Introduction
This manual provides detailed instructions for the proper installation, operation, and maintenance of your CZC AUTO 5/8 inch Hitch Receiver Pin Lock. Please read this manual thoroughly before use to ensure safe and effective operation. This lock is designed for securing hitch accessories to Class III/IV 2" and 2-1/2" hitch receiver tubes.
Product Overview
The CZC AUTO Hitch Receiver Pin Lock is constructed from black electrophoretic painted carbon steel, providing durability and resistance to corrosion. It features a 360-degree rotating head for ease of use and a tubular keyhole with a zinc alloy lock core for enhanced security. An all-weather rubber key slot cap protects the keyhole from moisture, dust, and rust.

Image: Components of the CZC AUTO Hitch Receiver Pin Lock. This image highlights the 5/8" diameter pin made of black electrophoretic painted carbon steel, the sturdy locking head, the snap-on key slot cap made of all-weather rubber for anti-corrosion, the zinc alloy lock core, and the two tubular keys provided.
Specifications
| Brand | CZC AUTO |
| Model Number | 11208S |
| Pin Diameter | 5/8 inch |
| Effective Length | 3-1/2 inches |
| Material | Carbon Steel |
| Finish Type | Painted (Black Electrophoretic) |
| Vehicle Service Type | Car, RV, Trailer, Truck |
| Compatibility | Class III/IV 2", 2-1/2" hitch receiver tubes |
| Item Weight | 11.3 ounces (0.32 Kilograms) |

Image: Dimensional drawing of the CZC AUTO Hitch Receiver Pin Lock. The image shows the 5/8" pin diameter, 3-1/2" effective length, 0.98" and 0.94" end diameters, and a 1.75" length for the locking head, along with an indicator for 360-degree rotation.
Compatibility and Applications
This hitch receiver pin lock is designed for universal fit with Class III/IV 2" and 2-1/2" hitch receiver tubes. It is suitable for securing various towing accessories, including:
- Hitch racks (e.g., bike racks, cargo carriers)
- Hitch balls
- Tow ropes
- Other compatible towing accessories

Image: Wide Fitment. This image illustrates the versatility of the hitch lock, showing its use with a bike rack, cargo tray, tow rope, and compatibility with various vehicles such as trailers, trucks, cars, RVs, and boats.
Setup and Operating Instructions
Follow these steps to properly install and operate your CZC AUTO Hitch Receiver Pin Lock:
- Unlock the Pin: Insert one of the provided tubular keys into the lock core. Turn the key 1/4 clockwise to unlock the mechanism.
- Insert into Receiver: With the lock mechanism unlocked, insert the pin through the hitch receiver tube and your hitch accessory.
- Lock the Pin: Push the locking head onto the pin until it clicks into place. Turn the key 1/4 counter-clockwise to secure the lock. Remove the key.
- Verify Lock: Gently pull on the head of the lock to ensure it is fully engaged and cannot be removed.
- Protect Keyhole: Place the all-weather rubber key slot cap over the keyhole to protect it from environmental elements.

Image: Easy to Operate - Receiver Lock. This visual guide shows four steps: 1. Insert the key and turn 1/4 clockwise to unlock. 2. Insert the lock pin into the receiver and turn the key 1/4 counter-clockwise to lock. 3. Pull the head of the lock to ensure it is locked. 4. After use, remove the pin from the receiver hole.
Maintenance
To ensure the longevity and reliable operation of your hitch receiver pin lock, follow these maintenance guidelines:
- Keep Clean: Regularly clean the exterior of the lock with a damp cloth.
- Protect Keyhole: Always use the rubber key slot cap when the lock is not in use or when installed to prevent moisture, dust, and debris from entering the keyhole.
- Lubrication: Periodically apply a small amount of graphite lubricant or a silicone-based spray to the keyhole and internal locking mechanism to ensure smooth operation. Avoid oil-based lubricants as they can attract dirt.
- Inspect for Damage: Before each use, inspect the pin and locking mechanism for any signs of wear, bending, or damage. Do not use if damaged.
Troubleshooting
If you encounter issues with your hitch receiver pin lock, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Key is difficult to turn or insert. | Dirt, debris, or rust in the keyhole. | Clean the keyhole with compressed air. Apply graphite lubricant or silicone spray. Ensure the key is fully inserted. |
| Locking head does not engage or disengage smoothly. | Internal mechanism is dry or obstructed. | Apply lubricant to the internal mechanism. Ensure the pin is clean and free of debris. |
| Pin does not fit into the receiver. | Incorrect receiver size or obstruction. | Verify your hitch receiver is 2" or 2-1/2". Check for any obstructions inside the receiver tube. |
Warranty and Support
Your CZC AUTO Hitch Receiver Pin Lock comes with a 30-day money-back guarantee for any reason and a 12-month warranty for quality-related issues.
If you experience any problems with your product upon receipt or during use, please contact CZC AUTO customer support. We are committed to providing assistance and ensuring your satisfaction.
For support, please refer to the contact information provided with your purchase or visit the official CZC AUTO website.





