Description

Overview

BPW flanged lock nut M12 is used in air bag suspension assemblies where a compact locking fastener is required. It suits M12 suspension hardware and uses a flanged base to seat against the mounting face. On Stefair Euro 3 Overslung 9t suspension setups, it fits the specified air bag suspension application shown for this part.

Features

• M12 thread size for matching suspension hardware.
• 17mm hex size for installation and removal.
• 23.5mm flange diameter for correct seating.
• 8.5mm height for compact fitment in the mounting stack.

Specifications and Materials

This lock nut is listed for air bag suspension applications and for Stefair Euro 3 Overslung 9t suspension. Key sizing includes an M12 thread, 17mm hex, 23.5mm flange diameter, and 8.5mm height. Part number: SP0409G.

See the BPW Transpec ALII suspension parts catalogue for the lock nut listing and suspension parts breakdown

Compatibility and Fitment

Match the thread, hex size, flange size, and suspension application before ordering. BPW flanged lock nut M12 suits the Stefair Euro 3 Overslung 9t suspension application shown for this part. This cross-reference listing means this part is a suitable replacement for the part numbers and applications shown. Some changes in installation may be required. BPW 0252733380, BPW0252733380, 0252733380

Compliance and Safety

Use the correct spanner size and make sure the nut seats squarely on the mounting face before final tightening. Replace damaged or distorted lock nuts instead of reusing them in critical suspension positions. After fitting, recheck the surrounding hardware so the assembly stays secure in service.

Trailer Applications

This fastener suits trailer air bag suspension service work on Stefair Euro 3 Overslung 9t suspension. It can be used when replacing air bag hardware or when rebuilding the surrounding mounting stack. Because small hardware can look similar across different setups, thread and flange size should be matched first.

Cross-reference and Suitability

This part cross-references to or suits the following equivalent part numbers and compatible alternatives:

Why Choose ICS Trailers

ICS Trailers also carries the suspension parts and mounting hardware that commonly sit around this fastener. That helps when the job needs more than one item to finish the repair properly.

Browse Hardware at ICS Trailers for related suspension fasteners and mounting parts