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⚡ Ignite your ride with precision power!
The ACDelco Gold D1321AX Distributor Vacuum Control is a premium aftermarket ignition component designed for precise vacuum advance control. Manufactured in Mexico to meet strict OEM standards, it ensures perfect fit and reliable performance, enhancing your vehicle’s ignition timing for smoother acceleration. Highly rated by users, it’s a trusted upgrade for professional and enthusiast drivers seeking dependable engine efficiency.




| ASIN | B000IZ0XKY |
| Best Sellers Rank | #589,803 in Automotive ( See Top 100 in Automotive ) #4 in Automotive Replacement Ignition Vacuum Advances |
| Brand | ACDelco |
| Customer Reviews | 4.6 4.6 out of 5 stars (80) |
| Date First Available | October 10, 2007 |
| Exterior | Machined |
| Item Weight | 4.8 ounces |
| Item model number | D1321AX |
| Manufacturer | ACDelco |
| Manufacturer Part Number | 19138053 |
| Model | Control Asm,Distr Vac |
| OEM Part Number | 19138053 |
| Product Dimensions | 6.2 x 3.2 x 3.1 inches |
P**S
Real good quality, no second guessing on this line of replacement parts
Works really good , just what I wanted and needed , exactly the same part and seems to be of really good quality
J**.
Fit great and works well
This advance unit fit my MSD HEI and works like the original unit
J**Y
super fast shipping
original gm equipment and the fastest regular shipping i have ever seen , good job
R**E
Genuine Delco parts are my favorites
I replaced a dead vacuum pot on my HEI distributor. The part fit perfectly of course and was fairly easy to install as I had the distributor out. There are some small screws that would be easy to drop and that happens everytime if I try this with it installed.
D**C
Operational as described.
Over the years. I've never had a problem with ACD parts. So far, I've been successful in assuming that the new parts will indeed work as described. Despite this, I vacuum tested I anyway. My old one lasted two decades--most bang for the buck. 'Nuff said. -dc
K**R
Worked on my 1978 Chevy C20
Worked well to replace the Standard Motor Products version that only lasted 6 mos and left me with a big vacuum leak.
J**N
Good quality parts
Quality part.
C**S
Works as intended
Fit my 1970 GTO with the 400 engine. Works and fits as intended
Trustpilot
3 weeks ago
4 days ago