to hole on water pump. 3.25" outer hole to outer hole for fan, and 6" diameter. Original GM part number # 4939899. Fan Clutch Specifications: 2-3/4" shaft (mounting plate to edge of clutch) 2-1/8" water pump bolt spacing 3 1/4" fan bolt spacing 6" clutch diameter Type: Thermal For Long Water Pump 2-3/4" shaft (mounting plate to edge of clutch) 2-1/8" water pump bolt spacing 3 1/4" fan bolt spacing 6" clutch diameter Type: Thermal For Long Water Pump