Automotive Connector Caps & Covers

High-Performance Protection for Automotive Connectors

Keep your automotive connectors protected from dust, moisture, vibration, and harsh environments. LHE connector caps and covers are designed for precise fitment, enhanced durability, and dependable performance in demanding applications.

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WM-8P Male Power Signal DTM TPA

Original Part Number: WM-8P

LHE Part Number: TPA10012

Contact Tab Size Series: TPA

Color: Orange

Number of Positions: 8 Position

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WM-6S Female Power Signal DTM TPA

Original Part Number: WM-6S

LHE Part Number: TPA10011

Contact Tab Size Series: TPA

Color: Orange

Number of Positions: 6 Position

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WM-6P Male Power Signal DTM TPA

Original Part Number: WM-6P

LHE Part Number: TPA10010

Contact Tab Size Series: TPA

Color: Orange

Number of Positions: 6 Position

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WM-4S Female Connector Position Assurance

Original Part Number: WM-4S

LHE Part Number: TPA10009

Contact Tab Size Series: TPA

Color: Orange

Number of Positions: 4 Position

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WM-4P Male Connector Position Assurance

Original Part Number: WM-4P

LHE Part Number: TPA10008

Contact Tab Size Series: TPA

Color: Orange

Number of Positions: 4 Position

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WM-3S Female Wire Cable Secondary Lock

Original Part Number: WM-3S

LHE Part Number: TPA10007

Contact Tab Size Series: TPA

Color: Orange

Number of Positions: 3 Position

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WM-3P Male Wire Cable Secondary Lock

Original Part Number: WM-3P

LHE Part Number: TPA10006

Contact Tab Size Series: TPA

Color: Orange

Number of Positions: 3 Position

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WM-2S Female Wire to Wire Connector Locks

Original Part Number: WM-2S

LHE Part Number: TPA10005

Contact Tab Size Series: TPA

Color: Orange

Number of Positions: 2 Position

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WM-2P Wire to Wire Connector Locks

Original Part Number: WM-2P

LHE Part Number: TPA10004

Contact Tab Size Series: TPA

Color: Orange

Number of Positions: 2 Position

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W3S-1939-P012 Locks Position Assurance

Original Part Number: W3S-1939-P012

LHE Part Number: TPA10002

Contact Tab Size Series: TPA

Color: Blue

Number of Positions: 3 Position

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W3P-1939 Connector Locks Position Assurance

Original Part Number: W3P-1939

LHE Part Number: TPA10001

Contact Tab Size Series: TPA

Color: Blue

Number of Positions: 3 Position

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12146933 Black Cover Assembly Caps

Original Part Number: 12146933

LHE Part Number: 403023

Contact Tab Size Series: Dust Cap

Color: Black

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How Connector Caps Help Prevent Corrosion

Corrosion is a common cause of connector failure in automotive, marine, and industrial applications. When moisture, dust, salt, or other contaminants enter an electrical connector, they can damage metal contacts, leading to poor conductivity, intermittent faults, or complete failure.

A connector cap provides a simple but effective protective seal. By covering unused or exposed connectors, it helps keep out water, dirt, and other contaminants, maintaining a clean and dry environment inside the connector.

This protection is especially important in harsh operating conditions where connectors are exposed to vibration, temperature changes, humidity, and chemicals. Reducing contamination helps extend connector service life and maintain reliable electrical performance.

Using the right connector cap is an easy and cost-effective way to protect wiring systems, minimize maintenance, and reduce the risk of unexpected downtime.

WM-8P Male Power Signal DTM TPA

Choosing the Right Protection for Your Electrical Systems

Different applications require different types of connector protection. Selecting the right cap, seal, or wire cover helps prevent contamination, improve connector reliability, and extend service life. Compare the options below to find the solution that best fits your application.

Connector Caps

These are perfect for sealing off unused connector ports or covering exposed terminals. They’re ideal when you want to keep dirt and moisture out of places that aren’t always connected.

Best for:

  • Protecting unused ports
  • Temporary covers during maintenance
  • Blocking moisture and dust in outdoor or mobile setups
01

Seals

Seals are built into the connection itself, often in the form of rubber gaskets or ring seals inside the connector. They create a tight fit between the connector halves and help keep water and debris out when the connection is in use.

Best for:

  • Active, in-use connections
  • Environments with lots of vibration or movement
  • Long-term sealing in critical systems
02

Wire Covers

Wire connector covers are broader in shape and can cover the entire connector housing or even multiple wires. They offer additional protection against abrasion, UV exposure, and external impact.

Best for:

  • Harsh industrial or off-road environments
  • Grouped wires or large connectors
  • Protecting from physical damage
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