4K9984 Idler Shaft Fits CAT Fits Caterpillar Industrial Construction D4D model-936004 YT15H Replaces Part Number(s): 82016157

Replaces Part Number(s): 82016157

Note: Fitment on select models (133

Outlet Length: 12"

One New Aftermarket Replacement Water Pump (with Hub) Fits Case IH Tractor Models: 2090

118 in (130 mm)

4K9984 Idler Shaft Fits CAT Fits Caterpillar Industrial Construction D4D model-936004 YT15H Replaces Part Number(s): 82016157One New Aftermarket Replacement Idler Shaft Fits Caterpillar (Fits CAT) D4D Track Type Tractor This aftermarket replacement front idler shaft is Fits Caterpillar (Fits CAT) D4D track type tractor (dozer). The idler shaft is a critical undercarriage component that supports the front idler assembly, maintaining proper track tension and guiding the track chain for stable, efficient operation. Replaces OEM Fits Caterpillar part number 4K9984 (also