About this part
Air spring bag / rubber bellows W01-358-7555 for heavy truck and trailer air suspension systems. Interchanges with FD331-26 480 (Continental/ContiTech); 2B12-440 (Goodyear). Supplied as a genuine new part, not remanufactured. Match the number cast or stamped on your existing bellows and confirm fitting dimensions before ordering. Availability, minimum quantity, lead time and packaging are confirmed with the quotation. The 12-month warranty is provided by DFM, not the original manufacturer.
Specifications
| Part number | W01-358-7555 |
| Condition | Genuine new part |
| Type | Rolling-lobe / convoluted air spring bellows |
| Cross-reference | FD331-26 480 (Continental/ContiTech); 2B12-440 (Goodyear) |
| Application | Heavy truck and trailer air suspension systems |
| Warranty | 12 months - DFM supplier warranty, not original manufacturer warranty |
Common questions
Is W01-358-7555 a genuine OEM part?
Yes. W01-358-7555 is supplied as a genuine new air spring bellows. It is not a remanufactured or aftermarket copy.
What does this air spring fit?
Cross-references: FD331-26 480 (Continental/ContiTech); 2B12-440 (Goodyear). Recorded application: heavy truck and trailer air suspension systems. Air springs of the same size family can share fittings across chassis brands, so send us the number stamped or cast on your existing bellows and we will confirm the match before dispatch.
Are there intake and exhaust or left and right variants?
Air springs are directional only by fitting layout. Confirm the number on your old unit rather than matching by appearance alone.
Is the air spring tested before shipping?
Ask us to confirm the inspection steps and available records for this part number before ordering.
What warranty applies?
Warranty: 12 months, covering defects in materials and workmanship under normal use. Incorrect fitment and contamination damage are not covered.
Fitment note. Several part numbers in this family look similar. Confirm the number on your
existing unit, the engine model and the machine or vehicle application before ordering. Send us a nameplate photo
and we will verify the match before dispatch.
All manufacturer names, symbols and part numbers are used for identification and cross-reference purposes only. We are not an authorised distributor and are not affiliated with the original equipment manufacturer. Product condition is stated on each listing. Our 12-month warranty is provided by DFM, not by the original manufacturer.
