LEAVYSEAL Connectors

High Density Lever Mating

Our LEAVYSEAL connectors utilize a lever lock system for mating and are designed for harsh environment truck, bus, and off-highway applications. These high pin count connectors have arrangements from 15 to 92 positions. LEAVYSEAL connectors allow for mixed terminal sizes to be used in one housing.

Product Features:

Specs for LEAVYSEAL connectors
  • Accepts contact sizes 6.3/4.8K (up to 40 amps), 2.8 (up to 40 amps), and 1.5K (up to 20 amps)
  • 6.00-0.20 mm2
  • 15, 18, 21, 22, 26, 29, 31, 39, 46, 62, 92, and 124 cavity arrangements
  • In-line, flange, or PCB mount
  • Rectangular, thermoplastic housing
  • Lever for mating
  • Integrated secondary lock confirms contact alignment and retention
  • Available accessories: Backshells, flanges, locking slide, sealing covers



  1. LEAVYSEAL Connector Overview & Assembly Instructions (English)

Learn about our heavy-duty LEAVYSEAL connectors, which feature a lever lock for mating. Watch this video for an overview of the connectors and for step-by-step instructions on inserting and removing contacts, as well as mating and unmating.

Frequently Asked Questions

Q:    What is a LEAVYSEAL connector?

A:    TE Connectivity’s LEAVYSEAL environmentally sealed connectors are designed for cable to cable, cable to board, and cable to device applications. The LEAVYSEAL connectors are used in harsh environment applications where even a small degradation in connection may be critical.

    What are the appropriate applications for LEAVYSEAL connectors?

A:    Truck, Bus, Off-highway, Construction, Agriculture, Mining, Emergency Vehicles, Forestry, Recreational, Marine, Motorcycle.


Q:    When should I use LEAVYSEAL connectors?

A:     LEAVYSEAL connectors provide reliability and performance on the engine or transmission, under the hood, bulkheads, power control units, on the chassis, or in the cab. LEAVYSEAL connectors offer field proven reliability and rugged quality. Rectangular, thermoplastic housings offer a wide operating temperature range and silicone rear wire and interface seals allow the connectors to withstand conditions of extreme temperature and moisture. The connectors feature an integrated lever for mating and integrated secondary locking device for contact alignment and retention.