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Slipper leaf spring acts as part of a trailer's suspension system by providing an attachment point for an 8,000-lb axle. Spring flexes to resist shock and also ensures a smooth ride. Includes bushing with 9/16" inner diameter.
Features:
Specs:
| Part Number | A | B | C | D | E | F |
|---|---|---|---|---|---|---|
| e39SR | 13-1/2" | 27-7/8" | 29-1/2" | 14-1/8" | 16-1/2" | 3-1/2" |
Note: To ensure proper axle alignment and suspension performance, leaf springs should always be replaced in pairs.
Leaf springs are an integral part of your trailer suspension system. The leaf springs provide the attachment points for your trailer's axle, suspending it from the frame of your trailer. Each spring flexes to absorb road shock as you travel, allowing the axle to move somewhat independently of the rest of your trailer. This helps to reduce wear and tear on the trailer and also ensures a smooth ride.
Slipper leaf springs attach to hangers that are welded onto your trailer. The eye of this spring will attach to the front hanger with a suspension bolt. The hooked slipper end of the spring will slide into the rear hanger. If you have a tandem- or triple-axle trailer, the slipper end will slide into the equalizer that connects multiple springs. The shape of the slipper end of a leaf spring may vary slightly due to differences among trailer manufacturers. Because of this, it's important to check your leaf spring's slipper end before purchasing a replacement spring.
To mount this spring, you will need hangers, a suspension bolt, and possibly a spring keeper bolt, depending on the design of the rear hanger. If you are simply replacing a spring, you may still have hangers welded onto your trailer, but it would be wise to replace the bolts as they can experience wear. It is also recommended that you replace the other leaf spring in your setup at the same time. Because springs can sag and elongate as they wear, this new spring may not exactly match the old one, and the alignment of your trailer could be affected.
If you are fabricating a trailer, you will need to purchase a hanger kit for installation. To determine the type of hanger kit that you need, you must know the specific type of leaf spring that you have, as well as your axle capacity. Depending on the hanger kits used with them, springs can be configured to work for single-, tandem- or triple-axle applications. Hangers and other suspension components can also be purchased separately if there isn't a complete kit that works for your setup.
Average Customer Rating: 4.7 out of 5 stars (25 Customer Reviews)
Slipper leaf spring acts as part of a trailer's suspension system by providing an attachment point for an 8,000-lb axle. Spring flexes to resist shock and also ensures a smooth ride. Includes bushing with 9/16" inner diameter.
The installation was fairly straight forward and the springs bolted right up. I do feel like the springs are a bit weak for 8k springs, I've hauled heavier loads with 7k suspension with more clearance between the axles and frame. But I've had no issues with the suspension thus far.
Perfect fit for my trailer as usual. I appreciate the great photos of the parts I am looking at and the dimensions and specifications.
Only item I got
the reason for four stars is that i was sent the wrong size part. they made it right and set out the correct part the next day.
Great company to deal with.
Box was beat up, nothing was missing, but maybe more care in shipping.
It us every thing I expected
I like the web site ordering platform, it's so nice knowing what's in stock, and pricing instantly.
We will definitely consider you for future purchases
Had too personally go pickup this order from UPS. No care for packaging.
Fit well
Great
just what I needed
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