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Post Onsite · Hardware & Fasteners
40263D
In stock · ships from Knoxville
This is a cylindrical helical compression spring manufactured by Navistar.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
We don't publish fitment for this part yet. Rather than guess, get it confirmed against your truck in under a minute.
It is designed to absorb and store energy, or to resist a compressive force, and then return to its original shape when the load is removed. You typically replace this type of spring when you notice cracking, corrosion, sagging, or a loss of tension that affects component performance. The part number 40263D references a specific national stock number (5360-00-364-6610), indicating it's a standardized military/industrial part often used in heavy-duty truck systems like brakes, clutches, or suspensions.
Part Number: 40263D
3 M/S 30 DEGREE S.R.
Unit: ea
Dealer: Post Onsite
Compatibility, alternatives, and more
