1978 GMC G25 Distributors

Enhance and Protect Your 1978 GMC G25 with Quality Distributors

Maintaining the performance of your 1978 GMC G25 starts with choosing the right parts, and high-quality Distributors help ensure a reliable and efficient vehicle. At Advance Auto Parts, we offer Distributors specifically for the 1978 GMC G25, ensuring a perfect fit and lasting durability. Choosing to shop with Advance Auto Parts means you’re making a smart decision to prioritize both quality and reliability for your vehicle.

Affordable and Reliable Distributors for Every Budget

Finding affordable, quality Distributors is easy at Advance Auto Parts. With prices starting as low as $86.99 and an average price of $257.27, you can choose one that fits your budget while delivering the quality you expect. Our Distributors are competitively priced, ranging from $86.99 to $562.99, so you get value without compromising on strength or reliability.

Explore Related Parts for a Complete Solution

To further enhance your 1978 GMC G25, don’t miss our related parts categories, including Distributor Cap Kits and Distributor Rotor Buttons. These additions will round out your repair or upgrade project and ensure your vehicle is ready for any adventure.
Please Select your Vehicle to See Exact Fit Parts

Distributors for Your 1978 GMC G25

Carquest Premium – Distributor T1845: 100% New, With Cap and Rotor (Part No.T1845)

Distributor T1845: 100% New, With Cap and Rotor

from

$169.99
Carquest Premium distributors are built to meet or exceed the original equipment (OE) specifications for each application. Our distributors are built by a manufacturer that meets IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Each distributor is supplied with the cap, rotor and any seals needed for installation. Carquest Premium distributors are 100% new and undergo extensive validation testing to ensure long-lasting ignition performance and reliability.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • 100% new unit with no core charges
  • Precision machined shafts result in high speed accuracy and help prevent bearing failures
  • Every distributor is tested to ensure reliable and long-lasting performance
  • O-rings or gaskets included where applicable
  • Precision Engineered ignition modules and plugs ensure proper performance plus precise connection.
  • Precision machined and ground shafts assure high speed accuracy and prevent bearing failures.
  • Original Equipment Equivalent high voltage ignition coils.
  • 100% New Components and fasteners eliminate premature failures.
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MSD Ignition – Distributor; Chevy V8; Pro-Billet; with Cap; Rotor (Part No.85551)

Distributor; Chevy V8; Pro-Billet; with Cap; Rotor

from

$409.99
This is our most popular performance distributor! The housing is machined from a billet of 6061-T6 aluminum on a state-of-the-art CNC machine producing exact tolerances. For high RPM stability, a .500 In. steel shaft is supported by a sealed ball bearing and a long sintered bushing. This shaft also receives a QPQ coating for friction reduction and resistance to corrosion. A precision machined reluctor is attached to the shaft which triggers the magnetic pick-up mounted in the housing. This high output magnetic pick-up is the most accurate way to trigger your ignition. Plus, with no moving parts to wear or adjust, the pick-up is maintenance free! Just above the pick-up is MSD’s adjustable mechanical advance assembly. Different springs and stop bushings are supplied so you can tune an advance curve to match your application.

Product Features:
  • CNC machined billet aluminum housing and billet aluminum base
  • Will not accept a vacuum advance canister
  • Must Be Used w/An MSD Ignition Control
  • Supplied w/HEI style distributor cap/rotor (accepts Cap-A-Dapts)
  • O-ring seals can be installed for oil press. control (Mods only)
  • Special oil tract improves lubrication to the dist./cam gear
  • Nylon pads ensure smooth operation of the advance weights
  • Advance weight pins are staked and tig welded to the plate
  • Mech. advance assem. can be locked out for crank trigger systems
  • Advance plate and weights are fine blanked from chrome moly steel
  • QPQ coated for friction reduction
  • QPQ coated polished steel shaft; guided by sealed ball bearings
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Accel – Dist:Chev V8 Hei Vac (Part No.59107)

Dist:Chev V8 Hei Vac

from

$212.99
ACCEL Performance Replacement Distributors are the perfect choice for your daily driver or street machine. Using all new components, these distributors feature High-performance ACCEL Electronics. All new components-housings are either new castings or turned from billet stock, centerless ground shaft with oil lite bushings. High dielectric strength cap, balanced rotor. Male tower distributor cap with brass cap and rotor contacts (Ford and AMC Models feature screw-mounted wire retainer for the ultimate plug wire retention). Iron or steel distributor gear. Direct plug-in replacement with factory-type connectors for plug and play installation.

Product Features:
  • Direct Plug In Factory Replacement Plug And Play
  • CNC Machined 6061 T6 Billet Aluminum Housing
  • High Dielectric Strenght Thermoplastic Cap With Br
  • 4 Topin Module With Dwell Control Triggers At 75 R
  • Easy Access Fully Adjustable Mechanical Advance
  • Adjustable Vacuum Advance
  • Fit non computerized vehicles
  • High performance 4 pin module
  • Steel alloy drive gear compatible with either flat tappet or hydraulic roller camshafts.
  • All new components
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Carquest Premium – Distributor T1697: 100% New, With Cap and Rotor (Part No.T1697)

Distributor T1697: 100% New, With Cap and Rotor

from

$169.99
Carquest Premium distributors are built to meet or exceed the original equipment (OE) specifications for each application. Our distributors are built by a manufacturer that meets IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Each distributor is supplied with the cap, rotor and any seals needed for installation. Carquest Premium distributors are 100% new and undergo extensive validation testing to ensure long-lasting ignition performance and reliability.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • 100% new unit with no core charges
  • Precision machined shafts result in high speed accuracy and help prevent bearing failures
  • Every distributor is tested to ensure reliable and long-lasting performance
  • O-rings or gaskets included where applicable
  • Precision Engineered ignition modules and plugs ensure proper performance plus precise connection.
  • Precision machined and ground shafts assure high speed accuracy and prevent bearing failures.
  • Original Equipment Equivalent high voltage ignition coils.
  • 100% New Components and fasteners eliminate premature failures.
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Accel – Dist:Chev V8 Hei Vac 265-454 (Part No.59130)

Dist:Chev V8 Hei Vac 265-454

from

$128.99
ACCEL Performance Distributors are the perfect choice for your daily driver or street machine, We know the importance of a good quality distributor that doesn’t break the bank. These distributors feature a cast aluminum housing with a sintered bronze bushings for long life. An OEM style module is included along with a high-quality gear and cap with brass terminals for many miles of trouble-free service. ACCEL Performance Distributors are built to deliver performance at a value-based price.

Product Features:
  • Direct Plug In Factory Replacement Plug And Play
  • All New Cast Aluminum Housings for durability
  • OEM Style Ignition Modules for Trouble-Free Service
  • High-Quality Distributor Gears
  • Long Sintered Bushings for Long Life
  • Distributor Cap w/Brass Terminals
  • Includes Performance Coil
  • Fit non computerized vehicles
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Carquest Premium – Distributor T1897: 100% New, With Cap and Rotor (Part No.T1897)

Distributor T1897: 100% New, With Cap and Rotor

from

$168.99
Carquest Premium distributors are built to meet or exceed the original equipment (OE) specifications for each application. Our distributors are built by a manufacturer that meets IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Each distributor is supplied with the cap, rotor and any seals needed for installation. Carquest Premium distributors are 100% new and undergo extensive validation testing to ensure long-lasting ignition performance and reliability.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • 100% new unit with no core charges
  • Precision machined shafts result in high speed accuracy and help prevent bearing failures
  • Every distributor is tested to ensure reliable and long-lasting performance
  • O-rings or gaskets included where applicable
  • Precision Engineered ignition modules and plugs ensure proper performance plus precise connection.
  • Precision machined and ground shafts assure high speed accuracy and prevent bearing failures.
  • Original Equipment Equivalent high voltage ignition coils.
  • 100% New Components and fasteners eliminate premature failures.
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MSD Ignition – Distributor; Chevy V8; Billet with Vacuum Advance (Part No.8361)

Distributor; Chevy V8; Billet with Vacuum Advance

from

$449.99
The street Pro-Billet is a popular route for people looking for proven race performance for their street cars. A vacuum advance canister provides economy and the proven MSD mechanical advance gives you the opportunity to dial-in a timing curve to fit your needs. Inside, an oversized steel shaft is QPQ coated for low friction and rides in a sealed ball bearing at the top of the distributor with an extra-long sintered bushing at the bottom. This combination keeps the shaft steady creating accurate spark delivery at any RPM. The street Pro-Billet relies on a magnetic pick-up to trigger the MSD Ignition control which delivers the powerful sparks to the coil. This pick-up is extremely accurate and never needs adjusting.

Product Features:
  • Designed for street/performance use w/mechanical or vacuum adv.
  • Must Be Used w/An MSD Ignition Control
  • Supplied w/An HEI Style Distributor Cap And Rotor
  • Accepts Cap-A-Dapts
  • O-ring seals can be installed for oil press. control (Mods only)
  • Special oil tract improves lubrication to the dist./cam gear
  • Nylon pads ensure smooth operation of the advance weights
  • Advance weight pins are staked and tig welded to the plate
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MSD Ignition – Distributors (Part No.83603)

Distributors

from

$562.99
Distributors

Edelbrock – Max-Fire Distributor for Chevy 262-502 V8 with Slip Collar (Part No.22751)

Max-Fire Distributor for Chevy 262-502 V8 with Slip Collar

from

$487.99
Edelbrock part No. 22751 Max-Fire Slip Collar distributor for Chevy V-8 engines (except 348/409) is ready to run right out-of-the-box and are the perfect upgrade for your ignition system. They’re ideal for replacing or upgrading from a points triggered distributor. They feature precision machining for a perfect fit along with a simple three wire hook up for an easy installation with no need to run an external ignition control box. The centerless ground shaft utilizes an upper sealed roller bearing with an extra long lower bronze Oil-Lite bushing for smooth operation. The high output magnetic pickup and large paddle wheel reluctor deliver a strong trigger signal at high RPM for maximum performance. All of these features allow Max-Fire distributors to provide unrivaled voltage to the coil, ensuring that you’re getting maximum performance from your engine. We recommend a new Max-Fire coil for maximum voltage output, ensuring you get the most from your high performance engine at higher RPM’s. Each distributor includes a cap, rotor, retainer and mechanical advance curve kit.

Product Features:
  • CNC machined from 6061-T6 aluminum with O-ring grooves for use in a fully machined engine block
  • Cap and rotor are molded in high quality 30% glass filled polyester for durability and carbon tracking resistance
  • Features brass contacts and a stainless steel rotor spring for maximum conductivity
  • Hardened iron drive gear ensures long service life
  • Fully adjustable mechanical and vacuum advance for increased mileage potential.
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Edelbrock – ELECTRONICS (Part No.22750)

ELECTRONICS

from

$369.99
ELECTRONICS

Accel – Ready to Run Distributor – GM HEI – Includes Coil (Part No.59107CK)

Ready to Run Distributor - GM HEI - Includes Coil

from

$292.99
ACCEL has been lighting the fire in performance engines for decades and now offers a traditional OEM look to its line of HEI distributors. If you’re looking to restore or just like the factory look then these are the distributors for you. Although they are designed to look “stock” they’re far from it with features and benefits the factory never offered.

Product Features:
  • OEM Appearing Cap- for that Factory Look Restoration
  • CNC-machined 6061 T-6 aircraft-grade aluminum housing – for Durability
  • High performance ACCEL electronics with mechanical advance – for Dependability
  • High performance cap and rotor with brass inserts – which are Corrosion Resistant
  • High performance SuperCoil included with 59107CK or for those that already have a high output coil already, the 59107K without the coil
  • Adjustable vacuum advance – for fine tuning drivability
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Top Street Performance – Chevy Small Block (262-400)/Big Block (396-454) V8 Fixed Collar Pro Series Ready to Run Distributor with Black Cap (Part No.JM7701-2BK)

Chevy Small Block (262-400)/Big Block (396-454) V8 Fixed Collar Pro Series Ready to Run Distributor with Black Cap

from

$206.99
TSP Pro Series Ready to Run Distributor is perfect for a street performance upgrade. It features a CNC-machined billet aluminum body and hardened steel shaft, with a sealed ball bearing on top and a sintered steel bushing on the bottom. It also comes with a fully adjustable mechanical advance, vacuum advance, magnetic pickup trigger, and a high-output circuit board module with digital tach output. The dielectric cap comes with solid brass terminals and a color-matched wire retainer.

Product Features:
  • Advance Type: Vacuum and Mechanical
  • Terminal Style: Male
  • Trigger Style: Circuit Board Module with Magnetic Pick-Up
  • Gear Material: Steel
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Top Street Performance – Chevy Small Block (262-400)/Big Block (396-454) V8 Fixed Collar Pro Series Ready to Run Distributor with Red Cap (Part No.JM7701-2R)

Chevy Small Block (262-400)/Big Block (396-454) V8 Fixed Collar Pro Series Ready to Run Distributor with Red Cap

from

$206.99
TSP Pro Series Ready to Run Distributor is perfect for a street performance upgrade. It features a CNC-machined billet aluminum body and hardened steel shaft, with a sealed ball bearing on top and a sintered steel bushing on the bottom. It also comes with a fully adjustable mechanical advance, vacuum advance, magnetic pickup trigger, and a high-output circuit board module with digital tach output. The dielectric cap comes with solid brass terminals and a color-matched wire retainer.

Product Features:
  • Advance Type: Vacuum and Mechanical
  • Terminal Style: Male
  • Trigger Style: Circuit Board Module with Magnetic Pick-Up
  • Gear Material: Steel
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Top Street Performance – Chevy Small Block (262-400)/Big Block (396-454) V8 Pro Series Ready to Run Distributor with Red Cap (Part No.JM7701R)

Chevy Small Block (262-400)/Big Block (396-454) V8 Pro Series Ready to Run Distributor with Red Cap

from

$206.99
TSP Pro Series Ready to Run Distributor is perfect for a street performance upgrade. It features a CNC-machined billet aluminum body and hardened steel shaft, with a sealed ball bearing on top and a sintered steel bushing on the bottom. It also comes with a fully adjustable mechanical advance, vacuum advance, magnetic pickup trigger, and a high-output circuit board module with digital tach output. The dielectric cap comes with solid brass terminals and a color-matched wire retainer.

Product Features:
  • Advance Type: Vacuum and Mechanical
  • Terminal Style: Male
  • Trigger Style: Circuit Board Module with Magnetic Pick-Up
  • Gear Material: Steel
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Top Street Performance – Chevy Small Block (262-400)/Big Block (396-454) V8 Fixed Collar All-Black Pro Series Ready to Run Distributor (Part No.JM7701-2ABK)

Chevy Small Block (262-400)/Big Block (396-454) V8 Fixed Collar All-Black Pro Series Ready to Run Distributor

from

$206.99
TSP Pro Series Ready to Run Distributor is perfect for a street performance upgrade. It features a CNC-machined billet aluminum body and hardened steel shaft, with a sealed ball bearing on top and a sintered steel bushing on the bottom. It also comes with a fully adjustable mechanical advance, vacuum advance, magnetic pickup trigger, and a high-output circuit board module with digital tach output. The dielectric cap comes with solid brass terminals and a color-matched wire retainer.

Product Features:
  • Advance Type: Vacuum and Mechanical
  • Terminal Style: Male
  • Trigger Style: Circuit Board Module with Magnetic Pick-Up
  • Gear Material: Steel
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Top Street Performance – Chevy Small Block (262-400)/Big Block (396-454) V8 Pro Billet Distributor with Red Cap (Part No.JM7601R)

Chevy Small Block (262-400)/Big Block (396-454) V8 Pro Billet Distributor with Red Cap

from

$183.99
TSP Pro Series Pro Billet Distributor is for the racer who needs added spark and precision for their high performance power plant. It features a high quality, fully adjustable mechanical advance and an accurate magnetic pickup trigger. The CNC-machined aluminum body and hardened steel shaft, guided by a sealed ball bearing on top and a sintered steel bushing on the bottom, ensure stability up to 10,000 RPM. The dielectric cap features bolt-down and twist-lock capabilities. It has solid brass terminals and comes with a color-matched wire retainer.

Product Features:
  • Advance Type: Vacuum and Mechanical
  • Terminal Style: Male
  • Trigger Style: Magnetic
  • Gear Material: Steel
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Top Street Performance – Chevy 1963 & Later Inline 6 (194-292) HEI Distributor with Red Cap (Part No.JM6523R)

Chevy 1963 & Later Inline 6 (194-292) HEI Distributor with Red Cap

from

$123.99
TSP HEI Distributor has everything you need, all under one cap. With a high-quality aluminum housing and hardened steel dual bushing construction, it is built to last. It features fully adjustable mechanical and vacuum advances, meaning precision is a breeze. It has a high-output module, high-spark 65,000 volt coil, solid brass terminals, and an easy one-wire hookup.

Product Features:
  • Advance Type: Vacuum and Mechanical
  • Coil Type: HEI Coil (Included)
  • Terminal Style: Male
  • Trigger Style: Magnetic
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Top Street Performance – Chevy 1963 & Later Inline 6 (194-292) HEI Distributor with Black Cap (Part No.JM6523BK)

Chevy 1963 & Later Inline 6 (194-292) HEI Distributor with Black Cap

from

$123.99
TSP HEI Distributor has everything you need, all under one cap. With a high-quality aluminum housing and hardened steel dual bushing construction, it is built to last. It features fully adjustable mechanical and vacuum advances, meaning precision is a breeze. It has a high-output module, high-spark 65,000 volt coil, solid brass terminals, and an easy one-wire hookup.

Product Features:
  • Advance Type: Vacuum and Mechanical
  • Coil Type: HEI Coil (Included)
  • Terminal Style: Male
  • Trigger Style: Magnetic
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Top Street Performance – Chevy Small Block (262-400)/Big Block (396-454) V8 All-Black HEI Distributor (Part No.JM6501ABK)

Chevy Small Block (262-400)/Big Block (396-454) V8 All-Black HEI Distributor

from

$111.99
TSP HEI Distributor has everything you need, all under one cap. With a high-quality aluminum housing and hardened steel dual bushing construction, it is built to last. It features fully adjustable mechanical and vacuum advances, meaning precision is a breeze. It has a high-output module, high-spark 65,000 volt coil, solid brass terminals, and an easy one-wire hookup.

Product Features:
  • Trigger Style: Magnetic
  • Advance Type: Vacuum and Mechanical
  • Coil Type: HEI Coil (Included)
  • Terminal Style: Male
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Top Street Performance – Chevy Small Block (262-400)/Big Block (396-454) V8 HEI Distributor with Black Super Cap (Part No.JM6500BK)

Chevy Small Block (262-400)/Big Block (396-454) V8 HEI Distributor with Black Super Cap

from

$88.99
TSP HEI Distributor has everything you need, all under one cap. With a high-quality aluminum housing and hardened steel dual bushing construction, it is built to last. It features fully adjustable mechanical and vacuum advances, meaning precision is a breeze. It has a high-output module, high-spark 65,000 volt coil, solid brass terminals, and an easy one-wire hookup.

Product Features:
  • Advance Type: Vacuum and Mechanical
  • Coil Type: HEI Coil (Included)
  • Terminal Style: Male
  • Trigger Style: Magnetic
See More

Top Street Performance – Chevy Small Block (262-400)/Big Block (396-454) V8 HEI Distributor with Red Cap (Part No.JM6501R)

Chevy Small Block (262-400)/Big Block (396-454) V8 HEI Distributor with Red Cap

from

$86.99
TSP HEI Distributor has everything you need, all under one cap. With a high-quality aluminum housing and hardened steel dual bushing construction, it is built to last. It features fully adjustable mechanical and vacuum advances, meaning precision is a breeze. It has a high-output module, high-spark 65,000 volt coil, solid brass terminals, and an easy one-wire hookup.

Product Features:
  • Advance Type: Vacuum and Mechanical
  • Coil Type: HEI Coil (Included)
  • Terminal Style: Male
  • Trigger Style: Magnetic
See More

Top Street Performance – Chevy Small Block (262-400)/Big Block (396-454) V8 HEI Distributor with Black Cap (Part No.JM6501BK)

Chevy Small Block (262-400)/Big Block (396-454) V8 HEI Distributor with Black Cap

from

$86.99
TSP HEI Distributor has everything you need, all under one cap. With a high-quality aluminum housing and hardened steel dual bushing construction, it is built to last. It features fully adjustable mechanical and vacuum advances, meaning precision is a breeze. It has a high-output module, high-spark 65,000 volt coil, solid brass terminals, and an easy one-wire hookup.

Product Features:
  • Advance Type: Vacuum and Mechanical
  • Coil Type: HEI Coil (Included)
  • Terminal Style: Male
  • Trigger Style: Magnetic
See More

Top Street Performance – Chevy Small Block (262-400)/Big Block (396-454) V8 HEI Distributor with Red Super Cap (Part No.JM6500R)

Chevy Small Block (262-400)/Big Block (396-454) V8 HEI Distributor with Red Super Cap

from

$86.99
TSP HEI Distributor has everything you need, all under one cap. With a high-quality aluminum housing and hardened steel dual bushing construction, it is built to last. It features fully adjustable mechanical and vacuum advances, meaning precision is a breeze. It has a high-output module, high-spark 65,000 volt coil, solid brass terminals, and an easy one-wire hookup.

Product Features:
  • Advance Type: Vacuum and Mechanical
  • Coil Type: HEI Coil (Included)
  • Terminal Style: Male
  • Trigger Style: Magnetic
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FAQs for 1978 GMC G25 Distributors

Which Distributors are the top sellers for the 1978 GMC G25?

Out of 23 Distributors that fit 1978 GMC G25s, the following parts are the top sellers:
Distributor T1845: 100% New, With Cap and Rotor
from $169.99
(4)
Distributor T1845: 100% New, With Cap and Rotor
Distributors
Distributor T1697: 100% New, With Cap and Rotor
from $169.99
This product is not rated
Distributor T1697: 100% New, With Cap and Rotor
Distributors

How can I make sure that a part will be compatible with my 1978 GMC G25?

Our GMC G25 aftermarket and OEM parts are designed specifically for the 1978 model. You can always find your specific fitment and compatibility for your 1978 GMC on an individual product page.

What is the price range for 1978 GMC G25 Distributors?

The range of prices of Distributors for the 1978 GMC G25 goes from $86.99 up to $562.99 for the most premium parts.

What is the average price of 1978 GMC G25 Distributors?

1978 GMC G25 Distributors average $257.27 for our selection of OEM and aftermarket parts.

Does Advance Auto Parts sell Distributors for other GMC G25 model years?

Yes, we currently stock Distributors for 3 model years of GMC G25s, from 1968 to 1977. Model years 1977, 1976, 1975, and 1968 are the most popular for Distributors purchases.

Which Distributors are highest rated for the 1978 GMC G25?

Based on 24 customer reviews, our 1978 GMC G25 Distributors have an average rating of 5. Explore our top-rated Distributors here:
Dist:Chev V8 Hei Vac
from $212.99
(1)
Dist:Chev V8 Hei Vac
“I am a car enthusiast with several vehicles. I had looked at several different shops for this part. This was the best deal and easiest. I will do it a”

Can I get help with 1978 GMC G25 Distributors orders?

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

What is your return policy for GMC G25 Distributors?

Advance Auto Parts keeps returns simple. For new GMC G25 Distributors and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.