MOUNTAIN_ARK Trailer Axle Spring Perch Seats 4-Pack for 2-3/8" Axle — Weld-On 1-3/4"–2" Leaf Spring Fit

MOUNTAIN_ARK 4-pack trailer axle spring perch seats are welded saddles designed to attach to a 2-3/8" round axle tube and secure 1-3/4" or 2" leaf springs.

These welded spring perches provide a compact, durable mounting point between your trailer axle and its leaf spring stack. Made from low carbon steel with a plain finish, each perch is shaped to fit over a 2-3/8" outside-diameter axle tube and accept common leaf spring widths. The parts are precision punched with a central 5/8" bolt hole and two 1/2" bolt holes to match standard U-bolt and center-bolt layouts, simplifying alignment and installation when building or repairing trailer suspension systems.

How do these perches attach to my axle and spring?

Each perch is a weld-on saddle sized to sit flush against a 2-3/8" OD axle tube and cradle the leaf spring leaves. Installers tack- or fully-weld the saddle to the axle tube, then align the leaf spring center bolt and U-bolts through the provided holes to clamp the spring stack to the axle.

• Weld-on design for secure permanent mounting
• Punched 5/8" center hole for standard spring center bolts
• Two 1/2" bolt holes positioned for U-bolts or clamps
• Fits 1-3/4" or 2" wide leaf springs

What are the physical dimensions and material details?

These perches are compact but engineered for compatibility with common trailer hardware. Each unit measures 4" long by 1-7/8" wide and stands 1-3/16" tall, with a plate thickness of 7/32". The fabrication material is low carbon steel with a plain (unpainted) finish, ready for welding and final corrosion protection as desired.

• 4" length, 1-7/8" width, 1-3/16" height
• 7/32" (approx. 5.5mm) steel thickness for structural contact
• Low carbon steel construction, plain finish
• Pre-punched bolt holes: one 5/8" and two 1/2"

Will these work for my trailer application and how do I prepare them?

These spring saddles are intended for trailers using a 2-3/8" OD axle tube and leaf springs 1-3/4" or 2" wide. Before welding, fitment checks and surface prep improve results: de-grease, remove rust, and verify hole alignment with your spring and U-bolts. After welding, apply paint or a rust inhibitor if needed for long-term protection.

• Compatible with 2-3/8" axle tubes and common leaf spring widths
• Recommended to clean and align before welding
• Paint or coating advised after welding to reduce corrosion
• Sold in a convenient 4-pack for axle pairs or spares

Who is this for: These MOUNTAIN_ARK spring perch seats suit trailer builders, repair shops, and DIY enthusiasts who need a straightforward, weld-on saddle for standard axles and leaf springs. Choose this 4-pack when you want matched, punched perches for axle-to-spring attachment during axle fabrication, replacement, or custom trailer projects. They are a practical choice for individuals familiar with trailer suspension welding and alignment procedures who plan to apply their preferred protective finish after installation.