Lisle 37990 Connector Pliers - electrical system tools | Mubboo
Lisle

Lisle 37990 Connector Pliers

$23.15$35.70Save 35%4.8(147 reviews)
Mubboo Score B
Buy on Amazon $23.15

Price as of 2026-06-21. Check Amazon for the current price.

Quick Decision

Mubboo Score
B
Best For
Those who want a top-rated option
Reviews
147+ · reasonably reliable

Price Intelligence

📊 In electrical system tools, this is a mid-range product.
  • Budget:$3–$12
  • Mid-range:$12–$30← You are here
  • Premium:$30+

Is This Right For You?

✅ Great for
  • Those who want a top-rated option — in the top 4% of electrical system tools by rating
  • Lisle loyalists — the brand spans 38 products in our database
💡 Consider instead
  • WINAMOO Test Light Automotive 5-90V Digital LED Circuit — 57% cheaper at $10 (Score A)

📊 Based on data analysis of 161 products in this category.

Mubboo Score: B

Quality9.6/10
based on 4.8/5 customer rating
Popularity5.7/10
147 reviews, top 45% in electrical system tools
Value3.6/10
priced below 36% of electrical system tools
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 electrical system tools

Computed from live Amazon rating, review count, and price across 161 electrical system tools available to US consumers · last refreshed 2026-06-21.

How It Compares

This Product
Lisle 37990 Connector Pliers
Most Popular
JASTIND Heavy Duty 3-65V Backlit Digital LCD Circuit Tester
Best Rated
Power Probe Piercing Probe Kit
Best Value
WINAMOO Test Light Automotive 5-90V Digital LED Circuit
Price$23.15$17.57$33.96$9.99
Rating4.8/54.6/54.8/54.6/5
Reviews1476,506929757
Mubboo ScoreBAB+A

What People Say

Synthesized from 40 reviews · 100% verified purchases.

For repair tools like the LightKeeper, expect a learning curve and consult the instructional videos. When buying terminal removal kits, note that budget options may have flimsy tips—handle them gently.

Praised for
  • Save significant time during electrical diagnostics
  • Excellent value compared to professional alternatives
  • Durable construction and heavy-duty feel
  • Helpful design features like long cords, backlit displays, and secure clamps
  • Comprehensive kits with a wide assortment of accessories
Common complaints
  • Steep learning curve requiring tutorials and patience
  • Flimsy or thin metal on some tips that bend easily
  • Limited functionality for specific low-voltage or small-wire applications
  • Occasional out-of-box failures or quality control issues

Related Video Reviews

About Lisle

  • 38 products in our database
  • Average rating: 4.6/5 across all products
  • Price range: $8.29$121.67
  • Categories: belts-hoses-and-pulleys-automotive, electrical-system-tools, hand-tools-automotive, hose-repair-kits, Impact Drivers, Jumper Cables

If not the 37990 Connector Pliers, consider these

💰 Save money
KJYIOY Electrical Connector Separator Tool 13120 for Car Truck, Automotive Electrical Terminal Connector Separator Removal Tools - electrical system tools | Mubboo
KJYIOY Electrical Connector Separator Tool 13120
$3.48 · 4.6 (123)
$19.70 less than the 37990 Connector Pliers, with 4.6★ from 123 reviews
🔥 Most popular
JASTIND Heavy Duty 3-65V Backlit Digital LCD Circuit Tester, Test Light with 140 Inch Extended Spring Wire, Car Truck Low Voltage & Light Tester with Stainless Probe - electrical system tools | Mubboo
JASTIND Heavy Duty 3-65V Backlit Digital LCD Circuit Tester
$17.57 · 4.6 (6,506)
6,506 reviews — 44.3× more than the 37990 Connector Pliers

Bottom Line

Lisle 37990 Connector Pliers earns Mubboo Score B. Priced at $23 — a mid-range option, below the category average of $34. Rated 4.8/5 from 147+ reviews. Strong buy if: those who want a top-rated option, lisle loyalists.

Buy on Amazon $23.15Last verified: 2026-06-21

Frequently Asked Questions

Is the Lisle 37990 Connector Pliers worth buying in 2026?

It earns a Mubboo Score of B, with a 4.8/5 rating from 147 reviews — better than 96% of electrical system tools we track.

How much does the Lisle 37990 Connector Pliers cost?

It is currently $23.15 — mid-tier pricing for electrical system tools.

How does the 37990 Connector Pliers compare to other electrical system tools?

The category's most-reviewed alternative is the JASTIND Heavy Duty 3-65V Backlit Digital LCD Circuit Tester (4.6/5, 6,506 reviews, $17.57). The 37990 Connector Pliers carries a Mubboo Score of B vs A.

Sources & References

Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.

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.