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โก Ignite your drive with GM Genuine Parts โ where precision meets power!
The GM Genuine Parts D303A Ignition Distributor Cap is a factory-recommended replacement designed specifically for GM vehicles. Featuring metal inserts for optimal conductivity, easy-to-read locator keys for hassle-free installation, and a full anti-arc barrier to prevent engine misfires, this durable cap delivers the trusted performance and longevity expected from GM OE parts.








| ASIN | B000BYB1Y4 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #51,017 in Automotive ( See Top 100 in Automotive ) #2 in Automotive Replacement Distributor Caps |
| Brand | GM GENUINE PARTS |
| Brand Name | GM GENUINE PARTS |
| Closure Type | Twist-On |
| Color | Black |
| Compatible with Vehicle Type | Vehicle |
| Customer Reviews | 4.7 out of 5 stars 1,033 Reviews |
| Exterior Finish | Metal |
| Global Trade Identification Number | 40707773268450 |
| Item Dimensions | 6.7 x 5.7 x 4.2 inches |
| Item dimensions L x W x H | 6.7 x 5.7 x 4.2 inches |
| Manufacturer | ACDelco |
| Manufacturer Part Number | 19166099 |
| 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. |
| Material | Metal |
| Material Type | Metal |
| Model Number | D303A |
| OEM Equivalent Part Number | 19166099 |
| Style Name | Simple |
| UPC | 707773268452 |
| Unit Count | 1.0 Count |
| Vehicle Service Type | Vehicle |
A**R
OEM part thumbs up
Fit works perfectly
K**E
fits perfect
great product
J**Z
Good product ๐๐ผ
Fast delivery, Packaging and product arrived in good shape ๐๐ผ Fit perfect on my 93 Chevy C1500 with a 350. Two screws to take off and place new one right on. Vehicle started right up with no issues. Also replaced rotor, plug wires and pvc valve. All AC delco. Just make sure if you take a spark plug wire off you put it one by one on the new cap. I also used tape and a number on each one. Anybody can do this. YouTube helps if not.
E**E
Good deal !
It's been over a year and everything seems to be fine with this part.
D**E
a fair value for an AC Delco part.
I was pleased to find this distributor cap by AC Delco for my 1995 Chev 7.4 C-3500. Delco quality at a decent price and I didn't have to go to the store to buy it as I live 13 miles outside of town.
R**Y
Distributor cap & rotor button review.
I have not installed this unit yet, but if it's genuine GM, i'm sure it'll hold up for at least three years
D**Z
Son originales
Funciona bien le quedรณ exacto es lo que esperaba
P**R
Quality
Received item well packaged but 5 days late. Fit my gmc 5.7l v8 perfectly. Would recommend.
J**N
good fit
perfect fit
E**S
Excelente
Muy buen elemento lo instale en mi Cheyenne 1990 y funciona mucho mejor la recomiendo
G**E
Quality product
Fit well ,well built
S**I
Fits 1995 yukon just fine
Fits 1995 yukon just fine
J**S
Fitment was perfect on my 92 Suburban 2500
Ac/Delco rules. Fitment was perfect on my 92 Suburban 2500.
Trustpilot
2 weeks ago
1 day ago