Description
Comparison points and tradeoffs
When comparing Load Boss 9875 Air Spring – Replaces Navistar 3541731C1 & Firestone W01-358-9875 with other Air Suspension Kits options, use this source-backed detail as the primary discriminator: Referenced part number: FLNC12MM.
Use this second fact to evaluate the tradeoff: 9875 Air Spring – Replaces Navistar 3541731C1 & Firestone W01-358-9875 Note: No external threads on the air stud – Two dimples on the top plate Manufacturer: Load Boss Load Boss Bellows Number: LB9875 Goodyear Bellows Number: 566-24-3-066 Goodyear Part Number: 1R12-432 Firestone Bellows Number: 1T15MT-9 Firestone Part Number: W01-358-9875 Replaces: Navistar 3541731C1 Cross References: W013589875, W01 358 9875, 1R1243. A third point to compare across alternatives is: For Reference On Nut See Automann Part Number: FLNC12MM.
Alternative-selection boundary
Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.
Complete source-backed product details
9875 Air Spring – Replaces Navistar 3541731C1 & Firestone W01-358-9875 Note: No external threads on the air stud – Two dimples on the top plate Manufacturer: Load Boss Load Boss Bellows Number: LB9875 Goodyear Bellows Number: 566-24-3-066 Goodyear Part Number: 1R12-432 Firestone Bellows Number: 1T15MT-9 Firestone Part Number: W01-358-9875 Replaces: Navistar 3541731C1 Cross References: W013589875, W01 358 9875, 1R12432, AS9875, 350243C94, 3541731C1, S-20610, W01-358-1191, 2514460C1
Source product highlights
- Goodyear Bellows Number: 566-24-3-066, Goodyear Part Number: 1R12-432
- Firestone Bellows Number: 1T15MT-9, Firestone Part Number: W01-358-9875
- Replaces: Navistar 3541731C1
- Cross References: W013589875, W01 358 9875, 1R12432, AS9875, 350243C94, 3541731C1, S-20610, W01-358-1191, 2514460C1
- One M12 X 1.75 Metric Nut Is Required For Bottom Stud (Not Included) Do Not Use A 1/2″ Nut On Bottom Stud
- For Reference On Nut See Automann Part Number: FLNC12MM




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