Baldwin BT40015 cross reference
Air Breather Spin-on
Parts listed as equivalent to the Baldwin BT40015. Checked 2026-11-11. Confirm thread size, gasket and length against your old part before installing, and follow your engine maker's spec.
What it fits
Caterpillar Excavators, Loaders, Off-Highway Trucks
As published in Baldwin Product Guide (Form 562-25). Check your exact engine before buying.
Direct matches
- Caterpillar 9C4937
Listed together on: Baldwin Product Guide (Form 562-25)