DA4659 Mountney Boss Kit – 16mm Shaft / 36 Splines – Defender
Upgrade or replace your Defender’s steering wheel hub with this Mountney Boss Kit (Part No. DA4659) designed for vehicles using a 16mm steering shaft with 36 splines. This boss kit allows fitment of Mountney and compatible aftermarket steering wheels while maintaining proper alignment, secure mounting, and safe steering operation.
Ideal for restorations, custom interiors, or replacing worn or damaged original hubs, this kit provides a precise fit on a wide range of Defender model years listed below.
Fits:
-
Defender 90 – 1A chassis onwards up to HA
-
Defender 110 – 1A chassis onwards up to HA
Install tip: Always torque the steering wheel retaining nut to factory specification and ensure the wheel is centered before final tightening.*
Supersession Part Numbers
No supersessions found.
FAQ
Does this fit all Defender models?
It fits Defenders with a 16mm shaft and 36-spline steering column—specifically 1A to HA VIN ranges.
Will this work with all Mountney wheels?
Yes — designed for Mountney steering wheels and compatible aftermarket wheels using the same bolt pattern.
Is modification required?
No — it installs directly onto the factory steering column.
Part Number: DA4659
Free Shipping Available to the Lower 48
Upgrade or replace your Defender’s steering wheel hub with this Mountney Boss Kit (Part No. DA4659) designed for vehicles using a 16mm steering shaft with 36 splines. This boss kit allows fitment of Mountney and compatible aftermarket steering wheels while maintaining proper alignment, secure mounting, and safe steering operation.
Ideal for restorations, custom interiors, or replacing worn or damaged original hubs, this kit provides a precise fit on a wide range of Defender model years listed below.
Fits:
-
Defender 90 – 1A chassis onwards up to HA
-
Defender 110 – 1A chassis onwards up to HA
Install tip: Always torque the steering wheel retaining nut to factory specification and ensure the wheel is centered before final tightening.*
Supersession Part Numbers
No supersessions found.
FAQ
Does this fit all Defender models?
It fits Defenders with a 16mm shaft and 36-spline steering column—specifically 1A to HA VIN ranges.
Will this work with all Mountney wheels?
Yes — designed for Mountney steering wheels and compatible aftermarket wheels using the same bolt pattern.
Is modification required?
No — it installs directly onto the factory steering column.
Part Number: DA4659
Free Shipping Available to the Lower 48
Original: $53.88
-65%$53.88
$18.86Description
Upgrade or replace your Defender’s steering wheel hub with this Mountney Boss Kit (Part No. DA4659) designed for vehicles using a 16mm steering shaft with 36 splines. This boss kit allows fitment of Mountney and compatible aftermarket steering wheels while maintaining proper alignment, secure mounting, and safe steering operation.
Ideal for restorations, custom interiors, or replacing worn or damaged original hubs, this kit provides a precise fit on a wide range of Defender model years listed below.
Fits:
-
Defender 90 – 1A chassis onwards up to HA
-
Defender 110 – 1A chassis onwards up to HA
Install tip: Always torque the steering wheel retaining nut to factory specification and ensure the wheel is centered before final tightening.*
Supersession Part Numbers
No supersessions found.
FAQ
Does this fit all Defender models?
It fits Defenders with a 16mm shaft and 36-spline steering column—specifically 1A to HA VIN ranges.
Will this work with all Mountney wheels?
Yes — designed for Mountney steering wheels and compatible aftermarket wheels using the same bolt pattern.
Is modification required?
No — it installs directly onto the factory steering column.
Part Number: DA4659
Free Shipping Available to the Lower 48
