2004 Toyota Highlander Electrical Connectors

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Keep Your 2004 Toyota Highlander in Top Shape with Quality Electrical Connectors

Whether you’re repairing or upgrading your Electrical Connector, using high-quality parts is key to keeping your 2004 Toyota Highlander looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Fuel Tank Pressure Sensor Connectors, Oil Pressure Switch and Senders, and Ignition Knock (Detonation) Sensor Connectors. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 2004 Toyota Highlander Electrical Connector at Advance Auto Parts is around $48.89, with a range that starts at $11.99 and goes up to $182.99. With 13 options in stock from 5 trusted brands, finding the right fit is easy. Popular picks like Carquest Engine Oil Pressure Switch, SBA1018, Carquest Engine Oil Pressure Switch, SBC1029, and Carquest Engine Oil Pressure Switch, 59A1016 start at just $16.49 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Electrical Connector, don’t forget to check out other key components like Cruise Control Parts and Electrical Motors. At Advance Auto Parts, we’re here to help you keep your 2004 Toyota Highlander in peak condition, inside and out.

Essential 2004 Toyota Highlander Electrical Connectors

Carquest Premium – Carquest Multi-Use Connector, PTA2956 (Part No.PTA2956)

Carquest Multi-Use Connector, PTA2956

from

$182.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
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Carquest Premium – Carquest Multi-Use Connector, PTA1106 (Part No.PTA1106)

Carquest Multi-Use Connector, PTA1106

from

$43.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
See More

Carquest Premium – Carquest Multi-Use Connector, PTA1804 (Part No.PTA1804)

Carquest Multi-Use Connector, PTA1804

from

$21.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
See More

Carquest Premium – Carquest Multi-Use Connector, PTC1537 (Part No.PTC1537)

Carquest Multi-Use Connector, PTC1537

from

$78.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
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DENSO – DENSO Relay, 567-0003 (Part No.567-0003)

DENSO Relay, 567-0003

from

$21.99
Relay IGNITION/EMISSION – ELECTRICAL COMPONENTS>SWITCHES & RELAYS>RELAYS>RELAYS from DENSO
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Carquest Premium – Carquest Engine Oil Pressure Switch, SBA1018 (Part No.SBA1018)

Carquest Engine Oil Pressure Switch, SBA1018

from

$23.99
Carquest Premium Vehicle Solutions line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The oil pressure switch reports engine oil system pressures to the on-board computer or directly to a dash light, and when oil pressure is low, will notify on-board computers and illuminate the low oil pressure warning light. When not replaced, vehicle operator may not be notified of engine oil pressures falling below critical limits. A failing or improperly functioning oil pressure switch will provide erratic or inaccurate readings to on-board computers, affecting performance and system function. In more advanced vehicles, an improperly functioning oil pressure switch may not notify on-board computers of critical system pressure, thus not allowing the computers to place the vehicle into limp mode to protect the engine.
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Carquest – Carquest Engine Oil Pressure Switch, 59A1016 (Part No.59A1016)

Carquest Engine Oil Pressure Switch, 59A1016

from

$16.49
Carquest Vehicle Solutions provides high-quality solutions for a wide range of applications. The Oil Pressure Sensor/Switch monitors the engine’s oil pressure, providing critical feedback to the driver and engine control unit to prevent potential damage from low oil pressure conditions. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.
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Carquest Premium – Carquest Engine Oil Pressure Switch, SBC1029 (Part No.SBC1029)

Carquest Engine Oil Pressure Switch, SBC1029

from

$23.99
Carquest Premium oil pressure sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium oil pressure sensors and switches are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium oil pressure sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. They are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered, and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
See More

Carquest Premium – Carquest Engine Oil Pressure Switch, SBA1981 (Part No.SBA1981)

Carquest Engine Oil Pressure Switch, SBA1981

from

$65.99
Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The Oil Pressure Sensor/Switch monitors the engine’s oil pressure, providing critical feedback to the driver and engine control unit to prevent potential damage from low oil pressure conditions. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.
See More

ACDelco – ACDelco Engine Oil Pressure Switch, E1805A (Part No.E1805A)

ACDelco Engine Oil Pressure Switch, E1805A

from

$31.99
ACDelco Professional Engine Oil Pressure Switch is a high quality aftermarket replacement component for one or more of the following vehicle systems: engine – mechanical. This premium aftermarket switch is manufactured to meet or exceed your expectations for fit, form, and function.
See More

Carquest Premium – Carquest Multi-Use Connector, PTA1004 (Part No.PTA1004)

Carquest Multi-Use Connector, PTA1004

from

$11.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
See More

Carquest Premium – Carquest Multi-Use Connector, JAA1077 (Part No.JAA1077)

Carquest Multi-Use Connector, JAA1077

from

$61.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
See More

Carquest Premium – Carquest Multi-Use Connector, PTA2973 (Part No.PTA2973)

Carquest Multi-Use Connector, PTA2973

from

$53.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
See More

Carquest Premium – Carquest Multi-Use Connector, PTC3048 (Part No.PTC3048)

Carquest Multi-Use Connector, PTC3048

from

$72.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
See More

Dorman – Dorman Engine Knock Sensor Harness, 926-772 (Part No.926-772)

Dorman Engine Knock Sensor Harness, 926-772

from

$39.99
This ignition knock (detonation) sensor harness is designed to match the fit, function and appearance of the original harness on specified vehicles, and is engineered for durability and reliable performance.
See More

Carquest Premium – Carquest Multi-Use Connector, PTC2984 (Part No.PTC2984)

Carquest Multi-Use Connector, PTC2984

from

$64.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
See More

Dorman – Dorman Engine Knock Sensor Harness, 917-032 (Part No.917-032)

Dorman Engine Knock Sensor Harness, 917-032

from

$64.99
This ignition knock (detonation) sensor connector is designed to match the fit and function of the original connector on specified applications, and is engineered for reliable performance and durability.
See More

Most Popular Fuel Tank Pressure Sensor Connector for 2004 Toyota Highlanders

Enhance your 2004 Toyota Highlander with this popular Fuel Tank Pressure Sensor Connector we have in stock, for $182.99.

Carquest Premium – Carquest Multi-Use Connector, PTA2956 (Part No.PTA2956)

Carquest Multi-Use Connector, PTA2956

from

$182.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
See More

Best-Selling 2004 Toyota Highlander Oil Pressure Switch and Senders

Upgrade your Highlander with one of our 5 best-selling Oil Pressure Switch and Senders.

Carquest Premium – Carquest Engine Oil Pressure Switch, SBA1018 (Part No.SBA1018)

Carquest Engine Oil Pressure Switch, SBA1018

from

$23.99
Carquest Premium Vehicle Solutions line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The oil pressure switch reports engine oil system pressures to the on-board computer or directly to a dash light, and when oil pressure is low, will notify on-board computers and illuminate the low oil pressure warning light. When not replaced, vehicle operator may not be notified of engine oil pressures falling below critical limits. A failing or improperly functioning oil pressure switch will provide erratic or inaccurate readings to on-board computers, affecting performance and system function. In more advanced vehicles, an improperly functioning oil pressure switch may not notify on-board computers of critical system pressure, thus not allowing the computers to place the vehicle into limp mode to protect the engine.
See More

Carquest Premium – Carquest Engine Oil Pressure Switch, SBC1029 (Part No.SBC1029)

Carquest Engine Oil Pressure Switch, SBC1029

from

$23.99
Carquest Premium oil pressure sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium oil pressure sensors and switches are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium oil pressure sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. They are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered, and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
See More

Carquest – Carquest Engine Oil Pressure Switch, 59A1016 (Part No.59A1016)

Carquest Engine Oil Pressure Switch, 59A1016

from

$16.49
Carquest Vehicle Solutions provides high-quality solutions for a wide range of applications. The Oil Pressure Sensor/Switch monitors the engine’s oil pressure, providing critical feedback to the driver and engine control unit to prevent potential damage from low oil pressure conditions. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.
See More

ACDelco – ACDelco Engine Oil Pressure Switch, E1805A (Part No.E1805A)

ACDelco Engine Oil Pressure Switch, E1805A

from

$31.99
ACDelco Professional Engine Oil Pressure Switch is a high quality aftermarket replacement component for one or more of the following vehicle systems: engine – mechanical. This premium aftermarket switch is manufactured to meet or exceed your expectations for fit, form, and function.
See More

Carquest Premium – Carquest Engine Oil Pressure Switch, SBA1981 (Part No.SBA1981)

Carquest Engine Oil Pressure Switch, SBA1981

from

$65.99
Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The Oil Pressure Sensor/Switch monitors the engine’s oil pressure, providing critical feedback to the driver and engine control unit to prevent potential damage from low oil pressure conditions. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.
See More

Top-Quality Ignition Knock (Detonation) Sensor Connectors for 2004 Toyota Highlanders

Choose a high-quality OEM or aftermarket Ignition Knock (Detonation) Sensor Connector for Toyota Highlanders and enjoy top-notch performance from $39.99.

Carquest Premium – Carquest Multi-Use Connector, PTC3048 (Part No.PTC3048)

Carquest Multi-Use Connector, PTC3048

from

$72.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
See More

Dorman – Dorman Engine Knock Sensor Harness, 926-772 (Part No.926-772)

Dorman Engine Knock Sensor Harness, 926-772

from

$39.99
This ignition knock (detonation) sensor harness is designed to match the fit, function and appearance of the original harness on specified vehicles, and is engineered for durability and reliable performance.
See More

Our Top Pick for a 2004 Toyota Highlander Fog Light Connector

Invest in a durable Fog Light Connector for your 2004 Toyota, knowing you’re getting trusted brands and expert craftsmanship.

Carquest Premium – Carquest Multi-Use Connector, PTA1004 (Part No.PTA1004)

Carquest Multi-Use Connector, PTA1004

from

$11.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
See More

Our Air Charge Temperature Sensor Connectors for 2004 Toyota Highlanders

Make a smart move for your 2004 Toyota Highlander with our Air Charge Temperature Sensor Connector for $43.99.

Carquest Premium – Carquest Multi-Use Connector, PTA1106 (Part No.PTA1106)

Carquest Multi-Use Connector, PTA1106

from

$43.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
See More

FAQs for 2004 Toyota Highlander Electrical Connectors

What are the best-selling Electrical Connectors for 2004 Toyota Highlanders?

Out of 13 Electrical Connectors that fit 2004 Toyota Highlanders, the following parts are the top sellers:

What’s the price range for 2004 Toyota Highlander Electrical Connectors?

The prices of Electrical Connectors for the 2004 Toyota Highlander range from $11.99 up to $182.99 for the most premium parts.

What is the average price of an Electrical Connector for a 2004 Toyota Highlander?

The average price for Electrical Connectors for the 2004 Toyota Highlander is $48.89. Keep in mind the variety of part types within our Electrical Connector category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Electrical Connectors for other Toyota Highlander model years?

Yes, we carry Electrical Connectors for 23 model years of Toyota Highlanders between 2001 and 2025. The following model years are the most popular for Electrical Connector purchases: 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, and 2014.

What are the cheapest Electrical Connectors for my 2004 Toyota Highlander?

The cheapest 2004 Toyota Highlander Electrical Connectors we carry are:

Does Advance Auto Parts sell Electrical Connectors for any other 2004 Toyota models?

Yes. We stock Electrical Connectors for 15 other popular 2004 Toyota models. Some of the most popular are 2004 Corolla Electrical Connectors, 2004 4Runner Electrical Connectors, 2004 Camry Electrical Connectors, 2004 Land Cruiser Electrical Connectors, and 2004 Celica Electrical Connectors.

What types of Electrical Connectors do you sell for my 2004 Toyota Highlander?

As of 8/2/26, these are some of the most in-demand types of Electrical Connectors for a 2004 Toyota Highlander:

Can I get help with 2004 Toyota Highlander Electrical Connector orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Toyota Electrical Connectors and more.

What is your return policy for Toyota Highlander Electrical Connectors?

Advance Auto Parts keeps returns simple. For new Toyota Highlander Electrical Connectors and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.