Baldwin RS3988 cross reference
Radial Seal Outer Air Element
Parts listed as equivalent to the Baldwin RS3988. 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
Case, Caterpillar, Hitachi, Kubota, Mustang Equipment
As published in Baldwin Product Guide (Form 562-25). Check your exact engine before buying.
Direct matches
- Case 133720A1
Listed together on: Baldwin Product Guide (Form 562-25)
- Caterpillar 134-8726
Listed together on: Baldwin Product Guide (Form 562-25)
- Hitachi 4290940
Listed together on: Baldwin Product Guide (Form 562-25)
- John Deere AM129028
Listed together on: Baldwin Product Guide (Form 562-25)