At a Glance
- SKU: 1403T3
PRODUCT INFORMATION
Product Details
Trailer Suspension / Slipper Leaf Spring
One 7 Leaf Trailer Slipper Spring – 2" x 26.25" – 4,000 lb Capacity
Seven-leaf trailer slipper spring for suspension systems using slipper-style hangers or equalizers. Measures 26-1/8" long by 2" wide with a 4,000 lb spring capacity.
Part Number: 1403T3 4,000 lb Spring Capacity 26-1/8" x 2"
Key Measurements & Specs
| Specification | Detail |
|---|---|
| Part Number / SKU | 1403T3 |
| Product Type | Slipper leaf spring |
| Number of Leaves | 7 |
| Spring Width | 2" |
| Overall Length | 26-1/8" |
| Spring Capacity | 4,000 lbs |
| Quantity Included | 1 slipper spring |
Fitment / Application
| Category | Details |
|---|---|
| System Type | Trailer slipper spring suspension |
| Typical Axle Rating | Commonly used on 8,000 lb trailer axle applications |
| Fitment Method | Match by spring length, width, eye diameter, arch, slipper-end style, and hanger/equalizer configuration |
| Important Note | Verify measurements before ordering. Leaf springs should generally be replaced in pairs for balanced suspension performance. |
Top Features
| Feature | Buyer Benefit |
|---|---|
| Seven-Leaf Construction | Built for trailer suspension support under loaded conditions |
| 4,000 lb Capacity | Supports one side of a typical 8,000 lb axle suspension setup when properly matched |
| 2" Spring Width | Matches common heavy-duty slipper spring hanger and equalizer systems |
| Nylon Eye Bushing | Comes with an installed eye bushing for the spring eye mounting point |
Important Fitment Note: Verify spring length, spring width, eye diameter, slipper-end shape, hanger spacing, equalizer style, axle rating, and included components before installation. For balanced suspension performance and even load distribution, leaf springs should generally be replaced in pairs.
R&P Knowledge Hub
Compatibility: Best matched by part number, spring length, spring width, eye diameter, slipper-end style, and hanger/equalizer layout.
Vehicle / System Fit: Trailer slipper spring suspension systems using a 2" wide, 26-1/8" slipper spring with 4,000 lb spring capacity.
Installation Notes: Support the trailer safely, unload the suspension, and inspect related suspension components before installing new springs.
Performance Insight: Properly matched springs help restore trailer ride height, suspension travel, and balanced load support across the axle.
Features
Seven-Leaf Slipper Spring
Multi-leaf spring construction designed to support trailer axle load and help absorb road shock during travel.
4,000 lb Spring Capacity
Rated for 4,000 lbs per spring when properly matched to the suspension system and trailer application.
Common Heavy-Duty Trailer Fit
Commonly used on trailers equipped with 8,000 lb axles where the spring dimensions and hanger layout match.
Nylon Eye Bushing Installed
Includes a nylon bushing in the spring eye for the mounting point. Confirm bushing size and hardware compatibility before installation.
Included Components
| Quantity | Item |
|---|---|
| 1 | 1403T3 seven-leaf slipper spring |
| 1 | Nylon eye bushing installed |
| Not Included | Mounting bolts, nuts, U-bolts, tie plates, hangers, equalizers, and other suspension hardware |
Measurement Reference
| Part Number | A | B | C | D |
|---|---|---|---|---|
| 1403T3 | 26-1/8" | 24-7/8" | 3" | 11-3/16" |
1403T3 slipper spring, 7 leaf slipper spring, 4000 lb slipper spring, 4,000 lb trailer leaf spring, 26-1/8 inch slipper spring, 2 inch wide trailer spring, 8000 lb axle slipper spring, trailer suspension leaf spring, nylon eye bushing slipper spring, heavy duty trailer spring replacement
Related Parts & Kits
Check fitment, measurements, and kit contents before ordering. Related parts may not be required for your repair.
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