1978 GMC C25 Electrical Parts
Find Your Specific 1978 GMC C25 Electrical Parts
Below you will find various in-demand GMC Electrical Parts, components and accessories for your 1978 C25. Advance Auto Parts has popular C25 parts like Wire Connectors, Driving Safety Monitoring System Parts, Electrical Connectors and more. You’ll also find aftermarket and OEM Electrical Parts for other C25 model years including
1975,
1976,
1977 and more. Select a category of 1978 GMC C25 Electrical Parts below and start saving instantly.
Popular 1978 GMC C25 Electrical Parts Categories
Essential Electrical Parts for 1978 GMC C25s
Carquest – Carquest Engine Oil Pressure Switch, 59A1021 (Part No.59A1021)
from
$11.49
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, SBA3625 (Part No.SBA3625)
Carquest Premium – Carquest Engine Oil Pressure Switch, SBC4422 (Part No.SBC4422)
from
$51.99
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.
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Carquest – Carquest Engine Oil Pressure Switch, 59A1027 (Part No.59A1027)
from
$14.79
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 – Carquest Engine Oil Pressure Switch, 59C1024 (Part No.59C1024)
from
$31.49
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 Electric Fuel Pump Inertia Switch, SBA4426 (Part No.SBA4426)
from
$52.99
Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The Electric Fuel Pump Inertia Switch automatically shuts off the fuel pump in the event of a collision, enhancing safety by preventing fuel leakage and reducing the risk of fire after an accident. 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 Multi-Purpose Relay, RAC1274 (Part No.RAC1274)
from
$35.99
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.
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Dorman – Dorman High Temperature Lighting Harness, 645-998 (Part No.645-998)
from
$21.29
Make better electrical repairs and accessory installations with this versatile and durable pigtail connector. It allows quick circuit disconnections for service, and is engineered for reliable performance.
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Carquest Premium – Carquest Multi-Use Connector, PTA1217 (Part No.PTA1217)
from
$6.99
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
Upgrade your 1978 GMC C25 with Top-Quality Electrical Parts
When it comes to maintaining or upgrading your 1978 GMC C25, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your GMC or enhancing its overall performance, Electrical Parts are key to keeping your C25 functioning at its best. At Advance Auto Parts, we offer a wide selection of 11 Electrical Parts for the 1978 GMC C25, designed to meet your needs without breaking the bank.
From
Wire Connector
replacements to
Driving Safety Monitoring System Parts
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Electrical Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Electrical Parts for your 1978 GMC C25 at great prices.
Our Electrical Parts inventory for this model
ranges from just $6.99 to $52.99, with
an average price of $26.04.
Our 11 Electrical Parts in stock come from 3 trusted brands, so you’re sure to find the right part for your 1978 GMC C25 without overspending.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Electrical Part upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants
and more to make sure your 1978 GMC C25 is always ready to roll. We’re committed to providing you with everything you need to keep your C25 in top shape, all in one place.
Start shopping confidently below for your 1978 GMC C25!
Best-Selling Wire Connectors for 1978 GMC C25s
Enhance the driving experience in your GMC with 1 quality Wire Connector components, starting at $21.29.
Dorman – Dorman High Temperature Lighting Harness, 645-998 (Part No.645-998)
from
$21.29
Make better electrical repairs and accessory installations with this versatile and durable pigtail connector. It allows quick circuit disconnections for service, and is engineered for reliable performance.
See More
Most Popular 1978 GMC C25 Driving Safety Monitoring System Parts
Customize your GMC with 1 Driving Safety Monitoring System Parts products
like Electric Fuel Pump Inertia Switches, all
priced under $52.99.
Carquest Premium – Carquest Electric Fuel Pump Inertia Switch, SBA4426 (Part No.SBA4426)
from
$52.99
Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The Electric Fuel Pump Inertia Switch automatically shuts off the fuel pump in the event of a collision, enhancing safety by preventing fuel leakage and reducing the risk of fire after an accident. 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 Picks for 1978 GMC C25 Electrical Connectors
Upgrade GMC C25s with top-quality Electrical Connectors parts, including 8 OEM and aftermarket selections for your 1978 model.
Carquest Premium – Carquest Engine Oil Pressure Switch, SBC4422 (Part No.SBC4422)
from
$51.99
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
Carquest – Carquest Engine Oil Pressure Switch, 59C1024 (Part No.59C1024)
from
$31.49
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
Carquest – Carquest Engine Oil Pressure Switch, 59A1021 (Part No.59A1021)
from
$11.49
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
Carquest Premium – Carquest Engine Oil Pressure Switch, SAA4555 (Part No.SAA4555)
from
$24.99
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
Carquest – Carquest Engine Oil Pressure Switch, 59A1027 (Part No.59A1027)
from
$14.79
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
Carquest Premium – Carquest Engine Oil Pressure Switch, SBA3625 (Part No.SBA3625)
Carquest Premium – Carquest Engine Oil Pressure Switch, SAC5108 (Part No.SAC5108)
from
$11.99
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.
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Carquest Premium – Carquest Multi-Use Connector, PTA1217 (Part No.PTA1217)
from
$6.99
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
In-Demand Switches, Sensors & Relays for 1978 GMC C25s
Select from 1 premium Switches, Sensors & Relays parts for your 1978 GMC C25.
Carquest Premium – Carquest Multi-Purpose Relay, RAC1274 (Part No.RAC1274)
from
$35.99
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.
See More
FAQs for 1978 GMC C25 Electrical Parts
Which Electrical Parts are best-sellers for 1978 GMC C25s?
Out of 11 Electrical Parts that fit 1978 GMC C25s, the following parts are the top sellers:
- Carquest Engine Oil Pressure Switch, SBC4422 (12459619) – $51.99
- Carquest Engine Oil Pressure Switch, 59A1021 (12478040) – $11.49
- Carquest Engine Oil Pressure Switch, 59C1024 (12478691) – $31.49
What’s the price range for 1978 GMC C25 Electrical Parts?
Electrical Part prices for the 1978 GMC C25 start at $6.99 and go up to $52.99 for the most premium parts.
What’s the average price of a Electrical Part for a 1978 GMC C25?
The average price for Electrical Parts for the 1978 GMC C25 is $26.04. Keep in mind the variety of part types within our Electrical Part category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Electrical Parts for other GMC C25 model years?
What are the cheapest Electrical Parts for my 1978 GMC C25?
The cheapest 1978 GMC C25 Electrical Parts we carry in stock are:
- Carquest Multi-Use Connector, PTA1217 (12510795) – $6.99
- Carquest Engine Oil Pressure Switch, 59A1021 (12478040) – $11.49
- Carquest Engine Oil Pressure Switch, SAC5108 (12450164) – $11.99
- Carquest Engine Oil Pressure Switch, 59A1027 (12478144) – $14.79
- Dorman High Temperature Lighting Harness, 645-998 (12180942) – $21.29
What types of Electrical Parts do you sell for my 1978 GMC C25?
As of 8/2/26, these are some of the most in-demand types of Electrical Parts for a 1978 GMC C25:
Can I get help with 1978 GMC C25 Electrical Part orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about GMC Electrical Parts and more.
What is your return policy for GMC C25 Electrical Parts?
Advance Auto Parts keeps returns simple. For new GMC C25 Electrical Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
