Product Description
The AL-KO 12" Hub & Drum Assembly (P/N 429021) is a genuine AL-KO replacement hub and drum assembly designed for 2000kg trailer axles fitted with 12" electric drum brakes and the 5 x 150mm LandCruiser wheel pattern.
Manufactured to genuine AL-KO specifications, this hub and drum assembly provides reliable braking performance, precise fitment and long service life for caravans, boat trailers, horse floats and heavy-duty trailers.
The assembly is supplied with five 9/16" UNF wheel studs pre-installed and is machined to suit AL-KO 2 Tonne Japanese wheel bearings using 30210 inner and 15123 outer bearings.
Please note: This assembly does not include bearings, bearing cups (races), grease seal, grease cap, castle nut or split pin. These components are available separately, allowing you to select new service parts during installation.
Features & Benefits
- Genuine AL-KO product
- Part Number 429021
- Complete hub and drum assembly
- Designed for 2000kg trailer axles
- 12" × 2" electric brake hub and drum
- 5 x 150mm LandCruiser wheel pattern
- Five 9/16" UNF wheel studs pre-installed
- Precision machined braking surface
- Suits AL-KO 12" electric brake backing plates
- Machined for AL-KO 2 Tonne Japanese wheel bearings
- Genuine AL-KO quality and reliability
Specifications
| Specification | Details |
|---|---|
| Brand | AL-KO |
| Part Number | 429021 |
| Brake Size | 12" × 2" |
| Brake Type | Electric Drum Brake |
| Axle Capacity | 2000kg |
| Wheel Stud Pattern | 5 × 150mm (LandCruiser) |
| Wheel Stud Size | 9/16" UNF |
| Wheel Studs Included | Yes – 5 Pre-installed |
| Bearing Compatibility | 30210 Inner / 15123 Outer |
| Bearing Cups (Races) | Not Included |
| Grease Seal | 494015 (Not Included) |
| Backing Plate Compatibility | AL-KO 12" × 2" Electric Backing Plates Only |
Stud Pattern Explained
This hub and drum assembly uses the 5 × 150mm LandCruiser wheel pattern, commonly fitted to heavy-duty off-road caravans and trailers.
Before ordering, confirm:
- Wheel stud pattern
- Wheel stud size
- Brake size
- Bearing numbers
- Axle capacity
Bearing Compatibility
This hub and drum assembly is machined to suit AL-KO 2 Tonne Japanese wheel bearings.
| Component | Specification |
| Inner Bearing | 30210 |
| Outer Bearing | 15123 |
| Bearing Cups (Races) | Not Included |
| Grease Seal | 494015 (Not Included) |
| Bearing Type | AL-KO 2 Tonne Japanese Bearings |
For the best reliability, we recommend installing new bearings, bearing cups, grease seals and grease caps whenever replacing the hub and drum assembly.
Brake Compatibility
Designed for:
- AL-KO 12" × 2" Electric Brake Backing Plates
Suitable for electric trailer brake systems only.
Not suitable for hydraulic brake backing plates.
Suitable Applications
Ideal for:
- Caravans
- Off-road caravans
- Boat trailers
- Horse floats
- Car trailers
- Plant trailers
- Commercial trailers
Suitable for trailers fitted with AL-KO 2 tonne stub axles using the specified bearing combination.
Why Choose Genuine AL-KO?
Genuine AL-KO hub and drum assemblies are manufactured to precise tolerances to ensure:
- Accurate fitment
- Reliable braking performance
- Long service life
- Genuine AL-KO compatibility
- Trusted quality for Australian towing conditions
What's Included
- 1 × Genuine AL-KO 12" Hub & Drum Assembly
- 5 × 9/16" UNF Wheel Studs (Pre-installed)
What's Not Included
- Inner Bearing (30210)
- Outer Bearing (15123)
- Bearing Cups (Races)
- Grease Seal (494015)
- Grease Cap
- Castle Nut
- Split Pin
- Wheel Nuts
- Brake Backing Plate
Will This Fit My Trailer?
Before ordering, confirm the following:
✔ AL-KO 2 tonne stub axle
✔ 12" Electric Brake System
✔ 5 × 150mm LandCruiser wheel pattern
✔ 9/16" UNF wheel studs
✔ Inner bearing 30210
✔ Outer bearing 15123
If these specifications match your existing hub, this assembly is suitable for your trailer.
Complete Your Installation
Bearings & Seals
Brake Components
Workshop Items
- Castle Nut
-
Marine Wheel Bearing Grease
- 9/16" UNF Wheel Nuts
Common Replacement Parts
- Bearing Kit (30210 / 15123)
- Bearing Cups (Races)
- Grease Seal 494015
- Grease Cap
- Wheel Studs
- Brake Shoes
- Brake Magnets
Installation Tips
- Install new bearing cups when fitting new bearings.
- Replace the grease seal whenever the hub is removed.
- Pack bearings with quality high-temperature wheel bearing grease.
- Inspect the spindle for wear before installation.
- Adjust the electric brakes after installation.
- Torque wheel nuts to the manufacturer's specification.
Frequently Asked Questions
Does this assembly include bearings?
No. Bearings are not included.
Are the bearing cups (races) included?
No. Bearing cups (races) are supplied separately.
What bearings does it use?
- Inner Bearing: 30210
- Outer Bearing: 15123
Does it include a grease seal?
No. It uses AL-KO Grease Seal 494015, which is sold separately.
Does it include a grease cap, castle nut or split pin?
No. These items are sold separately.
Does it include wheel studs?
Yes. Five 9/16" UNF wheel studs are supplied pre-installed.
Does it suit hydraulic brakes?
No. This assembly is designed for AL-KO 12" × 2" electric brake backing plates only.
Why Buy From Trailer Spares Online?
- Genuine AL-KO products
- Australia's trailer parts specialists
- Expert technical advice
- Fast Australia-wide shipping
- Large range of matching bearings and brake components
- Competitive pricing and local support
Shipping is calculated at checkout based on your location.