CURT 23518 Black Trailer Hitch Lock
5/8-Inch Pin Diameter, Fits 2-Inch Receiver
Price as of 2026-06-21. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Risk-averse buyers — 17,249+ reviews give a highly reliable picture
- •CURT loyalists — the brand spans 55 products in our database
- •Rating sits in the bottom 25% of towing products and winches — higher-rated options exist
- •Bonison Winch Stopper offers a better rating (4.7/5) at a similar or lower price ($8)
- •Bonison Winch Stopper — 60% cheaper at $8 (Score A+)
- •AUTMATCH D Ring Shackle 3/4" Shackles — higher rated at 4.8/5 ($24)
📊 Based on data analysis of 163 products in this category.
Mubboo Score: A
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other towing products and winches
Computed from live Amazon rating, review count, and price across 163 towing products and winches · last refreshed 2026-06-21.
How It Compares
This Product CURT 23518 Black Trailer Hitch Lock | Most Popular AUTMATCH D Ring Shackle 3/4" Shackles | Best Rated CURT Manufacturing 45036 Class III 2" Loaded Ball Mount | Best Value Bonison Winch Stopper | |
|---|---|---|---|---|
| Price | $19.97 | $23.99 | $34.83 | $7.99 |
| Rating | 4.5/5 | 4.8/5 | 4.8/5 | 4.7/5 |
| Reviews | 17,249 | 12,194 | 10,491 | 2,717 |
| Mubboo Score | A | A | A- | A+ |
What People Say
Synthesized from 40 reviews · 100% verified purchases.
Verify compatibility with your vehicle's hitch and coupler dimensions before purchasing, as some models may be too short or bulky for specific vehicles. These locks provide strong deterrence but can be defeated by determined thieves, so use them as part of a layered security strategy.
- High-quality, durable construction
- Excellent value for price
- Easy to install and use
- Effective theft deterrence and security
- Fit and clearance issues on specific vehicles
- Potential for rust or coating durability problems
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About CURT
- 55 products in our database
- Average rating: 4.6/5 across all products
- Price range: $2.49 – $289.95
- Categories: exterior, hand-tools-automotive, Hitch Cargo Carriers, spare-tire-carriers, testers, towing-products-and-winches
Other towing products and winches
Bottom Line
CURT 23518 Black Trailer Hitch Lock earns Mubboo Score A. Priced at $20 — a mid-range option, below the category average of $38. Rated 4.5/5 from 17,249+ reviews. Strong buy if: risk-averse buyers, curt loyalists. Skip if: rating sits in the bottom 25% of towing products and winches — AUTMATCH D Ring Shackle 3/4" Shackles (Score A, $24) may fit better.
Frequently Asked Questions
Is the CURT 23518 Black Trailer Hitch Lock worth buying in 2026?
It earns a Mubboo Score of A, with a 4.5/5 rating from 17,249 reviews — better than 25% of towing products and winches we track.
How much does the CURT 23518 Black Trailer Hitch Lock cost?
It is currently $19.97 — mid-tier pricing for towing products and winches.
How does the 23518 Black Trailer Hitch Lock compare to other towing products and winches?
The category's most-reviewed alternative is the AUTMATCH D Ring Shackle 3/4" Shackles (4.8/5, 12,194 reviews, $23.99). The 23518 Black Trailer Hitch Lock carries a Mubboo Score of A vs A.
Sources & References
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-21) and may change.