1978 GMC K15 Interior Products
Find Your Specific 1978 GMC K15 Interior Products
Below you will find various in-demand GMC Interior Products, components and accessories for your 1978 K15. Advance Auto Parts has popular K15 parts like Horn Parts, Brake Pedals, Gauges and more. You’ll also find aftermarket and OEM Interior Products for other K15 model years including
1975,
1976,
1977 and more. Select a category of 1978 GMC K15 Interior Products below and start saving instantly.
Popular 1978 GMC K15 Interior Products Categories
Essential Interior Products for 1978 GMC K15s
Carquest Premium – Carquest Dimmer Switch, DSC1088 (Part No.DSC1088)
from
$28.99
Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The Dimmer Switch enhances driver comfort and visibility by allowing easy customization of dashboard and interior light levels. 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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Dorman – Help – Dorman – Help Brake and Clutch Bushings, 74016 (Part No.74016)
from
$10.99
This brake pedal bushing is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
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Dorman – Help – Dorman – Help Turn Signal Return Springs, Pack of 2, 49312 (Part No.49312)
from
$4.99
This turn signal cam retainer spring is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
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Dorman – Help – Dorman – Help Horn Contact Kit, 83230 (Part No.83230)
from
$8.49
This horn contact repair kit is designed to match the original components required to repair the horn on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability.
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Dorman – Help – Dorman – Help Turn Signal Canceling Cam, 83233 (Part No.83233)
from
$12.99
This turn signal cam is designed to match the fit and function of the original cam on specified vehicles, and is engineered for durability and reliable performance.
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ATP – ATP Accelerator Cable, Y-264 (Part No.Y-264)
from
$28.49
Accelerator cables connect the foot pedal to either the carburetor or EFI assembly. Old cables can bind, break, or just become sluggish. The best repair is to replace the old cable with a new one. Pioneer accelerator cables are designed to fit and function just like the original part to ensure durability and long life.
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Fiamm – Fiamm Low Note Replacement Horn: Low Tone, 125 dB, 7201223 (Part No.7201223)
from
$21.99
The Am-80SX is designed to provide lightweight compact size, yet powerful sound. It exceeds S.A.E. and O.E.M specifications for a wide range of vehicle application.
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Carquest Premium – Carquest Turn Signal Switch, SAA4566 (Part No.SAA4566)
from
$52.99
Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The Turn Signal Switch allows drivers to easily activate turn signals to indicate lane changes or turns, improving communication with other road users and enhancing overall driving safety. 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-Use Connector, PTA1258 (Part No.PTA1258)
from
$29.99
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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Needa Parts – Needa Parts Brake and Clutch Pedal Pad, 20738 (Part No.20738)
from
$7.29
This parking brake pedal pad is designed to match the fit & appearance of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
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Dorman – Help – Dorman – Help Parking Brake Pedal Pads, 20741 (Part No.20741)
from
$8.29
This parking brake pedal pad is designed to match the fit and appearance of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
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ATP – ATP Speedometer Gear, YA-16 (Part No.YA-16)
from
$15.99
ATP Speedometer Gear 20 teeth, blue color, for GM transmissions TH-200, TH-250, TH400, TH700-R4
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ATP – ATP SPEEDO GEAR, YA-33 (Part No.YA-33)
from
$70.99
ATP SPEEDO GEAR, YA-33. DRIVELINE – TRANSMISSION PARTS>TRANSMISSION PARTS>TRANSMISSION PARTS-MISCELLANEOUS>TRANSMISSION PARTS-MISCELLANEOU from ATP
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ATP – ATP Speedometer Gear, YA-18 (Part No.YA-18)
from
$19.29
ATP Speedometer Gear 22 teeth, silver color, for GM transmissions TH-200, TH-250, TH400, TH700-R4
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ATP – ATP Speedometer Gear, YA-15 (Part No.YA-15)
from
$14.29
ATP Speedometer Gear 19 teeth, natural color, for GM transmissions TH-200, TH-250, TH400, TH700-R4
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Dorman – Help – Dorman – Help Brake Pedal Pad, 20771 (Part No.20771)
from
$11.49
Pedal cover worn out or missing- This brake pedal pad is a direct replacement for a cracked, worn or missing pad, restoring a safe gripping surface to the brake pedal for safety and comfort.
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ATP – ATP Speedometer Cable, Y-804 (Part No.Y-804)
from
$14.79
Speedometer cables connect the speedometer to the transmission. Old cables can bind, break, or just become sluggish. The best repair is to replace the old cable with a new one. ATP Speedometer cables are designed to fit And function just like the original part to ensure durability And long life.
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ATP – ATP Speedometer Cable, Y-803 (Part No.Y-803)
from
$18.99
Speedometer cables connect the speedometer to the transmission. Old cables can bind, break, or just become sluggish. The best repair is to replace the old cable with a new one. ATP Speedometer cables are designed to fit and function just like the original part to ensure durability and long life.
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Grant – Use With All Grant Classic/Challenger/Signature Series Steering Wheels, Black, 3196 (Part No.3196)
from
$54.99
Standard Installation Kit. This is the standard Grant Steering Wheel Installation Kit. These kits may be used to install all Classic Series, Challenger Series or Signature Series Steering Wheels. Each kit contains complete step-by-step instructions, a die cast hub, grade 5 hardware and matte black trim pieces.
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KAI – KAI Pedal Pivot Mount, GMK4012911683 (Part No.GMK4012911683)
Carquest Premium – Carquest Multi-Use Connector, PTA1024 (Part No.PTA1024)
from
$4.99
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, PTA1143 (Part No.PTA1143)
from
$9.99
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 – Help – Dorman – Help Brake and Clutch Pedal Pad, 20732 (Part No.20732)
from
$9.99
Pedal cover worn out or missing? This brake pedal pad is a direct replacement for a cracked, worn or missing pad, restoring a safe gripping surface to the brake pedal for safety and comfort.
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Upgrade your 1978 GMC K15 with Top-Quality Interior Products
When it comes to maintaining or upgrading your 1978 GMC K15, 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, Interior Products are key to keeping your K15 functioning at its best. At Advance Auto Parts, we offer a wide selection of 35 Interior Products for the 1978 GMC K15, designed to meet your needs without breaking the bank.
From
Horn Part
replacements to
Brake Pedals
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 Interior Products for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Interior Products for your 1978 GMC K15 at great prices.
Our Interior Products inventory for this model
ranges from just $4.99 to $70.99, with
an average price of $20.34.
Our 35 Interior Products in stock come from 8 trusted brands, so you’re sure to find the right part for your 1978 GMC K15 without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1978 GMC K15, we stock popular OEM and aftermarket Interior Products from top names
like Dorman, and more.
Dorman Interior Products
start at just $4.99 and boast an impressive 4.2 stars average rating from customers.
With 294 customer reviews and counting, our 1978 GMC K15 Interior Products have a strong track record of reliability, ensuring you can trust your purchase.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Interior Product upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants
and more to make sure your 1978 GMC K15 is always ready to roll. We’re committed to providing you with everything you need to keep your K15 in top shape, all in one place.
Start shopping confidently below for your 1978 GMC K15!
Best-Selling Horn Parts for 1978 GMC K15s
Enhance the driving experience in your GMC with 4 quality Horn Part components, starting at $8.49.
Dorman – Help – Dorman – Help Horn Contact Kit, 83230 (Part No.83230)
from
$8.49
This horn contact repair kit is designed to match the original components required to repair the horn on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability.
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Carquest Premium – Carquest Horn, HAC1001 (Part No.HAC1001)
from
$35.99
These universal horn accessories are ideal for applications requiring a horn where a horn was not originally provided or to replace a horn where the application no longer is available.
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Fiamm – Fiamm Low Note Replacement Horn: Low Tone, 125 dB, 7201223 (Part No.7201223)
from
$21.99
The Am-80SX is designed to provide lightweight compact size, yet powerful sound. It exceeds S.A.E. and O.E.M specifications for a wide range of vehicle application.
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Fiamm – Fiamm AM-80SX High Tone Replacement Horn: Universal Fit for all 12 Volt Applications, 7200223 (Part No.7200223)
from
$19.99
The AM-80SX is designed to provide lightweight compact size, yet powerful sound. It exceeds S.A.E. and O.E.M specifications for a wide range of vehicle application.
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Most Popular 1978 GMC K15 Brake Pedals
Customize your GMC with 4 Brake Pedals products
like Brake Pedal Pads and
Parking Brake Pedal Pads, all
priced under $11.49.
Dorman – Help – Dorman – Help Brake Pedal Pad, 20771 (Part No.20771)
from
$11.49
Pedal cover worn out or missing- This brake pedal pad is a direct replacement for a cracked, worn or missing pad, restoring a safe gripping surface to the brake pedal for safety and comfort.
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Dorman – Help – Dorman – Help Parking Brake Pedal Pads, 20741 (Part No.20741)
from
$8.29
This parking brake pedal pad is designed to match the fit and appearance of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
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KAI – KAI Park Brake Pedal Pad, GMK4020914671 (Part No.GMK4020914671)
from
$8.99
New Goodmark Park Brake Pedal Pad EXTERNAL SUPPLY>FDO>BACK ROOM-FDO>APPLICATION SPECIFIC from KAI
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Needa Parts – Needa Parts Brake and Clutch Pedal Pad, 20738 (Part No.20738)
from
$7.29
This parking brake pedal pad is designed to match the fit & appearance of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
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Top Picks for 1978 GMC K15 Gauges
Upgrade GMC K15s with top-quality Gauges parts, including 12 OEM and aftermarket selections for your 1978 model.
ATP – "ATP Universal Speedometer Core Repair Kit 83"", YC-100" (Part No.YC-100)
from
$15.29
“Speedometer Cable Core Kit provides a lower cost alternative to cable repair when the cable core has broken or kinked. Each kit includes 0.130″” diameter S.A.E./O.E.M. standard multi-coiled wire cable with squared end, universal metal tip and spacer washer. Cut cable end to desired length and attach tip using staking tool (included). The overall length of the cable core is 83″”.”
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ATP – ATP Speedometer Cable, Y-803 (Part No.Y-803)
from
$18.99
Speedometer cables connect the speedometer to the transmission. Old cables can bind, break, or just become sluggish. The best repair is to replace the old cable with a new one. ATP Speedometer cables are designed to fit and function just like the original part to ensure durability and long life.
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ATP – ATP Speedometer Cable, Y-816 (Part No.Y-816)
from
$20.29
ATP Speedometer Cable, Y-816. DRIVELINE – TRANSMISSION PARTS>CABLES>IGNITION/EMISSION CABLES>SPEEDOMETER CABLES from ATP
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ATP – ATP Speedometer Cable, Y-815 (Part No.Y-815)
from
$17.29
Speedometer cables connect the speedometer to the transmission. Old cables can bind, break, or just become sluggish. The best repair is to replace the old cable with a new one. ATP Speedometer cables are designed to fit and function just like the original part to ensure durability and long life.
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ATP – "ATP Universal Speedometer Core Repair Kit 120"", YC-101" (Part No.YC-101)
from
$15.29
“ATP Speedometer Cable Core Kit provides a lower cost alternative to cable repair when the cable core has broken or kinked. Each kit includes 0.130″” diameter S.A.E./O.E.M. standard multi-coiled wire cable with squared end, universal metal tip and spacer washer. Cut cable end to desired length and attach tip using staking tool (included). The overall length of the cable core is 120″”.”
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ATP – ATP Speedometer Cable, Y-817 (Part No.Y-817)
from
$15.49
Speedometer cables connect the speedometer to the transmission. Old cables can bind, break, or just become sluggish. The best repair is to replace the old cable with a new one. ATP Speedometer cables are designed to fit and function just like the original part to ensure durability and long life.
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ATP – ATP SPEEDO GEAR, YA-1 (Part No.YA-1)
from
$33.99
ATP SPEEDO GEAR, YA-1. DRIVELINE – TRANSMISSION PARTS>TRANSMISSION PARTS>TRANSMISSION PARTS-MISCELLANEOUS>TRANSMISSION PARTS-MISCELLANEOU from ATP
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ATP – ATP Speedometer Gear, YA-15 (Part No.YA-15)
from
$14.29
ATP Speedometer Gear 19 teeth, natural color, for GM transmissions TH-200, TH-250, TH400, TH700-R4
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ATP – ATP Speedometer Gear, YA-16 (Part No.YA-16)
from
$15.99
ATP Speedometer Gear 20 teeth, blue color, for GM transmissions TH-200, TH-250, TH400, TH700-R4
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ATP – ATP Speedometer Gear, YA-17 (Part No.YA-17)
from
$21.29
ATP Speedometer Gear 21 teeth, red color, for GM transmissions TH-200, TH-250, TH400, TH700-R4
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ATP – ATP Speedometer Gear, YA-18 (Part No.YA-18)
from
$19.29
ATP Speedometer Gear 22 teeth, silver color, for GM transmissions TH-200, TH-250, TH400, TH700-R4
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ATP – ATP SPEEDO GEAR, YA-33 (Part No.YA-33)
from
$70.99
ATP SPEEDO GEAR, YA-33. DRIVELINE – TRANSMISSION PARTS>TRANSMISSION PARTS>TRANSMISSION PARTS-MISCELLANEOUS>TRANSMISSION PARTS-MISCELLANEOU from ATP
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In-Demand Instrument Panels for 1978 GMC K15s
Select from 5 premium Instrument Panels parts for your 1978 GMC K15, with prices ranging from $4.99 to $29.99.
Carquest Premium – Carquest Multi-Use Connector, PTA1024 (Part No.PTA1024)
from
$4.99
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 – Carquest Dimmer Switch, 52C1001 (Part No.52C1001)
from
$21.99
Carquest Vehicle Solutions provides high-quality solutions for a wide range of applications. The Dimmer Switch enhances driver comfort and visibility by allowing easy customization of dashboard and interior light levels. 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 Dimmer Switch, DSC1088 (Part No.DSC1088)
from
$28.99
Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The Dimmer Switch enhances driver comfort and visibility by allowing easy customization of dashboard and interior light levels. 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 Multi-Use Connector, PTA1143 (Part No.PTA1143)
from
$9.99
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, PTA1258 (Part No.PTA1258)
from
$29.99
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
Most Sold 1978 GMC K15 Steering Wheels
Explore our best-selling GMC parts for the 1978 K15 among 1 OEM and aftermarket options starting from $54.99.
Grant – Use With All Grant Classic/Challenger/Signature Series Steering Wheels, Black, 3196 (Part No.3196)
from
$54.99
Standard Installation Kit. This is the standard Grant Steering Wheel Installation Kit. These kits may be used to install all Classic Series, Challenger Series or Signature Series Steering Wheels. Each kit contains complete step-by-step instructions, a die cast hub, grade 5 hardware and matte black trim pieces.
See More
Top-Rated Interior Products Brands For Your 1978 GMC K15
Shop for the best-rated brands offering Interior Products and other products for your 1978 GMC K15s. Below you’ll find some of our best rated Interior Products from Dorman, and more. Interior Products from these brands that fit a 1978 K15 start at just $4.99 and are rated as high as 4.2 stars. OEM and aftermarket Interior Products don’t get more top quality, durable, and affordable than from the brands below.
Popular Dorman 1978 GMC K15 Interior Products
When it comes to maintaining or upgrading your 1978 GMC K15, using quality Interior Products is essential to ensure durability and a perfect fit. Dorman ticks all of those boxes. We offer a wide selection of Dorman Interior Products, specifically designed for the 1978 GMC K15. With over 3 Dorman brand Interior Products in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $4.99, with an average price of just $8.42. Plus, with over 21 customer reviews and an average rating of 4.2 stars, you can trust that our Dorman Interior Products will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
from
$4.99
(5)
Dorman – Help Turn Signal Return Springs, Pack of 2, 49312
“Return spring fit and worked perfectly in ’95 Pontiac Trans Sport and a lot less expensive than replacing the switch.”
from
$9.99
(1)
Dorman – Help Brake and Clutch Pedal Pad, 20732
“Well made fits perfectly on my 89 c1500 it matches my factory pedal design. Quick easy install”
FAQs for 1978 GMC K15 Interior Products
Which Interior Products are best-sellers for 1978 GMC K15s?
Out of 35 Interior Products that fit 1978 GMC K15s, the following parts are the top sellers:
- ATP Speedometer Cable, Y-815 (5612772) – $17.29
- ATP Speedometer Cable, Y-803 (5013240) – $18.99
- Use With All Grant Classic/Challenger/Signature Series Steering Wheels, Black, 3196 (6380107) – $54.99
What’s the price range for 1978 GMC K15 Interior Products?
Interior Product prices for the 1978 GMC K15 start at $4.99 and go up to $70.99 for the most premium parts.
What’s the average price of a Interior Product for a 1978 GMC K15?
The average price for Interior Products for the 1978 GMC K15 is $20.34. Keep in mind the variety of part types within our Interior Product category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Interior Products for other GMC K15 model years?
What are the cheapest Interior Products for my 1978 GMC K15?
The cheapest 1978 GMC K15 Interior Products we carry in stock are:
- Dorman – Help Turn Signal Return Springs, Pack of 2, 49312 (17190371) – $4.99
- Carquest Multi-Use Connector, PTA1024 (12472968) – $4.99
- KAI Pedal Pivot Mount, GMK4012911683 (11747834) – $6.99
- Needa Parts Brake and Clutch Pedal Pad, 20738 (17190486) – $7.29
- Dorman – Help Parking Brake Pedal Pads, 20741 (22148662) – $8.29
What are the top-rated Interior Products that fit the 1978 GMC K15?
Out of 294 reviews by customers, our 1978 GMC K15 Interior Products have an average customer rating of . These are some of the highest-rated Interior Product types for the 1978 GMC K15 and their top-rated products:
- Clutch Pedals
- Dorman – Help Brake and Clutch Pedal Pad, 20732 (9110917) – $9.99
What types of Interior Products do you sell for my 1978 GMC K15?
As of 8/2/26, these are some of the most in-demand types of Interior Products for a 1978 GMC K15:
Can I get help with 1978 GMC K15 Interior Product orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about GMC Interior Products and more.
What is your return policy for GMC K15 Interior Products?
Advance Auto Parts keeps returns simple. For new GMC K15 Interior Products and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
