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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12052634 Terminal Locks Position Assurance

Original Part Number: 12052634

LHE Part Number: TPA20055

Contact Tab Size Series: TPA

Color: Blue

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15317832 Connector Locks Position Assurance

Original Part Number: 15317832

LHE Part Number: CPA00056

Contact Tab Size Series: CPA

Color: Gray

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15423278 Blue Position Secondary Lock

Original Part Number: 15423278

LHE Part Number: TPA20057

Contact Tab Size Series: TPA

Color: Blue

Paired Connector: 15419715

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15423276 Connector Locks Position Assurance

Original Part Number: 15423276

LHE Part Number: CPA00059

Contact Tab Size Series: CPA

Color: Green

Paired Connector: 15419715

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967635-1 Connector Locks Position Assurance

Original Part Number: 967635-1

LHE Part Number: TPA10058

Contact Tab Size Series: TPA

Color: Brown

Paired Connector: 967630-1

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7157-6420-80 Connector Position Assurance

Original Part Number: 7157-6420-80

LHE Part Number: TPA20032

Contact Tab Size Series: TPA

Color: Brown

Paired Connector: 7122-4123-30

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7157-6421-80 Connector Position Assurance

Original Part Number: 7157-6421-80

LHE Part Number: TPA20033

Contact Tab Size Series: TPA

Color: Brown

Paired Connector: 7123-4123-30

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1670789-1 Red Terminal Position Assurance

Original Part Number: 1670789-1

LHE Part Number: TPA10031

Contact Tab Size Series: TPA

Color: Red

Paired Connector: 1-2112780-9

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368388-1 Yellow Position Secondary Lock

Original Part Number: 368388-1

LHE Part Number: TPA10030

Contact Tab Size Series: TPA

Color: Yellow

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12160437 Blue Position Secondary Lock

Original Part Number: 12160437

LHE Part Number: TPA20029

Contact Tab Size Series: TPA

Color: Blue

Paired Connector: 12110250

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MG631233-7 Power Wire Secondary Lock

Original Part Number: MG631233-7

LHE Part Number: TPA20028

Contact Tab Size Series: TPA

Color: Black

Paired Connector: MG641234-5

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W12S-P012 Power Wire Secondary Lock

Original Part Number: W12S-P012

LHE Part Number: TPA10065

Contact Tab Size Series: TPA

Color: Green

Number of Positions: 12 Position

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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.

12052634 Terminal Locks Position Assurance

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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