18mm Rocker Rocker Arm Steel Bush
Price
$19.50 Inc.GST
Shipping
✓ Simply press-in to press-out the old bush
✓ Designed for AL-KO rocker-roller arms.
✓ Steel bush made from durable materials.
N.B. Requires grease and this M18 bolt.
Replacement Steel Spring Rocker Bush – 18mm ID
Rocker-rollers are standard on trailers and typically feature an anchor-shaped centre rocker. It’s normal for these rockers to be cast as a complete unit, as they’re simple to manufacture and provide a decently solid product.
However, the downside of casting means that there are no spare parts.
This meant repairers had to purchase a new rocker, rather than just replacing the worn area. In our experience, the units themselves last a decently long time. In almost all cases, the centre bush is the first to wear.
As such, Couplemate™ manufactured this 18mm steel bush as an alternative to replacing the whole assembly, wherein only the bush has worn.
Rocker Roller Arm Bush Installation
- Select the side that has no casting overhang resting on the old bush.
- Remove the old bush by placing the new bush over the top of the old bush.
- Ensure there is room under the old bush to push it out.
- Tap the new bush with a hammer until the old bush is entirely expelled from the rocker arm.
Key Benefits
Given their material composition, steel bushes are robust and provide shackle bolts a smooth, wear-resistant surface.
As with all steel-on-steel applications, you will need a greaseable shackle bolt and regular application of trailer lubricant. While maintenance can be tedious, proper greasing significantly improves the quality of your ride and ensures you maximise the life of your rocker-roller.
What You Should Check Before
This is a cylindrical steel bush with an 18mm ID and 22 mm OD and a total length of 46 mm. Please ensure these measurements match yours.
Moreover, you must inspect:
- The suspension bolts, nuts, and roller spring bushes (including the 60mm rollers).
- The integrity of your rocker and hanger bolt holes.
- The rocker-roller leaf springs themselves.
Couplemate™ recommends replacing components that show signs of elongation or excess wear. Standard spare parts for rocker-roller systems include:
Additional information
| Weight | 0.2 kg |
|---|---|
| Dimensions | 5 × 2 × 2 cm |
| Inner Bush Diameter | 18mm |
| Outer Bush Diameter | 22mm |
| Fitting Type | Steel Bush |
| Spring Type | Rocker-Roller |
Our Service Lifetime Warranty
Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.
Couplemate™ is a manufacturer and vendor of high-quality towing, trailer, and caravan components. Couplemate™ Core Goods and Custom Work are guaranteed to be free of defects for the service lifetime of the product when used as intended.
Warranties are non-transferrable and Couplemate™ requires satisfactory proof of purchase prior to issuing a remedy. The full Couplemate™ Warranty Policy can be found in the Terms & Conditions: Section 8 – Consumer Guarantees & Warranty.
Warranties are in addition to your rights under the Australian Consumer Law. If something is wrong with your order, please contact our team.
60-Day Returns
After 60 years of experience, we know that life has its unpredictable moments.
All Couplemate™ orders (online, over the phone, or in-store) have a 60 day period for change-of-mind returns and exchanges. There are some items that can’t be returned and some returns may incur a 15% restocking fee.
You can view our full policy for change-of-mind returns here.
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