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⚡ Ignite your engine’s potential with precision and durability!
The ACDelco Professional D448X Ignition Distributor Rotor is a premium aftermarket replacement designed for vehicle-specific fit and reliable ignition performance. Made from durable metal with a screw mount and threaded connectors, it ensures easy installation and long-lasting operation. Backed by a 24-month unlimited mileage warranty, this rotor is trusted by professionals and enthusiasts alike to keep engines running smoothly.








| ASIN | B000C9SOIE |
| Auto Part Position | Inside |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #56,691 in Automotive ( See Top 100 in Automotive ) #2 in Automotive Replacement Distributor Rotors #157 in Powersports Ignition Parts |
| Body Material | Metal |
| Brand | ACDelco |
| Brand Name | ACDelco |
| Compatible with Vehicle Type | Car, Truck |
| Connector Type | Threaded |
| Customer Reviews | 4.7 out of 5 stars 560 Reviews |
| Fit Type | Vehicle Specific Fit |
| Global Trade Identification Number | 00036666211078, 40036666211076 |
| Included Components | ACDelco - Ignition Distri (Slp) (D448X) |
| Inlet Connection Size | 4.2 inches |
| Inlet Connection Type | Threaded |
| Item Dimensions | 4.8 x 4.2 x 2 inches |
| Item Type Name | ACDelco - Ignition Distri (Slp) (D448X) |
| Item Weight | 3.04 ounces |
| Item dimensions L x W x H | 4.8 x 4.2 x 2 inches |
| Manufacturer | AC Delco |
| Manufacturer Part Number | 19110934 |
| Manufacturer Warranty Description | 24 Months / Unlimited Miles on parts sold on or after 04/01/18. (Parts Only) Please see ACDelco.com for more details. |
| Model Number | D448X |
| Mounting Type | Screw Mount |
| Number of Items | 1 |
| OEM Equivalent Part Number | 19110934 |
| Operation Mode | Automatic |
| Outlet Connection Size | 4.2 inches |
| Outlet Connection Type | Threaded |
| Part Interchange Info | D448X |
| Product Style | Classic |
| Specification Met | OE |
| Style | Classic |
| UPC | 036666211078 |
| Unit Count | 1 Count |
| Vehicle Service Type | Car, Truck |
G**.
Good quality
It runs on my 79 GMC truck. Rotor buttons have always been an issue so I stuck with the GM. Good quality and price.
G**N
Works and fit good
Works and fit good
C**2
Perfect fit
Very good quality, perfect fit, it works as described
R**E
Look like it will work
Haven't used it yet.
P**P
ACdelco
ACdelco. The name says it all. Prefect fit and function.
C**L
OEM Component. Great Value.
Very happy to find an ACDelco distributor rotor for my ‘76 Corvette Stingray. Also very pleased with the fact this component was made in Mexico (instead of China). A direct fit and, along with the ACDelco distributor cap I also ordered from Amazon, a great improvement as far as how well my Vette idles and performs in general. Very affordable for a great quality OEM component. As a side note, I received both items in good condition, even though they were shipped in a padded envelope. Glad they did not break. They should be shipped in a box!
S**N
Not installed yet.
OEM cap, quality seems good.
J**Y
hei gm rotary button
im satisfied i can put gm equipment back in my distributor
K**E
Great value
Genuine AC Delco part. Fit perfectly in my Trans Am!!
F**O
Perfect Fit
Worked as expected. No problems. todo excelente remplace la pieza que me daba problemas ACDelco D448X como siempre buena calidad.
L**C
À revoir
Produit qui ne correspond pas à la picèce d’origine. Emballage inadapté. Je déconseille cet achat!
D**L
Awesome
Great all original GM part. Works perfectly on my 77 with a 350.
P**C
Exactly as advertised.
Great product, works great, perfect for my 1986 Corvette.
Trustpilot
2 months ago
3 weeks ago