12 best automotive replacement distributor caps
Automotive replacement distributor caps are key components in the ignition system of internal combustion engines. They play a crucial role in distributing high-voltage electrical currents from the ignition coil to the spark plugs in the correct firing order.Here are some important points related to automotive replacement distributor caps:
Function:
- The distributor cap is part of the distributor assembly and is mounted on top of it. Its primary function is to distribute the high-voltage electrical charge generated by the ignition coil to the individual spark plugs in the correct sequence, ensuring proper combustion in the engine's cylinders.
Material:
- Replacement distributor caps are typically made from durable and heat-resistant materials, such as plastic or phenolic resin. These materials can withstand the high temperatures generated by the engine.
Contacts:
- Inside the distributor cap, there are a series of contacts or terminals corresponding to each spark plug. When the rotor (located beneath the distributor cap) spins, it makes contact with these terminals, sending electrical energy to the spark plugs one at a time.
Rotor:
- The distributor cap works in conjunction with a rotor, which is a rotating arm that makes contact with the distributor cap's terminals. The rotor directs the electrical current to the appropriate spark plug wire as it turns.
Maintenance:
- Over time, distributor caps can wear out or develop cracks, leading to electrical arcing or misfires. Regular maintenance and inspection of the distributor cap and rotor are essential to ensure reliable ignition system performance.
Replacement Interval:
- The replacement interval for distributor caps can vary depending on the vehicle's make and model, as well as driving conditions. Some manufacturers recommend replacement every 30,000 to 50,000 miles or as part of a scheduled tune-up.
Symptoms of Wear or Failure:
- Common symptoms of a worn or failing distributor cap include engine misfires, poor acceleration, rough idling, and difficulty starting the engine. These issues can be indicative of problems with the ignition system.
Aftermarket Options:
- Automotive replacement distributor caps are available as aftermarket parts, and they come in various brands and designs. It's important to choose a replacement cap that is compatible with your vehicle's make and model.
Professional Installation:
- Replacing a distributor cap typically requires basic mechanical skills and tools. However, if you are not experienced in working on automotive ignition systems, it's advisable to have a professional mechanic perform the replacement to ensure it is done correctly.
In summary, automotive replacement distributor caps are vital ignition components responsible for distributing electrical energy to the spark plugs in the correct firing order. Regular inspection and maintenance of these caps are essential to ensure the reliable operation of the engine's ignition system and overall vehicle performance.
Below you can find our editor's choice of the best automotive replacement distributor caps on the market
ACDelco D328A GM Original Equipment Ignition Distributor Cap
ACDelco
Product description
An ACDelco GM Original Equipment Distributor Cap is a GM-recommended replacement for your vehicle’s original component. It covers the top of the distributor and provides half of the rotary switch (distributor rotor). This original equipment distributor cap has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
- 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
User questions & answers
| Question: | does this come with scews |
| Answer: | unknown |
| Question: | Are this terminals brass or aluminum thanks |
| Answer: | I don't have the extender, but I AM an engineer. The HDMI remote is IR, so I'm gonna say YES! |
| Question: | Hello does the rotor come with this cap |
| Answer: | Hello, Yes, above the VGA input there are digital outputs(1 coaxial and 1 toslink). If you have any other questions, please contact one of our support team associates: http://www.jtechdigital.com/contacts Qousey J-Tech Digital Support Team 1-888-610-2818 [email protected] |
| Question: | Does it come with screws |
| Answer: | only manual |
Product features
About Us
ACDelco is the premier supplier of GM Original Equipment (OE) automotive replacement parts, as well as a trusted provider of premium aftermarket parts for most other makes and models.
ACDelco provides high-quality parts for all major vehicle systems, as well as off-road, marine and industrial equipment. Our product portfolio includes maintenance parts such as car batteries, spark plugs, oil filters, air filters, wiper blades and brakes, as well as repair parts such as alternators, radiators, chassis and heating/cooling components.
Motorcraft DH434 Distributor Cap
Motorcraft
Product description
Motorcraft Distributor Caps are designed and tested to meet OE specifications for durability and reliability under extreme conditions. These capare molded from high density phenolic and polyester compounds for maximum strength and rigidity. They provide solid positioning and prevent dirt and moisture from entering the distributor.
- Molded from high density phenolic or polyester compounds
- Provides maximum strength, dimensional stability and electrical insulating properties
- Prevents dirt and moisture from entering the distributors
- Features integrally molded metal contact inserts
- Resists corrosion and abrasion
User questions & answers
| Question: | Fill this fit a 1995 Ford f |
| Answer: | can't remember |
Standard Motor Products JH240T Distributor Cap
Standard Motor Products
Product description
Distributor Cap
- Country Of Origin : China
- The Package Height Of The Product Is 6.408 Inches
- The Package Length Of The Product Is 6.333 Inches
- The Package Width Of The Product Is 6.938 Inches
ACDelco D465 Professional Ignition Distributor Rotor
ACDelco
Product description
An ACDelco Professional, premium aftermarket Distributor Rotor is the high quality replacement ideal for many vehicles on the road today. It is located inside the distributor on the end of the distributor shaft and provides half of the rotary switch (distributor cap). This premium aftermarket replacement distributor rotor is manufactured to meet your expectations for fit, form, and function.
- professional, premium aftermarket replacement
- provides the performance and dependability you expect from acdelco
- manufactured to meet expectations for fit, form, and function
- Fit type: Vehicle Specific
User questions & answers
| Question: | Is the terminal made of aluminum or brass? thanks |
| Answer: | Yes this is a good wiring kit for one sub. It's good 4 gauge wire |
| Question: | I have a 99 chevy tahoe 5.7 LT, will this rotor work |
| Answer: | Yes it's heavy duty 4 gauge |
| Question: | What is the gap from the rotor contact to the distributor cap contact? I thought they should make contact |
| Answer: | I would say it should be fine for you, I have it running power to my 1200 watt MTX amp running 2 12" mtx subs |
| Question: | Does it come with hardware (bolts/screws |
| Answer: | This is just to power the amp, #of channels depends on amp, includes no speaker wire, strictly to power amp. |
Product features
About Us
ACDelco is the premier supplier of GM Original Equipment (OE) automotive replacement parts, as well as a trusted provider of premium aftermarket parts for most other makes and models.
ACDelco provides high-quality parts for all major vehicle systems, as well as off-road, marine and industrial equipment. Our product portfolio includes maintenance parts such as car batteries, spark plugs, oil filters, air filters, wiper blades and brakes, as well as repair parts such as alternators, radiators, chassis and heating/cooling components.
10452457 10452458 Distributor Cap and Rotor Replacement for GMC Chevrolet Trucks V6 4.3L Vortec DR475 DR331 D465 D328A DR475T
- 【Replacement Distributor Cap and Rotor Kit】To ensure maximum firepower from your ignition with our replacement distributor cap and rotor kits. A key component to the traditional engine tune-up, distributor cap and rotor maintenance is essential to getting maximum spark from your ignition system. The distributor caps are stress-relieved immediately after molding to ensure dimensional stability.
- 【OEM Quality & High Performance】 Made of improved high-quality material, it is built to long lasting durability, 100% tested before shipping. Guaranteed Exact Fit replacement for PLUG & PLAY. Easy to adjust mechanical advance
- 【Reference Part Number】DR475, 10452458, 10452457, 10477311, 10493577, 3859019, 38590196, 8104524580, 8104773110, 8104935770, D319A, D321A, D328A
- 【Fitment/Compatibility】Gmc C1500 C2500 K1500-K3500, Gmc C3500 Savana, Gmc G15 G1500 G25 G2500 G35 G3500, Gmc Safari, Gmc Sierra Silverado, 1995-2005 Gmc Sonoma, Gmc Yukon, Oldsmobile Bravada, Cadillac Escalade, Chevrolet Astro, Chevrolet Avalanche, 1995-2005 Chevrolet Blazer, 1996-1998 Chevrolet C1500-C3500, K1500 K2500 K3500, 1996-2002 Chevrolet G10 G1500 G20 G2500 G30 G3500, 1996-1999 Chevrolet P30, 1995-2005 Chevrolet S10, 1999-2007 Chevrolet Silverado/Suburban, Tahoe
- 【LIFETIME WARRANTY】Order this 10452458 Distributor Cap and Rotor from Yikesai, we offer LIFETIME WARRANTY, true worry-free shopping experience. Any question, feel free to contact us
Omix-Ada 17244.05 Distributor Cap
Omix-Ada
Product description
This replacement distributor cap will replace the worn or cracked OE unit
- For 2.5L
- OE style
- Direct Fit
- Limited 5 Year Warranty
Omix-Ada 17244.11 Distributor Cap
Product description
This replacement distributor cap will replace the worn or cracked OE unit
- For 4.0L
- OE style
- Direct Fit
- Limited 5 Year Warranty
User questions & answers
| Question: | Will fit omix distributor |
| Answer: | Yes it comes with a 0 gage wire for positive and a 0 gage wire for negative. |
| Question: | Does this have a number one to tell you which side is which when installing |
| Answer: | Easily. Together those amps "might" put out 600w total. 4g will be sufficient |
uxcell 8406 Car Ignition Distributor Cap and Rotor Kit External Coil for Chevrolet Suburban C1500 C2500 C3500 for GMC K1500 Jimmy 8 Cylinder Engine DC 12V
uxcell
Product description
Distributor rotor is the high quality replacement ideal for many vehicles on the road today. It is located inside the distributor on the end of the distributor shaft and provides half of the rotary switch (distributor cap). This premium aftermarket replacement distributor rotor is manufactured to meet your expectations for fit, form, and function.
- Product Name: Distributor Cap and Rotor Kit; Material: Plastic,Metal; Package Content: 1 x Distributor Cap and Rotor Kit
- Good materials, offering the quality, reliability, and durability, which promote longer product life.
- Manufacturer Part Number: MSD 8406
- Fit for Chevrolet Suburban C1500 C2500 C3500 for GMC K1500 Jimmy 8 Cylinder Engine.
- A perfect aftermarket replacement.
Wells F988 Distributor Cap
Product description
The Wells Vehicle Electronics distributor cap receives high secondary current from the rotor and the coil; each ignition wire is connected to the cap and those wires complete the current path to the spark plug. When it is not replaced, the towers on the distributor cap will either oxidize or corrode, creating a high secondary resistance which can result in rotor and ICM (Ignition Control Module) failure, reduced mileage, CEL (Check Engine Light) illumination, catalytic converter failure or a failed emission test. Wells Vehicle Electronics distributor caps are designed to meet or exceed Original Equipment (OE) specifications in form, fit and function. Every component either matches or improves on the OE design to ensure fast, easy installation, superior performance and reliability.
- A distributor cap sends high secondary current from the rotor and coil to the spark plug
- OE equivalent materials, which promote longer product life
- Provides superior performance and reliability
- Fast and easy installation
ACDelco D329A GM Original Equipment Ignition Distributor Cap
ACDelco
Product description
An ACDelco GM Original Equipment Distributor Cap is a GM-recommended replacement for your vehicle’s original component. It covers the top of the distributor and provides half of the rotary switch (distributor rotor). This original equipment distributor cap has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. Distributor Cap Tower Quantity: 8
- 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
User questions & answers
| Question: | which one is for the 8.1 496 engine |
| Answer: | I highly doubt it. The amp I am using is 900 watts and I couldn't use this kit safely to power it. |
| Question: | what would cause my truck to go thru cap and rotors once or twice a year ??? 1998 gmc k1500 5.0 l sl z71 off road 4wd |
| Answer: | yes indeed |
| Question: | Will this fit a 7.4 99 chevy ck |
| Answer: | yes it will work |
| Question: | Will this fit a 1998 chevy silverado 1500 5.0 motor 3 door |
| Answer: | Yes |
Product features
About Us
ACDelco is the premier supplier of GM Original Equipment (OE) automotive replacement parts, as well as a trusted provider of premium aftermarket parts for most other makes and models.
ACDelco provides high-quality parts for all major vehicle systems, as well as off-road, marine and industrial equipment. Our product portfolio includes maintenance parts such as car batteries, spark plugs, oil filters, air filters, wiper blades and brakes, as well as repair parts such as alternators, radiators, chassis and heating/cooling components.
Formula Auto Parts DCS32 Distributor Cap
Formula Auto Parts
Product description
Please check the application before you place the order to make sure you get the right part. Feel free to contact us via Amazon Messaging with any application issues
brand_description
Formula Auto Parts
- This is good quality aftermarket product
- Formula Auto Parts to assure premium performance
- Package Dimensions: 5.08 x 4.96 x 4.45 inches
- Competitor JH129 C603 4859 JA972 5D1236
- Fit type: Vehicle Specific
Mopar 5142591AA Distributor Cap
Mopar
Product description
BRAKE HOSE
- Fit type: Vehicle Specific
- Package Dimensions: 10.922 H x 9.144 L x 9.652 W (centimeters)
- Country of Origin : United States
- Package Weight: 0.136 kilograms
User questions & answers
| Question: | Will this work on a 1998 5.9L Dodge Durango |
| Answer: | No it can't |
| Question: | Does this come with rotor? If not, what is the matching part |
| Answer: | Yes it can, mine was 1600 and it still works perfectly fine. |
| Question: | Does it come with rotor |
| Answer: | Yes Probably not going get you full power |
Latest Reviews
View all
Torin Jack Stands
- Updated: 06.02.2023
- Read reviews
Kiwi Boot Laces
- Updated: 22.07.2023
- Read reviews
Smoked Cheeses
- Updated: 23.02.2023
- Read reviews
Wrist Corsage For Mom To Be
- Updated: 24.03.2023
- Read reviews
Hand Percussion Agogo Bells
- Updated: 17.02.2023
- Read reviews