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🔩 Upgrade your ride with precision power — don’t let vacuum failure slow you down!
The Dorman 904-861 Vacuum Pump is a high-quality, vehicle-specific replacement part designed to restore the vacuum-operated functions of select Cadillac, Chevrolet, and GMC models (2015-2019). Made from durable stainless steel and tested for exact OE fit, it ensures reliable performance and longevity. Backed by over a century of Dorman’s automotive expertise, this pump comes complete with all necessary installation components and a limited lifetime warranty.
| ASIN | B085HFQ1HB |
| Auto Part Position | Front Left |
| Best Sellers Rank | #60,091 in Automotive ( See Top 100 in Automotive ) #23 in Air Conditioning Vacuum Pumps |
| Body Material | Stainless Steel |
| Brand Name | Dorman |
| Compatible with Vehicle Type | Car, Truck |
| Connector Type | Barb |
| Customer Reviews | 4.4 4.4 out of 5 stars (87) |
| Fit Type | Vehicle Specific Fit |
| Gas Type | Gasoline |
| Global Trade Identification Number | 00889245335098 |
| Included Components | Pump Assembly, Gasket, Mounting Hardware |
| Inlet Connection Size | 0.5 Inches |
| Inlet Connection Type | Hose Barb |
| Item Dimensions | 8 x 7.9 x 9.1 inches |
| Item Type Name | Vacuum Pump for Select Cadillac / Chevrolet / GMC Models |
| Item Weight | 16 ounces |
| Manufacturer | Dorman Products |
| Manufacturer Part Number | 904-861 |
| Manufacturer Warranty Description | Limited Lifetime |
| Material Type | Stainless Steel |
| Mounting Type | Front Mount |
| Operation Mode | Mechanical |
| Outlet Connection Size | 0.13 Inches |
| Outlet Connection Type | Barb |
| Product Grade | Replacement Part |
| Product Style | Gerotor |
| Specification Met | OE |
| UPC | 889245335098 |
B**R
So far so good
Perfect replacement for OEM unit. Removal of old unit is not too bad. Installation of replacement is kind of tight, some blind working areas. But the new unit fits without issue.
A**U
Pump
Ok
C**G
Works great
Cheaper than oem and works great in our 2015 silverado
M**E
Leaks!!
This part is defective, it leaks oil outside of the black sealed end!! Buy the oem version and save yourself doing it twice
J**R
Perfect fit!
Fit my 2017 4wd perfectly! A challenging job for sure, but this is an OEM replacement. Problem solved! Resist the urge to save money. You usually get exactly what you paid for. Recommend highly!
J**E
thanks
easy installation
R**.
Vacuum Pump
Customers old unit that came with truck went out. Works good as new with replacement.
I**A
GO OEM
QUITE A BIT OF LABOR INVOLVED TO INSTALL IT TO FIND OUT THE PULY ISNT CENTERED IT WOBBLES
M**E
Excelente
Trustpilot
2 days ago
1 week ago