AFZZ Dump Trailer Cam Lock Door Assembly Set of 4 — Direct-Fit Keepers, Heavy-Duty Rust-Resistant Black Finish

AFZZ Dump Trailer Cam Lock Door Assembly, Set of 4 secures double and side doors with a heavy-duty, rust-resistant cam keeper design.

This four-piece cam lock kit from AFZZ replaces common keeper parts and fits over vertically mounted cam bar door brackets to keep dump and cargo trailer doors firmly closed during transit and storage. The set includes complementary A, B, C, and D keepers sized to match standard cam bar stops, offering a direct-fit solution that requires no drilling or frame alteration.

How does this cam lock assembly fit my trailer door?

The AFZZ keepers are engineered to slip over existing vertically mounted cam bar brackets and engage the upper left or lower right cam bar stops without modifying your trailer. Dimensions are designed to match common industry measurements so installation is straightforward and reversible.

• Overall keeper width: 1.35 inches and length: 5.10 inches
• Bolt center spacing: 3.90 inches for direct replacement
• Camshaft size: 1.00" length × 1.5" width × 0.8" thickness
• Fits typical dump and cargo trailer double/side door stops

What materials and coating protect it from rust and wear?

AFZZ builds these keepers from robust metal and applies a durable black anti-rust coating that resists oxidation better than standard zinc finishes. The surface treatment is formulated to reduce peeling and improve long-term performance in outdoor and marine environments.

• Heavy-duty metal construction for structural strength
• Special black anti-rust finish for longer corrosion resistance
• Coating designed to adhere and withstand weathering and abrasion

Which trailer models and replacement parts does this set replace?

This four-piece assembly is made to be widely compatible across many dump and cargo trailers and replaces common keeper part numbers. It functions as a direct substitute for parts like 383200 and PLR158, restoring a secure hold to hinge and cam bar systems.

• Compatible with a broad range of dump and cargo trailer rear and side doors
• Direct replacement for part #383200 and PLR158
• Suitable for both commercial and personal utility trailers

Does installation require drilling or modifying the trailer frame?

No structural changes are needed: the AFZZ cam lock keepers are sized for direct installation over existing brackets and mounting points. That keeps installation fast, reversible, and safe for maintaining trailer integrity.

• No new holes or frame alterations required
• Quick swap-in installation with existing hardware
• Instructions: align, slide over the cam bar bracket, and secure

Who is this for: The AFZZ Dump Trailer Cam Lock Door Assembly set of 4 is ideal for fleet managers, trailer owners, mechanics, and farmers seeking a rugged, low-maintenance replacement for worn or corroded door keepers. If you need a direct-fit, keyless-style keeper that improves door security without fabrication, this kit delivers a heavy-duty, weather-resistant solution that installs quickly and restores reliable door retention.