What are the symptoms of a bad ignition coil?

A failing ignition coil can cause several symptoms, including the “Check Engine Light” appears, engine misfires, difficulty starting the vehicle, reduced fuel economy and loss of power during acceleration.

How often should spark plugs be replaced?

Spark plug replacement intervals depend on the type of spark plug and the vehicle’s engine. Refer to your vehicle’s Owner’s Manual for more information.

How can I tell if my distributor cap and rotor need replacing?

Distributor caps and rotors typically need replacement when you notice engine misfires, difficult vehicle startup, reduced engine performance, corrosion or carbon tracking on the cap, or cracks or wear on the rotor.

What is the difference between glow plugs and spark plugs?

Glow plugs are used in diesel engines to preheat the combustion chamber for a cold start. Spark plugs are used in gasoline engines to ignite the air and fuel mixture.

Does the "Service Engine Soon" light tell me when my vehicle needs a tune-up?

No. The "Service Engine Soon" light comes on when the vehicle’s computer detects a minor malfunction, an engine emissions issue or that routine maintenance is needed. For more information, refer to your vehicle owner's manual.

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ACDelco Professional D308R Ignition Distributor Cap, Black

ACDelco Professional D308R Ignition Distributor Cap, Black

Product ID: 392837467

Details

Brand
ACDelco
Colour
Black
Material
Metal
Exterior finish
Painted
Item dimensions L x W x H
13.7 x 11.4 x

⚡Max conductivity metal inserts

🔧Easy-install locator keys

🛡️Anti-arc barrier for misfire prevention

€ 50.80

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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Description

⚡ Ignite your drive with flawless power and precision!

PRECISION METAL INSERTS - Ensures peak electrical conductivity for flawless ignition performance.
ADVANCED ANTI ARC BARRIER - Minimizes secondary voltage arcs to keep your engine running smoothly.
USER FRIENDLY LOCATOR KEYS - Simplifies installation, saving you time and hassle in the garage.
PREMIUM AFTERMARKET QUALITY - Engineered to meet OEM standards for fit, form, and function.
LIGHTWEIGHT DURABLE DESIGN - Compact 181g build with a sleek painted exterior for lasting reliability.

The ACDelco Professional D308R Ignition Distributor Cap is a high-quality aftermarket replacement designed to deliver optimal fit and maximum conductivity. Featuring metal inserts for superior electrical connection, easy-to-read locator keys for quick installation, and a full anti-arc barrier to prevent engine misfires, this durable and lightweight cap ensures reliable ignition performance for a smooth driving experience.

Specifications

ASIN	B000C9N6AK
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#166,252 in Automotive ( See Top 100 in Automotive ) #12 in Car Ignition Distributor Caps
Brand	ACDelco
Brand Name	ACDelco
Closure Type	Twist-On
Color	Black/White
Colour	Black/White
Compatible with Vehicle Type	Car, Truck
Country of Publication	Mexico
Customer Reviews	4.7 out of 5 stars 119 Reviews
Exterior Finish	Black
Exterior finish	Black
Global Trade Identification Number	00036666615623, 40036666615621
Included Components	ACDelco - Ignition Distri (B) (D308R)
Item Dimensions	13.7 x 11.4 x 10.9 centimeters
Item Type Name	ACDelco - Ignition Distri (B) (D308R)
Item Weight	181 g
Item dimensions L x W x H	13.7 x 11.4 x 10.9 centimeters
Manufacturer	ACDelco
Manufacturer Part Number	12363081
Material	Metal
Material Type	Metal
Model Number	D308R
Number of Items	1
OEM Equivalent Part Number	12363081
Style Name	Professional,Simple
UPC	036666615623
Unit Count	1 Count
Vehicle service type	Car, Truck

Reviews

S**R

Great product

Great part

15.10.2025

W**Y

tres satisfait

9.09.2018

D**E

Working good on my Buick

Works great for my Buick

5.07.2025

N**R

Just right

Replaced the original perfectly.

27.12.2025

R**N

Good Dist cap

5.05.2025

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€ 50.80

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Austria.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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