

Photographed in our warehouse — the part you receive is the part shown.
Load support for trailers running near their rated capacity.
Pricing for this part is being published system by system. Add it to your quote list and we will confirm price, stock and lead time by email, usually within one business day.
Trailer springs work harder than truck springs: they sit loaded for months and then get dunked in a boat ramp. This helper spring shares the load with the leaf pack and reduces the flattening that ends with a tyre rubbing a fender.
| Type | Trailer helper spring |
| Position | Axle / rear |
| Finish | Black |
| Included | Mounting hardware |
It is an aftermarket part engineered to the specification for TSS-107-47. It is not a genuine OE part and we are not affiliated with the manufacturer. The cross-reference tells you what it replaces.
Match the cross-reference numbers on this page against the number on the part you are removing, or send us your VIN / engine model and we will confirm before dispatch.
24 months against manufacturing defect — material, workmanship and function. Wear items and damage from incorrect installation are excluded. Claims go to a US address, not overseas.