1978 Cadillac DeVille Distributors

Keep Your 1978 Cadillac DeVille in Top Shape with Quality Distributors

Whether you’re repairing or upgrading your Distributor, using high-quality parts is key to keeping your 1978 Cadillac DeVille looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Distributors, Distributor Cap Covers, and Distributor Rotor Buttons. 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.

Top-Rated Distributors from Trusted Brands

Looking for a reliable Distributor? We’ve got you covered with options from brands you know and trust like MSD Ignition, ACDelco, and DriveWorks. For example, MSD Ignition Distributors start at just $49.99 with an average 4.2 star rating. ACDelco and DriveWorks offer similar pricing and quality, backed by strong customer feedback. With over 204 reviews and a solid 5 star average, you can shop with confidence knowing other Cadillac DeVille owners approve.

Explore Related Parts

While you’re upgrading or replacing your Distributor, don’t forget to check out other key components like Ignition Coils and Boots and Spark Plugs. At Advance Auto Parts, we’re here to help you keep your 1978 Cadillac DeVille in peak condition, inside and out.

Essential 1978 Cadillac DeVille Distributors

Carquest Premium – Distributor Cap Carbon Button (Part No.CAA1216)

Distributor Cap Carbon Button

from

$9.49
The distributor cap & rotor are just two pieces of this type of ignition system which is typically driven by the engine’s camshaft. The distributor is the device that delivers the ignition spark to the spark plugs at a precise time, and spark timing is critical. Any wear or component out of place in this type of system will result in failure. Within the distributor and mounted to it are many individual pieces which allow the distributor and system to be maintained and repaired to keep it in top working order.

Product Features:
  • All products are constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Cap terminal conductor wires formed with precision guided machines to ensure precise final location in the final housing assembly.
  • Terminal inserts manufactured to precise tolerances to ensure a guaranteed electrical connection between the cap conductor wires and spark plug wire terminals.
  • Distributor rotor blade coated with RFI coating to prevent electrical magnetic interference with the vehicles electrical system.
  • Distributor and rotor housings manufactured using the latest plastic technologies to guarantee di-electric strength and long life cycle.
See More

Cardone New – New Distributor (Part No.84-1822)

New Distributor

from

$281.99
CARDONE New Distributors are backed by CARDONE Engineered Technology, which ensures that all CARDONE New Distributors meet proper form, fit and function. CARDONE Engineered Technology is based on over 40 years of reverse-engineering expertise, where original design weaknesses are identified and corrected, resulting in premium-quality, brand-new parts you can rely on. Installing a CARDONE Distributor on your vehicle will ensure that proper voltage is transmitted to the spark plugs in the correct timing pattern so that your vehicle will perform on command.

Product Features:
  • Each distributor includes the cap and rotor to make installation a snap.
  • Dust covers and gaskets are also included on Honda applications for your convenience.
  • 100% computer tested for guaranteed, long-lasting performance.
  • Guaranteed fit and function.
  • Meets or exceeds O.E.M performance.
See More

Carquest Premium – Distributor T1822: 100% New, With Cap and Rotor (Part No.T1822)

Distributor T1822: 100% New, With Cap and Rotor

from

$186.99
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
See More

Carquest Premium – Distributor T1864: 100% New, With Cap and Rotor (Part No.T1864)

Distributor T1864: 100% New, With Cap and Rotor

from

$192.99
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.
See More

Carquest Premium – Distributor T1694: 100% New, With Cap and Rotor (Part No.T1694)

Distributor T1694: 100% New, With Cap and Rotor

from

$199.99
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.
See More

MSD Ignition – Distributor; Street Fire; GM EFI V8; 88-95; External Coil (Part No.5591)

Distributor; Street Fire; GM EFI V8; 88-95; External Coil

from

$217.99
These Street Fire distributors are ready to drop into your V8 engine to replace the worn OEM piece. A factory style ignition module is included along with a durable new cap and rotor. GM used this distributor when trucks first moved to EFI back in 1988! It was carried over into cars and was used through the mid 1990s and the introduction of the Vortech engine and LS series blocks. Also, many aftermarket EFI systems require this style distributor and module.

Product Features:
  • Great OEM Update; w/Performance Upgrades
  • A Factory Style Ignition Module Is Included
  • Durable New Cap And Rotor
  • Perfect For Budget Minded Enthusiasts
See More

Carquest Premium – Distributor Cap and Rotor Kit (Part No.CAE1802)

Distributor Cap and Rotor Kit

from

$21.99
The distributor cap & rotor are just two pieces of this type of ignition system which is typically driven by the engine’s camshaft. The distributor is the device that delivers the ignition spark to the spark plugs at a precise time, and spark timing is critical. Any wear or component out of place in this type of system will result in failure. Within the distributor and mounted to it are many individual pieces which allow the distributor and system to be maintained and repaired to keep it in top working order.

Product Features:
  • All products are constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Cap terminal conductor wires formed with precision guided machines to ensure precise final location in the final housing assembly.
  • Terminal inserts manufactured to precise tolerances to ensure a guaranteed electrical connection between the cap conductor wires and spark plug wire terminals.
  • Distributor rotor blade coated with RFI coating to prevent electrical magnetic interference with the vehicles electrical system.
  • Distributor and rotor housings manufactured using the latest plastic technologies to guarantee di-electric strength and long life cycle.
See More

Accel – HEI Distributor Cap & Rotor Kit with Arc-Thru Protection (Part No.8122)

HEI Distributor Cap & Rotor Kit with Arc-Thru Protection

from

$45.99
ACCEL cap and rotor kits offer superior protection from “arc-thru” and crossfire. Features 60k V-rated alkyd compound, stress-relieved at molding to ensure stability. Brass inserts and steel rotor springs provide for high spark energy flow.

Product Features:
  • Features Protection From Arc Thru And Crossfire
  • Features 60k V Rated Alkyd Compound
  • Brass Terminals Inserts And Steel Rotor Springs
  • High Spark Energy Flow
See More

Carquest Premium – Distributor Cap (Part No.CAE1055)

Distributor Cap

from

$22.99
The distributor cap & rotor are just two pieces of this type of ignition system which is typically driven by the engine’s camshaft. The distributor is the device that delivers the ignition spark to the spark plugs at a precise time, and spark timing is critical. Any wear or component out of place in this type of system will result in failure. Within the distributor and mounted to it are many individual pieces which allow the distributor and system to be maintained and repaired to keep it in top working order.

Product Features:
  • All products are constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Cap terminal conductor wires formed with precision guided machines to ensure precise final location in the final housing assembly.
  • Terminal inserts manufactured to precise tolerances to ensure a guaranteed electrical connection between the cap conductor wires and spark plug wire terminals.
  • Distributor rotor blade coated with RFI coating to prevent electrical magnetic interference with the vehicles electrical system.
  • Distributor and rotor housings manufactured using the latest plastic technologies to guarantee di-electric strength and long life cycle.
See More

ACDelco – Ignition Distributor Cap (Part No.D338X)

Ignition Distributor Cap

from

$29.49
ACDelco Professional Distributor Cap is a high quality aftermarket replacement component for one or more of the following vehicle systems: cooling, hvac, ignition, starting and charging, body-electrical and lighting, wiper and washer, andor engine fuel management. This premium aftermarket cap is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
See More

MSD Ignition – Distributor Cap and Rotor; GM HEI Distributor; Red (Part No.8416)

Distributor Cap and Rotor; GM HEI Distributor; Red

from

$49.99
The cap and rotor of any ignition system must be considered maintenance items. Just as you change the oil and filter of your car, you should always replace the cap and rotor as a set. To make things easy, we now offer these cap and rotor replacement kits.

Product Features:
  • Designed w/Performance In Mind
  • High Quality Material
  • Stainless Terminals
  • Performance replacement part
See More

Carquest – Distributor Cap (Part No.C158)

Distributor Cap

from

$18.05
BWD SELECT replacement parts are designed, specified and manufactured with one goal in mind – to make them the very best. We use the finest materials and improve on OE specifications whenever possible. The result is maximum performance and longevity.

Product Features:
  • Distributor cap uses glass-filled polyester resin with dielectric strength as high as 630 volts per mil, for optimum performance.
  • Distributor cap has aluminum terminals to match OE performance.
  • The BWD SELECT® exceed the original performance. The benefit is greater customer confidence.
  • BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product
See More

Carquest – Distributor Cap (Part No.24E1023)

Distributor Cap

from

$11.99
The distributor cap & rotor are just two pieces of this type of ignition system which is typically driven by the engine¿s camshaft. The distributor is the device that delivers the ignition spark to the spark plugs at a precise time, and spark timing is critical. Any wear or component out of place in this type of system will result in failure. Within the distributor and mounted to it are many individual pieces which allow the distributor and system to be maintained and repaired to keep it in top working order.

Product Features:
  • All products are constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Cap terminal conductor wires formed with precision guided machines to ensure precise final location in the final housing assembly.
  • Terminal inserts manufactured to precise tolerances to ensure a guaranteed electrical connection between the cap conductor wires and spark plug wire terminals.
  • Distributor rotor blade coated with RFI coating to prevent electrical magnetic interference with the vehicles electrical system.
  • Distributor and rotor housings manufactured using the latest plastic technologies to guarantee di-electric strength and long life cycle.
See More

Carquest – Distributor Rotor (Part No.23A1006)

Distributor Rotor

from

$9.99
The distributor cap & rotor are just two pieces of this type of ignition system which is typically driven by the engine¿s camshaft. The distributor is the device that delivers the ignition spark to the spark plugs at a precise time, and spark timing is critical. Any wear or component out of place in this type of system will result in failure. Within the distributor and mounted to it are many individual pieces which allow the distributor and system to be maintained and repaired to keep it in top working order.

Product Features:
  • All products are constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Cap terminal conductor wires formed with precision guided machines to ensure precise final location in the final housing assembly.
  • Terminal inserts manufactured to precise tolerances to ensure a guaranteed electrical connection between the cap conductor wires and spark plug wire terminals.
  • Distributor rotor blade coated with RFI coating to prevent electrical magnetic interference with the vehicles electrical system.
  • Distributor and rotor housings manufactured using the latest plastic technologies to guarantee di-electric strength and long life cycle.
See More

GM Genuine Parts – Ignition Distributor Rotor (Part No.D447)

Ignition Distributor Rotor

from

$12.99
ACDelco GM Original Equipment Distributor Rotor is a GM-recommended replacement component for one or more of the following vehicle systems: cooling, hvac, ignition, starting and charging, body-electrical and lighting, wiper and washer, and/or engine fuel management. This original equipment rotor will provide the same performance, durability, and service life you expect from General Motors.

Product Features:
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

Carquest – Distributor Rotor (Part No.D138)

Distributor Rotor

from

$7.05
BWD SELECT designs, specifies, and manufactures replacement parts with one goal in mind-make them the very best. To maximize performance and longevity, we use the finest materials and improve on OE specifications, whenever possible.

Product Features:
  • High-quality direct replacement electrical connector allows you to replace only the damaged connector instead of the entire harness for a cost-effective repair
  • The terminal is manufactured with high grade materials such as copper alloy, brass, and phosphor bronze.  The housing is fabricated using polyamide resins.  All of the materials together provide the connectors with prolonged life and superior performance.
  • All electrical connectors are 100% tested for proper mechanical and electrical fit, form and function
  • Offering thousands of high-quality pigtails & sockets for nearly every electrical job
See More

Carquest Premium – Distributor Rotor (Part No.DAA1001)

Distributor Rotor

from

$12.99
The distributor cap & rotor are just two pieces of this type of ignition system which is typically driven by the engine’s camshaft. The distributor is the device that delivers the ignition spark to the spark plugs at a precise time, and spark timing is critical. Any wear or component out of place in this type of system will result in failure. Within the distributor and mounted to it are many individual pieces which allow the distributor and system to be maintained and repaired to keep it in top working order.

Product Features:
  • All products are constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Cap terminal conductor wires formed with precision guided machines to ensure precise final location in the final housing assembly.
  • Terminal inserts manufactured to precise tolerances to ensure a guaranteed electrical connection between the cap conductor wires and spark plug wire terminals.
  • Distributor rotor blade coated with RFI coating to prevent electrical magnetic interference with the vehicles electrical system.
  • Distributor and rotor housings manufactured using the latest plastic technologies to guarantee di-electric strength and long life cycle.
See More

Driveworks – Distributor Rotor (Part No.23045)

Distributor Rotor

from

$11.05
Driveworks offers a line of aftermarket parts and accessories that are commercially acceptable and competitively priced, which provides professional technicians and DIYers with an affordable alternative for repairs.

Product Features:
  • Direct-fit OE replacement ensures ease of installation
  • Designed to meet OE performance
  • As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
  • As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
See More

MSD Ignition – Rotor; GM HEI (Part No.8410)

Rotor; GM HEI

from

$14.99
Replacement rotor for Chevrolet HEI style distributors.

Product Features:
  • For HEI distributors
  • Resist carbon tracking
  • Low resistance brass
  • Max voltage transfer
  • Molded from insulated material
See More

Carquest – Distributor Rotor (Part No.D157)

Distributor Rotor

from

$13.05
BWD SELECT designs, specifies, and manufactures replacement parts with one goal in mind-make them the very best. To maximize performance and longevity, we use the finest materials and improve on OE specifications, whenever possible.

Product Features:
  • High-quality direct replacement electrical connector allows you to replace only the damaged connector instead of the entire harness for a cost-effective repair
  • The terminal is manufactured with high grade materials such as copper alloy, brass, and phosphor bronze.  The housing is fabricated using polyamide resins.  All of the materials together provide the connectors with prolonged life and superior performance.
  • All electrical connectors are 100% tested for proper mechanical and electrical fit, form and function
  • Offering thousands of high-quality pigtails & sockets for nearly every electrical job
  • Noise-suppressing coating on segment prevents electrical interference with radio and other electronic circuits
See More

Carquest Premium – Distributor Cap Cover (Part No.CAC1073)

Distributor Cap Cover

from

$21.99
The distributor cap & rotor are just two pieces of this type of ignition system which is typically driven by the engine’s camshaft. The distributor is the device that delivers the ignition spark to the spark plugs at a precise time, and spark timing is critical. Any wear or component out of place in this type of system will result in failure. Within the distributor and mounted to it are many individual pieces which allow the distributor and system to be maintained and repaired to keep it in top working order.

Product Features:
  • All products are constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Cap terminal conductor wires formed with precision guided machines to ensure precise final location in the final housing assembly.
  • Terminal inserts manufactured to precise tolerances to ensure a guaranteed electrical connection between the cap conductor wires and spark plug wire terminals.
  • Distributor rotor blade coated with RFI coating to prevent electrical magnetic interference with the vehicles electrical system.
  • Distributor and rotor housings manufactured using the latest plastic technologies to guarantee di-electric strength and long life cycle.
See More

Carquest Premium – Distributor Cap Cover (Part No.CAC1105)

Distributor Cap Cover

from

$13.99
The distributor cap & rotor are just two pieces of this type of ignition system which is typically driven by the engine’s camshaft. The distributor is the device that delivers the ignition spark to the spark plugs at a precise time, and spark timing is critical. Any wear or component out of place in this type of system will result in failure. Within the distributor and mounted to it are many individual pieces which allow the distributor and system to be maintained and repaired to keep it in top working order.

Product Features:
  • All products are constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Cap terminal conductor wires formed with precision guided machines to ensure precise final location in the final housing assembly.
  • Terminal inserts manufactured to precise tolerances to ensure a guaranteed electrical connection between the cap conductor wires and spark plug wire terminals.
  • Distributor rotor blade coated with RFI coating to prevent electrical magnetic interference with the vehicles electrical system.
  • Distributor and rotor housings manufactured using the latest plastic technologies to guarantee di-electric strength and long life cycle.
See More

ACDelco – Ignition Distributor Cover (Part No.1875960X)

Ignition Distributor Cover

from

$19.49
ACDelco Professional Distributor Cap Cover is a high quality aftermarket replacement component for one or more of the following vehicle systems: cooling, hvac, ignition, starting and charging, body-electrical and lighting, wiper and washer, and/or engine fuel management. This premium aftermarket cover is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
See More

Most Popular Distributor for 1978 Cadillac DeVilles

Enhance your 1978 Cadillac DeVille with this popular Distributor we have in stock, for $466.99.

Edelbrock – Max-Fire Distributor for Cadillac 1968-84 V8 (425, 368, 472 & 500) (Part No.22753)

Max-Fire Distributor for Cadillac 1968-84 V8 (425, 368, 472 & 500)

from

$466.99
Edelbrock part No. 22753 Max-Fire distributor for 1968-84 Cadillac 425, 368, 472 & 500 V-8 engines 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. FEATURES AND BENEFITS: – 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
See More

Best-Selling 1978 Cadillac DeVille Distributor Cap Covers

Upgrade your DeVille with one of our 2 best-selling Distributor Cap Covers.

ACDelco – Ignition Distributor Cover (Part No.1875960X)

Ignition Distributor Cover

from

$19.49
ACDelco Professional Distributor Cap Cover is a high quality aftermarket replacement component for one or more of the following vehicle systems: cooling, hvac, ignition, starting and charging, body-electrical and lighting, wiper and washer, and/or engine fuel management. This premium aftermarket cover is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
See More

Carquest Premium – Distributor Cap Cover (Part No.CAC1073)

Distributor Cap Cover

from

$21.99
The distributor cap & rotor are just two pieces of this type of ignition system which is typically driven by the engine’s camshaft. The distributor is the device that delivers the ignition spark to the spark plugs at a precise time, and spark timing is critical. Any wear or component out of place in this type of system will result in failure. Within the distributor and mounted to it are many individual pieces which allow the distributor and system to be maintained and repaired to keep it in top working order.

Product Features:
  • All products are constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Cap terminal conductor wires formed with precision guided machines to ensure precise final location in the final housing assembly.
  • Terminal inserts manufactured to precise tolerances to ensure a guaranteed electrical connection between the cap conductor wires and spark plug wire terminals.
  • Distributor rotor blade coated with RFI coating to prevent electrical magnetic interference with the vehicles electrical system.
  • Distributor and rotor housings manufactured using the latest plastic technologies to guarantee di-electric strength and long life cycle.
See More

Top-Quality Distributor Rotor Buttons for 1978 Cadillac DeVilles

Choose a high-quality OEM or aftermarket Distributor Rotor Button for Cadillac DeVilles and enjoy top-notch performance from $9.99.

ACDelco – Ignition Distributor Rotor (Part No.D448X)

Ignition Distributor Rotor

from

$17.49
ACDelco Professional Distributor Rotor is a high quality aftermarket replacement component for one or more of the following vehicle systems: cooling, hvac, ignition, starting and charging, body-electrical and lighting, wiper and washer, andor engine fuel management. This premium aftermarket rotor is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
See More

Driveworks – Distributor Rotor (Part No.23045)

Distributor Rotor

from

$11.05
Driveworks offers a line of aftermarket parts and accessories that are commercially acceptable and competitively priced, which provides professional technicians and DIYers with an affordable alternative for repairs.

Product Features:
  • Direct-fit OE replacement ensures ease of installation
  • Designed to meet OE performance
  • As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
  • As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
See More

Carquest – Distributor Rotor (Part No.D157)

Distributor Rotor

from

$13.05
BWD SELECT designs, specifies, and manufactures replacement parts with one goal in mind-make them the very best. To maximize performance and longevity, we use the finest materials and improve on OE specifications, whenever possible.

Product Features:
  • High-quality direct replacement electrical connector allows you to replace only the damaged connector instead of the entire harness for a cost-effective repair
  • The terminal is manufactured with high grade materials such as copper alloy, brass, and phosphor bronze.  The housing is fabricated using polyamide resins.  All of the materials together provide the connectors with prolonged life and superior performance.
  • All electrical connectors are 100% tested for proper mechanical and electrical fit, form and function
  • Offering thousands of high-quality pigtails & sockets for nearly every electrical job
  • Noise-suppressing coating on segment prevents electrical interference with radio and other electronic circuits
See More

Carquest Premium – Distributor Rotor (Part No.DAA1001)

Distributor Rotor

from

$12.99
The distributor cap & rotor are just two pieces of this type of ignition system which is typically driven by the engine’s camshaft. The distributor is the device that delivers the ignition spark to the spark plugs at a precise time, and spark timing is critical. Any wear or component out of place in this type of system will result in failure. Within the distributor and mounted to it are many individual pieces which allow the distributor and system to be maintained and repaired to keep it in top working order.

Product Features:
  • All products are constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Cap terminal conductor wires formed with precision guided machines to ensure precise final location in the final housing assembly.
  • Terminal inserts manufactured to precise tolerances to ensure a guaranteed electrical connection between the cap conductor wires and spark plug wire terminals.
  • Distributor rotor blade coated with RFI coating to prevent electrical magnetic interference with the vehicles electrical system.
  • Distributor and rotor housings manufactured using the latest plastic technologies to guarantee di-electric strength and long life cycle.
See More

Carquest – Distributor Rotor (Part No.23A1006)

Distributor Rotor

from

$9.99
The distributor cap & rotor are just two pieces of this type of ignition system which is typically driven by the engine¿s camshaft. The distributor is the device that delivers the ignition spark to the spark plugs at a precise time, and spark timing is critical. Any wear or component out of place in this type of system will result in failure. Within the distributor and mounted to it are many individual pieces which allow the distributor and system to be maintained and repaired to keep it in top working order.

Product Features:
  • All products are constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Cap terminal conductor wires formed with precision guided machines to ensure precise final location in the final housing assembly.
  • Terminal inserts manufactured to precise tolerances to ensure a guaranteed electrical connection between the cap conductor wires and spark plug wire terminals.
  • Distributor rotor blade coated with RFI coating to prevent electrical magnetic interference with the vehicles electrical system.
  • Distributor and rotor housings manufactured using the latest plastic technologies to guarantee di-electric strength and long life cycle.
See More

MSD Ignition – Rotor; GM HEI (Part No.8410)

Rotor; GM HEI

from

$14.99
Replacement rotor for Chevrolet HEI style distributors.

Product Features:
  • For HEI distributors
  • Resist carbon tracking
  • Low resistance brass
  • Max voltage transfer
  • Molded from insulated material
See More

Top Picks for 1978 Cadillac DeVille Distributor Cap Kits

Invest in one of our 7 durable Distributor Cap Kits for your 1978 Cadillac, knowing you’re getting trusted brands and expert craftsmanship.

MSD Ignition – Distributor Cap; GM HEI; Red (Part No.8411)

Distributor Cap; GM HEI; Red

from

$53.99
The cap of any ignition system must be considered maintenance items. Just as you change the oil and filter of your car, you should always replace the cap. To make things easy, we now offer these caps as replacement kits.

Product Features:
  • Stock GM HEI replacement distributor cap
  • Red
See More

MSD Ignition – Distributor Cap and Rotor; GM HEI Distributor; Red (Part No.8416)

Distributor Cap and Rotor; GM HEI Distributor; Red

from

$49.99
The cap and rotor of any ignition system must be considered maintenance items. Just as you change the oil and filter of your car, you should always replace the cap and rotor as a set. To make things easy, we now offer these cap and rotor replacement kits.

Product Features:
  • Designed w/Performance In Mind
  • High Quality Material
  • Stainless Terminals
  • Performance replacement part
See More

Accel – HEI Distributor Cap & Rotor Kit with Arc-Thru Protection (Part No.8122)

HEI Distributor Cap & Rotor Kit with Arc-Thru Protection

from

$45.99
ACCEL cap and rotor kits offer superior protection from “arc-thru” and crossfire. Features 60k V-rated alkyd compound, stress-relieved at molding to ensure stability. Brass inserts and steel rotor springs provide for high spark energy flow.

Product Features:
  • Features Protection From Arc Thru And Crossfire
  • Features 60k V Rated Alkyd Compound
  • Brass Terminals Inserts And Steel Rotor Springs
  • High Spark Energy Flow
See More

ACDelco – Ignition Distributor Cap (Part No.D336X)

Ignition Distributor Cap

from

$27.49
ACDelco Professional Distributor Cap is a high quality aftermarket replacement component for one or more of the following vehicle systems: cooling, hvac, ignition, starting and charging, body-electrical and lighting, wiper and washer, andor engine fuel management. This premium aftermarket cap is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
See More

Carquest – Distributor Cap (Part No.24E1007)

Distributor Cap

from

$18.99
The distributor cap & rotor are just two pieces of this type of ignition system which is typically driven by the engine¿s camshaft. The distributor is the device that delivers the ignition spark to the spark plugs at a precise time, and spark timing is critical. Any wear or component out of place in this type of system will result in failure. Within the distributor and mounted to it are many individual pieces which allow the distributor and system to be maintained and repaired to keep it in top working order.

Product Features:
  • All products are constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Cap terminal conductor wires formed with precision guided machines to ensure precise final location in the final housing assembly.
  • Terminal inserts manufactured to precise tolerances to ensure a guaranteed electrical connection between the cap conductor wires and spark plug wire terminals.
  • Distributor rotor blade coated with RFI coating to prevent electrical magnetic interference with the vehicles electrical system.
  • Distributor and rotor housings manufactured using the latest plastic technologies to guarantee di-electric strength and long life cycle.
See More

Carquest Premium – Distributor Cap (Part No.CAE1055)

Distributor Cap

from

$22.99
The distributor cap & rotor are just two pieces of this type of ignition system which is typically driven by the engine’s camshaft. The distributor is the device that delivers the ignition spark to the spark plugs at a precise time, and spark timing is critical. Any wear or component out of place in this type of system will result in failure. Within the distributor and mounted to it are many individual pieces which allow the distributor and system to be maintained and repaired to keep it in top working order.

Product Features:
  • All products are constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Cap terminal conductor wires formed with precision guided machines to ensure precise final location in the final housing assembly.
  • Terminal inserts manufactured to precise tolerances to ensure a guaranteed electrical connection between the cap conductor wires and spark plug wire terminals.
  • Distributor rotor blade coated with RFI coating to prevent electrical magnetic interference with the vehicles electrical system.
  • Distributor and rotor housings manufactured using the latest plastic technologies to guarantee di-electric strength and long life cycle.
See More

Carquest Premium – Distributor Cap and Rotor Kit (Part No.CAE1787)

Distributor Cap and Rotor Kit

from

$19.99
The distributor cap & rotor are just two pieces of this type of ignition system which is typically driven by the engine’s camshaft. The distributor is the device that delivers the ignition spark to the spark plugs at a precise time, and spark timing is critical. Any wear or component out of place in this type of system will result in failure. Within the distributor and mounted to it are many individual pieces which allow the distributor and system to be maintained and repaired to keep it in top working order.

Product Features:
  • All products are constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Cap terminal conductor wires formed with precision guided machines to ensure precise final location in the final housing assembly.
  • Terminal inserts manufactured to precise tolerances to ensure a guaranteed electrical connection between the cap conductor wires and spark plug wire terminals.
  • Distributor rotor blade coated with RFI coating to prevent electrical magnetic interference with the vehicles electrical system.
  • Distributor and rotor housings manufactured using the latest plastic technologies to guarantee di-electric strength and long life cycle.
See More

Our Distributor Cap Carbon Buttons for 1978 Cadillac DeVilles

Make a smart move for your 1978 Cadillac DeVille with our Distributor Cap Carbon Button for $9.49.

Carquest Premium – Distributor Cap Carbon Button (Part No.CAA1216)

Distributor Cap Carbon Button

from

$9.49
The distributor cap & rotor are just two pieces of this type of ignition system which is typically driven by the engine’s camshaft. The distributor is the device that delivers the ignition spark to the spark plugs at a precise time, and spark timing is critical. Any wear or component out of place in this type of system will result in failure. Within the distributor and mounted to it are many individual pieces which allow the distributor and system to be maintained and repaired to keep it in top working order.

Product Features:
  • All products are constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Cap terminal conductor wires formed with precision guided machines to ensure precise final location in the final housing assembly.
  • Terminal inserts manufactured to precise tolerances to ensure a guaranteed electrical connection between the cap conductor wires and spark plug wire terminals.
  • Distributor rotor blade coated with RFI coating to prevent electrical magnetic interference with the vehicles electrical system.
  • Distributor and rotor housings manufactured using the latest plastic technologies to guarantee di-electric strength and long life cycle.
See More

Top-Rated Distributor Brands For Your 1978 Cadillac DeVille

When it comes to finding the perfect Distributor for your 1978 Cadillac DeVille, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 7 trusted brands. We carry the most popular Distributor brands including ACDelco, DriveWorks, and MSD Ignition, and more, all known for their exceptional customer ratings (average brand rating of 4.7 stars) and competitive prices, as low as $11.05. Purchasing a Distributor from us here at Advance Auto Parts is a smart move for both you and your 1978 Cadillac DeVille, providing peace of mind with parts that meet or exceed OEM standards.

Popular ACDelco 1978 Cadillac DeVille Distributors

If you’re looking for a top-quality Distributor for your 1978 Cadillac DeVille, Advance Auto Parts has exactly what you need with our selection of ACDelco Distributors. We have 2 ACDelco Distributors in stock for this fitment, all known for their durability and precision fit. With prices starting at just $17.49 and an average cost of $22.49, you’ll find the perfect Distributor for your needs and budget. ACDelco Distributors for the 1978 Cadillac DeVille come highly rated, with over 23 customer reviews and an impressive average rating of 4.7 stars. Choosing a ACDelco Distributor from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Ignition Distributor Cap
from $27.49
(11)
Ignition Distributor Cap
“Just keeping “That Great GM Feeling””
Ignition Distributor Rotor
from $17.49
(12)
Ignition Distributor Rotor
“Looks and fits good like it should. I like ACdelco parts”

Top-Quality DriveWorks 1978 Cadillac DeVille Distributors

For those in search of a high-quality Distributor for their 1978 Cadillac DeVille, Advance Auto Parts offers a great selection of DriveWorks Distributors. With 1 DriveWorks Distributors in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Distributors start at just $11.05, giving you a range of options to suit your budget. Backed by over 3 customer ratings and an average rating of 4.3 stars, DriveWorks Distributors provide both reliability and excellent performance. Choosing a DriveWorks Distributor from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Distributor Rotor
from $11.05
(3)
Distributor Rotor
“Goes along with cap..”

FAQs for 1978 Cadillac DeVille Distributors

What are the best-selling Distributors for 1978 Cadillac DeVilles?

Out of 17 Distributors that fit 1978 Cadillac DeVilles, the following parts are the top sellers:

What’s the price range for 1978 Cadillac DeVille Distributors?

The prices of Distributors for the 1978 Cadillac DeVille range from $9.49 up to $466.99 for the most premium parts.

What is the average price of a Distributor for a 1978 Cadillac DeVille?

The average price for Distributors for the 1978 Cadillac DeVille is $49.23. Keep in mind the variety of part types within our Distributor category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Distributors for other Cadillac DeVille model years?

Yes, we carry Distributors for 46 model years of Cadillac DeVilles between 1953 and 2000. The following model years are the most popular for Distributor purchases: 2000, 1995, 1994, 1993, 1992, 1991, 1990, 1989, and 1988.

What are the cheapest Distributors for my 1978 Cadillac DeVille?

The cheapest 1978 Cadillac DeVille Distributors we carry are:

Does Advance Auto Parts sell Distributors for any other 1978 Cadillac models?

Yes. We stock Distributors for 3 other popular 1978 Cadillac models. Some of the most popular are 1978 Eldorado Distributors, 1978 Seville Distributors, 1978 Fleetwood Distributors, and 1978 Commercial Chassis Distributors.

What are the top-rated Distributors that fit the 1978 Cadillac DeVille?

Based on 204 reviews by customers, our 1978 Cadillac DeVille Distributors have an average customer rating of 5 stars. These are the highest-rated categories of Distributors for the 1978 Cadillac DeVille and their top-rated products:

What types of Distributors do you sell for my 1978 Cadillac DeVille?

As of 11/2/25, these are some of the most in-demand types of Distributors for a 1978 Cadillac DeVille:

Can I get help with 1978 Cadillac DeVille Distributor orders?

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

What is your return policy for Cadillac DeVille Distributors?

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