Best Car Distributor Caps in 2026

Daisy
Last Updated: Feb 6, 2026

At a Glance: Our Top Picks for Car Distributor Caps

ACDelco GM Original Equipment D329A Ignition Distributor Cap , Black
#TOP1
Acdelco Gm Original Equipment D329A Ignition Distributor Cap
9.8
PM SCORE
ACDelco GM Original Equipment D328A Ignition Distributor Cap , Black
#TOP2
Acdelco Gm Original Equipment D328A Ignition Distributor Cap
9.8
PM SCORE
ACDelco C349 Professional Ignition Distributor Cap
#TOP3
Acdelco C349 Professional Ignition Distributor Cap
9.7
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Car Distributor Caps of 2026

Market Overview
Car Distributor Caps Reviewed
  • Reviews Analyzed: 4498 Items
  • PM Avg. Rating: 6.0 / 10
21 Products Evaluated
  • Highest Price: $82.51
  • Lowest Price: $6.80
  • Avg. Price: $26.35

Acdelco Gm Original Equipment D329A Ignition Distributor Cap , Black

ACDELCO
D329A
8.00 X 4.60 X 2.20 Inches
0.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

have metal inserts designed to provide the best possible fit to ensure maximum conductivity between the distributor towers and spark plug wires

easy-to-read locator keys on caps make proper installation simple

equipped with a full anti-arc barrier to reduce the possibility of secondary voltage arcs that can cause an engine to misfire

Fit type: Vehicle Specific

Acdelco Gm Original Equipment D328A Ignition Distributor Cap , Black

ACDELCO
D328A
8.00 X 4.60 X 2.20 Inches
0.23 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Have metal inserts designed to provide the best possible fit to ensure maximum conductivity between the distributor towers and spark plug wires

Easy-to-read locator keys on caps make proper installation simple

Equipped with a full anti-arc barrier to reduce the possibility of secondary voltage arcs that can cause an engine to misfire

GM-recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability of GM OE

Acdelco C349 Professional Ignition Distributor Cap

ACDELCO
C349
5.20 X 5.20 X 4.40 Inches
0.35 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

leading manufacturer of high-quality products

international renown for our diverse range of award-winning products

fully equipped with state-of-the-art technology

all products have been designed with the professional in mind

constantly modernizing our powerful devices to meet the demands of the modern user

Fit type: Vehicle Specific

Acdelco Professional D580A Ignition Distributor Cap , Black

ACDELCO
D580A
5.20 X 5.20 X 4.40 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

made in united states

package height :12.953 cm

package length :13.208 cm

package width :11.176 cm

Fit type: Vehicle Specific

Acdelco Gm Original Equipment D303A Ignition Distributor Cap , Black

ACDELCO
D303A
6.70 X 5.70 X 4.20 Inches
0.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Have metal inserts designed to provide the best possible fit to ensure maximum conductivity between the distributor towers and spark plug wires

Easy-to-read locator keys on caps make proper installation simple

Equipped with a full anti-arc barrier to reduce the possibility of secondary voltage arcs that can cause an engine to misfire

GM-recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability of GM OE

Acdelco Professional D336X Ignition Distributor Cap , Black

ACDELCO
D336X
4.50 X 5.60 X 6.60 Inches
0.75 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Professional, premium aftermarket replacement

Provides the performance and dependability you expect from ACDelco

Manufactured to meet expectations for fit, form, and function

Mallory 209M Distributor Cap (Mal, 8Cyl) , Red

MALLORY
209M
0.00 X 0.00 X 0.00 Inches
0.15 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Universal design compatible with countless V8 applications

Delivers unrestricted spark energy flow, maximum energy transfer, and better performance

Eliminates arc through and crossfire

Stress relieved immediately after molding to ensure dimensional stability

Socket style clamp down design

Replaces the original equipment

Impact resistant

Brass contact terminal

Counter-balanced rotor

Socket style cap

Acdelco Gm Original Equipment D314A Ignition Distributor Cap , Black

ACDELCO
D314A
5.20 X 5.20 X 4.40 Inches
0.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Leading Manufacturer Of High-Quality Products

International Renown For Our Diverse Range Of Award-Winning Products

Fully Equipped With State-Of-The-Art Technology

All Products Have Been Designed With The Professional In Mind

Constantly Modernizing Our Powerful Devices To Meet The Demands Of The Modern User

Acdelco Professional D338X Ignition Distributor Cap , Black

ACDELCO
D338X
6.50 X 4.20 X 6.50 Inches
0.70 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

have metal inserts designed to provide the best possible fit to ensure maximum conductivity between the distributor towers and spark plug wires

easy-to-read locator keys on caps make proper installation simple

equipped with a full anti-arc barrier to reduce the possibility of secondary voltage arcs that can cause an engine to misfire

Fit type: Vehicle Specific

Mallory Cap, Distributor, Mal Marine

MALLORY
209D
0.00 X 0.00 X 0.00 Inches
0.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Autoplicity ✅ 9.71

Features

Delivers unrestricted spark energy flow

Maximum energy transfer and better performance

Screw down design

Replaces the original equipment

Impact resistant

Fit type: Vehicle Specific

#TOP11
Best For Msd

Msd Connector Kit For Msd Gm Hei Dist. Cap

MSD
8194
8.00 X 6.00 X 1.50 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
AsaPerformance direct 9.44

Features

Molded for high quality materials

Quality MSD components

Provides quality performance

Easy installation

Durable and long lasting

Acdelco - Ignition Distri (B) (D426R)

ACDELCO
D426R
3.40 X 3.40 X 3.00 Inches
0.10 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

leading manufacturer of high-quality products

international renown for our diverse range of award-winning products

fully equipped with state-of-the-art technology

all products have been designed with the professional in mind

constantly modernizing our powerful devices to meet the demands of the modern user

Fit type: Vehicle Specific

Mallory Cap, Distributor, 8Cyl Screw Down Red

MALLORY
208M
0.00 X 0.00 X 0.00 Inches
0.60 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
LowPricedAutoParts 7.86

Features

Developed specifically for 32 and 42 Series Mallory distributors

Male HEI style screw down design

Delivers unrestricted spark energy flow, maximum energy transfer, and better performance

Eliminates arc through and crossfire

Stress relieved immediately after molding to ensure dimensional stability

Fit type: Vehicle Specific

Acdelco E343A Distributor Cap

ACDELCO
E343A
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Sonoran Desert Auto Parts LLC 9.84

Features

Engineered to high standards

Assured high quality and dependability

Tested under extreme conditions

Ensures maximum conductivity

Includes metal inserts

Accel 120123 Distributor Cap - Female - Socket Style - Tan

ACCEL
120123
4.20 X 4.10 X 3.50 Inches
0.04 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Trends Auto 9.83

Features

Brass inserts provide for high spark energy flow

Heavy duty for maximum energy transfer

Acdelco C314 Distributor Cap

ACDELCO
C314
16.00 X 14.00 X 7.00 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
H & S Industries 6.32

Features

Have metal inserts designed to provide the best possible fit to ensure maximum conductivity between the distributor towers and spark plug wires

Easy-to-read locator keys on caps make proper installation simple

Equipped with a full anti-arc barrier to reduce the possibility of secondary voltage arcs that can cause an engine to misfire

Acdelco Professional D339X Ignition Distributor Cap

ACDELCO
D339X
5.30 X 4.50 X 4.00 Inches
0.51 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

have metal inserts designed to provide the best possible fit to ensure maximum conductivity between the distributor towers and spark plug wires

easy-to-read locator keys on caps make proper installation simple

equipped with a full anti-arc barrier to reduce the possibility of secondary voltage arcs that can cause an engine to misfire

Fit type: Vehicle Specific

#TOP18

Standard Motor Products Jh67X Ignition Cap

STANDARD MOTOR PRODUCTS
JH67X
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Newparts 9.54

Features

Top Quality Auto Part

#TOP19

Standard Motor Products Ch408X Ignition Cap

STANDARD MOTOR PRODUCTS
CH408X
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Item Package Dimension: 4.17L x 4.08W x 3.47H inches

Item Package Weight - 0.233995 Pounds

Item Package Quantity - 1

Product Type - ENGINE COMPONENT CAP

#TOP20

Standard Motor Products Fd151X Ignition Cap

STANDARD MOTOR PRODUCTS
FD151X
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Monterey Auto parts 5.04

Features

Item Package Dimension: 6.599999993268L x 5.399999994492W x 4.599999995308H inches

Item Package Weight - 0.6 Pounds

Item Package Quantity - 1

Product Type - ENGINE COMPONENT CAP

Acdelco F300Z Distributor Cap

ACDELCO
F300Z
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
B & G AUTO PARTS 9.68

Features

Engineered to high standards

Assured high quality and dependability

Tested under extreme conditions

Ensures maximum conductivity

Includes metal inserts

Top 10 car distributor caps Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Acdelco 13
Mallory 3
Standard Motor Products 3
Accel 1
Msd 1

Top 10 car distributor caps Brands Pie Chart


We've carried out a comprehensive analysis of 4,498 reviews on car distributor caps, using our selection criteria to identify the best options in the automotive replacement parts. Our findings reveal that most customers typically select car distributor caps priced around $26.35, with top brands including mas, pertronix, dweekiy, qiilu, a-team performance, thebigdeals, mallory, gskmotor and acouto and scitoo

Our team of expert editors reviewed these high-quality items and handpicked the top 21 car distributor caps for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the automotive replacement parts category. These include king-auto-parts, amazon.com, dweekiy d1, qiilu, southwest performance parts, autoline, fircar store and soros and autoplicity ✅ .

We are dedicated to assisting our users in finding the right caps Products based on their needs, saving them considerable time when choosing which car distributor caps to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.