Electrical Connector Caps & Covers

Ensure the Longevity and Safety of Your Electrical Systems

Our electrical connector caps and wire connector covers are the perfect solution to protect your connections from dirt, moisture, and other contaminants. Whether you’re working in automotive, marine, or industrial applications, these caps help prevent damage, corrosion, and short circuits that can disrupt your system.

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15494586 Automotive Connector Caps Covers

Original Part Number: 15494586

LHE Part Number: 403005

Contact Tab Size Series: Cover

Color: Black

Paired Connector: 15494596

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12160494 Connector Power Triple Lock

Original Part Number: 12160494

LHE Part Number: TPA10076

Contact Tab Size Series: TPA

Color: White

Number of Positions: 20 Position

Paired Connector: 13603422

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7157-7566-90 Connector Power Triple Lock

Original Part Number: 7157-7566-90

LHE Part Number: TPA10075

Contact Tab Size Series: TPA

Color: Blue

Number of Positions: 84 Position

Paired Connector: 7222-1567

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7157-7565-30 Connector Power Triple Lock

Original Part Number: 7157-7565-30

LHE Part Number: TPA10074

Contact Tab Size Series: TPA

Color: Black

Number of Positions: 84 Position

Paired Connector: 7222-1567

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MX23A34XF1 Orange Terminal Position Assurance

Original Part Number: MX23A34XF1

LHE Part Number: TPA10073

Contact Tab Size Series: TPA

Color: Orange

Number of Positions: 34 Position

Paired Connector: MX23A34SF1

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MX23A26XF1 Orange Terminal Position Assurance

Original Part Number: MX23A26XF1

LHE Part Number: TPA10072

Contact Tab Size Series: TPA

Color: Orange

Number of Positions: 26 Position

Paired Connector: MX23A26SF1

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MX23A18XF1 Orange Terminal Position Assurance

Original Part Number: MX23A18XF1

LHE Part Number: TPA10071

Contact Tab Size Series: TPA

Color: Orange

Paired Connector: MX23A18SF1

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15357145 Red Connector Position Assurance

Original Part Number: 15357145

LHE Part Number: CPA00069

Contact Tab Size Series: CPA

Color: Red

Paired Connector: 15452126

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15357143 Blue Terminal Position Assurance

Original Part Number: 15357143

LHE Part Number: TPA10068

Contact Tab Size Series: TPA

Color: Blue

Paired Connector: 15452126

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15357144 Blue Terminal Position Assurance

Original Part Number: 15357144

LHE Part Number: TPA10067

Contact Tab Size Series: TPA

Color: Blue

Paired Connector: 15452126

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12047948 Terminal Locks Position Assurance

Original Part Number: 12047948

LHE Part Number: TPA20054

Contact Tab Size Series: TPA

Color: Black

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12052845 Terminal Locks Position Assurance

Original Part Number: 12052845

LHE Part Number: TPA20053

Contact Tab Size Series: TPA

Color: White

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How Connector Caps Help Prevent Corrosion

Corrosion is one of the most common and expensive issues in electrical systems—especially in vehicles, outdoor equipment, and industrial machinery. It happens when moisture, dirt, or chemicals sneak into your electrical connectors and start breaking things down from the inside. That’s where connector caps come in.

A good connector cap acts like a barrier. It seals off the open end of a connector or an unused port, keeping out water, dust, salt, and other contaminants. This small but important component helps maintain a clean, dry environment inside the connector, which is key to stopping corrosion before it starts.

Over time, even a tiny bit of moisture can cause metal contacts to rust or oxidize. In automotive or marine environments, where connectors are exposed to constant vibration and changing temperatures, corrosion can creep in fast.

Using the right wire connector caps is a simple, affordable way to avoid bigger problems down the road—like damaged wiring harnesses, fried circuits, or replacement costs for sensitive electrical components. So if you want to extend the life of your electrical systems and avoid surprise downtime or repair bills, don’t overlook the importance of a good-quality cap.

15494586 Automotive Connector Caps Covers

Protect What Powers You

When it comes to electrical systems, even the smallest detail can make a big difference. That’s where our connector caps and wire connector covers come in. These simple add-ons help keep your wiring protected, your connections stable, and your downtime to a minimum—whether you’re in the garage, on the road, or out in the field.

Choosing the Right Protection for Your Electrical Systems

Not all protection is created equal—and not every electrical connection needs the same kind of cover. When it comes to safeguarding your connectors, it’s important to pick the right solution for your setup. Whether it’s a connector cap, a seal, or a wire cover, here’s a quick tip to help you decide:

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
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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
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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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