How accurate are aftermarket cross-references?

Cross-references on Airspring are validated against published OEM dimensions: collapsed height, max diameter, max stroke, load rating, mounting interface and operating temperature. Always verify the application before fitment.

Will aftermarket equivalents void OEM warranty?

Aftermarket air springs that match or exceed OEM specifications generally do not affect commercial vehicle warranties beyond the OEM warranty period. Check with the vehicle manufacturer for specific clauses.

How accurate are aftermarket cross-references?

Cross-references on Airspring are validated against published OEM dimensions: collapsed height, max diameter, max stroke, load rating, mounting interface and operating temperature. Always verify the application before fitment.

Will aftermarket equivalents void OEM warranty?

Aftermarket air springs that match or exceed OEM specifications generally do not affect commercial vehicle warranties beyond the OEM warranty period. Check with the vehicle manufacturer for specific clauses.

D11B33 — Cross-Reference & Suppliers

Verified aftermarket equivalents for D11B33 (DUNLOP FR), sourced from listed air spring manufacturers.

Specifications

Style: Custom
Application: Trailer/Semi-trailer Air Spring

Equivalent part numbers

Cross-references reported as interchangeable — confirm fit technically before ordering.

1TC 300-36 1R11-743 05.429.43.20.0 BPW 30 017109 951 811 743 0 US 500-10 KD

Compatible products

Product	Supplier	Country
132222	Airtech Air Springs (Reference Dataset)	United States	Quote
ContiTech 941 MB P30	Continental / ContiTech	Germany	Quote
Phoenix 1 DK 21	Phoenix (Reference Catalog)	—	Quote
Eurosan 37941	Eurosan (Reference Catalog)	—	Quote
Aircomfort 13222A	Aircomfort Reference Catalog	—	Quote
Aircomfort 13654A	Aircomfort Reference Catalog	—	Quote
Goodyear 9542	Goodyear Engineered Products (Reference)	—	Quote
Airtech 132222	Airtech Reference Catalog	—	Quote

Frequently asked questions

How accurate are aftermarket cross-references?: Cross-references on Airspring are validated against published OEM dimensions: collapsed height, max diameter, max stroke, load rating, mounting interface and operating temperature. Always verify the application before fitment.
Will aftermarket equivalents void OEM warranty?: Aftermarket air springs that match or exceed OEM specifications generally do not affect commercial vehicle warranties beyond the OEM warranty period. Check with the vehicle manufacturer for specific clauses.